Data communication apparatus

Claim 2

A data communication apparatus comprising: a communication unit for transmitting data in a transmission mode by wireless communication and for receiving data in a reception mode by wireless communication, a memory for storing data, an input device for entering data and data processing information, and a processor for processing the data stored in the memory and for activating the communication unit to transmit data in the transmission mode, the processor in the transmission mode being able to add at least a part of the data stored in the memory to a packet of information to be transmitted, the packet of information including either no restrictive destination data or restrictive destination data indicative of only one destination; the processor in the reception mode executing a data receiving process to receive either a packet having no restrictive destination data or a packet having restrictive destination data indicative of a unique destination apparatus at which the processor resides; wherein the processor causes display of the data stored in the memory by the display unit, according to the processing information entered in the input device, and making the data including the displayed data to be transmitted from the communication unit, and wherein the processor selects the destination data, according to the input entered into the input device, from the data displayed by the display unit.

Claim 3

The data communication apparatus of claim 1 in which the processor is provided with a reception confirmation function which, in data transmission, instructs a destination apparatus to reply with a confirmation signal informing of completion of reception, and awaits the confirmation signal, and in data reception, replies with the confirmation signal after completion of data reception when so instructed.

Claim 4

The data communication apparatus of claim 1 in which the communication unit performs the wireless communication using a light signal.

Claim 5

A wireless data communications apparatus which operates in a transmission mode and a reception mode, the apparatus including: a processor; a display output device driven by the processor; a memory; a data input device for entering input information including user data, a type code indicative of transmission type, and a plurality of records of address information for a corresponding plurality of other wireless data communication apparatus, the address information including a plurality of fields the plurality of fields including owner name; the type code having a first value indicating whether a transmission is to be received by a plurality of the other wireless communication apparatus and a second value indicating that the transmission is to be received by only a single selected wireless communication apparatus identified as a selected recipient apparatus; wherein the memory stores the input information entered via the data input device including the plurality of records; means for designating the selected recipient apparatus; wherein, during the transmission mode, the processor prepares a packet of information for transmission, the packet of information including the user data, the type code, and, when the type code so requires, address information for the selected recipient apparatus, the packet not having address information if not required by the type code; a wireless transmitter for transmitting the packet during the transmission mode using electromagnetic energy; a wireless receiver for receiving a received packet transmitted by another apparatus during the reception mode; wherein the memory stores owner address information of the apparatus; the display output device displaying, during the reception mode, user data included in the received packet; wherein, during the reception mode, the processor decodes the received packet, determines the type code included in the received packet, and drives the output device to output the user data in the received packet in accordance with the type code included in the received packet; the processor requiring, during the reception mode, a match of the address information for the selected recipient apparatus and the owner address information in order to drive the output device if the type code so requires.

Claim 6

A wireless data communications apparatus which operates in a transmission mode and a reception mode, the apparatus including: a processor; a display output device driven by the processor; a memory; a data input device for entering input information including user data, a type code indicative of transmission type, and a plurality of records of address information for a corresponding plurality of other wireless data communication apparatus, the address information including a plurality of fields the plurality of fields including owner name; the type code having a first value indicating whether a transmission is to be received by a plurality of the other wireless communication apparatus and a second value indicating that the transmission is to be received by only a single selected wireless communication apparatus identified as a selected recipient apparatus; wherein the memory stores the input information entered via the data input device including the plurality of records; means for designating the selected recipient apparatus; wherein, during the transmission mode, the processor prepares a packet of information for transmission, the packet of information including the user data, the type code, and, when the type code so requires, address information for the selected recipient apparatus, the packet not having address information if not required by the type code; a wireless transmitter for transmitting the packet during the transmission mode using electromagnetic energy; a wireless receiver for receiving a received packet transmitted by another apparatus during the reception mode; wherein the memory stores owner address information of the apparatus; the display output device displaying, during the reception mode, user data included in the received packet; wherein, during the reception mode, the processor decodes the received packet, determines the type code included in the received packet, and drives the output device to output the user data in the received packet in accordance with the type code included in the received packet; the processor requiring, during the reception mode, a match of the address information for the selected recipient apparatus and the owner address information in order to drive the output device if the type code so requires.

Claim 7

The communications apparatus of claim 4, wherein the wireless transmission is optical transmission.

Claim 8

The communications apparatus of claim 4, wherein, if the type code so requires, upon reception of a packet, the processor prepares a confirmation message for transmission by the wireless transmitter.

Claim 9

Wireless data communications apparatus which operates in a transmission mode and a reception mode, the apparatus including: a processor; a display output device driven by the processor; a memory; a data input device for entering input information including user data, a type code indicative of transmission type, and a plurality of records of address information for a corresponding plurality of other wireless data communication apparatus; the type code having a first value indicating whether a transmission is to be received by a plurality of the other wireless communication apparatus and a second value indicating that the transmission is to be received by only a single selected wireless communication apparatus identified as a selected recipient apparatus; wherein the memory stores the input information entered via the data input device including the plurality of records; means for designating the selected recipient apparatus; wherein, during the transmission mode, the processor prepares a packet of information for transmission, the packet of information including the user data, the type code, and, when the type code so requires, address information for the selected recipient apparatus, the packet not having address information if not required by the type code; a wireless transmitter for transmitting the packet during the transmission mode using electromagnetic energy; a wireless receiver for receiving a received packet transmitted by another apparatus during the reception mode; wherein the memory stores owner address information of the apparatus; the display output device displaying, during the reception mode, user data included in the received packet; wherein, during the reception mode, the processor decodes the received packet, determines the type code included in the received packet, and drives the output device to output the user data in the received packet in accordance with the type code included in the received packet; the processor requiring, during the reception mode, a match of the address information for the selected recipient apparatus and the owner address information in order to drive the output device if the type code so requires; and wherein a first type code requires communication with a plurality of other wireless data communication apparatus, a second type code requires communication with a plurality of other wireless data communication apparatus and further requires return of a confirmation message; and a third type code requires communication with only wireless communication apparatus identified by the selected recipient apparatus.

Claim 10

Wireless data communications apparatus which operates in a transmission mode and a reception mode, the apparatus including: a processor; a display output device driven by the processor; a memory; a data input device for entering input information including user data, a type code indicative of transmission type, and a plurality of records of address information for a corresponding plurality of other wireless data communication apparatus; the type code having a first value indicating whether a transmission is to be received by a plurality of the other wireless communication apparatus and a second value indicating that the transmission is to be received by only a single selected wireless communication apparatus identified as a selected recipient apparatus; wherein the memory stores the input information entered via the data input device including the plurality of records; means for designating the selected recipient apparatus; wherein, during the transmission mode, the processor prepares a packet of information for transmission, the packet of information including the user data, the type code, and, when the type code so requires, address information for the selected recipient apparatus, the packet not having address information if not required by the type code; a wireless transmitter for transmitting the packet during the transmission mode using electromagnetic energy; a wireless receiver for receiving a received packet transmitted by another apparatus during the reception mode; wherein the memory stores owner address information of the apparatus; the display output device displaying, during the reception mode, user data included in the received packet; wherein, during the reception mode, the processor decodes the received packet, determines the type code included in the received packet, and drives the output device to output the user data in the received packet in accordance with the type code included in the received packet; the processor requiring, during the reception mode, a match of the address information for the selected recipient apparatus and the owner address information in order to drive the output device if the type code so requires; and wherein a first type code requires communication with a plurality of other wireless data communication apparatus, a second type code requires communication with a plurality of other wireless data communication apparatus and further requires return of a confirmation message; and a third type code requires communication with only wireless communication apparatus identified by the selected recipient apparatus.

Claim 11

The communications apparatus of claim 4, wherein, if the type code so requires, the after transmission of a packet the processor awaits receipt of a confirmation message, and wherein, if no confirmation message is received, the type code is modified and transmission of the packet is repeated.

Claim 12

The communications apparatus of claim 8, wherein, after transmission of a packet, the processor repetitively modifies the type code, retransmits the packet, and awaits receipt of a confirmation message, such repetitions occurring until the type code is modified to result in a predetermined termination quantity.

Claim 13

The communications apparatus of claim 9, wherein the type code is numerically stored, wherein modification of the type code is incrementation of the type code, and wherein modification of the type code absent receipt of the confirmation message occurs until the type code equals a predetermined termination number.

Claim 14

The communications apparatus of claim 4, wherein the display output device displays a menu by which the type code can be selected using the input device.

Claim 15

The communications apparatus of claim 4, wherein the display output device displays a menu by which a selected recipient apparatus is selected using the input device.

Claim 16

The communications apparatus of claim 4, wherein the display output device displays a menu by which a plurality of fields of the address information for a wireless data communication apparatus can be inputted using the input device.

