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:
May. 28, 2019
Filed:
Dec. 08, 2016
Fuji Electric Co., Ltd., Kawasaki-shi, Kanagawa, JP;
Motomitsu Iwamoto, Matsumoto, JP;
FUJI ELECTRIC CO., LTD., Kawasaki-Shi, Kanagawa, JP;
Abstract
A trimming apparatus for adjusting an electric property of a trimming object circuit. The trimming apparatus includes a data input pad that receives an input of serial data, a shift register that outputs parallel setting data by shifting the received serial data, a trimming data generating circuit, and a cutting control circuit that controls application of an electric signal to the trimming data generating circuit. The trimming data generating circuit includes a plurality of trimming elements, each having a conductive part cuttable by a flow of the electric signal, a plurality of pull-up resistors respectively connected to high potential sides of the trimming elements, and a plurality of switches respectively connected to low potential sides of the trimming elements. The trimming data generating circuit is configured to generate trimming data for the trimming object circuit by switching the plurality of switches in accordance with a level of the setting data.