Matches 1 - 12 out of 12
Match Document Document Title
7109022 Composition containing calcium carbonate particles dispersed in sulfur for removing nitrate nitrogen  
This invention relates to a denitrifying composition which is a material to be used for decomposing nitrates nitrogen in effluent by sulfur-oxidizing bacteria that consume sulfur and carbonate as...
EP0541772B1 A PERSONAL COMMUNICATIONS DEVICE HAVING REMOTE CONTROL CAPABILITY  
Abstract not available for EP0541772 Abstract of corresponding document: US5201067 A personal communications device (100) includes a wireless transceiver (206, 207, 208) to allow a two-way...
5669067 Remotely controllable variable intermediate frequency transceiver  
A transceiver and method of tuning a transceiver having a remote unit and a local unit. The remote unit includes a modulation section having a transmit frequency synthesizer and a receive frequency...
5466374 Process for treating organically polluted water  
A process for purifying organically polluted water containing organic nutrients for microorganisms, the process including (a) mixing the organically polluted water intensively with ozone in an...
5201067 Personal communications device having remote control capability  
A personal communications device (100) includes a wireless transceiver (206, 207, 208) to allow a two-way exchange of user information, and to allow down loading of remote control signalling...
5170499 Method and apparatus for adjusting the volume level of a radio  
Radios (104) are commanded to determine the ambient sound level. A code representing the ambient sound level is transmitted to a calling radio (104c) or base unit 102, that determines whether to...
4788541 Signal communication system  
A signal communication system provided in a board device has a signal input/output terminal board having a plurality of input/output terminals. When a signal is communicated between two board...
4726051 Cordless telephone  
A cordless telephone is described comprising a fixed part which includes a reception section for receiving exact reception channel frequencies lying in a predetermined frequency range at equal...
4426733 Voice-controlled operator-interacting radio transceiver  
A voice-controlled, operator-interacting radio transceiver has a transceiver for transmitting and receiving radio frequency signals under plural potential operating conditions including on/off,...
4328578 Digital receiver/transceiver synchronization pulse detector for a multiplexing system  
A radio transceiver is disclosed having manual controls on a microphone and the remainder of the circuitry located in a main chassis. The microphone and chassis are connected by means of a...
4322855 Remote control apparatus  
A remote control apparatus having a commander and a receiver. In a wireless remote control system for a television receiver having a channel command device and a responding device, the channel...
4317222 Transceiver/receiver information multiplexing system  
A radio transceiver is disclosed having manual controls on a microphone and the remainder of the circuitry located in a main chassis. The microphone and chassis are connected by means of a...
Matches 1 - 12 out of 12