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:
Jun. 05, 2007
Filed:
Jun. 29, 2005
Makoto Natori, Saitama, JP;
Katsutoshi Itoh, Tokyo, JP;
Mitsuyoshi Yasuda, Tokyo, JP;
Osamu Yoshimura, Kanagawa, JP;
Minoru Yokoshi, Tokyo, JP;
Takeshi Itagaki, Tokyo, JP;
Makoto Natori, Saitama, JP;
Katsutoshi Itoh, Tokyo, JP;
Mitsuyoshi Yasuda, Tokyo, JP;
Osamu Yoshimura, Kanagawa, JP;
Minoru Yokoshi, Tokyo, JP;
Takeshi Itagaki, Tokyo, JP;
Sony Ericsson Mobile Communications Japan, Inc., Tokyo, JP;
Abstract
According to the present invention makes, even if two of mobile communication terminal apparatuses such as a wireless key apparatus and a mobile telephone terminal apparatus or the like are utilized in various possessing states, it is made possible to maintain a stable distance detection accuracy. In a communication apparatus in which A distance to a connection partner terminal is detected according to a certain parameter and in a case when the distance exceeds a predetermined value, a function limitation or notification to a user is carried out, it is identified that the two of the mobile communication terminals lie in a predetermined appropriate distance according to a manual or automatic method and the proper distance identification information and further receiving state and transmission power at that time if they are necessary are communicated mutually and a parameter used for a distance detection is adjusted.