Claim 17

A wireless data communications apparatus which operates in a transmission mode and a reception mode, the apparatus including: a processor; a display device driven by the processor to generate a plurality of displays including a plurality of menus, including a first menu for selecting a type code indicative of transmission type, a second menu for designating a selected recipient apparatus, and a third menu for entering/modifying address information for a selected recipient apparatus, the address information includes a plurality of fields, the plurality of fields including owner name, the type code indicating whether a transmission is to be received by a plurality of other wireless communication apparatus or instead only wireless communication apparatus identified by the selected recipient apparatus; a data input device for entering input information including: user data, the type code entered in response to the first menu, the selected recipient apparatus entered in response to the second menu, the address information entered in response to the third menu, a memory for storing the input information entered via the data input device; wherein, during the transmission mode, the processor prepares a packet of information for transmission, the packet of information including the user data, the type code, and, when the type code so requires, address information for the selected recipient apparatus, the packet not having address information if not required by the type code; a wireless transmitter for transmitting the packet during the transmission mode using electromagnetic energy; a wireless receiver for receiving a received packet transmitted by another apparatus during the reception mode; wherein the memory stores owner address information of the apparatus; the display device outputting, during the reception mode, user data included in the received packet as one of the plurality of displays; wherein, during the reception mode, the processor decodes the received packet, determines the type code included in the received packet, and drives the display device to output the user data in the received packet in accordance with the type code included in the received packet; the processor requiring, during the reception mode, a match of the address information for the selected recipient apparatus and the owner address information in order to drive the output device if the type code so requires.

Claim 18

A wireless data communications apparatus which operates in a transmission mode and a reception mode, the apparatus including: a processor; a display device driven by the processor to generate a plurality of displays including a plurality of menus, including a first menu for selecting a type code indicative of transmission type, a second menu for designating a selected recipient apparatus, and a third menu for entering/modifying address information for a selected recipient apparatus, the address information includes a plurality of fields, the plurality of fields including owner name, the type code indicating whether a transmission is to be received by a plurality of other wireless communication apparatus or instead only wireless communication apparatus identified by the selected recipient apparatus; a data input device for entering input information including: user data, the type code entered in response to the first menu, the selected recipient apparatus entered in response to the second menu, the address information entered in response to the third menu, a memory for storing the input information entered via the data input device; wherein, during the transmission mode, the processor prepares a packet of information for transmission, the packet of information including the user data, the type code, and, when the type code so requires, address information for the selected recipient apparatus, the packet not having address information if not required by the type code; a wireless transmitter for transmitting the packet during the transmission mode using electromagnetic energy; a wireless receiver for receiving a received packet transmitted by another apparatus during the reception mode; wherein the memory stores owner address information of the apparatus; the display device outputting, during the reception mode, user data included in the received packet as one of the plurality of displays; wherein, during the reception mode, the processor decodes the received packet, determines the type code included in the received packet, and drives the display device to output the user data in the received packet in accordance with the type code included in the received packet; the processor requiring, during the reception mode, a match of the address information for the selected recipient apparatus and the owner address information in order to drive the output device if the type code so requires.

Claim 19

The communications apparatus of claim 14, wherein the wireless transmission is optical transmission.

Claim 20

The communications apparatus of claim 14, wherein, if the type code so requires, upon reception of a packet, the processor prepares a confirmation message for transmission by the wireless transmitter.

Claim 21

A wireless data communications apparatus which operates in a transmission mode and a reception mode, the apparatus including: a processor: a display device driven by the processor to generate a plurality of displays including a plurality of menus, including a first menu for selecting a type code indicative of transmission type a second menu for designating a selected recipient apparatus, and a third menu for entering/modifying address information for a selected recipient apparatus, the type code indicating whether a transmission is to be received by a plurality of other wireless communication apparatus or instead only wireless communication apparatus identified by the selected recipient apparatus; a data input device for entering input information including: user data, the type code entered in response to the first menu, the selected recipient apparatus entered in response to the second menu, the address information entered in response to the third menu, a memory for storing the input information entered via the data input devise; wherein during the transmission mode, the processor prepares a packet of information for transmission, the packet of information including the user data, the type code, and, when the type code so requires, address information for the selected recipient apparatus, the packet not having address information if not required by the type code; a wireless transmitter for transmitting the packet during the transmission mode using electromagnetic energy; a wireless receiver for receiving a received packet transmitted by another apparatus during the reception mode; wherein the memory stores owner address information of the apparatus; the display device outputting, during the reception mode, user data included in the received packet as one of the plurality of displays; wherein, during the reception mode, the processor decodes the received packet, determines the type code included in the received packet, and drives the display device to output the user data in the received packet in accordance with the type code included in the received packets; the processor requiring, during the reception mode, a match of the address information for the selected recipient apparatus and the owner address information in order to drive the output device if the type code so requires; and wherein a first type code requires communication with a plurality of other wireless data communication apparatus, a second type code requires communication with a plurality of other wireless data communication apparatus and further requires return of a confirmation message; and a third type code requires communication with only wireless communication apparatus identified by the selected recipient apparatus.

