Electrical generator or motor structure – Dynamoelectric – Reciprocating
Patent
1975-09-11
1976-10-05
Duggan, Donovan F.
Electrical generator or motor structure
Dynamoelectric
Reciprocating
128 41, 340407, H02K 3306
Patent
active
039847080
ABSTRACT:
An improved electromagnetic tactile stimulator is disclosed for preferable use in a matrix array. A plurality of such stimulators are confronted to impart vibratory impulses of varying intensity to the skin of a subject to augment typically lost sensual modality such as sight or sound. Each electromagnetic tactile stimulator is in the form of a solenoid having a magnetically polarized plunger.
REFERENCES:
patent: 1999795 (1935-04-01), Wright
patent: 2441686 (1948-05-01), Cohen
patent: 2690547 (1954-09-01), Marks et al.
patent: 2726342 (1955-12-01), Cavetto
patent: 3149255 (1964-09-01), Trench
patent: 3184622 (1965-05-01), Levine
Alden Albert Barry
Holmlund Gordon Wayne
Duggan Donovan F.
The Institutes of Medical Sciences
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