Automatic record player
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 28, 1980
Grant Date -
N/A
app pub date -
Sep 26, 1978
filing date -
Sep 26, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A nonrecorded section detection sensor is driven to scan a disc surface to determine addresses of each nonrecorded portions provided between two adjacent tracks. A selection keyboard is provided for selecting a desired track or desired tracks to be played. A random access memory stores the addresses of the beginning portion and the ending portion of the selected track. A control means functions to locate a pickup cartridge at the address of the beginning portion of the selected track to perform the play operation. When the play operation is conducted to the address of the ending portion of the selected track, the pickup cartridge is driven to travel upward to terminate the play operation.
First Claim
Family
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Cited Art Landscape
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