Security arrangement
First Claim
1. A building security arrangement comprising a control module, an alarm and a multiplicity of stations, at least one station including a lock, wherein each lock is arranged to be actuated upon receipt of a control signal from the control module and wherein said stations include a detector adapted to provide a status signal indicative of a status of the station, a radio frequency transceiver for transmitting and receiving control signals from the control module, and a control signal modifier for modifying the control signal received by the station, the control module being arranged to actuate the alarm upon detection of a predetermined status of a station, whereby the stations are successively interrogated by the control module, and wherein at least one station is arranged to receive a control signal from a first adjacent station, to modify said control signal to indicate the status of the station, and to transmit the control signal to a second adjacent station.
1 Assignment
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Accused Products
Abstract
A security arrangement for a building comprises a control module, an alarm and a multiplicity of stations each station being actuated upon receipt of a signal from the control module, each station incorporating a detector adapted to provide a signal indicative of the status of the station, the stations further comprising locks or other security devices, the control module being arranged to actuate the alarm on detection of unauthorized status of the station.
239 Citations
13 Claims
- 1. A building security arrangement comprising a control module, an alarm and a multiplicity of stations, at least one station including a lock, wherein each lock is arranged to be actuated upon receipt of a control signal from the control module and wherein said stations include a detector adapted to provide a status signal indicative of a status of the station, a radio frequency transceiver for transmitting and receiving control signals from the control module, and a control signal modifier for modifying the control signal received by the station, the control module being arranged to actuate the alarm upon detection of a predetermined status of a station, whereby the stations are successively interrogated by the control module, and wherein at least one station is arranged to receive a control signal from a first adjacent station, to modify said control signal to indicate the status of the station, and to transmit the control signal to a second adjacent station.
Specification