Cellular telephone

Details Cellular telephone Cellular telephone

1995-10-11

1998-02-17

Chiang, Jack

Telephonic communications

Terminal

Housing or housing component

379428, 379429, 379433, 381 25, 381 685, 381 686, 381 687, 381157, 381183, 381187, H04M 100, H04R 500, H04R 2500

Patent

active

057199353

ABSTRACT:
A cellular telephone having a telephone receiver of an improved structure suitable to effectively exclude noise in noisy places thereby allowing a user to clearly hear the voice of a speaker is disclosed. The telephone receiver of this cellular telephone has an earphone type of conical projection suitable to be inserted into an earhole. The conical projection protrudes from the center of a circular base slightly protruding from the upper portion of the body's front surface so that the base comes into close contact with an ear rim when the conical projection is inserted into the earhole. The telephone transmitter of this cellular telephone is slidably received in a lower portion of a telephone body so as to manually or automatically retract into or project out of the body.

REFERENCES:
patent: 5003589 (1991-03-01), Chen
patent: 5224076 (1993-06-01), Thorp
patent: 5369788 (1994-11-01), Nagai
patent: 5499292 (1996-03-01), Blander et al.
patent: 5504813 (1996-04-01), Takasaki

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