Image projecting unit

Details Image projecting unit Image projecting unit

1992-05-27

1993-10-05

Cuchlinski, Jr., William A.

Optics: image projectors

Lens support

Lens position adjustable

358 60, 358231, 353122, H04N 574

Patent

active

052509680

ABSTRACT:
An image projecting unit is shown which comprises a structure having a display surface on which a visual image is displayed, and a lens assembly movably arranged in front of the display surface of the structure. The lens assembly has a rearmost lens which faces the display surface. A bellows is disposed between the display surface and the rearmost lens to define therebetween a sealed space, and a liquid is contained in the sealed space to optically connect the display surface and the rearmost lens.

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patent: 4810075 (1989-03-01), Fukuda
patent: 4982289 (1991-01-01), Mitani et al.
patent: 5045930 (1991-09-01), Hasegawa
patent: 5168351 (1992-12-01), Bradley et al.

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