Radio operated remote control
US4272766A · kind A · utility
4Cited by
2References
2Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Feb 8, 1979 |
| Grant date | Jun 9, 1981 |
| Priority date | — |
| Expiry date | Feb 8, 1999 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08G5/54
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A radio operated remote control unit for attachment to a transmitter and having a second module attached to a transreceiver, which, through the use of a dual tone multi frequency signal, turns on the lights, or similar work, and maintains that status for a predetermined period of time. Also the electrical circuit employed to accomplish the said work.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.