Boots – shoes – and leggings
Patent
1976-03-30
1977-08-09
Ruggiero, Joseph F.
Boots, shoes, and leggings
364857, 364844, 328145, G06G 716, G06G 724
Patent
active
040412997
ABSTRACT:
A plurality of input signals to be multiplied are applied sequentially to a logarithmic time-width transformer in a form of electric analog signal in a predetermined order. The transformer converts each of the inputs into a signal having a time width in logarithmic relation with the analog value of corresponding input signal in response to the input signal to thereby provide a plurality of converted signals. Each of the converted signals is further converted into a train of pulses, the number thereof corresponding to the time width of the converted signal so as to convert the plurality of converted signals into a plural train of pulses. Each of the plural trains of pulses are applied to a counter so as to count up the number of pulses of the plural trains of pulses to thereby obtain the total amount of the time width of the plurality of counted signals. The total amount of the time width is converted into an electric value in antilogarithmic relation therewith to thereby obtain a multiplied value of the analog value of the plurality of input signals.
REFERENCES:
patent: 3657528 (1972-04-01), Plante
patent: 3676661 (1972-07-01), Sprowl
patent: 3691473 (1972-09-01), Boatwright
patent: 3736415 (1973-05-01), Morrison
patent: 3805046 (1974-04-01), Magnussen, Jr.
Hitachi , Ltd.
Ruggiero Joseph F.
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