Patent · US Expired

Endoscope apparatus

US6840901B2 · kind B2 · utility

8Cited by
11References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 20, 2003
Grant dateJan 11, 2005
Priority date
Expiry dateJul 21, 2023

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N7/181
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

Endoscopes comprise image pickup elements for picking up images and transmission circuits and the like for transmitting the picked up images with radio waves of different frequencies. In addition, bar codes to code the frequencies used for transmission are provided to the respective endoscopes, the bar code provided to the endoscope used in endoscope inspection is read on a receiver side, and a reception frequency of a station selection unit is set to the read frequency, so that a signal obtained by a desired endoscope can be easily received and imaged even in case a plurality of endoscopes are used.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.