Sequential value multi-point recording device with unidirectiona

Details Sequential value multi-point recording device with unidirectiona Sequential value multi-point recording device with unidirectiona

1976-10-12

1978-02-14

Miller, Jr., George H.

Recorders

Combined with external recorder operating means

Plural external means for one recording couple

346 62, G01D 938

Patent

active

040742733

ABSTRACT:
A method and an apparatus are taught in which variable analog data, representative of a plurality of physical parameters are recorded on a thermo-sensitive recording paper which is movable along an axis representative of time. A thermal recording head is transversely movable over the recording paper for sequentially recording the variable analog data in their order of value in a unidirectional sweep of the recording head over the paper. The variable analog data signals arriving in the recorder are updated to obtain their instantaneous values and are gathered and transferred to memory locations in a sequential order. The sequential analog data is then tabulated in the order of value in an ascending or declining magnitude and recorded in such order on the recording paper. Successive recordings of tabulated analog values provide tracings on the recording paper giving, in graphic form, a continuous read-out of physical parameters. The recording head conducts successive unidirectional sweeps over the paper to form the tracings of physical parameters.

REFERENCES:
patent: 3553712 (1971-01-01), MacMullan et al.
patent: 3665414 (1972-05-01), Hutch et al.
patent: 3840878 (1974-10-01), Houston et al.
patent: 3949408 (1976-04-01), Mason et al.

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