Vehicle security system with multi-sound pattern alarm and assoc

Details Vehicle security system with multi-sound pattern alarm and assoc Vehicle security system with multi-sound pattern alarm and assoc

1999-08-13

2000-10-10

Hofsass, Jeffery A.

Communications: electrical

Land vehicle alarms or indicators

Of burglary or unauthorized use

3403841, 3403843, 3403845, 340328, 340329, B60R 2510

Patent

active

061306053

ABSTRACT:
A vehicle security system includes an audible alarm indicator, and a controller to generate an alarm indication comprising a plurality of distinguishable sound patterns. The sound patterns overlap in time yet are audibly distinguishable from one another to thereby create an illusion of multiple alarms. Accordingly, a would-be thief may be convinced that multiple vehicle alarms have been triggered and, thus, that more than one vehicle owner may be alerted. The vehicle security system may include at least one vehicle security sensor, and the controller is preferably responsive to the sensor to generate the audible alarm indication. The distinguishable sound patterns may be different from one another. In some other embodiments, at least two of the distinguishable sound patterns are the same sound patterns, but which are out of phase with one another to provide the illusion of multiple alarms. Each of the distinguishable sound patterns preferably includes successive repetitive portions. For example, each of the distinguishable sound patterns may include repetitive changes in at least one of frequency and volume.

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patent: 5923256 (1999-07-01), Satake et al.

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