Wide-angle optical system

Details Wide-angle optical system Wide-angle optical system

1996-10-10

1999-02-02

Nguyen, Thong

Optical: systems and elements

Single channel simultaneously to or from plural channels

359419, 359431, 359504, G02B 2710, G02B 700, G02B 2300

Patent

active

058673180

ABSTRACT:
An optical system affords wide-angle imaging with a width in azimuth and a height in elevation respectively greater than and less than those of the field of view of an imaging device to which it is fitted. A median optical axis images a central format view on the optical axis of the imaging device, and two lateral optical paths image two lateral format views on a bearing axis at a bearing angle to the optical axis equal to the width in azimuth of the field of view of the imaging device. The three paths juxtaposed in the wide-angle field of view are superposed into a resultant format image.

REFERENCES:
patent: 4750810 (1988-06-01), Tomlin et al.
patent: 4910395 (1990-03-01), Frankel
patent: 5408553 (1995-04-01), English, Jr. et al.
patent: 5557475 (1996-09-01), Nightingale et al.
patent: 5581409 (1996-12-01), Ruben

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