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:
Jan. 13, 1987

Filed:

Mar. 12, 1985
Applicant:
Inventor:

Koichi Sakurai, Oramachi, Ora-gun, Gunma-ken, JP;

Assignee:

Other;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A63H / ; G11B / ; G11B / ;
U.S. Cl.
CPC ...
369 67 ; 369 19 ; 369 63 ; 446175 ; 446297 ;
Abstract

A toy, such as a stuffed doll, having a melody-making mechanism of a sound-detection type is disclosed, in which the melody-making mechanism is provided with a sound-detector, an amplifier circuit and a switching circuit in such arrangement that operation of the melody-making mechanism may be discontinued after a predetermined period of time. The sound-detector may be in the form of a ceramic condenser or a microphone.


Find Patent Forward Citations

Sakurai, Koichi. (1987). Toy having a melody-making mechanism of a sound-detection type (U.S. Patent No. 4637007). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4637007

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

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