Redial apparatus and methods for processing symbols input by a user before and during a telephone call
US5689557A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jan 31, 1996 |
| Grant date | Nov 18, 1997 |
| Priority date | — |
| Expiry date | Jan 31, 2016 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W84/14
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A telephone number redial function is provided wherein only digits corresponding to a completed telephone number are stored within a redial buffer. Any digits entered by a user after completion of a telephone number, such as digits entered in response to queries by a voice mail system, are not stored within the redial buffer. As such, digits entered by a user after completion of a telephone number do not affect the telephone number of the redial buffer allowing the telephone number to be properly redialed. In one arrangement, the redial buffer is incorporated within a cellular telephone. Digits entered by a user are first entered within a new number buffer until a send command is received. Thereafter, the digits stored within the new number buffer are transferred to the redial buffer and also transmitted from the cellular phone. Any additional digits entered by the user are transmitted, but not stored within the redial buffer. In an alternative arrangement, the redial buffer is incorporated within a wireless local loop telephone of the type wherein a send button need not be pressed by a user. In yet another arrangement, the redial buffer is incorporated within a telephone connected…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.