Multiple transmission channel group transmitter
US5712638A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | May 26, 1995 |
| Grant date | Jan 27, 1998 |
| Priority date | — |
| Expiry date | May 26, 2015 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04J13/0074
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A remote control transmitter comprising at least one transmission channel for transmitting a code word to a system controller and for operating system operational functions controllable thereby; a plurality of transmission channel groups, each group having at least one transmission channel therein; at least one switch for activation of the transmitter, said switch having an operational mode and a standby mode; means for transmitting the code word to the controller and activated upon transition of the switch from the operational mode to the standby mode; and, using the same switch or switches both for selecting the channel group and for transmitting channel commands.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.