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.

Patent No.:

US 7417960 B1

PDF
Full Text
Expired
Date of Patent:
Aug. 26, 2008

Filed:

Dec. 09, 2004
Applicant:

Kenichi Sakusabe, Kanagawa, JP;

Inventor:

Kenichi Sakusabe, Kanagawa, JP;

Assignee:

Sony Corporation, Tokyo, JP;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04L 5/16 (2006.01);
U.S. Cl.
CPC ...
Abstract

A communication apparatus for performing half duplex communications has: a memory circuit storing transmission data; a transmission processing circuit generating a transmission frame; a transmission/reception processing circuit outputting as a transmission signal the transmission frame generated by the transmission processing circuit and generating a reception frame by receiving a transmission signal; and a transmission/reception managing circuit making the transmission processing circuit generate a transmission frame containing the transmission data in the confirmation response and supply the transmission frame to the transmission/reception processing circuit if a confirmation response to the reception of the transmission signal at the transmission/reception processing circuit is to be issued and if the transmission data is stored in the memory circuit.


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