Cordless telephone apparatus and a method of controlling same
US4962524A · kind A · utility
Assignees
Inventors
Key dates
| Filing date | Jun 2, 1988 |
| Grant date | Oct 9, 1990 |
| Priority date | — |
| Expiry date | Jun 2, 2008 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M1/72513
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A cordless telephone having a base unit and a plurality of radio telephone sets. The base unit delivers a ringing signal from a telephone line to a radio telephone set which is in telephone communication with a remote subscriber coupled to the telephone network, and a receiving radio telephone set in accordance with a request for transfer by the transferring radio telephone set. If the receiving radio telephone set responds to the ringing signal and goes off-hook, the telephone communication is transferred to the receiving radio telephone set from the transferring radio telephone set. If the receiving radio telephone set does not respond or does not go off-hook, the transferring radio telephone set responds to the ringing signal and goes off-hook to carry on the telephone communication.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.