Modem apparatus
US6167121A · kind A · utility
14Cited by
4References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 17, 1998 |
| Grant date | Dec 26, 2000 |
| Priority date | — |
| Expiry date | Jun 17, 2018 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M11/06
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A modem apparatus performs modulation and demodulation between a telephone circuit and a terminal apparatus. The modem apparatus includes a modem circuit, and a codec circuit performing conversion between an analog signal and a digital signal. Capacitors are provided between the modem circuit and the codec circuit, a signal supplied from the terminal apparatus and a signal supplied from the codec circuit being supplied to the modem circuit, and a signal supplied from the telephone circuit and a signal supplied from the modem circuit being supplied to the codec circuit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.