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:
May. 03, 1988
Filed:
Mar. 14, 1986
Applicant:
Inventor:
Kanji Arai, Tokyo, JP;
Assignee:
Oki Electric Industry Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04Q / ; H04B / ;
U.S. Cl.
CPC ...
455 33 ; 455 38 ; 455 56 ; 379 62 ;
Abstract
A mobile radio unit assures a wide area communication system having a function equal to a tracking exchange function and profitably employing an equipment of the existing exchange as it is. The mobile radio unit stores a secret number to assure a terminating limit service.