Data communication unit

Details Data communication unit Data communication unit

1995-01-26

1997-09-23

Zimmerman, Brian

Communications: electrical

Continuously variable indicating

With meter reading

3647081, 361732, 439378, H04Q 100

Patent

active

056709528

ABSTRACT:
A data transmission unit for transmitting data stored in a movable terminal unit to an upper unit when the movable terminal unit is connected to the data transmission unit, includes a coupler for directly coupling the unit to a front or a rear stage data transmission unit without using a connecting cable. The coupler includes data pins for passing data from the movable terminal unit or the front stage data transmission unit to the rear stage data transmission unit or the upper unit, saving the space between adjacent units.

REFERENCES:
patent: 4530069 (1985-07-01), Desrochers
patent: 4680674 (1987-07-01), Moore
patent: 4734874 (1988-03-01), Hwang
patent: 4773032 (1988-09-01), Uehara et al.
patent: 5287098 (1994-02-01), Janssen
Patent Abstracts Of Japan, Vol. 9, No. 23 (E-293), Jan. 30, 1985 & JP-A-59 168747 (Canon), Sep. 22, 1984.
Patent Abstracts Of Japan, Vol. 13, No. 2 (E-700), Jan. 6, 1989 & JP-A-63 214038 (Matsushita Electric ), Sep. 6, 1988.

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