A radio communication system

Claim 2

A radio communication system for making voice communication or data communication between two portable radio telephones (1) within a service area formed of a plurality of divided radio zones, comprising: relay means (3, 4) for making connection control of communication channels, and which includes a plurality of base stations (3) respectively placed in said radio zones and an exchange station (4) connected to each of said base stations (3), each of said base stations (3) having radio communication means for interchanging signals with portable radio telephones (1) in the radio zone under control of the corresponding base station, said radio communication means being responsive to a calling request from each of said portable radio telephones (1) to transmit to said exchange station (4) the address of the portable radio telephone of the opponent included in said calling request, while said exchange station (4) transmits an incoming call request to the portable radio telephone (1) having the address of the opponent, and thereby sets a free communication channel on which a communication signal received from the portable radio telephone (1) within its own radio zone is transmitted to said exchange station (4) and on which a communication signal received from said exchange station (4) is transmitted to the portable radio telephone (1) within said radio zone, said exchange station (4) having a table memory (411) for storing information concerning the relation between the channel to each base station (3) and the address of each portable radio terminal (1), thereby making connection of channels between the base stations (3) in accordance with the request from an arbitrary one of said base stations (3); and a central data processing unit (2) for processing data received from said exchange station (4), said central data processing unit (2) being connected to said exchange station (4) and having a central memory (202) for storing data received from said exchange station (4) and a central processor (201) for processing said data, said central data processing unit (2) being connected to said base stations (3) when said exchange station (4) receives data from an arbitrary one of said base stations (3); wherein each of said portable radio telephones (1) includes a radio communication circuit (101, 102, 103, 104, 105) for radio transmitting and receiving voice or data signals between the corresponding portable radio telephone (1) and said base station (3) which is assigned to the radio zone in which said corresponding radio telephone (1) is located, a receiver (126) for producing the voice signal from said radio communication circuit, a transmitter (127) for supplying the voice signal from a user to said radio communication circuit, data input means (117, 118) for specifying a voice communication mode for transmitting and receiving the voice signal to or from said base station (3) or a data communication mode for transmission or reception of the data signal, and inputting data in said data communication mode by the user, data output means (119, 120, 129, 160) for producing data in said data communication to the user, an inner memory for storing a program, and a terminal processor (111) which executes said program so that data inputted by said data input means is supplied in a format to said radio communication circuit and data from said radio communication circuit is supplied in a certain format to said data output means.

Claim 3

A radio communication system according to claim 1, wherein said portable radio telephone (1) includes a first memory (114-116) for adding a flag to data inputted by said data input means and storing said flag-added data as first data, and a second memory (113) for temporarily storing data to be transmitted to said base station (3) as second data, said terminal processor, during a predetermined period, reads said first data added with said flag from said first memory, stores it as said second data in said second memory, and eliminates the flag from said first data within said first memory after transmitting said second data to said base station.

Claim 4

A radio communication system according to claim 1, wherein said portable radio telephone (1) has a memory for adding a code indicative of permitting or inhibiting the transmissing of data to said data processing unit (2), to data inputted by said data input/output means and storing the code-added data, and said terminal processor (111) automatically transmits only the data with its code indicating the permission of transmitting data, to said base station (3) during a predetermined period.

Claim 5

A radio communication system according to claim 2, wherein said central data processing unit (2) controls said central memory to store said second data received through said relay means (3, 4) from said portable radio telephone, said central processor copies said second data and sends said copied data through said relay means back to said portable radio telephone, said terminal processor of said portable radio telephone compares said copied data and the second data of said second memory and transmits the result to said central data processing unit, and said central data processing unit eliminates said second data from said central memory if the result of the comparison reaches disagreement.

Claim 6

A radio communication system according to claim 4, wherein said portable radio telephone (1) when said result of the comparison reaches disagreement, eleminates said second data or again transmits said second data to said data processing unit (2).

Claim 7

A radio communication system according to claim 1, wherein said central processor of said central data processing unit (2) processes the data stored in said central memory (202) in accordance with a request signal received through said relay means (4, 3) from said portable radio telephone (1) in said data communication mode, and transmits the result of said processing to the portable radio telephone specified by said request signal.

Claim 8

A radio communication system according to claim 1, wherein said terminal processor (111) of said portable radio telephone (1) has the function to transmit data including a pass word inputted by said data input means, to said base station, and said central processor (201) of said central data processing unit (2) eliminates said data from said central memory when the data received through said relay means from an arbitrary one of said portable radio telephones does not include said pass word.

