Headphone-convertible telephone handset

Details Headphone-convertible telephone handset Headphone-convertible telephone handset

1989-06-01

1991-03-26

Ng, Jin F.

Telephonic communications

Terminal

Housing or housing component

D14248, 379430, 381169, 381183, 381187, H04M 103, H04M 105

Patent

active

050035894

ABSTRACT:
A headphone-convertible telephone handset including primarily a handle and a receiver portion, the receiver portion having a first receiver disposed therein, said handle having a second receiver, a transmitter and two arch connecting strips, the two arch connecting strips being telescopically mounted in the handle, said second receiver being connected to one of the connecting strips, permitting the receiver portion to be associated with the handle, serving as a hand-held handset, or separated from the handle, serving as a headphone, the transmitter being extensible retracted in the handle to cooperate with the receiver portion for headphone use.

REFERENCES:
patent: 2503846 (1950-04-01), Shann
patent: 2879343 (1959-03-01), Finken
patent: 4754484 (1988-06-01), Larkin et al.
patent: 4782527 (1988-11-01), Williamson et al.
patent: 4821318 (1989-04-01), Wu

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