Electronic typewriter with separately attachable display module

Details Electronic typewriter with separately attachable display module Electronic typewriter with separately attachable display module

1991-11-12

1994-01-04

Burr, Edgar S.

Typewriting machines

Displaying typewriter-formed representation of print-line

400692, 400693, 3647081, 361680, 361681, B41J 346, B41J 2902

Patent

active

052754944

ABSTRACT:
An electronic typewriter has an electronic control circuit housed with the usual typing mechanism in a casing, and can be provided with a display module for displaying text and/or machine functions. The display module is removably fixed to the casing. An electronic unit for controlling the display module is removably fitted in the casing and is connected to the control circuit and the display module by connectors. A basic typewriter without a display module can be constructed with a cover instead of the display module. The two types of typewriter can be produced on largely the same production line, and the basic typewriter can be simply upgraded with a display module in the field.

REFERENCES:
patent: 4530066 (1985-07-01), Ohwaki et al.
patent: 4808017 (1989-02-01), Sherman et al.
patent: 4931909 (1990-06-01), Backes
patent: 5120141 (1992-06-01), Kieling
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Patent Abstracts of Japan, vol. 14, No. 538 (P-113) Nov. 28, 1990 & JP-A-2 228 690 (Koji) Sep. 11, 1990.
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