Patent
Circuit for producing a series of substantially square wave output signals
TLDR
In this paper, a source of alternating current signals is applied across the inverting and non-inverting input terminals of a voltage comparator circuit through a series bias resistor, which is used to direct current flow through the bias resistor in respective first and second opposite directions.Abstract:
A source of alternating current signals is applied across the inverting and non-inverting input terminals of a voltage comparator circuit through a series bias resistor. Electrical circuitry including a supply potential source and the comparator circuit output terminal is effective to direct current flow through the bias resistor in respective first and second opposite directions while the comparator circuit is in the first and in the second operating conditions whereby the polarity of the potential generated across the bias resistor reverses with each change of operating condition of the comparator circuit.read more
Citations
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Capacitor charge and discharge type ignition device
TL;DR: In this paper, an inexpensive or economical ignition device which is capable of advancing the ignition timing in proportion to an increase in the engine speed when it stays within a preset range and obtaining constant minimum and maximum ignition angle characteristics was presented.
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Variable threshold comparator interface circuit
TL;DR: In this article, a signal processing circuit includes a comparator having a fixed and a variable reference input for detection of a positive quasi-sinusoidal waveform pulse, and a zero crossing detector.
Patent
Periodic signal detecting circuit including comparator circuit with variable threshold and varying time constant
Takashi Yamada,Mamoru Shimamoto +1 more
TL;DR: In this paper, a periodic signal detecting circuit including a comparator compares a threshold voltage varying with a time constant and an engine speed signal from an electromagnetic pickup coil so as to generate an output.
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Electronic ignition system
TL;DR: In this paper, an electronic ignition system replacing corresponding stock circuitry but utilizing the stock magneto and ignition coil provided with the engine of a sport vehicle, such as a jet ski or snowmobile, to provide improved performance.
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Ignition distributor voltage generator
TL;DR: An ignition distributor for an internal combustion engine including a magnetic pick-up for generating a timing control voltage is described in this article, where a combined electrostatic shield and flux shunt is provided that takes the form of a metallic plate of magnetic material.
References
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Patent
Signal amplification circuit with phase detecting means and variable signal level recognition means
TL;DR: In this paper, a circuit is described for generating an output signal pulse of substantial uniform magnitude in response to an input signal which may be variable over a range of signal magnitude such that large signal noise may exceed the magnitude of the small signals.
Patent
Spark ignition systems for internal combustion engines
TL;DR: In this paper, a variable reluctance pick-up produces output pulses when sparks are required, and two voltage comparators compare the voltages on the capacitor and the resistor with threshold levels and a spark is only produced when both voltages exceed the threshold levels, so as to minimise the risk of spurious signals in the pickup producing a spark.