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:
Jun. 04, 2002
Filed:
May. 24, 1999
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Abstract
A vehicle lock apparatus in which a wireless door lock function and an immobilizing function are established is provided. A key ( ) is provided with a battery ( ), a switch ( ) and a control IC ( ). An antenna-coil is mounted at an end portion of a key cylinder ( ). A wireless antenna ( ) is mounted at a predetermined position in a vehicle. When the switch ( ) is turned on, a wireless signal is transmitted by the control IC ( ) so that the wireless door lock function is established. When the key ( ) is inserted in the key cylinder ( ), the control IC ( ) inhibits the transmission of the wireless signal and communicates with the antenna-coil ( ) using an ID code so that the immobilizing function is established,