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:
Aug. 29, 1978
Filed:
Apr. 26, 1976
Applicant:
Inventor:
Kazuo Ito, Komae, JP;
Assignee:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03K / ; G04C / ; B23K / ;
U.S. Cl.
CPC ...
307303 ; 58 2 / ; 2191 / ; 331109 ;
Abstract
The combination of a transparent substrate, and a plurality of standard signal generating circuits, for developing respective oscillatory output signals at a standard frequency. The plurality of signal generating circuits are disposed on a major surface of the substrate, and each includes at least one unbroken adjusting lead, which can be broken by irradiation with laser light, to set the frequency of the oscillatory output signal.