Burglarproofing device for a car-carried acoustic apparatus
First Claim
1. A burglarproofing device for a car-carried acoustic apparatus, comprising:
- a portable controller having memory means in which a pass number or word is sorted and data outputting means connected to said memory means located at a predetermined position on said controller;
said car-carried acoustic apparatus having a receiving hole for receiving said controller inserted therein, and including data inputting means located at a predetermined position in said receiving hole in opposing relationship to said data outputting means of said controller when said controller is inserted in said receiving hole, discriminating means for discriminating coincidence between the pass number of word read out from said controller through said data outputting means to said data inputting means and a verification number or word previously stored in said discriminating means, and enabling means responsive only to a coincidence signal received from said discriminating means for enabling operation of said car-carried acoustic apparatus,whereby said car-carried acoustic apparatus is rendered operative only when said controller has been inserted into said receiving hole of said car-carried acoustic apparatus and the pass number or word thereof coincides with said previously stored verification number or word.
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Accused Products
Abstract
A burglarproofing device for a car-carried acoustic apparatus prevents operation of the car-carried acoustic apparatus if the apparatus is stolen. The device allows only an owner of a car who holds a controller to render the apparatus operative. The controller is in the form of a card having keys for entering a pass number and a memory for storing a pass number thus entered. The pass number is transmitted to the car-carried acoustic apparatus when the controller is inserted into a hole formed in the car-carried acoustic apparatus, and is compared with a verification number stored in discriminating means, and only when coincidence is found, is power made available to the apparatus.
26 Citations
10 Claims
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1. A burglarproofing device for a car-carried acoustic apparatus, comprising:
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a portable controller having memory means in which a pass number or word is sorted and data outputting means connected to said memory means located at a predetermined position on said controller; said car-carried acoustic apparatus having a receiving hole for receiving said controller inserted therein, and including data inputting means located at a predetermined position in said receiving hole in opposing relationship to said data outputting means of said controller when said controller is inserted in said receiving hole, discriminating means for discriminating coincidence between the pass number of word read out from said controller through said data outputting means to said data inputting means and a verification number or word previously stored in said discriminating means, and enabling means responsive only to a coincidence signal received from said discriminating means for enabling operation of said car-carried acoustic apparatus, whereby said car-carried acoustic apparatus is rendered operative only when said controller has been inserted into said receiving hole of said car-carried acoustic apparatus and the pass number or word thereof coincides with said previously stored verification number or word. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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Specification