Method of conducting an intercom communication between two cordless telephone handsets
US5619553A · kind A · utility
23Cited by
6References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 1, 1994 |
| Grant date | Apr 8, 1997 |
| Priority date | — |
| Expiry date | Jun 1, 2014 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M1/72513
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.