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:
Apr. 27, 2004
Filed:
Apr. 18, 2002
Applicant:
Inventors:
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G08B 5/36 ;
U.S. Cl.
CPC ...
G08B 5/36 ;
Abstract
An operation panel is provided with a plurality of operation buttons . A string-like resistor body is held in a resistor holding plate . The resistor body has a tube-like elastic outer resistor member , an inner resistor member loosely arranged within the outer resistor member and insulating spacers arranged between the inner resistor member and the outer resistor member at predetermined intervals in the longitudinal direction of the inner resistor member so that the inner periphery of the outer resistor member and outer periphery of the inner resistor member are constantly separated from each other. A control unit is provided to produce an operation signal.