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:
Dec. 07, 1999

Filed:

May. 30, 1997
Applicant:
Inventors:

Masayoshi Yoneyama, Yokohama, JP;

Hirotaka Yamada, Yokohama, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04Q / ; H04Q / ;
U.S. Cl.
CPC ...
455552 ; 455552 ; 455553 ; 455515 ;
Abstract

A cellular cordless telephone set includes an antenna being common to cellular telephone and cordless telephone, and a radio transceiver connected to the antenna and being common to cellular telephone and cordless telephone. The radio transceiver is changeable between a cellular telephone mode of operation and a cordless telephone mode of operation. The radio transceiver receives an incoming cellular telephone radio signal from the antenna and feeds a transmission cellular telephone radio signal to the antenna during the cellular telephone mode of operation. The radio transceiver receives an incoming cordless telephone radio signal from the antenna and feeds a transmission cordless telephone radio signal to the antenna during the cordless telephone mode of operation. The incoming cellular telephone radio signal and the transmission cellular telephone radio signal are in a first predetermined frequency band. The incoming cordless telephone radio signal and the transmission cordless telephone radio signal are in a second predetermined frequency band adjacent to the first predetermined frequency band.


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Yoneyama, Masayoshi. (1999). Cellular cordless telephone (U.S. Patent No. 5999823). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5999823

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

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