Automobile telephone unit

Details Automobile telephone unit Automobile telephone unit

1988-11-10

1989-09-19

Lev, Robert

Telephonic communications

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

Including fiber optic link within telephone network

455 90, 379438, H01Q 704

Patent

active

048688622

ABSTRACT:
An automobile telephone unit (T) has a main body (11) located in a prescribed position in the cabin of an automobile, a telephone number dialing device (D) electrically connected to the main body (11), and a handset (12) electrically connected to the main body (11) through a connector cord (2) and supportable on the main body (11) when not in use. A takeup mechanism having a reel (R) for winding the connector cord (20) is disposed in the main body (12). A switch mechanism (23, 24) coacting with the takeup mechanism is disposed in the main body (12) for energizing the telephone unit (T) when the connector cord (T) is unreeled a predetermined length from the reel (R) and for de-energizing the telephone unit (T) when the connector cord (20) is rewound on a predetermined length on the reel (R). Even if the automobile is vibrated when it is running on a rough road, the telephone unit (T) is not energized unless the connector cord (20) is unreeled the predetermined length from the reel (R).

REFERENCES:
patent: 1690634 (1928-11-01), Green
patent: 2678779 (1954-05-01), Bellmer
patent: 3483898 (1969-12-01), Tini
patent: 3953688 (1976-04-01), Rocha
patent: 4590337 (1986-05-01), Englemore
patent: 4646987 (1987-03-01), Peterson
patent: 4694486 (1987-09-01), Yuter
patent: 4727569 (1988-02-01), Kutrieb et al.

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