Claim 22

A wireless data communications apparatus which operates in a transmission mode and a reception mode, the apparatus including: a processor: a display device driven by the processor to generate a plurality of displays including a plurality of menus, including a first menu for selecting a type code indicative of transmission type a second menu for designating a selected recipient apparatus, and a third menu for entering/modifying address information for a selected recipient apparatus, the type code indicating whether a transmission is to be received by a plurality of other wireless communication apparatus or instead only wireless communication apparatus identified by the selected recipient apparatus; a data input device for entering input information including: user data, the type code entered in response to the first menu, the selected recipient apparatus entered in response to the second menu, the address information entered in response to the third menu, a memory for storing the input information entered via the data input devise; wherein during the transmission mode, the processor prepares a packet of information for transmission, the packet of information including the user data, the type code, and, when the type code so requires, address information for the selected recipient apparatus, the packet not having address information if not required by the type code; a wireless transmitter for transmitting the packet during the transmission mode using electromagnetic energy; a wireless receiver for receiving a received packet transmitted by another apparatus during the reception mode; wherein the memory stores owner address information of the apparatus; the display device outputting, during the reception mode, user data included in the received packet as one of the plurality of displays; wherein, during the reception mode, the processor decodes the received packet, determines the type code included in the received packet, and drives the display device to output the user data in the received packet in accordance with the type code included in the received packets; the processor requiring, during the reception mode, a match of the address information for the selected recipient apparatus and the owner address information in order to drive the output device if the type code so requires; and wherein a first type code requires communication with a plurality of other wireless data communication apparatus, a second type code requires communication with a plurality of other wireless data communication apparatus and further requires return of a confirmation message; and a third type code requires communication with only wireless communication apparatus identified by the selected recipient apparatus.

Claim 23

The communications apparatus of claim 17, wherein, if the type code so requires, the after transmission of a packet the processor awaits receipt of a confirmation message, and wherein, if no confirmation message is received, the type code is modified and transmission of the packet is repeated.

Claim 24

The communications apparatus of claim 18, wherein, after transmission of a packet, the processor repetitively modifies the type code, retransmits the packet, and awaits receipt of a confirmation message; such repetititions occurring until the type code is modified to result in a predetermined termination quantity.

Claim 25

The communications apparatus of claim 19, wherein the type code is numerically stored, wherein modification of the type code is incrementation of the type code, and wherein modification of the type code absent receipt of the confirmation message occurs until the type code equals a predetermined termination number.

Claim 26

A wireless data communications apparatus which includes: a processor; a wireless receiver for receiving a packet of information; a memory for storing identifying information of the apparatus, the identifying information including a plurality of fields, the plurality of fields including owner name; and wherein the processor determines whether (1) a type code included in a received packet requires that the apparatus utilize the packet only if an address in the packet matches the identification information stored in the memory; and (2) whether the type code included in the received packet permits the apparatus to utilize the packet even if the packet does not include a memory address matching the identifying information stored in the memory.

Claim 27

A wireless data communications apparatus which includes: a processor; a wireless receiver for receiving a packet of information; a memory for storing identifying information of the apparatus, the identifying information including a plurality of fields, the plurality of fields including owner name; and wherein the processor determines whether (1) a type code included in a received packet requires that the apparatus utilize the packet only if an address in the packet matches the identification information stored in the memory; and (2) whether the type code included in the received packet permits the apparatus to utilize the packet even if the packet does not include a memory address matching the identifying information stored in the memory.

Claim 28

The communications apparatus of claim 21, wherein the wireless transmission is optical transmission.

Claim 29

The communications apparatus of claim 21, further comprising a wireless transmitter and wherein, if the type code so requires, upon reception of a packet, the processor prepares a confirmation message for transmission by the wireless transmitter.

