Printer with a plurality of electrically controlled print wheels

Details Printer with a plurality of electrically controlled print wheels Printer with a plurality of electrically controlled print wheels

1980-05-12

1981-08-18

Coven, Edward M.

Printing

Selective or progressive

Bed and platen machines

101 9322, B41J 144

Patent

active

042840031

ABSTRACT:
An electric printer which allows sure printing which depends on identity ween the orders given on the keyboard and the movement of the printing wheel. It includes means for uncoupling the drive shaft from the wheel and two sensors one of which indicates the position of the drive shaft and the other of which indicates the number of positions passed by the wheel before it stops. Application to a printer used for counting.

REFERENCES:
patent: 3141403 (1964-07-01), Brown et al.
patent: 3363547 (1968-01-01), Thut et al.
patent: 3504622 (1970-04-01), Morrison
patent: 3756147 (1973-09-01), Gross et al.
patent: 3858506 (1975-01-01), Frost
patent: 3954055 (1976-05-01), Hanaoka
patent: 3967550 (1976-07-01), Busul
patent: 4104967 (1978-08-01), Okabe
Hahn, IBM Tech. Discl. Bulletin, vol. 15, No. 5, Oct. 1972, pp. 1410-1411.

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