Claim 9

A radio communication system according to claim 1, wherein said portable radio telephone (1) has a memory for storing data inputted by said data input means (117, 118), said terminal processor (111) transmits information including said data and the address on said memory through said relay means to said central data processing unit (2), and said central processor (201) of said central data processing unit (2) controls said central memory to store the data included in said information as first data in association with said address, reads, during each predetermined period, the data specified by said address as second data through said relay means (4, 3) from said portable radio telephone (1), compares said first data and said second data, and updates said first data on said central memory into said second data in accordance with the result of the comparison.

Claim 10

A radio communication system according to claim 1, wherein said portable radio telephone (1) has a clock (112) for producing the present time, and a memory for storing the data inputted from said data input means, and said terminal processor (111) transmits information including said data, the address at which said data is stored in the memory, and a time at which said data is produced, through said relay means to said central data processing unit (2), said central processor (201) of said central data processing unit (2) controls said central memory (202) to store the data included in said information as first data in association with said address and said data production time, reads, during each predetermined period, the data specified by said address from said memory of said portable radio telephone (1) through said relay means as second data, compares the production time of said first data with that of said second data, and permits said central memory to store data of newer production time.

Claim 11

A radio communication system according to claim 1, wherein said portable radio telephone (1) has timer means (112) for generating the present time and a date, a schedule memory (116) for storing schedule information inputted from said data input means (118, 117), and ringing means for generating a ringing tone by which the user is notified of having received an incoming call signal from said base station, said terminal processor (111) controls said ringing means in accordance with said schedule information, and the present time and date generated from said timer means when said terminal processor (111) receives in said voice communication mode the incoming call signal from said base station (3) which is assigned to the radio zone in which said portable radio telephone (1) is located.

Claim 12

A radio communication system according to claim 10, wherein said portable radio telephone has a memory for storing the relation between the address of each base station and location information, and said terminal processor (111) controls said ringing means in accordance with said location information on said memory, said schedule information, and the present time and date generated from said timer (112) which are related with the address of said base station (3) included in said incoming call signal from said base station.

Claim 13

A radio communication system according to claim 10, wherein said portable radio telephone (1) has a memory for storing the relation between the address of each base station and location information and sets said schedule information in association with at least time data and location data, and said terminal processor (111) controls said ringing means to generate an alarm tone different from said ringing tone when the location information on said memory which associates with the address of said base station included in a control signal transmitted from the base station during each predetermined period is different from the location data included in said schedule information.

Claim 14

A radio communication system according to claim 10, wherein said terminal processor (111) of said portable radio telephone (1), when having received a predetermined incoming call request signal from said base station (3), actuates said ringing means irrespective of said schedule information and the present time and date generated from said timer means.

Claim 15

A portable radio telephone for a radio communication system for making voice communication or data communication between two portable radio telephone (1) within a service area formed of a plurality of divided radio zones, said radio communication system comprising: relay means (4, 3) for making connection control of communication channels, and which includes a plurality of base stations (3) respectively placed in said radio zones and an exchange station (4) connected to each of said base stations, each of said base stations having radio communication means (6, 303, 301, 302, 305) for interchanging signals with portable radio telephones (1) in the radio zone under control of the corresponding base station, said radio communication means being responsive to a calling request from each of said portable radio telephones (1) to transmit to said exchange station (4) the address of the portable radio telephone of the opponent included in said calling request, while said exchange station (4) transmits an incoming call request to the portable radio telephone having the address of the opponent,and thereby sets a free communication channel on which a communication signal received from the portable radio telephone within its own radio zone is transmitted to said exchange station (4) and on which a communication single received from said exchange station is transmitted to the portable radio telephone (1) within said radio zone, said exchange station (4) having a table memory (411) for storing information concerning the relation between the channel to each base station (3) and the address of each portable radio terminal (1), thereby making connection of channels between the base stations (3) in accordance with the request from an arbitrary one of said base stations; and a central data processing unit (2) for processing data received from said exchange station (4), said central data processing unit (2) being connected to said exchange station (4) and having a central memory (202) for storing data received from said exchange station and a central processor (201) for processing said data, said exchange station controlling said base stations and said central processing unit to be connected when said exchange station receives data from an arbitrary one of said base stations; said portable radio telephone comprising: a radio communication circuit (104, 103, 101, 102, 105) for radio transmitting and receiving voice or data signals between the corresponding portable radio telephone (1) and said base station (3) which is assigned to the radio zone in which said corresponding radio telephone is located; a receiver (126) for producing the voice signal from said radio communication circuit; a transmitter (127) for supplying the voice signal from a user to said radio communication circuit; data input means (117, 118) for specifying a voice communication mode for transmitting and receiving the voice signal to or from said base station or a data communication mode for transmission or reception of the data signal, and inputting data in said data communication mode by the user; data output means (119, 120) for producing data in said data communication to the user; an inner memory for storing a program; and a terminal processor (111) which executes said program so that data inputted by said data input means is supplied in a format to said radio communication circuit and data from said radio communication circuit is supplied in a certain format to said data output means.

