Headphone-convertible telephone hand set

Details Headphone-convertible telephone hand set Headphone-convertible telephone hand set

1988-05-24

1990-03-06

Ng, Jin F.

Telephonic communications

Terminal

Housing or housing component

379433, 381183, H04M 104

Patent

active

049072668

ABSTRACT:
The disclosure relates to a headphone-convertible telephone hand set which can be converted into a headphone-like telephone and produce double-form or stereo-like sound in its receiver, thus permitting the present telephone to be worn on a user's head to free the user's hands as well as to improve the normal function with increased clarity.

REFERENCES:
patent: 2503846 (1950-04-01), Shann
patent: 3621156 (1971-11-01), Kliewer
"GE Call Maker", Washington Post Magazine, p. 41; Sep. 8, 1985.

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