Receiver-transmitter of communication equipment

Details Receiver-transmitter of communication equipment Receiver-transmitter of communication equipment

1998-03-06

2000-06-06

Kuntz, Curtis A.

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Electromagnetic

381386, 381395, 381344, 379433, H04R 2500

Patent

active

060728876

ABSTRACT:
A receiver-transmitter for communication equipment is composed of a yoke iron, a magnet and a magnetic pole piece. The yoke iron has a recess in which the magnet and the magnetic pole piece are located. The recess is provided in the bottom thereof with a plurality of locating columns, whereas the magnetic pole piece is provided with a plurality of locating slots. The magnet is securely located in a locating space which is confined by the locating columns. The magnetic pole piece is located at the top of the magnet such that the locating slots of the magnetic pole piece are engaged with the locating columns of the recess.

REFERENCES:
patent: 711974 (1902-10-01), Hyde
patent: 1084206 (1914-01-01), Gaynor
patent: 2205669 (1940-06-01), Pye
patent: 2532413 (1950-12-01), Levy
patent: 3700938 (1972-10-01), Bryant
patent: 4336425 (1982-06-01), Renkus
patent: 5166984 (1992-11-01), Hsiao

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