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BISTABLE ELEMENT AND CIRCUIT PROVIDED WITH SUCH A BISTABLE ELEMENT
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Transistor crystal oscillator which may be paired for generating a beat frequency
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IN PARTICULAR DISPOSABLE DC POWER SUPPLY FOR DELIVERY OF A NOMINAL VOLTAGE OF DETERMINED VALUE
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High energy pulse generator - uses thyristor switch and capacitance discharge circuit to drive voltage step=up transformer
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VOLTAGE LIFT AND GAS LIGHTER TRANSFORMER WITH ELECTRONIC IGNITION INCLUDING SUCH A TRANSFORMER
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Liq. crystal display device - has liq. crystal between two plates carrying conductive zones and excitation contacts respectively
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Timepiece circuit using two piezoelectric oscillators - has oscillators formed on integrated circuit with outputs added to produce beat signal of required frequency
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Timepiece circuit using two integrated circuit oscillators - has transistor pairs connected to form multivibrators whose frequency difference produces required beat frequency
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Device for automatically controlling a gaseous or liquid fuel fired appliance
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IMPROVEMENTS MADE TO IGNITION CIRCUITS OF AN EXPLOSIVE CHARGE
