Telephone set structure having a member capable of being inserte

Details Telephone set structure having a member capable of being inserte Telephone set structure having a member capable of being inserte

1985-07-03

1987-12-15

Brown, Thomas W.

Telephonic communications

Having light wave or ultrasonic link for speech or paging...

Including fiber optic link within telephone network

379 59, 379428, H04M 123, H04Q 700

Patent

active

047138360

ABSTRACT:
A telephone set structure includes a handset unit and a base unit. The base unit includes a casing, a mounting member provided with a manually controlled section made up of a power switch and a volume control switch on one of its opposite side faces. A non-manually controlled section, having a speaker grill, is on the other side face. The mounting member is inserted into the casing with the opposite side faces invertibly positioned, to accommodate either left-hand or right-hand drives. A handset coupling section fixes the handset in position and covers the casing in which the mounting member is received.

REFERENCES:
patent: 2152494 (1939-03-01), Obergfell
patent: 2560320 (1951-07-01), Winkler
patent: 2946857 (1960-07-01), Benjamin
patent: 2984740 (1961-05-01), Madland et al.
patent: 3581019 (1971-05-01), Ryan
patent: 3608665 (1971-09-01), Drisi
patent: 4006311 (1977-02-01), Carlsson
patent: 4056696 (1977-11-01), Meyerle et al.
patent: 4122304 (1978-10-01), Mallian, II
patent: 4368359 (1983-01-01), Genaro et al.
patent: 4577068 (1986-03-01), Kelly et al.
Kombayash et al., "Detachable Mobile Radio Units for the 800 MHZ Land Mobile Radio System", IEEE Vehicular Technology Conference, 34th, 1984, pp. 6-11.

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