1
James L Smith, Gregory M Howison: Alarm system utilizing wireless communication path. Cableguard, Ross Howison Clapp & Korn, February 12, 1991: US04993059 (196 worldwide citation)

An alarm system for a protected premises includes an alarm sensor for generating an alarm signal in the event of an alarm condition. A cellular-type radio/telephone transceiver is located at the protected premises and includes circuitry for generating and transmitting a unique identification number ...


2
Howison Gregory M, Smith James L: Alarm system utilizing wireless communication path.. Cableguard, August 16, 1990: EP0382544-A2 (4 worldwide citation)

An alarm system for a protected premises includes an alarm sensor (22) for generating an alarm signal in the event of an alarm condition. A cellular-type radio/telephone transceiver (40) is located at the protected premises and includes circuitry for generating and transmitting a unique identificati ...


3
Wiese Antonie Hendrik Jacobus, Castillo Alvaro Bernardo Tafur: Mobile telephone device. Cableguard, zhang tianshu, September 21, 2005: CN03816483

The present invention relates to a mobile telephone device ( 30 ) including a single transceiver ( 33 ) for connecting the telephone device to a mobile telephone network and a controller coupled to the transceiver, the controller operative to place the mobile telephone device in either a telephone c ...