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:
May. 13, 2008

Filed:

Apr. 01, 2003
Applicants:

Makoto Sato, Tokyo, JP;

Junji Kato, Tokyo, JP;

Michio Miyano, Kanagawa, JP;

Yuichi Kageyama, Tokyo, JP;

Norifumi Kikkawa, Tokyo, JP;

Inventors:

Makoto Sato, Tokyo, JP;

Junji Kato, Tokyo, JP;

Michio Miyano, Kanagawa, JP;

Yuichi Kageyama, Tokyo, JP;

Norifumi Kikkawa, Tokyo, JP;

Assignee:

Sony Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present invention relates to a signal processing system, and proposes the switching operation of device selection which is naturally performed for a user. The signal input devicecomprises a registration means for registering the signal output devices, and an establishment means for, when an establishment request signal requesting the establishment of a signal path is sent from any signal output deviceout of a plurality of the signal output devices, judging whether the signal output device, which sent the establishment request signal, is registered in the signal input device, and establishing the signal path between the signal output deviceand the signal input devicedepending on the judged result, thereby avoiding unnatural operation which is not performed in accordance with user operation, thus making it possible to perform the switching operation of device selection which is naturally performed for a user.


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