The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 16, 2003
Filed:
Mar. 31, 1999
Choichiro Tsuchihashi, Kobe, JP;
Fujitsu Ten Limited, Hyogo, JP;
Abstract
A wireless control apparatus for vehicles in that reduces the drain on an internal power source of a portable unit so that the internal power source can be used for a long period of time without being changed. A wireless control apparatus for vehicles including a control apparatus body provided on the vehicle side, and a portable unit carried by the driver. The portable unit has a start signal receiver for receiving a start signal from the vehicle side, a communication signal transmitter for transmitting a communication signal to the vehicle side, a controller for controlling the operation of the communication signal transmitter, and an operation power switching device for selecting between a signal power operation mode in which the portable unit operates from electric power obtained from the start signal and a power source operation mode in which the portable unit operates from an internal power source. When inoperative, the portable unit is held in the signal power operation mode. After the receipt of the start signal, the portable unit is actuated and switching to the power source operation mode is performed.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile