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:
Nov. 25, 1980
Filed:
Sep. 18, 1978
Applicant:
Inventor:
Franklin N Eventoff, Los Angeles, CA (US);
Assignee:
Other;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G10H / ; H01C / ;
U.S. Cl.
CPC ...
84-101 ; 84-116 ; 84DI / ; 84-124 ; 338 69 ;
Abstract
An apertured insulating strip permits closing a circuit only at contact points defined by the apertures between a low resistance conductor and a high resistance conductor in an electronic circuit of the type which produces musical notes each having a frequency dependent upon the resistance downstream of a particular contact point.