Light source, manually operated

Details Light source, manually operated Light source, manually operated

1982-08-05

1985-06-11

Lazarus, Ronald H.

Illumination

Self powered lamp

Generator power source

310339, H04R 1700, H04R 2100

Patent

active

045232610

ABSTRACT:
A manually operated light source powered by one or more piezoelectric crystals, with supporting apparatus including hammer and anvil means to apply high impact pressure of 7,000 psi and more to the crystal so that a high impulse voltage of very short duration is produced, with means to transmit the voltage to gas filled discharge tube to produce light. The hammer and anvil may be driven by gravity or by mechanical means.

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patent: 3903436 (1975-09-01), Moriya
patent: 3967142 (1976-06-01), Beach
patent: 4256991 (1981-03-01), Otala
patent: 4297609 (1981-10-01), Hirao
patent: 4315180 (1982-02-01), Kondo

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