Combination of electronic apparatus and remote controller, remote controller for controlling electronic apparatus and method of remote-controlling electronic apparatus

Claim 2

A combination of an electronic apparatus and a remote controller for controlling the electronic apparatus, said remote controller comprising: a pad for designating coordinates by being touched by a user; encoding means for encoding designated coordinate information obtained from said pad; a switch operated by the user; and means for forming a control signal from the encoded coordinate information and operation information of said switch and for transmitting the control signal in a wireless manner to said electronic apparatus, said electronic apparatus comprising: receiving means for receiving the control signal from said remote controller; and control means for controlling said electronic apparatus, said control means displaying a cursor and an operation picture for operating said electronic apparatus on a display unit in accordance with the received control signal, in which said display unit is provided in or connected to said electronic apparatus and is not provided in said remote controller, wherein said user can control a plurality of operating functions of said electronic apparatus through the use of said switch and said pad of said remote controller.

Claim 3

A combination of an electronic apparatus and a remote controller according to claim 1, wherein the forming and transmitting means of said remote controller includes: modulation means for modulating a signal representing the encoded coordinate information and the operation information of said switch at a predetermined frequency; and infrared ray emitting means supplied with the modulated signal modulated from said modulation means.

Claim 4

A combination of an electronic apparatus and a remote controller according to claim 1, wherein said control means of said electronic apparatus includes means for calculating, on the basis of the received control signal, a position at which the cursor is to be displayed on the display unit.

Claim 5

A combination of an electronic apparatus and a remote controller according to claim 3, wherein said control means of said electronic apparatus further includes state change detection means for detecting a change in the state of said switch of said remote controller on the basis of the received control signal.

Claim 6

A combination of an electronic apparatus and a remote controller according to claim 4, wherein said state change detection means detects whether said switch is changed from the on state to the off state or from the off state to the on state.

Claim 7

A combination of an electronic apparatus and a remote controller according to claim 5, wherein said control means of said electronic apparatus further includes determination means for making determination as to whether the cursor is positioned in a preset area on said display unit.

Claim 8

A combination of an electronic apparatus and a remote controller according to claim 6, wherein said electronic apparatus comprises a television receiver.

Claim 9

A combination of an electronic apparatus and a remote controller according to claim 7, wherein said operation picture comprises a picture for an operation of changing a sound volume.

Claim 10

A combination of an electronic apparatus and a remote controller according to claim 7, wherein said operation picture comprises a picture for setting an audio mode.

Claim 11

A combination of an electronic apparatus and a remote controller according to claim 7, wherein said operation picture comprises a picture for selecting a video input.

Claim 12

A combination of an electronic apparatus and a remote controller according to claim 7, wherein said operation picture comprises a picture for performing image quality control.

Claim 13

A combination of an electronic apparatus and a remote controller according to claim 7, wherein said operation picture comprises a picture for performing sound tone control.

Claim 14

A remote controller for controlling an electronic apparatus, said remote controller comprising: a pad for designating coordinates by being touched by a user; encoding means for encoding designated coordinate information obtained from said pad; a switch operated by the user; and means for forming a control signal from the encoded coordinate information and operation information of said switch and for transmitting said control signal in a wireless manner to said electronic apparatus, wherein said user can control a plurality of operating functions of said electronic apparatus through the use of said switch and said pad of said remote controller.

Claim 15

A remote controller for controlling an electronic apparatus, said remote controller comprising: a pad for designating coordinates by being touched by a user; encoding means for encoding designated coordinate information obtained from said pad; a switch operated by the user; and means for forming a control signal from the encoded coordinate information and operation information of said switch and for transmitting said control signal in a wireless manner to said electronic apparatus, wherein said user can control a plurality of operating functions of said electronic apparatus through the use of said switch and said pad of said remote controller.

Claim 16

A remote controller according to claim 13, wherein the forming and transmitting means includes: modulation means for modulating a signal representing the encoded coordination information and the operation information of said switch at a predetermined frequency; and infrared ray emitting means supplied with the modulated signal from said modulation means.

Claim 17

A remote controller according to claim 14, wherein said encoding means forms an asynchronous serial signal from the encoded information, and supplies the asynchronous serial signal to said modulation means.

Claim 20

A method according to claim 16, further comprising the steps of: modulating a signal representing the encoded coordinate information and the switch operation information at a predetermined frequency; and supplying the modulated signal to infrared ray emitting means.

Claim 21

A method according to claim 17, further comprising the step of calculating, on the basis of the received control signal, a position at which the cursor is to be displayed on the display unit.

Claim 22

A method according to claim 18, further comprising the step of detecting a change in the state of the switch of the remote controller on the basis of the received control signal.

Claim 23

A method according to claim 19, further comprising the step of determining whether the cursor is positioned in a preset area on the display unit.

Claim 24

A combination of an electronic apparatus and a remote controller for controlling the electronic apparatus, said remote controller comprising: a pad device for generating a location signal in response to being touched by an operator, in which said location signal corresponds to a location on a display unit provided in said electronic apparatus; a single switch operable by the operator; and means for forming a control signal from said location signal and operation information of said switch and for transmitting said control signal in a wireless manner to said electronic apparatus, said electronic apparatus comprising: receiving means for receiving said control signal from said remote controller; and control means for controlling said electronic apparatus, said control means displaying a cursor and an operation picture for operating said electronic apparatus on said display unit in accordance with the received control signal, in which said display unit is provided in or connected to said electronic apparatus and is not provided in said remote controller, wherein said operator can control a plurality of operating functions of said electronic apparatus through the use of said single switch and said pad of said remote controller.

Claim 25

A combination of an electronic apparatus and a remote controller for controlling the electronic apparatus, said remote controller comprising: a pad device for generating a location signal in response to being touched by an operator, in which said location signal corresponds to a location on a display unit provided in said electronic apparatus; a single switch operable by the operator; and means for forming a control signal from said location signal and operation information of said switch and for transmitting said control signal in a wireless manner to said electronic apparatus, said electronic apparatus comprising: receiving means for receiving said control signal from said remote controller; and control means for controlling said electronic apparatus, said control means displaying a cursor and an operation picture for operating said electronic apparatus on said display unit in accordance with the received control signal, in which said display unit is provided in or connected to said electronic apparatus and is not provided in said remote controller, wherein said operator can control a plurality of operating functions of said electronic apparatus through the use of said single switch and said pad of said remote controller.