Antitheft device for car stereo
US4848716A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jul 28, 1988 |
| Grant date | Jul 18, 1989 |
| Priority date | — |
| Expiry date | Jul 28, 2008 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60R2011/0098
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An antitheft device for a car stereo mounted in the dashboard of a motor vehicle having bores extending through the front panel of its cabinet, the device comprising (i) release pins insertable through the respective bores, (ii) a latch plate movably attached to a side face of the cabinet to engage with a portion of the dashboard and disengageable therefrom be being moved by contact with the release pins when the release pins are inserted through the respective bores to thereby render the car stereo removable from the dashboard, (iii) a blocking plate for openably blocking a space between the latch plate and the bores, (iv) electromagnet form opening the blocking plate with an electromagnetic force, and (v) control circuit for controlling the operation of the electromagnet to hold the circuit out of operation at least while the engine key of the motor vehicle is not turned to "ON" position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.