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 7865935 B1

PDF
Full Text
Expired
Date of Patent:
Jan. 04, 2011

Filed:

Jan. 17, 2007
Applicants:

Minoru Harada, Kobe, JP;

Hiroyuki Watabe, Kobe, JP;

Masaru Kamino, Rancho Palos Verdes, CA (US);

Inventors:

Minoru Harada, Kobe, JP;

Hiroyuki Watabe, Kobe, JP;

Masaru Kamino, Rancho Palos Verdes, CA (US);

Assignee:

Fujitsu Ten Limited, Hyogo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

When an electronic apparatus is forcibly put into an inoperable state by theft, the inoperable state is canceled using a code from a dealer, without carrying the electronic apparatus into the dealer. After electric power is supplied again, a CD reproduction apparatus is used to playback a CD, and TOC information is used as a code C. When code Cis identical to an authorized code Athe electronic apparatus is made operable. To cancel the inoperable state after the number of inconsistencies becomes 10 or more, a code Ais notified to the dealer. The dealer carries out a calculation using the code Aand a result Bof the calculation is notified to the user. An individual code calculating means carries out the same calculation as the above-mentioned calculation and obtains calculation result BWhen calculation result Bcoincides with calculation result Bthe inoperable state is canceled.


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Harada, Minoru. (2011). Electronic apparatus having security function (U.S. Patent No. 7865935). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7865935

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