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:
Feb. 13, 2024
Filed:
May. 10, 2021
Denso Corporation, Kariya, JP;
Kenji Kato, Kariya, JP;
DENSO CORPORATION, Kariya, JP;
Abstract
A transmission control device, which drives multiple antennas having different transmission ranges, includes: a genuine transmission control unit that transmits, from a genuine transmission antenna with use of a carrier wave, a genuine code for activating a portable device; and an inversion transmission control unit that transmits, from an inversion transmission antenna with use of a carrier wave, an inversion code including at least partial inverted genuine code concurrently with a transmission of the genuine code from the genuine transmission antenna. The inversion transmission antenna has a transmission range which does not overlap with a transmission range of the genuine transmission antenna.