About 39 results
https://drivepatents.com/patents/955756 · 11 Nov 2015
A system and method of locating a key are disclosed. The key is configured to communicate with a base station through a plurality of antennas that are coupled to the base station. The method includes turning off each of the plurality of antennas, turning o...
https://drivepatents.com/patents/950283 · 17 Jun 2015
In a keyless entry system (100) including an in-vehicle device (10), and a portable device (20) operated by a built-in battery (19), a request signal is transmitted from the in-vehicle device (10) to the portable device (20) so that wireless communication ...
https://drivepatents.com/patents/966212 · 17 Dec 2014
An information processing system of the present invention includes: a mobile wireless device including a first wireless communicating means; a wireless authentication device; and a distance acquiring means for acquiring distance information representing a ...
https://drivepatents.com/patents/971561 · 6 Aug 2014
The invention concerns a radio base station (100) and a method adapted to receive a first identification of a terminal (160) to determine information about the distance between the terminal (160) and a predetermined position and to determine a trigger by e...
https://drivepatents.com/patents/978622 · 12 Feb 2014
A vehicle open/close body operating apparatus is provided with: a photoelectric sensor configured to be mounted on a vehicle, and configured to display, by optical irradiation, both of a sign indicating an open operation and a sign indicating a close opera...
https://drivepatents.com/patents/998858 · 29 Aug 2012
An electronic key system (1) that reduces the time for locating an electronic key from responses from the electronic key sought for by requests from LF transmitters (22, 23). The electronic key system checks a combination of responses from the electronic k...
https://drivepatents.com/patents/998846 · 29 Aug 2012
An electronic key system (3) includes transmission devices (22, 23) arranged in a vehicle (2). Each transmission device (22, 23) forms a communication area (Ado;Adi, Apo;Api) and transmits an inquiry signal (Swk). Each transmission device (22, 23) forms an...
https://drivepatents.com/patents/1006835 · 28 Dec 2011
A vehicle control device (4) has first and second transmission circuits (11, 12) that communicate by radio with a portable unit (2) and also has a control section (14) that, when the portable unit is confirmed to be correct, engages in a permission mode th...
https://drivepatents.com/patents/1009109 · 5 Oct 2011
A door courtesy switch abnormality detection apparatus used in an on-vehicle system in which a door unlocked status is formed based on a wireless signal transmitted from an electronic key is disclosed. The apparatus is configured to generate information re...
https://drivepatents.com/patents/1067096 · 31 May 2006
A vehicle control apparatus (30), comprising: antenna means (31a) for communicating with an authentication information storage device (20) having stored therein authentication information used to authenticate a user of a vehicle; retaining means (33) provi...