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:
Apr. 08, 2008

Filed:

Jun. 30, 2004
Applicants:

Hideo Seyama, Tama, JP;

Tomoaki Hirota, Tama, JP;

Wataru Watanabe, Tama, JP;

Yoshihide Majima, Tama, JP;

Inventors:

Hideo Seyama, Tama, JP;

Tomoaki Hirota, Tama, JP;

Wataru Watanabe, Tama, JP;

Yoshihide Majima, Tama, JP;

Assignees:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04J 3/16 (2006.01); H04Q 7/24 (2006.01);
U.S. Cl.
CPC ...
Abstract

A communication system including a master station communication device and multiple slave station communication devices is disclosed. The master station communication device transmits a transmission request simultaneously to the slave station communication devices. The transmission request includes identification information identifying one or more of the slave station communication devices that are authorized to transmit information and time information indicating duration of time for which the one or more of the slave station communication devices are authorized to transmit the information. The one or more of the slave station communication devices transmit the information to the master station communication device based on the transmission request transmitted from the master station communication device.


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