Power recovery apparatus for an electric typewriter

Details Power recovery apparatus for an electric typewriter Power recovery apparatus for an electric typewriter

B - Operations, Transporting

41

J

197/1

B41J 19/00 (2006.01) G06F 1/30 (2006.01) G06K 15/06 (2006.01)

Patent

CA 1122139

Abstract An electric typewriter includes a RAM memory for storing selected characters to be printed and for storing data relating to the present escapement position and future es- capement destination of a print head of the typewriter. A control unit operates a printer to print the stored charac- ters in the memory unit and, when a power interrupt occurs and power is subsequently restored, the control unit ac- cesses particular position data in the memory in accordance with the angular position of a print shaft of the type- writer at the time of the power interrupt. The accessed data is employed to define a proper return escapement posi- tion for the printing head of the typewriter. LE9-78-017

356833

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