Back to results
US 8,264,346 B2Granted
Method and apparatus for providing graduated annunciation of an impending alarm in a security system
AssigneeRobert Bosch GmbH
InventorsDennis Petricoin, Steven A Markham, Craig A Hayden, Dennis M Caler
Life of this patent
Estimating the term…
Abstract
A method of operating a security system includes sensing a security breach, and providing an indication to a user that an alarm signal will be issued in response to the sensing of the security breach. The indication perceptibly changes with time.
Claims28
A method of operating a security system, said method comprising the steps of:
- sensing a security breach;
- and
- providing an indication to a user that an alarm signal will be issued in response to said sensing step, the indication perceptibly changing with time.
A security system comprising:
- a sensor configured to sense a security breach and transmit a detection signal dependent thereon;
- and
- an indicating device configured to provide an indication to a user that an alarm signal will be issued in response to the detection signal, the indication perceptibly changing with time.
A method of operating a security system, said method comprising the steps of:
- sensing a security breach;
- and
- providing an indication to a user that an alarm signal will be issued in response to said sensing step, the indication perceptibly changing with time to thereby indicate to the user at least one of:
- a period of time elapsed since said sensing step;
- and
- a period of time before the alarm signal will be issued.
3 more elements
Dependencies are inferred from the claim text.