Patent ID: 7167780

Claim:
A communication system for remotely controlling a vehicle, the communication system comprising: a portable transmitting apparatus, provided with a plurality of operation switches for remotely controlling components employed in the vehicle, for transmitting operation information representing an operation state of any specific one of the operation switches as a radio wave when any specific one of the specific operation switches is operated; and a receiving apparatus, mounted on the vehicle, for receiving operation information transmitted by the transmitting apparatus and outputting the received operation information to a control apparatus employed in the vehicle as a command for controlling the vehicle, wherein the transmitting apparatus is constructed to transmit, when an operation is carried out on any specific one of the operation switches, a radio wave conveying switch information representing the type of the specific operation switch operated this time as the operation information till an end of the operation carried out on the specific operation switch, and transmit, if an operation is carried out again on any particular one of the operation switches before a predetermined period of time lapses since the end of the operation carried out on the specific operation switch, a radio wave conveying switch information representing the type of the particular operation switch operated this time and previous switch information, which was transmitted previously when the specific operation switch was operated, till an end of the operation carried out on the particular operation switch.