Remote control device, apparatus control device, and remote control method

1. A remote control device which remotely controls a plurality of electronic apparatuses connected to an apparatus control device, the remote control device comprising:

a key-inputting unit in which an input operation for instructing an infrared remote control operation of at least one of the electronic apparatuses to be performed is inputted;

a storage unit that stores a first table in which port numbers assigned to ports of the apparatus control device and the electronic apparatuses connected to the corresponding port are associated, and stores a second table in which the electronic apparatuses and infrared codes for controlling the corresponding electronic apparatuses are associated; and

a control unit which registers port number information in the first table and type information of the at least one of the electronic apparatuses to be controlled in the second table, identifies content of the input operation based on the set port number information and the set type information, determines if the content of the input operation is valid, sends control data necessary for an infrared control operation of at least one of the electronic apparatuses corresponding to the input operation when the content of the input operation is valid, which control data includes a port number associated with the selected electronic apparatus in the first table and the infrared code for the selected electronic apparatus, and receives a response signal from the apparatus control device indicating that the input operation for instructing an infrared remote control operation of at least one of the electronic apparatuses has been successfully received by the apparatus control device,

wherein the control unit does not send subsequent control data for subsequent infrared control operations until the response signal indicating that the input operation has been successfully received by the apparatus control device is received by the control unit.

2. The remote control device according to claim 1 , wherein the control data necessary for the infrared control operation is sent from the remote control device to the apparatus control device directly or through a communication network.

3. The remote control device according to claim 1 , further comprising:

a cradle which holds the remote control device, wherein the control data necessary for the infrared control operation is sent to the apparatus control device through the cradle.

4. A remote control method for remotely controlling a plurality of electronic apparatuses connected to an apparatus control device using a remote control device, the remote control method comprising:

registering set type information and port number of the electronic apparatus to be controlled in the remote control device;

key-inputting an operation in the remote control device;

causing the remote control device to determine if content of the key-inputted operation is valid, the content of the key-inputted operation is based on the set type information of the port number;

causing the remote control device to send, to the apparatus control device, control data necessary for a first infrared control operation corresponding to the key-inputted operation if the content of the key-inputted operation is valid, which control data includes a port number, assigned to a port of the apparatus control device, associated with a selected electronic apparatus and an infrared code for controlling the selected apparatus control device;

causing the apparatus control device to receive the control data necessary for the first infrared control operation sent from the remote control device;

causing the apparatus control device to determine if the control data necessary for the first infrared control operation is valid;

causing the apparatus control device to generate an infrared signal based on the infrared code included in the received control data necessary for the first infrared control operation if the control data necessary for the first infrared control operation is valid;

causing only an infrared-transmitting unit connected to the port specified by the port number included in the control data necessary for the first infrared control operation to transmit the infrared signal to the electronic apparatus corresponding to the infrared-transmitting unit; and

causing the apparatus control device to send a response signal to the remote control device when the apparatus control device successfully receives the control data necessary for the first infrared control operation,

wherein the remote control device does not send a second control data for a second infrared control operation which is different than the first infrared control operation until receiving the response signal sent by the apparatus control device for the first infrared control operation indicating that the first infrared control operation has been successfully received.

5. The remote control method according to claim 4 , wherein the remote control device, sends the control data necessary for a first infrared control operation, to the apparatus control device through a cradle.

6. The remote control method according to claim 5 , wherein the remote control device sends the control data to the cradle using non-IP communication.

7. The remote control method according to claim 4 , wherein the remote control method further comprises:

causing the remote control device to send, to the apparatus control device, control data necessary for the second infrared control operation, upon receiving the response from the apparatus control device, which control data includes a port number, assigned to a port of the apparatus control device, associated with a selected electronic apparatus and an infrared code for controlling the selected apparatus control device;

causing the apparatus control device to receive the control data necessary for the second infrared control operation sent from the remote control device;

causing the apparatus control device to generate an infrared signal based on the infrared code included in the received control data necessary for the second infrared control operation; and

causing an infrared-transmitting unit, connected to the port specified by the port number included in the control data necessary for the second infrared control operation, to transmit the infrared signal to the electronic apparatus corresponding to the infrared-transmitting unit.

8. A remote control method for remotely controlling a plurality of electronic apparatuses connected to an apparatus control device using a remote control device, the remote control method comprising:

causing the remote control device to send, to the apparatus control device, control data necessary for a first infrared control operation, which control data includes a port number, assigned to a port of the apparatus control device, associated with a selected electronic apparatus and an infrared code for controlling the selected apparatus control device;

causing the apparatus control device to receive the control data necessary for the first infrared control operation sent from the remote control device;

causing the apparatus control device to generate an infrared signal based on the infrared code included in the received control data necessary for the first infrared control operation; and

causing an infrared-transmitting unit, connected to the port specified by the port number included in the control data necessary for the first infrared control operation, to transmit the infrared signal to the electronic apparatus corresponding to the infrared-transmitting unit;

causing the apparatus control device to send a response to the remote control device when the apparatus control device receives the control data necessary for the first infrared control operation;

causing the remote control device to send, to the apparatus control device, control data necessary for a second infrared control operation, upon receiving the response from the apparatus control device, which control data includes a port number, assigned to a port of the apparatus control device, associated with a selected electronic apparatus and an infrared code for controlling the selected apparatus control device;

causing the apparatus control device to receive the control data necessary for the second infrared control operation sent from the remote control device;

causing the apparatus control device to generate an infrared signal based on the infrared code included in the received control data necessary for the second infrared control operation; and

causing an infrared-transmitting unit, connected to the port specified by the port number included in the control data necessary for the second infrared control operation, to transmit the infrared signal to the electronic apparatus corresponding to the infrared-transmitting unit.