Security installation
First Claim
1. A security installation, especially as door-locking or theft protection of a motor vehicle, comprising plural portable transmitter means and a receiver means for a code signal arranged at the object to be secured, said code signal being changeable at least in part, and code signal storage means in each of the plural transmitter means and receiver means, characterized in that the code signal of a first of the plural transmitter means is changeable at will upon command and is operable to be written into its associated storage means and said first of the plural transmitting means being operable upon instruction to change the code signal stored in another transmitter signal storage means to the code signal stored in said first transmitter associated storage means.
1 Assignment
0 Petitions
Accused Products
Abstract
A security installation with a portable transmitter and a receiver arranged at the object to be protected for an IR, respectively, UHF code signal which is changeable at least in part; alone the code signal of the transmitter can be changed upon random command and can be written into the associated storage device of the transmitter.
128 Citations
9 Claims
- 1. A security installation, especially as door-locking or theft protection of a motor vehicle, comprising plural portable transmitter means and a receiver means for a code signal arranged at the object to be secured, said code signal being changeable at least in part, and code signal storage means in each of the plural transmitter means and receiver means, characterized in that the code signal of a first of the plural transmitter means is changeable at will upon command and is operable to be written into its associated storage means and said first of the plural transmitting means being operable upon instruction to change the code signal stored in another transmitter signal storage means to the code signal stored in said first transmitter associated storage means.
Specification
-
- Resources
-
Current AssigneeBayerische Motoren Werke AG
-
Original AssigneeBayerische Motoren Werke AG
-
InventorsProske, Arnost, Tigges, Michael, Weishaupt, Walter
-
Primary Examiner(s)Crosland, Donnie L.
-
Application NumberUS06/539,960Time in Patent Office1,264 DaysField of Search340/539, 340/534, 340/535, 340/542, 340/543, 340/825.44, 340/825.5, 340/63, 340/64, 340/825.69, 340/825.72, 340/825.22, 340/696, 340/825.31, 180/167, 180/287, 361/171, 361/172, 455/151, 455/92US Class Current340/426.14CPC Class CodesG07C 2009/00785 by lightG07C 2009/00865 remotely by wireless commun...G07C 2009/00888 programming by learningG07C 9/00182 operated with unidirectiona...G07C 9/00857 where the code of the data ...
