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:
Jul. 20, 1999
Filed:
Nov. 15, 1995
Applicant:
Inventors:
Masato Yamagata, Kanagawa, JP;
Kazunori Nakajima, Saitama, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04Q / ;
U.S. Cl.
CPC ...
455464 ; 455426 ; 455462 ;
Abstract
In a cordless telephone having no control channel, the time required for connecting a cordless handset to a base unit is reduced in a cordless telephone wherein a cordless handset and a base unit are connected using any one of a plurality of communication channels to allow a call, the plurality of communication channels are divided into a plurality of groups. By using a communication channel included in one of the plurality of groups, standby, calling, and call receiving modes of operation are effected.