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:
Jan. 18, 2011
Filed:
Sep. 12, 2008
Applicant:
Daisuke Yumita, Kanagawa, JP;
Inventor:
Daisuke Yumita, Kanagawa, JP;
Assignee:
NEC Infrontia Corporation, Kanagawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04M 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Disclosed is a telephone to be installed in a house or an office and capable of effectively preventing leakage of data stored in or unauthorized use of the telephone. For this end, a security buttonis provided for inhibiting the use of all or a part of the stored data in or functions of the telephone. The security buttonenables the user to set the security condition by a single push-down operation or choose desired security levels by continuous operations. An LED may be installed in the security buttonto emit light in different colors or patterns for respective security levels.