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. 16, 2005
Filed:
Mar. 20, 2003
Katsuya Hirakui, Ootawara, JP;
Akinori Shigihara, Ootawara, JP;
Katsuya Hirakui, Ootawara, JP;
Akinori Shigihara, Ootawara, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
In an endoscope apparatus, an air/water switch () that is provided in an operating section () of an endoscope () each generate an air feed on/off signal and a suction on/off signal, and air feed flow and suction flow signals that are responsive to the amount of depression of each of the switches, these signals being sent to a signal processing circuit (). The signal processing circuit () controls a air/water feed control valveand a suction force control valve, so as to control air/water feed flow and suction flow, a flow display being made by an indicator () on the screen () of a TV monitor ().