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:
Feb. 29, 2000

Filed:

Apr. 10, 1997
Applicant:
Inventors:

Michio Mita, Kanagawa, JP;

Kimiyasu Satoh, Kanagawa, JP;

Assignee:

Sony Corporation, Tokyo, JP;

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L / ;
U.S. Cl.
CPC ...
370360 ; 370396 ;
Abstract

According to the present invention, it is possible to provide a signal switching apparatus for reducing cross point identification name data stored in a memory required to generate switching control data according to a combination of a selected destination operating switch and a selected source operating switch so that a memory capacity of the memory can be reduced.


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