Hard-of-hearing aid appliance

Details Hard-of-hearing aid appliance Hard-of-hearing aid appliance

1980-07-28

1982-11-30

Popek, Joseph A.

H04B 500

Patent

active

043617336

ABSTRACT:
A hearing aid appliance has induction loops which are magnetically coupled to hearing aids held individually by hard-of-hearing persons. The number of induction loops is an integral multiple of two, and each induction loop is in the form of a rectangle having at least two parallel sides. The parallel sides of the induction loops are arranged in parallel with one another and equally spaced from one another so that signal currents flowing in adjacent parallel sides are shifted by 90.degree. in phase.

REFERENCES:
patent: 3601550 (1971-08-01), Spracklen
patent: 3711651 (1973-01-01), Connell

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