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MAGNETIC RECORDING AND REPRODUCING SYSTEM
US 3,511,940 A
Filed
: 09/24/1963
Issued
: 05/12/1970
Est. Priority Date
: 06/14/1955
Status: Expired due to Term
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Current Assignee
Jerome H. Lemelson
Original Assignee
Jerome H. Lemelson
Inventors
Lemelson, Jerome H.
Application Number
US04/311,252
Time in Patent Office
2,422 Days
Field of Search
US Class Current
360/92.1
CPC Class Codes
B07C 3/18
Devices or arrangements for...
G06K 17/00
Methods or arrangements for...
G06K 7/084
sensing magnetic material b...
G07C 9/257
electronically G07C9/26 tak...
G11B 15/1891
the record carrier being en...
G11B 15/683
wherein the recorder or pla...
G11B 15/6875
wherein the recorder or pla...
G11B 15/6895
Automatic tape changing arr...
G11B 2220/41
Flat as opposed to hierarch...
G11B 2220/90
Tape-like record carriers
G11B 27/107
of operating tapes
G11B 27/28
by using information signal...
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