Communications: electrical – Tactual indication – With input means
Patent
1986-10-23
1988-03-01
Rowland, James L.
Communications: electrical
Tactual indication
With input means
381 68, 434112, 434114, H04R 2500, G09B 2100
Patent
active
047289341
ABSTRACT:
An electro-acoustical transmitter converts electrical signals which correspond to acoustical events into mechanical vibrations which are transmitted onto the skin. The aim is to achieve a small vibrator which, insofar as possible, can be worn on the wrist, for instance, in the manner of a wristwatch. To that end, a coil is employed into which a magnetic core, resiliently mounted relative thereto for instance by a diaphragm, projects as an armature. The housing which carries both the diaphragm and the coil forms the magnetic return flux path. Thus, a miniaturization of the vibrator on the desired order is achieved. An inventive vibrator is particularly suited for the deaf.
REFERENCES:
patent: 3984708 (1976-10-01), Holmlund et al.
patent: 4139742 (1979-02-01), Walker
patent: 4225965 (1980-09-01), Baugh
patent: 4368459 (1983-01-01), Sapora
"A New Way of Hearing", Washington Star, Mar. 20, 1972, Judith Randal.
"Tactile Speech Simulator to Aid Deaf", Barry Gross Washington Business, Washington Post, 10-11-82, p. 5.
Systemerganzte Artikulation, published by Julius Groos Verlag, Heidelberg, 1980, pp. 58, 61 and 64.
Busch Dieter
Harless Friedrich
Pfander Wilhelm
Ruckdeschel Horst
Rowland James L.
Siemens Aktiengesellschaft
Swarthout Brent A.
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