Textiles: fiber preparation
Patent
1975-01-23
1977-01-25
Shapiro, Paul E.
Textiles: fiber preparation
B41J 2518
Patent
active
040046753
ABSTRACT:
A tabulator device for typewriters, particularly for teleprinters or data-printers in which tabulation marks are set, cancelled and recalled, in which a store having electronically operable storage elements are operative to effect storage of the desired tabulation marks, register means being provided for addressing the respective storage elements of such store, with the setting i.e. insertion, or cancelling i.e. removal of a mark from the store being effected by means of a write-in control unit operatively connected thereto and tabulation marks being read out of the store by the aid of a read-out control unit operatively connected thereto. The store is in the form of a semi-conductor store constructed from MNOS (metal-nitride-oxide-substrate) transistors and thus does not change its contents following disconnection of the operating voltage. Where the matrix is in the form of a row and column matrix, two registers may be employed which may be in the form of shift registers provided with feedback.
REFERENCES:
patent: 3749223 (1973-07-01), Guzak
patent: 3824564 (1974-07-01), Wegener
patent: 3829855 (1974-08-01), Kolpek et al.
patent: 3832697 (1974-08-01), Kashio
patent: 3885663 (1975-05-01), Suzuki
IBM Technical Disclosure Bulletin, "Electronic Tab/Backspace Control," Fulbright et al., vol. 13, No. 10, Mar. 1971, pp. 3182-3184.
Hum Vance Y.
Shapiro Paul E.
Siemens Aktiengesellschaft
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