Color television camera incorporating a color resolving prism sy

Details Color television camera incorporating a color resolving prism sy Color television camera incorporating a color resolving prism sy

1988-04-19

1989-08-15

Groody, James J.

Facsimile and static presentation processing

Static presentation processing

Attribute control

350173, H04N 9097, G02B 2714

Patent

active

048579971

ABSTRACT:
In a television camera having a color resolving prism system for forming monochromatic images on the image pickup surfaces of a plurality of image pickup devices by an objective lens the color resolving prism system has first, second, third and fourth prisms as is named in the order from a side of the objective lens along the optic axis of the objective lens, the first and second prisms, with their refracting angles opening in opposite directions, are edisposed with an air layer interposed therebetween or are joined together with a dichroic layer interposed therebetween, the second and third prisms are disposed with an air layer interposed therebetween, the third and fourth prisms are joined together with a second dichroic layer interposed therebetween, and the values of the refracting angles of the first .theta..sub.10 or .theta..sub.21), second .theta..sub.10 +.theta..sub.11 or .theta..sub.22, third .theta..sub.23 and fourth .theta..sub.24 prisms satisfy the following conditions:

REFERENCES:
patent: 3932027 (1976-01-01), Cook et al.
patent: 4236177 (1980-11-01), Ohshima et al.
patent: 4262305 (1981-04-01), Sekiguchi et al.
T. Katsuta et al., "New Type Color TV Camera with Improved Optical System", Colloque International sur la Television en Couleur-Aspects Scientifiques et Techniques, Paris, Mar. 25-29, 1968, pp. 1-16.
W. E. Turk, "A Review of Television Camera Tubes", English Electric Journal, vol. 23, No. 5, Sep./Oct. 1968, pp. 34-39.
D. W. Tenquist et al., University Optics, vol. 1, Iliffe Books Ltd., London, 1969, pp. 119-120.
L. W. Germany et al., "Reflections of a Camera Designer", New Camera Technology and Digital Techniques-Television Technology in the 80's, pp. 89-103.

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