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:
Oct. 19, 2010
Filed:
Mar. 10, 2006
Applicant:
Raymond Chan, Hong Kong, HK;
Inventor:
Raymond Chan, Hong Kong, HK;
Assignee:
IDT Technology Limited, Kowloon, HK;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G04C 17/00 (2006.01); G04C 21/16 (2006.01); H02N 2/18 (2006.01);
U.S. Cl.
CPC ...
Abstract
A shock-activated switch device comprises a piezoelectric buzzer having a body for receiving a mechanical shock and a terminal for outputting an electrical output signal when the body receives a mechanical shock, and an output circuit connected to the terminal for converting the output signal into a logic signal for controlling an electronic circuit to execute a specific programmable function, such as alarm snooze.