Combination cabinet for audio-visual teaching

Details Combination cabinet for audio-visual teaching Combination cabinet for audio-visual teaching

1975-11-14

1977-09-06

Gilliam, Paul R.

Supports: cabinet structure

Disappearing-instrument type

On swingable link or linkage

312 7TV, 312196, 35 60, 350276R, A47B 8106, G03B 2128

Patent

active

040464377

ABSTRACT:
A combination cabinet for audio-visual teaching comprises a projection screen which is mounted for pivoting into an operational position in which it receives by rear projection an image from a projector after reflection of the image light rays by a mirror within the cabinet, and further comprises a pivoting console housing an audio-signal reproducer, the console pivoting from a position in which the reproducer is within the cabinet to a position in which the reproducer controls are presented to an operator, preferably on the same side of the cabinet as the projector controls. A loudspeaker, supplied from the audio-signal reproducer, is mounted in the front face of the cabinet.

REFERENCES:
patent: 1827598 (1931-10-01), Merriman
patent: 2082170 (1937-06-01), McRae
patent: 2238267 (1941-04-01), Katz
patent: 2304490 (1942-12-01), Yoder
patent: 2413922 (1947-01-01), Jensen et al.
patent: 2477923 (1949-08-01), Fitt
patent: 2821109 (1958-01-01), Nicol
patent: 3471947 (1969-10-01), Genser
patent: 3728801 (1973-04-01), Beckman et al.
patent: 3728801 (1973-04-01), Beckman

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