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:
Apr. 08, 1997
Filed:
Jun. 01, 1994
Applicant:
Inventors:
Philip A Young, Camberley, GB;
Michael Beatty, Richmond, GB;
Assignee:
Vtech Communications, Ltd., Hong Kong, HK;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04Q / ;
U.S. Cl.
CPC ...
379 61 ; 379 63 ; 455 511 ;
Abstract
A method of conducting an intercom communication between two cordless telephone handsets is disclosed wherein a handset requests that the base unit designate the handset with temporary master status upon initiation of an intercom communication. The responsibility of providing master system timing is transferred from the base unit to the handset for the duration of the intercom call. Upon conclusion of the intercom call the responsibility of providing master system timing is returned to the base unit.