Surveillance devices

Details Surveillance devices Surveillance devices

1994-01-14

1996-02-27

Dzierzynski, Paul M.

Optical: systems and elements

Compound lens system

Telescope

359401, 359403, 359405, G03B 1748, G03B 2308, G03B 508

Patent

active

054953707

ABSTRACT:
A surveillance device in the form of a fake radio aerial which projects from the roof of a vehicle. There is an upright periscope in the aerial which can rotate through 360.degree.. In the vehicle the light from the periscope is bent through 90.degree. and viewed by a camera all of which fits in the headliner space of the vehicle and so is not visible.

REFERENCES:
patent: 784852 (1905-03-01), Goerz
patent: 1452263 (1936-08-01), Belden
patent: 3796478 (1974-03-01), Dierkes
patent: 3801187 (1974-04-01), McMichael
patent: 4161352 (1979-07-01), Felix et al.
patent: 4580886 (1986-04-01), Hajnal
patent: 4644845 (1987-02-01), Garehime, Jr.
patent: 4977323 (1990-12-01), Jehle

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