Telephone handset with integrated flux coil

Details Telephone handset with integrated flux coil Telephone handset with integrated flux coil

1985-10-08

1987-09-29

Dwyer, James L.

Telephonic communications

Terminal accessory or auxiliary equipment

Including coupler

379 55, 379416, H04M 1100, H04M 103

Patent

active

046972838

ABSTRACT:
A telephone handset having a receiver housing at one end has a flux coil positioned at the front corner at the junction between the peripheral wall and the front wall of the housing. The flux coil is connected in series or in parallel with the receiver. The flux coil, by this arrangement, is positioned very close to the front face of the receiver housing, giving very good coupling between flux coil and a hearing aid. Normally unused space is occupied by the flux coil and permits use of any convenient receiver.

REFERENCES:
patent: Re22198 (1942-10-01), Loewe
patent: Re27595 (1973-03-01), Weitbrecht
patent: 2160829 (1939-06-01), Cherry
patent: 2268665 (1942-01-01), Loewe
patent: 2530621 (1950-11-01), Lybarger
patent: 2544027 (1951-03-01), King
patent: 2847506 (1958-08-01), Gray et al.
patent: 3130270 (1964-04-01), Sanders
patent: 3180937 (1965-04-01), Moser
patent: 3322897 (1967-05-01), Vozeolas et al.
patent: 3396245 (1968-08-01), Flygstad
patent: 3491216 (1970-01-01), Picchiottino
patent: 3883694 (1975-05-01), Watanabe
patent: 4415769 (1983-11-01), Gray
patent: 4529846 (1985-07-01), Freeman et al.

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