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. 07, 1978
Filed:
Dec. 02, 1976
Applicant:
Inventor:
Yukichi Hayashi, Sakado, JP;
Assignee:
Nippon Coinco Co. Ltd., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G07F / ;
U.S. Cl.
CPC ...
194102 ; 1941 / ;
Abstract
In a coin inspecting apparatus wherein two secondary coils of a differential transformer are disposed along a coin passage and connected in series opposition, the secondary coils are disposed with a spacing smaller than the diameter of the coin and the level of the output of the secondary coils is detected to determine the diameter of the coin. In a modification two sets of the secondary coils are provided to inspect not only the diameter but also the material and the surface pattern of the coin.