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Shaft-position determining apparatus
US 2,944,157 A
Filed
: 11/22/1954
Issued
: 07/05/1960
Est. Priority Date
: 11/30/1953
Status: Expired due to Term
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19
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Current Assignee
Loudon Mcauslan James Hay
,
William Nock
Original Assignee
Loudon Mcauslan James Hay
,
William Nock
Inventors
LOUDON MCAUSLAN JAMES HAY
,
Nock, William
Application Number
US03/470,440
Time in Patent Office
2,052 Days
Field of Search
US Class Current
250/233
CPC Class Codes
G01B 7/00
Measuring arrangements char...
G01D 5/245
using a variable number of ...
G01D 5/363
Direction discrimination
G01D 5/39
Scanning a visible indicati...
G01G 23/361
using photoelectric cells
G01G 23/375
during the movement of a co...
G01P 13/02
Indicating direction only, ...
G06M 1/272
using photoelectric means
G08C 19/00
Electric signal transmissio...
Y10S 177/06
Photoelectric
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