Patents Represented by Attorney, Agent or Law Firm Armstrong, Westermam, Hattori, McLeland & Naughton, LLP
  • Endoscope system having reduced noise emission/permeation
    Patent number: 6319197
    Abstract: A medical system having an endoscope probe intubated into a body, a signal processing circuit for processing a signal for the probe and an electric source circuit insulated from a commercial electric source. A part of the signal processing circuit connected to the probe is isolated by an isolation circuit to secure the safety. An impedance element is employed to prevent a malfunction by reducing an emission/permeation of noises. No adverse influence is thereby exerted on outside units.
    Type: Grant
    Filed: July 7, 1997
    Date of Patent: November 20, 2001
    Assignee: Olympus Optical Co., LTD
    Inventors: Kiyoshi Tsuji, Akinobu Uchikubo, Kenji Kimura, Masahito Goto, Tsutomu Hirai