Optical: systems and elements – Single channel simultaneously to or from plural channels – By surface composed of lenticular elements
Patent
1990-11-13
1992-06-09
Arnold, Bruce Y.
Optical: systems and elements
Single channel simultaneously to or from plural channels
By surface composed of lenticular elements
359620, 359738, G02B 1324
Patent
active
051212544
ABSTRACT:
An image transmitting element and process for producing a photo-shield spacer plate used for the image transmitting element are disclosed. The image transmitting element comprises: a lens array plate comprising micro-lenses one-dimensionally or two-dimensionally formed as an array on a transparent substrate; and a photo-shield spacer plate joined with the lens array plate on one surface thereof, the photo-shield spacer plate comprising an array of photo-transmissible holes formed therein each corresponding to the micro-lenses, respectively, at least a part or the whole of an inner wall of each of the photo-tranmissible holes being a photo-absorptive surface, the photo-shield spacer plate comprising a pair of members each having grooves each forming a longitudinally divided half of the respective photo-transmissible holes, the pair of members being joined and contact with each other so that the grooves of one of the pair of members are made to accord with the grooves of the other of the pair of members so as to form the photo-transmissible holes.
REFERENCES:
patent: 3426147 (1969-02-01), McNaney
patent: 3716445 (1973-02-01), Lemelson
patent: 3739173 (1973-06-01), Broussaud
patent: 3827783 (1974-08-01), Lemelson
patent: 4156555 (1979-05-01), McMahon
patent: 4402572 (1983-09-01), Tsunoda et al.
patent: 4611124 (1986-09-01), Schneider
Hamanaka Kenjiro
Kishimoto Takashi
Sono Kenzo
Arnold Bruce Y.
Lerner Martin
Nippon Sheet Glass Co. Ltd.
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