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.

Date of Patent:
Apr. 02, 2019

Filed:

Mar. 25, 2015
Applicants:

Citizen Finedevice Co., Ltd., Minamitsuru-gun, Yamanashi, JP;

Citizen Holdings Co.,ltd., Tokyo, JP;

Inventors:

Rikoku Nakamura, Yamanashi, JP;

Masanori Yomoyama, Yamanashi, JP;

Tetsuya Aiba, Yamanashi, JP;

Yuta Kanamori, Yamanashi, JP;

Assignees:

CITIZEN FINEDEVICE CO., LTD., Minamitsuru-Gun, Yamanashi, JP;

CITIZEN WATCH CO., LTD., Nishitokyo-Shi, Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01L 23/22 (2006.01); G01L 19/12 (2006.01); G01L 19/08 (2006.01);
U.S. Cl.
CPC ...
G01L 23/225 (2013.01); G01L 19/083 (2013.01); G01L 19/12 (2013.01);
Abstract

A disconnection detection circuit includes: a pull-up resistor to which the detection signal is fed and which connects a signal line connected to the wiring cable to a power supply or a pull-down resistor which connects the signal line to a GND; and a voltage clip circuitwhich includes a high-voltage clip circuit which is connected between the signal line and the power supply and which clips the voltage of the signal line to the maximum specified voltage and a low-voltage clip circuit which is connected between the signal line and the GND and which clips the voltage of the signal line to the minimum specified voltage.


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