Electrical transmission or interconnection systems – Vehicle mounted systems – Automobile
Patent
1998-12-14
2000-11-14
Paladini, Albert W.
Electrical transmission or interconnection systems
Vehicle mounted systems
Automobile
200 6154, 336120, 336DIG2, 439950, G01B 730
Patent
active
061474169
ABSTRACT:
A rotatable connector with a turning angle detecting function wherein two concentric housing grooves are formed on the opposite surfaces of a stator core and a rotor core which face each other across an air gap; the coils being housing in the housing grooves; there are formed projection-depression portions which have projections and depressions alternately formed continuously at a specific pitch along the circumferential direction on both sides of outer coil pair; and a signal is transmitted from the stationary side to the movable side via the inner coils of the stator core and the rotor core, to thereby generate an angle signal by utilizing a change in magnetic resistance between the projection-depression portions in synchronization with the rotation of the rotor core.
REFERENCES:
patent: 4766326 (1988-08-01), Hayashi et al.
patent: 5347256 (1994-09-01), Yumiki et al.
patent: 5442956 (1995-08-01), Persson
patent: 5498911 (1996-03-01), Bossler et al.
patent: 5636863 (1997-06-01), Reid et al.
patent: 5856710 (1999-01-01), Baughman et al.
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