Terminal device for network system
US5867567A · kind A · utility
12Cited by
6References
19Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 29, 1996 |
| Grant date | Feb 2, 1999 |
| Priority date | — |
| Expiry date | May 29, 2016 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M1/57
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
There is provided a terminal device for a network system. The terminal device is capable of receiving a predetermined signal representing a predetermined data which is inserted during a silent period between intermittent ringing signals. The terminal device includes a ringing signal detecting circuit and a signal receiving circuit. The signal receiving circuit is commenced to be ready to receive the predetermined signal upon detection of the ringing signal by the ringing signal detecting circuit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.