Telephone apparatus
US7123715B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Apr 13, 2004 |
| Grant date | Oct 17, 2006 |
| Priority date | — |
| Expiry date | Dec 30, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M2250/18
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
Telephone apparatus comprises a telephone and a remote controller separate therefrom. The telephone has a built-in keypad and an internal operating circuit including a control circuit connected with the keypad for accepting keying signals therefrom to process a telephone call. The remote controller includes a built-in keypad for generating keying signals and an internal signal transmitter for transmitting said keying signals in a wireless format. There is a signal receiver located internally of the telephone and connected to the control circuit for receiving said wireless keying signals from the signal transmitter and relaying the same to the control circuit for processing a telephone call. The remote keypad represents a second keypad for convenience.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.