1976-03-25
1978-09-19
Haroian, Harry N.
Undertaking
G11B 306
Patent
active
041148932
ABSTRACT:
Gramophone equipment incorporating photoelectric scanning to detect bands between record tracks; an electronic counter to count the detected bands; a selector for making track selections; an electronic memory for storing selections; control circuitry for comparing the contents of the counter and memory to control a tone arm of the equipment to play selected tracks and lift from a record at the end of a selection; and a tone arm drive comprising means for lifting and lowering the arm and means for driving the arm laterally under control of the control circuitry.
REFERENCES:
patent: 3174754 (1965-03-01), Puls
patent: 3499652 (1970-03-01), Holl
patent: 3599988 (1971-08-01), Norris
patent: 3854730 (1974-12-01), Takizawa
patent: 3937903 (1976-02-01), Osann
Duffy Neil David
Leach Leslie Alan
Riddoch Henry Jamieson
Gopstein Israel
Haroian Harry N.
Liss Morris
Pico Electronics Limited
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