Signal converting apparatus

Details Signal converting apparatus Signal converting apparatus

1983-04-20

1985-10-29

Dobeck, B.

Communications: electrical

Audible indication

Percussion-type sound producer

307261, H03K 1320

Patent

active

045503087

ABSTRACT:
A signal converting apparatus for converting voltage into a pulse signal with a corresponding pulse-width comprises a switching circuit for selecting either one of an input voltage to be converted or a constant voltage depending upon a binary switching signal. The selected voltage is integrated with respect to time by an integrating circuit. When the output from the integrating circuit has reached an upper limit voltage or a lower limit voltage, the above-mentioned binary switching signal which is an output signal of this signal converting apparatus is inverted by a comparator/inverter circuit.

REFERENCES:
patent: 3441877 (1969-04-01), Thompson
patent: 3541446 (1970-11-01), Prozeller
patent: 3955191 (1976-05-01), Lambourn
patent: 4075623 (1978-02-01), Futagawa
patent: 4112428 (1978-09-01), Dorsman
patent: 4228366 (1980-10-01), Hutteman et al.

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