Vehicle security system having transmitter verification and pseudorandom coding features and related methods
First Claim
1. A vehicle security system comprising:
- at least one vehicle sensor;
an alarm indicator for indicating an alarm; and
a controller operatively connected to said at least one vehicle sensor and said alarm indicator, and being switchable between an armed mode and a disarmed mode responsive to receiving a pseudorandomly coded signal from a remote transmitter, said controller in the armed mode being capable of generating an alarm responsive to triggering of said at least one vehicle sensor, said controller in the disarmed mode preventing generation of an alarm responsive to triggering of said at least on vehicle sensor, said controller further comprisingremote transmitter adding means for permitting addition of a coded remote transmitter capable of generating a pseudorandomly coded signal for switching said controller to the disarmed mode, andremote transmitter verification means for generating a signal based upon a number of coded remote transmitters capable of generating a pseudorandomly coded signal for switching said controller between the armed and disarmed modes.
1 Assignment
0 Petitions
Accused Products
Abstract
A vehicle security system includes a controller comprising a pseudorandom decoder for decoding a pseudorandomly coded signal from a remote transmitter, a remote transmitter adding feature for permitting addition of a coded remote transmitter capable of generating a pseudorandomly coded signal for operating the controller, and a remote transmitter verification feature for generating a signal based upon a number of coded remote transmitters capable of generating a pseudorandomly coded signal for operating the controller. The controller may be switchable between armed and disarmed modes responsive to the coded remote transmitter, and may generate an alarm responsive to a vehicle security sensor when in the armed mode. The controller may alternately generate door lock and unlock commands responsive to the coded remote transmitter.
51 Citations
32 Claims
-
1. A vehicle security system comprising:
-
at least one vehicle sensor; an alarm indicator for indicating an alarm; and a controller operatively connected to said at least one vehicle sensor and said alarm indicator, and being switchable between an armed mode and a disarmed mode responsive to receiving a pseudorandomly coded signal from a remote transmitter, said controller in the armed mode being capable of generating an alarm responsive to triggering of said at least one vehicle sensor, said controller in the disarmed mode preventing generation of an alarm responsive to triggering of said at least on vehicle sensor, said controller further comprising remote transmitter adding means for permitting addition of a coded remote transmitter capable of generating a pseudorandomly coded signal for switching said controller to the disarmed mode, and remote transmitter verification means for generating a signal based upon a number of coded remote transmitters capable of generating a pseudorandomly coded signal for switching said controller between the armed and disarmed modes. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
-
-
9. A vehicle security system comprising:
-
at least one remote transmitter for generating a pseudorandomly coded signal; at least one vehicle sensor; an alarm indicator for indicating an alarm; and a controller operatively connected to said at least one vehicle sensor and said alarm indicator, and being switchable between an armed mode and a disarmed mode responsive to receiving a pseudorandomly coded signal from the at least one remote transmitter, said controller in the armed mode being capable of generating an alarm responsive to triggering of said at least on vehicle sensor, said controller in the disarmed mode preventing generation of an alarm responsive to triggering of said at least one vehicle sensor, said controller further comprising remote transmitter adding means for permitting addition of a coded remote transmitter capable of generating a pseudorandomly coded signal for switching said controller to the disarmed mode, and deleting means for permitting deletion of at least one coded remote transmitter from being able to switch said controller from the armed mode to the disarmed mode, and remote transmitter verification means for generating a signal based upon a number of coded remote transmitters capable of generating a pseudorandomly coded signal for switching said controller between the armed and disarmed modes. - View Dependent Claims (10, 11, 12, 13, 14)
-
-
15. A vehicle security system controller comprising:
-
a pseudorandom decoder for decoding a pseudorandomly coded signal from a remote transmitter; remote transmitter adding means for permitting addition of a coded remote transmitter capable of generating a pseudorandomly coded signal for operating the controller; and remote transmitter verification means for generating a signal based upon a number of coded remote transmitters capable of generating a pseudorandomly coded signal for operating the controller. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23)
-
-
24. A method for operating a vehicle security system comprising the steps of:
-
receiving pseudorandomly coded signals from at least one remote transmitter to cause performance of at least one vehicle security function; and generating an indication based upon a number of coded remote transmitters capable of generating a pseudorandomly coded signal to cause performance of the at least one vehicle security function. - View Dependent Claims (25, 26, 27, 28, 29, 30, 31, 32)
-
Specification