Telecommunications – Receiver or analog modulated signal frequency converter – Cabinet – housing – or chassis structure
Patent
1988-07-21
1991-11-05
Olms, Douglas W.
Telecommunications
Receiver or analog modulated signal frequency converter
Cabinet, housing, or chassis structure
455345, 455 90, 455352, H04B 108
Patent
active
050636111
ABSTRACT:
To prevent theft of a car radio (R), the radio unit itself is located in the vehicle (V) in a suitable secure location. The radio is controlled by a two-part control unit, in which one part of the control unit forms a connection part (1), secured to the vehicle, for example, by a goose-neck (5) or the like, and the other part forming a control part (21) which is separable from the connection part. Interengaging dovetail track-and-groove connections permit ready removal of the control part (21) from the connection part, so that a user may remove the control part, and thus not leave any indication in the vehicle that it contains a car radio. The control part contains the necessary control buttons and display functions to operate and control the car radio, the connection part merely including a plurality of contact terminals which, with the control part removed, are depressed below a top surface of a housing (2, 3) of the connection part.
REFERENCES:
patent: 3617985 (1971-11-01), Kehl
patent: 4124815 (1978-11-01), Stoschek
patent: 4153877 (1979-05-01), Fathauer et al.
patent: 4194157 (1980-03-01), Uno
patent: 4286335 (1981-08-01), Eichler et al.
patent: 4481512 (1984-11-01), Tscheulin et al.
patent: 4578739 (1986-03-01), McKee et al.
Blaupunkt Werke GmbH
Olms Douglas W.
Smith Ralph
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