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:
Nov. 08, 2022
Filed:
Jul. 18, 2019
Evident Corporation, Nagano, JP;
Yoshiyuki Shigehisa, Fuchu, JP;
EVIDENT CORPORATION, Nagano, JP;
Abstract
An endoscope apparatus includes an identification unit provided in each of a plurality of optical adaptors, an MMA connected in parallel to the identification unit, an MMA drive circuit that is provided in a main body portion and applies a drive signal for driving the MMA through a pair of conductive wires, a sine-wave generation circuit that is provided in the main body portion and applies an alternating signal to the identification unit through a pair of conductive wires in a state where any one of the plurality of optical adaptors is mounted at a distal end portion, and CPU that is provided in the main body portion and measures an input impedance of the pair of conductive wires at a frequency of the alternating current signal to perform individual identification of the optical adaptor mounted at the distal end portion based on a measurement result.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile