초록 ▼

A cellular network data transmission system including a digital communicator having a memory in which data is stored and an automatic dialer at a specific location for responding to an electrical signal indicating a specific condition exists, a cellular interface connected to the digital communicato

A cellular network data transmission system including a digital communicator having a memory in which data is stored and an automatic dialer at a specific location for responding to an electrical signal indicating a specific condition exists, a cellular interface connected to the digital communicator and a cellular transceiver having an antenna, connected to the cellular interface, a cellular network including a central computer and an antenna for receiving signals from the transceiver antenna and for transmitting such signals from the central cellular computer site to a central monitoring station whereby the occurrence of a specific condition at the specific location initiates the dialing of an assigned number by the automatic dialer and the transmission of data corresponding to the specific location from the memory through the interface, transceiver and cellular network to the central monitoring station, the cellular network also adapted to receive signals initiated by the central monitoring station and to transmit such signals from the central cellular computer site to the transceiver antenna, whereby such signals are sent through the cellular network, transceiver and interface to the digital dialer and digital communicator.

대표청구항 ▼

A system for transmitting data from a specific location such as from a subscriber\s premises to a central cellular network comprising, in combination, at least one alarm circuit for responding to a specific condition at said specific location for generating an electrical signal in response to said s

A system for transmitting data from a specific location such as from a subscriber\s premises to a central cellular network comprising, in combination, at least one alarm circuit for responding to a specific condition at said specific location for generating an electrical signal in response to said specific condition, a digital communicator including programmable means and an automatic digital dialer, means for connecting said alarm circuit to said digital communicator, a cellular interface, means for connecting said digital communicator to said cellular interface, a cellular transceiver having an antenna, a central cellular network having an antenna in telecommunication with said transceiver antenna and means for connecting said cellular interface with said cellular transceiver whereby data from said programmable means is transmitted over-the-air to said central cellular network in response to said specific condition, and said system further comprising a first alarm monitoring station and a telephone land line connecting said first alarm monitoring station to said central cellular network antenna and a second alarm monitoring station which includes means to connect the second alarm monitoring station to said first alarm monitoring station over-the-air via said cellular network.