Method and apparatus for two-dimensional data acquisition

Details Method and apparatus for two-dimensional data acquisition Method and apparatus for two-dimensional data acquisition

1974-07-22

1976-03-02

Thesz, Jr., Joseph M.

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Platform operated

Platform actuated traffic counters

179 1555T, 235 92SH, 235 92PC, 235 92V, 235 92R, 3401463MA, G06K 912

Patent

active

039419827

ABSTRACT:
Two-dimensional data may be acquired at extremely high rates by means of a linear sensor array, and ganged shift registers with each sensor associated with at least one shift register. The state of each sensor is sampled periodically in accord with a selected, relatively high clock frequency and each sampling is sequentially recorded in the shift register associated with a specific sensor. A first dimension is provided by the linear nature of the sensor array and the second dimension is supplied by the sampling clock frequency as a subject moves past the sensor array. In a more advanced embodiment, the sampling operates only during the occurrence of an event and data is cyclically recorded in one group of shift registers at a rapid rate while previous data is unloaded from an alternative group of shift registers at a conventional rate.

REFERENCES:
patent: 3200373 (1965-08-01), Rabinow
patent: 3303466 (1967-02-01), Holt
patent: 3422422 (1969-01-01), Frank et al.
patent: 3621150 (1971-11-01), Pappas
patent: 3634823 (1972-01-01), Dietrich et al.

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