Claim 16

A portable radio telephone for a radio communication system for making voice communication or data communication between two portable radio telephone (1) within a service area formed of a plurality of divided radio zones, said radio communication system comprising: relay means (4, 3) for making connection control of communication channels, and which includes a plurality of base stations (3) respectively placed in said radio zones and an exchange station (4) connected to each of said base stations, each of said base stations having radio communication means (6, 303, 301, 302, 305) for interchanging signals with portable radio telephones (1) in the radio zone under control of the corresponding base station, said radio communication means being responsive to a calling request from each of said portable radio telephones (1) to transmit to said exchange station (4) the address of the portable radio telephone of the opponent included in said calling request, while said exchange station (4) transmits an incoming call request to the portable radio telephone having the address of the opponent,and thereby sets a free communication channel on which a communication signal received from the portable radio telephone within its own radio zone is transmitted to said exchange station (4) and on which a communication single received from said exchange station is transmitted to the portable radio telephone (1) within said radio zone, said exchange station (4) having a table memory (411) for storing information concerning the relation between the channel to each base station (3) and the address of each portable radio terminal (1), thereby making connection of channels between the base stations (3) in accordance with the request from an arbitrary one of said base stations; and a central data processing unit (2) for processing data received from said exchange station (4), said central data processing unit (2) being connected to said exchange station (4) and having a central memory (202) for storing data received from said exchange station and a central processor (201) for processing said data, said exchange station controlling said base stations and said central processing unit to be connected when said exchange station receives data from an arbitrary one of said base stations; said portable radio telephone comprising: a radio communication circuit (104, 103, 101, 102, 105) for radio transmitting and receiving voice or data signals between the corresponding portable radio telephone (1) and said base station (3) which is assigned to the radio zone in which said corresponding radio telephone is located; a receiver (126) for producing the voice signal from said radio communication circuit; a transmitter (127) for supplying the voice signal from a user to said radio communication circuit; data input means (117, 118) for specifying a voice communication mode for transmitting and receiving the voice signal to or from said base station or a data communication mode for transmission or reception of the data signal, and inputting data in said data communication mode by the user; data output means (119, 120) for producing data in said data communication to the user; an inner memory for storing a program; and a terminal processor (111) which executes said program so that data inputted by said data input means is supplied in a format to said radio communication circuit and data from said radio communication circuit is supplied in a certain format to said data output means.

Claim 17

A portable radio telephone according to claim 14, wherein said portable radio telephone includes a first memory for adding a flag to data inputted by said data input means and storing said flag-added data as first data, and a second memory for temporarily (113) storing data to be transmitted to said base station as second data, said terminal processor, during each predetermined period, reads said first data added with said flag from said first memory, stores it as said second data in said second memory, and eliminates the flag from said first data within said first memory after transmitting said second data to said base station.

Claim 18

A portable radio telephone according to claim 14, wherein said portable radio telephone has a memory for adding a code indicative of permitting or inhibiting the transmissing of data to said data processing unit, to data inputted by said data input/output means and storing the code-added data, and said terminal processor (111) automatically transmits only the data with its ad­ded code indicating the permission of transmitting said data, to said base station with a predetermined period.

Claim 19

A portable radio telephone according to claim 15, wherein said central data processing unit (2) controls said central memory (202) to store said second data received through said relay means from said portable radio telephone (1), said central processor (201) copies said second data and sends said copied data through said relay means back to said portable radio telephone (1), said terminal processor (111) of said portable radio telephone compares said copied data and the second data of said second memory and transmits the result to said central data processing unit (2), and said central data processing unit eliminates said second data from said central memory if the result of the comparison reaches disagreement.