Claim 30

A wireless data communications apparatus which operates in a transmission mode and a reception mode, the apparatus including: a processor, a display device driven by the processor to generate a plurality of menus, including: a first menu for selecting a type code indicative of transmission type, a second menu for designating a selected recipient apparatus, the type code indicating whether a transmission is to be received by a plurality of other wireless communication apparatus or instead only wireless communication apparatus identified by the selected recipient apparatus; a data input device for entering input information including: user data, the the code entered in response to the first menu, the selected recipient apparatus entered in response to the second menu, the address information entered in response to the third menu, a memory for storing the input information entered via the data input device; wherein, during the transmission mode, the processor prepares a packet of information for transmission, the packet of information including the user data, the type code, and, when the type code so requires, address information for the selected recipient apparatus, the packet not having address information if not required by the type code; a wireless transmitter for transmitting the packet during the transmission mode using electromagnetic energy; a wireless receiver for receiving a received packet transmitted by another apparatus during the reception mode; wherein the memory stores identifying information of the apparatus, the identifying information including a plurality of fields, the plurality of fields including owner name; the processing requiring, during the reception mode, a match of the address information for the selected recipient apparatus and the identifying information in order to utilize the packet if the type code so requires.

Claim 31

A wireless data communications apparatus which operates in a transmission mode and a reception mode, the apparatus including: a processor, a display device driven by the processor to generate a plurality of menus, including: a first menu for selecting a type code indicative of transmission type, a second menu for designating a selected recipient apparatus, the type code indicating whether a transmission is to be received by a plurality of other wireless communication apparatus or instead only wireless communication apparatus identified by the selected recipient apparatus; a data input device for entering input information including: user data, the the code entered in response to the first menu, the selected recipient apparatus entered in response to the second menu, the address information entered in response to the third menu, a memory for storing the input information entered via the data input device; wherein, during the transmission mode, the processor prepares a packet of information for transmission, the packet of information including the user data, the type code, and, when the type code so requires, address information for the selected recipient apparatus, the packet not having address information if not required by the type code; a wireless transmitter for transmitting the packet during the transmission mode using electromagnetic energy; a wireless receiver for receiving a received packet transmitted by another apparatus during the reception mode; wherein the memory stores identifying information of the apparatus, the identifying information including a plurality of fields, the plurality of fields including owner name; the processing requiring, during the reception mode, a match of the address information for the selected recipient apparatus and the identifying information in order to utilize the packet if the type code so requires.

Claim 32

The communications apparatus of claim 24, wherein the wireless transmission is optical transmission.

Claim 33

The communications apparatus of claim 24, wherein, if the type code so requires, upon reception of a packet, the processor prepares a confirmation message for transmission by the wireless transmitter.

Claim 34

A wireless data communications apparatus which operates in a transmission mode and a reception mode, the apparatus including: a processor, a display device driven by the processor to generate a plurality of menus, including: a first menu for selecting a type code indicative of transmission type, a second menu for designating a selected recipient apparatus, type code indicating whether a transmission is to be received by a plurality of other wireless communication apparatus or instead only wireless communication apparatus identified by the selected recipient apparatus; a data input device for entering input information including: user data, the type code entered in response to the first menu, the selected recipient apparatus entered in response to the second menu, the address information entered in response to the third menu, a memory for storing the input information entered via the data input device; wherein, during the transmission mode, the processor prepares a packet of information for transmission, the packet of information including the user data, the type code, and, when the type code so requires, address information for the selected recipient apparatus, the packet not having address information if not required by the type code; a wireless transmitter for transmitting the packet during the transmission mode using electromagnetic energy; a wireless receiver for receiving a received packet transmitted by another apparatus during the reception mode; wherein the memory stores identifying information of the apparatus; the processing requiring, during the reception mode, a match of the address information for the selected recipient apparatus and the identifying information in order to utilize the packet if the type code so requires, and a first type code requires communication with a plurality of other wireless data communication apparatus, a second type code requires communication with a plurality of other wireless data communication apparatus and further requires return of a confirmation message; and a third type code requires communication with only wireless communication apparatus identified by the selected recipient apparatus.

