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:
Mar. 13, 1990

Filed:

Apr. 12, 1988
Applicant:
Inventor:

Tetsuya Hanawa, Yokohama, JP;

Assignee:

Fujitsu Limited, Kawasaki, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M / ;
U.S. Cl.
CPC ...
379 63 ; 379 58 ;
Abstract

In an mobile communication system having a transmitting and receiving unit, a control unit, and a handset in a mobile station, it is possible to fix a restriction against a use of a specific function of the mobile communication system, or it is possible to change a restriction against a use of a specific function of the mobile communication system after inputting a security code, enabling the use of only one kind of control unit in the handset.


Find Patent Forward Citations

Hanawa, Tetsuya. (1990). Apparatus for controlling calls in a mobile communication system (U.S. Patent No. 4908848). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4908848

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…