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. 31, 1989
Filed:
Sep. 29, 1986
Kazuhiro Yoshizawa, Kashiwa, JP;
Akio Yotsutani, Tokyo, JP;
Noboru Saegusa, Tokyo, JP;
Koichi Ito, Hino, JP;
Syozi Huse, Hachioji, JP;
Akio Toki, Hino, JP;
Nippon Telegraph and Telephone Corporation, Tokyo, JP;
NEC Corporation, Tokyo, JP;
Kabushiki Kaisha Toshiba, Kanagawa, JP;
Abstract
Where a carrier wave is received from a called radio telephone set and where the identification signal of the radio telephone set coincides with a preassigned identification signal, transmission of a paging signal from a base unit is stopped. Even when the identification signals do not coincide with each other, the paging signal is sent continuously over a definite interval. Communication is established only when the signal from a handset to the base station has a predetermined strength and a proper I.D.