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. 11, 2023
Filed:
Jan. 27, 2022
Denso Corporation, Kariya, JP;
Rohm Co., Ltd., Kyoto, JP;
Junichi Hasegawa, Kariya, JP;
Yusuke Michisita, Kariya, JP;
Kazuma Takahashi, Kariya, JP;
Daiki Yanagishima, Kyoto, JP;
Masahiko Arimura, Kyoto, JP;
DENSO CORPORATION, Kariya, JP;
ROHM CO., LTD., Kyoto, JP;
Abstract
In a transmission circuit, a first pulse signal with a first frequency and a second pulse signal with a second frequency are output according to a rising edge and a falling edge of a first input signal, respectively. When a second input signal indicates an active level, the second pulse signal is output according to the falling edge of the first input signal and the second frequency is changed to a third frequency. In a reception circuit, a first level of a first output signal is changed to a second level according to a first induced signal via a transformer, the second level of the first output signal is changed to the first level according to a second induced signal via the transformer, and a second output signal is changed to an active level when a frequency of the second induced signal has changed to the third frequency.