Super high frequency receiver
US4592093A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 3, 1985 |
| Grant date | May 27, 1986 |
| Priority date | — |
| Expiry date | Jan 3, 2005 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03D7/161
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
Apparatus for receiving super high frequency signals having an outdoor unit which includes a converter for converting super high frequency signals received by an antenna to ultra high frequency signals, a local oscillator for generating a local signal supplied to the converter a switch for switching the frequency of the local signal, and a detecting circuit for detecting an operating voltage supplied to the outdoor unit and the value of which is changed according to a band range of the super high frequency signals, the output of the detecting circuit controlling the switch, an indoor unit which includes a demodulator demodulating the ultra high frequency signals, and a circuit generating the operating voltage; and a coaxial cable supplying the ultra high frequency signals from the outdoor unit to the indoor unit and also supplying the operating voltage from the indoor unit to the outdoor unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.