Electronic endoscope system

Details Electronic endoscope system Electronic endoscope system

2011-08-16

2011-08-16

Lee, Y. (Department: 2485)

Television

Special applications

With endoscope

C600S101000

Reexamination Certificate

active

07999845

ABSTRACT:
In an electronic endoscope system, an RF signal is produced through quadrature modulation of a picture signal that is representative of an image taken through an electronic endoscope. When control signals are entered by an operator through a control section of the electronic endoscope, a data superimposing section superimposes the entered control signals on the RF signal in horizontal scanning intervals within a vertical blanking interval. The RF signal having the control signals superimposed thereon is sent as an electric wave of a single frequency band to a processor. In the processor, a data analyzer carries out sampling to extract the entered control signals if they are superimposed on the picture signal, and analyzes the contents of the entered control signals. Based on the results of analysis, a CPU controls respective components of the signal processor.

REFERENCES:
patent: 2001/0015754 (2001-08-01), Nakashima et al.
patent: 2004/0196364 (2004-10-01), Takahashi
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patent: 1-251886 (1989-10-01), None
patent: 5-260479 (1993-10-01), None
patent: 2001-046334 (2001-02-01), None
patent: 2001-231739 (2001-08-01), None
European Search Report dated Oct. 13, 2010 issued for European Application No. 06020411.2.
Japanse Office Action (with English translation dated Mar. 31, 2011 issued in corresponding Japanese patent application No. 2005-283495.

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