Earphone radio receiver

Details Earphone radio receiver Earphone radio receiver

1997-11-24

1998-08-25

Le, Huyen

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Plural or compound reproducers

381183, 455351, H04R 2500

Patent

active

057990972

ABSTRACT:
An ear-phone radio receiver includes a first half housing and a second half housing both shaped as L and combined together to contain an ear-phone, a circuit board with a radio receiver set arranged on its surface, a tuning disk disposed at an outer side of the both half housings, a battery and an antenna. The ear-phone is directly connected with the radio receiver, protruding out of the housings to be inserted in an ear for a person to listen to a radio program by turning on and off a switch protruding out of the housings and tuned in by rotating the tuning disk.

REFERENCES:
patent: 3826987 (1974-07-01), Stevens

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