Parking aid

Details Parking aid Parking aid

1979-07-09

1981-09-08

Caldwell, Sr., John W.

Communications: electrical

Selective

Having indication or alarm

340 61, 200 6141, 200 6149, 200 22, 200 23, 200 25, G08G 114, H01H 316, H01H 1900

Patent

active

042887771

ABSTRACT:
A parking aid generates a signal when a vehicle approaches an obstacle, e.g., a garage wall, on which the parking aid is mounted. The distance of the vehicle to the obstacle, at which the aid will produce the optical and/or acoustical signal, can be adjustable or fixed.

REFERENCES:
patent: 2454896 (1948-11-01), Traub
patent: 3219972 (1965-11-01), Williams
patent: 3820065 (1974-06-01), Koplewicz et al.
patent: 3835279 (1974-09-01), Andreas
patent: 3922638 (1975-11-01), Mendelsohn
patent: 4101868 (1978-07-01), Bubnich et al.
patent: 4145681 (1979-03-01), Bubnich et al.

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