Claim 20

A portable radio telephone according to claim 17, wherein said portable radio telephone (1), when said result of the comparison reaches disagreement, elimi­nates said second data or again transmits said second data to said data processing unit (2).

Claim 21

A portable radio telephone according to claim 14, wherein said central processor (201) of said central data processing unit (2) processes the data stored in said central memory (202) in accordance with a request signal received through said relay means (3, 4) from said portable radio telephone in said data communication mode, and transmits the result of said processing to the portable radio telephone specified by said request signal.

Claim 22

A portable radio telephone according to claim 14, wherein said terminal processor (111) of said portable radio telephone (1) has the function to transmit data including a pass word inputted by said data input means, to said base station, and said central processor (201) of said central data processing unit (2) eliminates said data from said central memory when the data received through said relay means from an arbitrary one of said portable radio telephones (1) does not include said pass word.

Claim 23

A portable radio telephone according to claim 14, wherein said portable radio telephone has a memory for storing data inputted by said data input means (117, 118), said terminal processor (111) transmits information including said data and the address on said memory through said relay means to said central data processing unit, and said central data processing unit (2) controls said central memory (202) to store the data included in said information as first data in association with said address, reads, during each predetermined period, the data specified by said address as second data through said relay means from said portable radio telephone, compares said first data and said second data, and updates said first data on said central memory into said second data in accordance with the result of the comparison.

Claim 24

A portable radio telephone according to claim 14, wherein said portable radio telephone has a clock (112) for producing the present time, and a memory for storing the data inputted from said data input means, and said terminal processor (111) transmits information including said data, the address at which said data is stored in the memory, and a time at which said data is produced, through said relay means to said central data processing unit (2), said central processor (201) of said central data processing unit (2) controls said central memory (202) to store the data included in said information as first data in association with said address and said data production time, reads, during each predetermined period, the data specified by said address from said memory of said portable radio telephone (1) through said relay means as second data, compares the production time of said first data with that of said second data, and permits said central memory to store data of newer production time.

Claim 25

A portable radio telephone according to claim 14, wherein said portable radio telephone has timer means (112) for generating the present time and a date, a schedule memory (116) for storing schedule information inputted from said data input means, and ringing means for generating a ringing tone by which the user is notified of having received an incoming call signal from said base station, said terminal processor (111) controls said ringing means in accordance with said schedule information, and the present time and date generated from said timer means when said terminal processor (111) receives in said voice communication mode the incoming call signal from said base station (3) which is assigned to the radio zone in which said portable radio telephone is located.

Claim 26

A portable radio telephone according to claim 23, wherein said portable radio telephone has a memory for storing the relation between the address of each base station and location information, and said terminal processor (111) controls said ringing means in accordance with said location information on said memory, said schedule information, and the present time and date generated from said timer which are related with the address of said base station included in said incoming call signal from said base station.

Claim 27

A portable radio telephone according to claim 23, wherein said portable radio telephone has a memory for storing the relation between the address of each base station and location information and sets said schedule information in association with at least time data and location data, and said terminal processor (111) controls said ringing means to generate an alarm tone different from said ringing tone when the location information on said memory which associates with the address of said base station included in a control signal transmitted from the base station during each predetermined period is different from the location data included in said schedule information.

Claim 28

A portable radio telephone according to claim 23, wherein said terminal processor (111) of said portable radio telephone, when having received a predetermined incoming call request signal from said base station (3), actuates said ringing means irrespective of said schedule information and the present time and date generated from said timer means (112).

