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.:
Date of Patent:
Oct. 12, 2004
Filed:
Dec. 20, 1999
Applicant:
Inventors:
Takumi Okaue, Kanagawa, JP;
Yoshio Kondo, Chiba, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06K 1/906 ;
U.S. Cl.
CPC ...
G06K 1/906 ;
Abstract
A command generator , upon reception of a register instruction for checking a state of a memory card received via an S/P & P/S sequencer, sets a state of an erroneous erase prevention switch in a register and transmits this register content via the S/P & P/S sequnecer to a host computer. According to the register content from the memory card, the host computer decides whether a write protect is ON and executes a write inhibit processing when the write protect is ON.