Method and apparatus for creating and storing telephone directory listings
US4800582A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 8, 1986 |
| Grant date | Jan 24, 1989 |
| Priority date | — |
| Expiry date | Aug 8, 2006 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M1/27457
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
Telephone number information representing a name and a telephone number is entered into the memory of an automatic dialer, either by actuating a telephone dial-type keypad or by reading that information from a magnetic recording medium. When utilizing the keypad to generate telephone number information, actuation of the keys in one mode generates digital signals representing alphabetic characters constituting a name, and actuation of those same keys in a second mode generates digital signals representing numerical characters constituting the telephone number associated with that name. The telephone number information is stored as a telephone directory in record blocks which may be revised or deleted, in whole or in part, to carry out a telephone number edit operation. The stored record blocks may be read out from the memory and written onto the magnetic recording medium of a recorder, such as dictating machine, from which the recorded telephone directory may be downloaded to another automatic dialer. Several telephone instruments incorporating automatic dialers may be connected in a network having a central store in which telephone number information generated at each instrument is…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.