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:
Apr. 24, 2012
Filed:
Jun. 12, 2009
Shuji Yamashita, Nagoya, JP;
Hidemitsu Kawashima, Seto, JP;
Akitomo Tanaka, Kasugai, JP;
Yasushi Hatakeyama, Yokkaichi, JP;
Shuji Yamashita, Nagoya, JP;
Hidemitsu Kawashima, Seto, JP;
Akitomo Tanaka, Kasugai, JP;
Yasushi Hatakeyama, Yokkaichi, JP;
OMRON Automotive Electronics Co., Ltd., Aichi, JP;
Abstract
A radio transmitter for modulating a carrier wave in a predetermined frequency with given information to transmit the modulation signal through an antenna having a predetermined resonance frequency fhas a frequency changing section that changes the frequency of the carrier wave. The frequency changing section changes the frequency of the carrier wave to one of the resonance frequency fand a frequency f×1/n, (wherein n is a given integer of at least 2, to change transmission output power.