Image pick-up device, image display device and information recor

Details Image pick-up device, image display device and information recor Image pick-up device, image display device and information recor

1999-04-28

2000-10-03

Epps, Georgia

Optical: systems and elements

Lens

Reverse telephoto

359672, G02B 1304

Patent

active

06128145&

ABSTRACT:
An image is picked up by a camera comprising a fisheye lens having a relationship of h=n.multidot.f.multidot.tan(.theta./m), wherein h is the height of an image of a subject at a certain point, f is the focal distance of the fisheye lens, .theta. is a field angle, m has a value of 1.6.ltoreq.m.ltoreq.3, and n has a value of m-0.4.ltoreq.n.ltoreq.m+0.4, and the image data of which is output from the camera, is converted into a plane image by an image data processing unit, and this converted image is then output to a monitor unit. Preferably, n and m both equal 2.

REFERENCES:
patent: 4400063 (1983-08-01), Hayashida
patent: 5121099 (1992-06-01), Hegg et al.
patent: 5502592 (1996-03-01), Jamieson

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