Sighting device for surveillance camera

Details Sighting device for surveillance camera Sighting device for surveillance camera

1978-11-20

1980-08-12

Stephan, Steven L.

Geometrical instruments

Straight-line light ray type

Structurally installed

354199, 354219, 354295, 358224, G01B 1302, G03B 1302, G03B 1100, H04N 530

Patent

active

042165890

ABSTRACT:
A temporary sighting device which can be used on a surveillance camera during installation and adjustment, and which includes front and rear spaced apart, parallel walls, each of which contains a window provided with cross-hairs, whereby lines of sight extending through an intersection of the cross-hairs in the rear window and about the outer perimeter of the front window define the field of view of the camera. In the preferred form, the sighting device is produced from paper card stock and is foldable to a collapsed, flat position for shipping purposes.

REFERENCES:
patent: 783665 (1905-02-01), Avril
patent: 2048365 (1936-07-01), Agate et al.
patent: 2747282 (1956-05-01), Lea

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