Referencing device for digital data recorders

Details Referencing device for digital data recorders Referencing device for digital data recorders

1981-09-14

1984-03-27

Richardson, Robert L.

Dynamic magnetic information storage or retrieval

Manual input recording

178 21, 360 5, 400 91, 400 94, G11B 500, G11B 2700, B41J 326

Patent

active

044397984

ABSTRACT:
An improved referencing device for identifying for future reference a portion of a data record as it is being recorded for use in combination with a shorthand machine generating electrical output signals corresponding to the keys depressed, a recording medium, and recorder associated with said shorthand machine for making a data record of the signals generated thereby on said recording medium. The referencing device comprises means for generating a reference signal separate and independent from the output signal generated by said shorthand machine and for inputting said reference signal to said data recorder for making a record of the referencing signal on the recording medium. A portion of the data record may then be identified for future reference by the reference signal record.

REFERENCES:
patent: 2319273 (1943-05-01), Sterling
patent: 3557927 (1971-01-01), Wright et al.
patent: 4024943 (1977-05-01), Steiner
patent: 4123785 (1978-10-01), Cherry et al.
patent: 4176973 (1979-12-01), Gregory et al.
patent: 4205351 (1980-05-01), Michals
patent: 4363557 (1982-12-01), Fowler et al.

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