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ELECTROMAGNETIC TRANSDUCER APPARATUS USING DC MAGNET INPUT AND ELECTROMAGNETIC PICKUP COIL OUTPUT
US 3,530,323 A
Filed
: 06/05/1969
Issued
: 09/22/1970
Est. Priority Date
: 06/05/1969
Status: Expired due to Term
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Current Assignee
Applequist, Roy A.
Original Assignee
Applequist, Roy A.
Inventors
Applequist, Roy A.
Application Number
US04/830,627
Time in Patent Office
474 Days
Field of Search
US Class Current
310/168
CPC Class Codes
G01D 5/20
by varying inductance, e.g....
G11B 27/24
by sensing features on the ...
H03M 1/00
Analogue/digital conversion...
H03M 1/48
Servo-type converters
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