Telephone apparatus
US4149041A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 13, 1977 |
| Grant date | Apr 10, 1979 |
| Priority date | — |
| Expiry date | Sep 13, 1997 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M3/60
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A telephone control console including visual indicator means, data input means, audio frequency input and output means, microprocessor means, data transmission and reception means wherein said microprocessor means controls at least some of said visual indicator means in accordance with data received by said data reception means and in accordance with data input through said data input means and also controls the transmission of data by said data transmission means in accordance with instructions from said data input means and wherein said audio frequency input and output means include an input and output for an operator's telephone.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.