Claim 29

A radio communication system for making voice communication or data communication between two portable radio telephones (1) within a service area formed of a plurality of divided radio zones, comprising: a plurality of base stations (3) respectively placed in said radio zones; and an exchange station (4) connected to each of said base stations; each of said base stations (3) having radio communication means (6, 302, 301, 303, 305) for interchanging signals with portable radio telephones (1) in the radio zone under control of the corresponding base station, said radio communication means being responsive to a calling request from each of said portable radio telephones to transmit to said exchange station (4) the address of the portable radio telephone of the opponent included in said calling request, while said exchange station transmits an incoming call request to the portable radio telephone having the address of the opponent, and thereby sets a free communication channel on which a communication signal received from the portable radio telephone (1) within its own radio zone is transmitted to said exchange station (4) and on which a communication signal received from said exchange station is transmitted to the portable radio telephone within said radio zone, said exchange station having a table memory (411) for storing information concerning the relation between the channel to each base station (3) and the address of each portable radio terminal, thereby making connection of channels between the base stations in accordance with the request from an arbitrary one of said base stations; wherein each of said portable radio telephones (1) includes a radio communication circuit (101-105) for radio transmitting and receiving voice or data signals between the corresponding portion radio telephone (1) and said base station (3) which is assigned to the radio zone in which said corresponding radio telephone is located, a receiver (126) for producing the voice signal from said radio communication circuit, a transmitter (127) for supplying the voice signal from a user to said radio communication circuit, data input means for inputting data (117, 118), a schedule memory (116) for storing schedule information inputted from said data input means, timer means (112) for generating the present time and date, ringing means for generating a ringing tone for notifying the user of having received an incoming call signal from said base station, and a terminal processor (111) for actuating said ringing means in accordance with said schedule information and the present time and date generated from said timer means when having received an incoming call signal from the base station which is assigned to the radio zone including said portable radio telephone.

Claim 30

A radio communication system for making voice communication or data communication between two portable radio telephones (1) within a service area formed of a plurality of divided radio zones, comprising: a plurality of base stations (3) respectively placed in said radio zones; and an exchange station (4) connected to each of said base stations; each of said base stations (3) having radio communication means (6, 302, 301, 303, 305) for interchanging signals with portable radio telephones (1) in the radio zone under control of the corresponding base station, said radio communication means being responsive to a calling request from each of said portable radio telephones to transmit to said exchange station (4) the address of the portable radio telephone of the opponent included in said calling request, while said exchange station transmits an incoming call request to the portable radio telephone having the address of the opponent, and thereby sets a free communication channel on which a communication signal received from the portable radio telephone (1) within its own radio zone is transmitted to said exchange station (4) and on which a communication signal received from said exchange station is transmitted to the portable radio telephone within said radio zone, said exchange station having a table memory (411) for storing information concerning the relation between the channel to each base station (3) and the address of each portable radio terminal, thereby making connection of channels between the base stations in accordance with the request from an arbitrary one of said base stations; wherein each of said portable radio telephones (1) includes a radio communication circuit (101-105) for radio transmitting and receiving voice or data signals between the corresponding portion radio telephone (1) and said base station (3) which is assigned to the radio zone in which said corresponding radio telephone is located, a receiver (126) for producing the voice signal from said radio communication circuit, a transmitter (127) for supplying the voice signal from a user to said radio communication circuit, data input means for inputting data (117, 118), a schedule memory (116) for storing schedule information inputted from said data input means, timer means (112) for generating the present time and date, ringing means for generating a ringing tone for notifying the user of having received an incoming call signal from said base station, and a terminal processor (111) for actuating said ringing means in accordance with said schedule information and the present time and date generated from said timer means when having received an incoming call signal from the base station which is assigned to the radio zone including said portable radio telephone.

Claim 31

A portable radio telephone according to claim 27, wherein said portable radio telephone has a memory for storing the relation between the address of each base station and location information, and said terminal processor (111) controls said ringing means in accordance with the location information on said memory which information is concerned with the address of said base station which address is included in the incoming call signal from said base station (3), said schedule information, and the present time and date generated from said timer means (112).

Claim 32

A portable radio telephone according to claim 27, wherein said portable radio telephone has a memory for storing the relation between the address of each base station and location information, said schedule information being set so that at least time data and location data have a correlation, and said terminal processor (111) controls said ringing means to generate alarm sound different from said ringing tone when the location information of said memory which information has a correlation with the address of said base station included in a control signal transmitted from the base station during each predetermined period is different from the location data included in said schedule information.

Claim 33

A portable radio telephone according to claim 27, wherein said terminal processor (111) of said portable radio telephone (1), when having received a certain incoming call request signal from said base station (3), actuates said ringing means irrespective of said schedule information and the present time and date generated from said timer means.

