Vertical tabulation control for high speed printer

Details Vertical tabulation control for high speed printer Vertical tabulation control for high speed printer

1976-05-06

1978-04-25

Wright, Jr., Ernest T.

Textiles: fiber preparation

197 19, 197 12, B41J 1500

Patent

active

040858375

ABSTRACT:
A vertical tabulation control for a high speed printer comprises a presettable memory, such as a random access memory (RAM), for storing vertical tabulation addresses, a counter for counting the number of line feed operations, a comparator for developing a continuous line feed termination command when the contents of the counter reach the preset vertical tabulation address, and a rechargeable battery means which is charged when the printer is activated through a power switch. The rechargeable battery supplies the presettable memory and the counter with a necessary voltage for maintaining their contents when the power supply through the power switch is terminated.

REFERENCES:
patent: 3040860 (1962-06-01), Montross et al.
patent: 3344899 (1967-10-01), Wang et al.
patent: 3502190 (1970-03-01), Smith
patent: 3670861 (1972-06-01), Zenner et al.
patent: 3805940 (1974-04-01), Stockham
patent: 3856128 (1974-12-01), Taggart
patent: 3923139 (1975-12-01), Mesnil et al.
patent: 3930570 (1976-01-01), Fletcher

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