Random access control apparatus and method for slide projector

Details Random access control apparatus and method for slide projector Random access control apparatus and method for slide projector

1981-12-31

1984-09-11

Stephan, Steven L.

Optics: image projectors

With sound accompaniment

34082556, 353 25, 353103, 353117, 360 80, 434314, 434316, G03B 3100, G03B 2306, G11B 3100

Patent

active

044706758

ABSTRACT:
Random access slide projector apparatus is provided for the random access presentation of slide programs. The random access apparatus is responsive to an encoded program tape or to input signals from a local or remote keyboard. The encoded program tape includes predetermined slide address signals as burst format signals corresponding to desired slide positions in the slide tray. The random access apparatus decodes the encoded slide address signals and generates appropriate control outputs to move the slide tray to the desired programmed slide position and project the desired slides. The random access apparatus also provides for the recording of slide address signals in accordance with keyboard entries to prepare random access program tapes. The program tape includes one track for the recording of encoded slide address signals and a second synchronized track for narrative program information to accompany the slide program.

REFERENCES:
patent: 3243780 (1966-03-01), Bendick
patent: 4041457 (1977-08-01), Koch
patent: 4075668 (1978-02-01), Keach
patent: 4080637 (1978-03-01), Chase et al.
patent: 4363055 (1982-12-01), Lee

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