Gyrating programmable scanner

Details Gyrating programmable scanner Gyrating programmable scanner

1990-11-15

1993-02-16

Arnold, Bruce Y.

Optical: systems and elements

Miscellaneous

359224, 310 36, 185 45, G02B 2608, H02K 3300, F03G 102

Patent

active

051876124

ABSTRACT:
A miniature device for moving a reference plane or point on an axis in rotational or x-y directions, particularly useful for two dimensional beam scanning. The device consists of a ferromagnetic ring surrounding a magnetic core which is flexibly mounted and suspended within it. Electric current at various frequencies is supplied to coils wrapped about and mounted within the ring. The core provides a magnetic field within the ring which defines its coordinates with respect to the ring and its coils and interacts with current applied to the coils to produce torque. The flexible mount suspending the core within the coils permits relative movement therebetween in response to the varying current.

REFERENCES:
patent: 1392676 (1921-10-01), Borresen
patent: 2894156 (1959-07-01), Kent
patent: 3631274 (1971-12-01), Stauder
patent: 4364000 (1982-12-01), Burke, Jr.
patent: 4878721 (1989-11-01), Paulsen
patent: 5062095 (1991-10-01), Horikawa et al.

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