Electronic counter for electrical digital pulses

Details Electronic counter for electrical digital pulses Electronic counter for electrical digital pulses

1979-06-25

1981-10-27

Heyman, John S.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307222C, H03K 2308, H03K 2130, H03K 2106

Patent

active

042975913

ABSTRACT:
An electronic counter is provided for electrical digital pulses including a counter chain comprising idential flip-flop cells to be controlled by way of a counting input by means of pulses to be counted. By means of each counting pulse given to the counting input, at least one change of the operating state of the first flip-flop cell occurs into the respectively other operating state and in which, in addition, upon a second change of the operating state of the individual flip-flop cells of the counter chain, a simultaneous change of the operating state of at least one flip-flop cell, subsequently connected to the flip-flop cell concerned or, respectively, a resetting of the operating states of all flip-flop cells of the counter chain is provided into an initial state corresponding to the counter reading ZERO. A respective transfer element is provided between two successive flip-flop cells of the counter change, which transfer element determines the counting direction and is provided with a control input to be charged by control signals. Control inputs of the transfer elements which are identical to one another are connected in common to a system which supplies the control signals. The transfer element is provided by means of transistors connected between the outputs of a flip-flop cell and the inputs of the subsequent flip-flop cell, the control electrodes of the transistors being charged by the control signals.

REFERENCES:
patent: 3277380 (1966-10-01), Paufve
patent: 3295063 (1966-12-01), Felcheck et al.
patent: 3431433 (1969-03-01), Ball et al.
patent: 3500064 (1970-03-01), Wong
patent: 3745372 (1973-07-01), Koster
patent: 3993916 (1976-11-01), Copeland et al.
Grundlagen der Digital-Elektronik und Digitalen Rechentechnik, Second Edition, Unit 1975, p. 176.

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