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.

Date of Patent:
Nov. 30, 1993

Filed:

Sep. 26, 1991
Applicant:
Inventor:

Akihiro Murayama, Kanagawa, JP;

Assignee:

Kabushiki Kaisha Toshiba, Kanagawa, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N / ;
U.S. Cl.
CPC ...
358 26 ; 358188 ; 358 25 ;
Abstract

A multiple systems adaptive television receiver which is able to receive different system television signals such as the system, the NTSC system, the SECAM system including a chrominance signal and a unique ID signal of the different television signals. The television receiver includes an ACC circuit for stabilizing the amplitude of the chrominance signal by the identification signal, the ACC circuit including a detector for detecting the ID signal, at least two ID discriminators each dedicated for discriminating the unique ID signal obtained by the ACC circuit, a control circuit for assigning priority of discriminating sensitivity to the each ID discriminator and a circuit for increasing the sensitivity of the each ID discriminator in response to an information for stabilizing the chrominance signal and an output from the active one of the ID discriminators.


Find Patent Forward Citations

Loading…