Rate compensating monostable multivibrator

Details Rate compensating monostable multivibrator Rate compensating monostable multivibrator

1974-12-16

1976-07-06

Miller, Jr., Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307273, H03K 310

Patent

active

039684490

ABSTRACT:
A self-compensating time variable monostable multivibrator for use in applications such as thermal printing which require a rate dependent timing function, is disclosed in which a variable output pulse width is produced in response to a varying input trigger pulse repetition rate and in response to a control voltage developed by using the multivibrator output pulses to supply a time constant circuit which linearly modifies the control voltage in response to the output pulse widths. In another aspect of the disclosure, compensation is achieved by comparison of time dependent voltages developed by two time constant networks of unequal time constant in which the multivibrator circuit develops a variable width output pulse dependent upon both the input trigger pulse repetition rate and a control voltage derived from the two time constant networks.

REFERENCES:
patent: 3204124 (1965-08-01), Durio, Jr.
patent: 3304437 (1967-02-01), Dano
patent: 3368152 (1968-02-01), Jorgensen
patent: 3517220 (1970-06-01), Gibson et al.
patent: 3539934 (1970-11-01), Rudolph
patent: 3646370 (1972-02-01), Lowe
patent: 3790821 (1974-02-01), Adamson
"Pulse Train Frequency Varied as Duty Cycle Stays Constant" by Ross, Electronics, July 21, 1969, p. 84.
"Duty Cycle is Constant at Any Trigger Frequency" by Klein Electronics, July 26, 1965, pp. 62-63.

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