Registers – Platform operated – Platform actuated traffic counters
Patent
1974-09-30
1976-10-05
Boudreau, Leo H.
Registers
Platform operated
Platform actuated traffic counters
235 92T, 3401725, 340173RC, G06F 312
Patent
active
039846628
ABSTRACT:
A system is disclosed for determining and recording a plurality of individual rates of occurrence of predetermined events over a time span wherein the system utilizes a sensor-accumulator which senses the occurrence of a plurality of events over a predetermined time and translates the accumulated total into a binary expression. The binary expressions are periodically written into a dynamic recirculated memory in a serial fashion and after a predetermined time are all read out to a printing device. The position of the last entered binary expression in the recirculating memory is indexed by means of a counter which is reset to zero upon entry of a word and initiates counting upon the entry of the last bit of the word. A decoder is set to generate a signal each time the counter reaches a count equal to the memory capacity to thus index each complete recirculation of the memory past the point of the last bit entered. Readout of the memory is controlled by initiating a count upon the appearance of the index signal equal to the difference between the memory capacity and the number of bits entered into memory to thus establish the first entered bit in the serial train whereupon the content of the memory is serially read out.
REFERENCES:
patent: 3153776 (1964-10-01), Schwartz
patent: 3351917 (1967-11-01), Shimabukuro
patent: 3387275 (1968-06-01), Gooding et al.
patent: 3400384 (1968-09-01), Hildebrandt
patent: 3480931 (1969-11-01), Geissler et al.
patent: 3500024 (1970-03-01), Stacy et al.
patent: 3634832 (1972-01-01), Taddei et al.
Boudreau Leo H.
Duffield Charles F.
Infomat Corporation
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