Portable bi-directional data communication terminal

Details Portable bi-directional data communication terminal Portable bi-directional data communication terminal

1982-08-20

1984-04-10

Rubinson, G. Z.

H04M 1100

Patent

active

044423187

ABSTRACT:
The housing for a hand-held terminal includes a first acoustical coupler having a muffler disposed therein facing the bottom of the housing. A hinged cover plate includes a second acoustical coupler having a muffler member adapted to nest within the other muffler when the cover plate is pivoted to a closed position flush with the bottom of the housing. When the cover member is pivoted to an open position it contacts a shoulder on the housing providing an abutment surface to hold the cover plate in an angular position conforming with the configuratiion of a telephone handset.

REFERENCES:
patent: 3976840 (1976-08-01), Cleveland et al.
patent: 4068095 (1978-01-01), Ghormley et al.
patent: 4162373 (1979-07-01), Ingber
patent: 4268721 (1981-05-01), Nielson et al.

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