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 7023849 B1

PDF
Full Text
Expired
Date of Patent:
Apr. 04, 2006

Filed:

Aug. 07, 2001
Applicants:

Norihiko Moriwaki, Kokubunji, JP;

Takahiko Kozaki, Tokyo, JP;

Masami Takahashi, Fujisawa, JP;

Inventors:

Norihiko Moriwaki, Kokubunji, JP;

Takahiko Kozaki, Tokyo, JP;

Masami Takahashi, Fujisawa, JP;

Assignee:

Hitachi, Ltd., Tokyo, JP;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04J 3/26 (2006.01); H04L 12/56 (2006.01);
U.S. Cl.
CPC ...
Abstract

In a packet switching apparatus capable of multicast, the length of a bitmap added to a multicast packet is made variable, depending on the number of line interface cards housed in the packet switching apparatus.


Find Patent Forward Citations

Moriwaki, Norihiko. (2006). Packet switching apparatus, method of transmitting multicast packet at packet switching apparatus, and setup method of packet switching apparatus (U.S. Patent No. 7023849). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7023849

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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