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:
Jul. 02, 1985

Filed:

Dec. 27, 1983
Applicant:
Inventor:

Shunichi Makuta, Saitama, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G04B / ;
U.S. Cl.
CPC ...
368273 ; 368272 ;
Abstract

An electronic sound generating circuit for an electronic device having standard signal generator including a first audio frequency signal generating circuit generating a first audio frequency signal, a second audio frequency signal generating circuit generating a second audio frequency signal having a frequency which differs from said first audio frequency signal, a mixing circuit mixing said first audio frequency signal and said second audio frequency signal to provide a mixed signal, and a tone generating circuit generating an audible tone in response to said mixed signal.


Find Patent Forward Citations

Makuta, Shunichi. (1985). Electronic sound generating circuit for generation bell toll (U.S. Patent No. 4526478). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4526478

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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