Apparatus for converting direct coupled data devices to acoustic

Details Apparatus for converting direct coupled data devices to acoustic Apparatus for converting direct coupled data devices to acoustic

1984-07-09

1986-07-08

George, Keith E.

H04M 1100

Patent

active

045994919

ABSTRACT:
A method and apparatus for converting direct coupled data devices to acoustic coupled devices is disclosed. The apparatus consists of an acoustic coupler and associated electronics to provide acoustic coupling to a telephone handset and to connect to a direct connect modem or other data device to allow operation of the direct connect modem in most modes as if directly connected to a telephone line. The device disclosed includes circuitry for off-hook detection for automatically turning on the electronics, so that battery power is only active when required. Other features and characteristics of the device are disclosed.

REFERENCES:
patent: 4409437 (1983-10-01), Horyu
patent: 4415769 (1983-11-01), Gray

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