Claim 35

A wireless data communications apparatus which operates in a transmission mode and a reception mode, the apparatus including: a processor, a display device driven by the processor to generate a plurality of menus, including: a first menu for selecting a type code indicative of transmission type, a second menu for designating a selected recipient apparatus, type code indicating whether a transmission is to be received by a plurality of other wireless communication apparatus or instead only wireless communication apparatus identified by the selected recipient apparatus; a data input device for entering input information including: user data, the type code entered in response to the first menu, the selected recipient apparatus entered in response to the second menu, the address information entered in response to the third menu, a memory for storing the input information entered via the data input device; wherein, during the transmission mode, the processor prepares a packet of information for transmission, the packet of information including the user data, the type code, and, when the type code so requires, address information for the selected recipient apparatus, the packet not having address information if not required by the type code; a wireless transmitter for transmitting the packet during the transmission mode using electromagnetic energy; a wireless receiver for receiving a received packet transmitted by another apparatus during the reception mode; wherein the memory stores identifying information of the apparatus; the processing requiring, during the reception mode, a match of the address information for the selected recipient apparatus and the identifying information in order to utilize the packet if the type code so requires, and a first type code requires communication with a plurality of other wireless data communication apparatus, a second type code requires communication with a plurality of other wireless data communication apparatus and further requires return of a confirmation message; and a third type code requires communication with only wireless communication apparatus identified by the selected recipient apparatus.

Claim 36

The communications apparatus of claim 24, wherein, if the type code so requires, the after transmission of a packet the processor awaits receipt of a confirmation message, and wherein, if no confirmation message is received, the type code is modified and transmission of the packet is repeated.

Claim 37

The communications apparatus of claim 18, wherein, after transmission of a packet, the processor repetitively modifies the type code, retransmits the packet, and awaits receipt of a confirmation message, such repetitions occurring until the type code is modified to result in a predetermined termination quantity.

Claim 38

The communications apparatus of claim 19, wherein the type code is numerically stored, wherein modification of the type code is incrementation of the type code, and wherein modification of the type code absent receipt of the confixation message occurs until the the code equals a predetermined termination number.

Claim 39

The communications apparatus of claim 24, wherein the display device displays a menu by which the type code can be selected using the input device.

Claim 40

The communications apparatus of claim 24, wherein the display device displays a menu by which a selected recipient apparatus is selected using the input device.

Claim 41

The communications apparatus of claim 24, wherein the display device displays a menu by which a plurality of fields of the address information for a wireless data communication apparatus can be inputted using the input device.

Claim 42

The communications apparatus of claim 7, wherein the wireless transmission is optical transmission.

Claim 43

The communications apparatus of claim 7, wherein, if the type code so requires, upon reception of a packet, the processor prepares a confirmation message for transmission by the wireless transmitter.

Claim 44

The communications apparatus of claim 7, wherein, if the type code so requires, the after transmission of a packet the processor awaits receipt of a confirmation message, and wherein, if no confirmation message is received, the type code is modified and transmission of the packet is repeated.

Claim 45

The communications apparatus of claim 36, wherein, after transmission of a packet, the processor repetitively modifies the type code, retransmits the packet, and awaits receipt of a confirmation message, such repetitions occurring until the type code is modified to result in a predetermined termination quantity.

Claim 46

The communications apparatus of claim 37, wherein the type code is numerically stored, wherein modification of the type code is incrementation of the type code, and wherein modification of the type code absent receipt of the confirmation message occurs until the type code equals a predetermined termination number.

Claim 47

The communications apparatus of claim 7, wherein the output device comprises a display device driven by the processor, and wherein the display device displays a menu by which the type code can be selected using the input device.

Claim 48

The communications apparatus of claim 7, wherein the output device comprises a display device driven by the processor, and wherein the display device displays a menu by which a selected recipient apparatus is selected using the input device.

Claim 49

The communications apparatus of claim 7, wherein the output device comprises a display device driven by the processor, and wherein the display device displays a menu by which a plurality of fields of the address information for a wireless data communication apparatus can be inputted using the input device.

Claim 50

The communications apparatus of claim 17, wherein the wireless transmission is optical transmission.

Claim 51

The communications apparatus of claim 17, wherein, if the type code so requires, upon reception of a packet, the processor prepares a confirmation message for transmission by the wireless transmitter.

Claim 52

The communications apparatus of claim 27, wherein the wireless transmission is optical transmission.

Claim 53

The communications apparatus of claim 27, wherein, if the type code so requires, upon reception of a packet, the processor prepares a confirmation message for transmission by the wireless transmitter.

Claim 54

The communications apparatus of claim 27, wherein, if the type code so requires, after transmission of a packet the processor awaits receipt of a confirmation message, and wherein, if no confirmation message is received, the type code is modified and transmission of the packet is repeated.

Claim 55

The communications apparatus of claim 27, wherein the display device displays a menu by which the type code can be selected using the input device.

Claim 56

The communications apparatus of claim 27, wherein the display device displays a menu by which a selected recipient apparatus is selected using the input device.

Claim 57

The communications apparatus of claim 27, wherein the display device displays a menu by which a plurality of fields of the address information for a wireless data communication apparatus can be inputted using the input device.