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:
Aug. 07, 1984

Filed:

Nov. 10, 1982
Applicant:
Inventor:

Teizo Fujita, Ibaraki, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01H / ;
U.S. Cl.
CPC ...
200 / ; 200 / ; 200156 ; 200321 ; 200328 ; 200334 ;
Abstract

Disclosed is a digital switch which is manually rotated step by step and which comprises a casing, a wheel rotatably supported in the casing, device for manually rotating the wheel step by step, an electrical contact carried by the wheel, an electrical circuit board attached to the casing and provided with a plurality of electrical contacts which are successively touched by the electrical contact carried by the wheel when the wheel is rotated step by step, for producing an electrical signal in accordance with a stepping rotary position of the wheel, and a locking device for disabling the wheel rotating device.


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