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:
May. 01, 2007

Filed:

Jul. 31, 2003
Applicants:

Yasuji Yui, Kanagawa, JP;

Hiroyuki Matsumura, Kanagawa, JP;

Akira Yaegashi, Kanagawa, JP;

Inventors:

Yasuji Yui, Kanagawa, JP;

Hiroyuki Matsumura, Kanagawa, JP;

Akira Yaegashi, Kanagawa, JP;

Assignee:

Sony Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E05B 45/06 (2006.01);
U.S. Cl.
CPC ...
Abstract

A communication apparatus is provided that can urge a person, such as a child, to come back home at a scheduled time. The communication apparatus can also inform another person, such as a parent of the child, about the time that the child arrives home.


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