Light pipe image display

Details Light pipe image display Light pipe image display

1976-10-26

1978-04-18

Griffin, Robert L.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358200, 358901, H04N 912, H04N 302

Patent

active

040854205

ABSTRACT:
Apparatus for displaying at a screen area a light image taken from an image source using light pipes to transmit component elements of the source image which are arranged in a pattern at the screen area to compose the display image on an enlarged scale, the light pipes being spaced apart at the screen area to provide the desired enlargement of the displayed image and to leave interstices through which sound can pass from a loudspeaker behind the screen, the image source being either a complete image whose component elements are continuously present, a scanned image where only part of the elements are actually present at the source at one time, or scanned series of individual image elements appearing successively in time, the necessary persistence to compose a complete image being in the observer's eye or being present in the apparatus as a luminescent substance added to the display screen or to the light pipes.

REFERENCES:
patent: RE29094 (1976-12-01), Price
patent: 2354591 (1944-07-01), Goldsmith
patent: 2996634 (1961-08-01), Woodcock
patent: 3130026 (1964-04-01), Manning
patent: 3255357 (1966-06-01), Kapany et al.
patent: 3267209 (1966-08-01), Nagamori et al.
patent: 3621133 (1971-11-01), Baker et al.

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