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:
Jun. 05, 2012
Filed:
Dec. 07, 2006
Masanao Murata, Tokyo, JP;
Takashi Suzuki, Tokyo, JP;
Masanao Murata, Tokyo, JP;
Takashi Suzuki, Tokyo, JP;
Olympus Corporation, , JP;
Abstract
A scope unitincluding a control unitand an insertion portionis attached to a main unitvia a scope connector. An optical adaptoris attached to a tip of the insertion portion. The CCD, HICs, and the thermistorare attached to the tip of the insertion portion. A liquid crystal moduleis attached to the optical adaptor. A barrier circuitlimits energy supplied to these components in a circuit disposed in the scope unit. By disposing the barrier circuitin the scope connector, the portion extending from the barrier circuitto, i.e., the control unit, the insertion portion, and the optical adaptorare of the explosion-proof construction. Thus, these can be used in a hazardous explosive location. Thus, an endoscope apparatus that can be used in combustible gas or dust can be provided.