Large capacity closed-loop delay apparatus
United States Patent 3047844
US Patent References:
Magnetic recording device
- - 2870265

Sound reproducing system
- - 2910298


Inventors:
Armstrong, Philip N.
Publication Date:
07/31/1962
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Assignee:
HUGHES AIRCRAFT CO
Primary Class:
360/7
Other Classes:
242/327.400, 242/324.100, 360/89
International Classes:
G11B15/70; G11B27/10; G11B15/00