Telephone apparatus capable of setting card unit therein
US5138655A · kind A · utility
22Cited by
0References
37Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 15, 1991 |
| Grant date | Aug 11, 1992 |
| Priority date | — |
| Expiry date | Feb 15, 2011 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M9/005
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A telephone apparatus includes an extension telephone for receiving data from a card, a timepiece unit, and a control unit for alarming a coincidence between time data included in the data received from the extension telephone and time data of the timepiece unit. The control unit performs a display on the basis of display data included in the data received by the extension telephone.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.