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:
Nov. 25, 2008

Filed:

Jun. 29, 2004
Applicant:

Masahiro Fujimoto, Hitachinaka, JP;

Inventor:

Masahiro Fujimoto, Hitachinaka, JP;

Assignee:

Hitachi, Ltd., Tokyo, JP;

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

An information recording device includes an input unit entering input data, a transmission unit sending the data entered by the input unit, a reception unit receiving information data, a received data management unit adding a flag indicating the received information data to the information data received by the reception unit, a recording unit recording the information data received by the reception unit and the flag, and a control unit controlling the information data recorded by the recording unit to be changed to overwritable data in accordance with the flag recorded by the recording unit, thereby adding a flag to received data and performing a control to set the data attached with the flag to overwritable data.


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