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:
Oct. 06, 2009
Filed:
Jul. 25, 2005
Applicant:
Masato Naruse, Hachioji, JP;
Inventor:
Masato Naruse, Hachioji, JP;
Assignee:
Olympus Corporation, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B 5/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
An electronic endoscope system with high operability and high observing performance capable of driving properly and automatically the light-emitting elements without the size increase in system is provided, even in the case of using a plurality of interchangeable optical adaptors having varied numbers of light-emitting elements. A plurality of optical adaptors having LEDs are detachable to the distal end of an insertion unit of an endoscope. The insertion unit has an inserted electric cable connected to the LEDs. A constant-current circuit of an LED driving circuit flows constant current to the LEDs via the electric cable.