Claim 34

A portable radio telephone for a radio communication system for making voice communication between two portable radio telephones (1) within a service area formed of a plurality of divided radio zones, said radio communication system including a plurality of base stations (3) placed in said radio zones, respectively, and an exchange station (4) connected to each of said base stations, each of said base stations having radio communication means (6, 301-­303, 305) for interchanging signals with portable radio telephones (1) in the radio zone under control of the corresponding base station (3), said radio communication means being responsive to a calling request from each of said portable radio telephones to transmit to said exchange station (4) the address of the portable radio telephone of the opponent included in said calling request, while said exchange station transmits an incoming call request to the portable radio telephone having the address of the opponent,and thereby sets a free communication channel on which a communication signal received from the portable radio telephone within its own radio zone is transmitted to said exchange station and on which a communication signal received from said exchange station is transmitted to the portable radio telephone within said radio zone, said exchange station having a table memory (411) for storing information concerning the relation between the channel to each base station and the address of each portable radio terminal, thereby making connection of channels between the base stations (3) in accordance with the request from an arbitrary one of said base stations, said portable radio telephone comprising: a radio communication circuit (101-105) for transmitting and receiving a voice signal on a radio wave from and to the base station (3) which is assigned to the radio zone in which said portable radio telephone is located; a receiver (126) for emanating sound of the voice signal derived from said radio communication circuit; a transmitter (127) for converting voice from the user into the voice signal which is transmitted to said radio communication circuit; data input means for inputting data (117, 118); a schedule memory (116) for storing schedule information inputted through said data input means; timer means (112) for generating the present time and date; ringing means for generating a ringing tone by which the user is notified of having received an incoming call signal from the base station; and a terminal processor (111) for actuating said ringing means in accordance with said schedule information and the present time and date generated from said timer means when having received the incoming call signal from the base station which is assigned to the radio zone in which said portable radio telephone is located.

Claim 35

A portable radio telephone for a radio communication system for making voice communication between two portable radio telephones (1) within a service area formed of a plurality of divided radio zones, said radio communication system including a plurality of base stations (3) placed in said radio zones, respectively, and an exchange station (4) connected to each of said base stations, each of said base stations having radio communication means (6, 301-­303, 305) for interchanging signals with portable radio telephones (1) in the radio zone under control of the corresponding base station (3), said radio communication means being responsive to a calling request from each of said portable radio telephones to transmit to said exchange station (4) the address of the portable radio telephone of the opponent included in said calling request, while said exchange station transmits an incoming call request to the portable radio telephone having the address of the opponent,and thereby sets a free communication channel on which a communication signal received from the portable radio telephone within its own radio zone is transmitted to said exchange station and on which a communication signal received from said exchange station is transmitted to the portable radio telephone within said radio zone, said exchange station having a table memory (411) for storing information concerning the relation between the channel to each base station and the address of each portable radio terminal, thereby making connection of channels between the base stations (3) in accordance with the request from an arbitrary one of said base stations, said portable radio telephone comprising: a radio communication circuit (101-105) for transmitting and receiving a voice signal on a radio wave from and to the base station (3) which is assigned to the radio zone in which said portable radio telephone is located; a receiver (126) for emanating sound of the voice signal derived from said radio communication circuit; a transmitter (127) for converting voice from the user into the voice signal which is transmitted to said radio communication circuit; data input means for inputting data (117, 118); a schedule memory (116) for storing schedule information inputted through said data input means; timer means (112) for generating the present time and date; ringing means for generating a ringing tone by which the user is notified of having received an incoming call signal from the base station; and a terminal processor (111) for actuating said ringing means in accordance with said schedule information and the present time and date generated from said timer means when having received the incoming call signal from the base station which is assigned to the radio zone in which said portable radio telephone is located.

Claim 36

A portable radio telephone according to claim 31 wherein said portable radio telephone (1) has a memory for recording the relation between the address of each base station and location information, and said terminal processor (111) controls said ringing means in accordance with the location information on said memory which information is associated with the address of said base station included in the incoming call signal from said base station, said schedule information, and the present time and date generated from said timer means.

Claim 37

A portable radio telephone according to claim 31, wherein said portable radio telephone has a memory for recording the relation between the address of each base station and location information, and sets said schedule information so that at least the time data and the location data are associated with each other, and said terminal processor (111) controls said ringing means to generate alarm sound different from said ringing tone when the location information of said memory which is associated with the address of said base station (3) included in the control signal transmitted from the base station during each certain period is different from the location data included in said schedule information.

Claim 38

A portable radio telephone according to claim 31, wherein said terminal processor (111) of said portable radio telephone actuates said ringing means irrespective of said schedule information and the present time and date generated from said timer means (112) when having received a predetermined incoming call request signal from said base station (3).