Stabilized electromagnetic resonant armature tactile vibrator

Details Stabilized electromagnetic resonant armature tactile vibrator Stabilized electromagnetic resonant armature tactile vibrator

1992-07-06

1994-07-05

Yusko, Donald J.

Communications: electrical

Continuously variable indicating

With meter reading

3404071, 310 29, H04Q 100

Patent

active

053271203

ABSTRACT:
A resonant armature system (109, 114, 116) for generating a vibrating motion in response to an alternating excitation force includes at least two planar suspension members (109), substantially parallel to each other and separated by a distance. The planar suspension member (109) includes a plurality of independent planar spring members (112) arranged regularly about a central planar region (110) within a planar perimeter region (108). The resonant armature system (109, 114, 116) further includes at least one movable mass (114) positioned between and coupled to the at least two planar suspension members (109) for resonating with the at least two planar suspension members (109) at a fundamental mode resonant frequency.

REFERENCES:
patent: 3604959 (1971-09-01), Sturman
patent: 3898598 (1975-08-01), Asahi
patent: 4710655 (1987-12-01), Masaki
patent: 4864276 (1989-09-01), Tribbey et al.
patent: 4988907 (1991-01-01), Irwin
patent: 5023504 (1991-06-01), Mooney et al.
patent: 5107540 (1992-04-01), Mooney et al.

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