High frequency, thermostatically self controlled oscillator

Details High frequency, thermostatically self controlled oscillator High frequency, thermostatically self controlled oscillator

1980-07-08

1982-06-08

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310349, 310344, 236 1F, H01L 4108

Patent

active

043341683

ABSTRACT:
An autothermostatic high frequency oscillator comprising a piezoelectric resonator of the type having electrodes which are not adhered to the crystal. The contact between the part of the crystal 1 serving to support the vibrating part of the crystal and the dielectric plates 2,3 supporting the excited electrodes is limited to a discontinuous surface of reduced scope constituted by a finite number of elements of contact surface. At least an infra-red reflector screen (200) located at the very interior of the water tight cavity (400) surrounding the resonator is situated immediately adjacent said resonator and the electric power applied to the excited electrodes is at least in the range of about 50 microwatts. The invention permits one to achieve oscillators with small consumption of energy and high stability.

REFERENCES:
patent: 2047387 (1936-07-01), Scott
patent: 2078229 (1937-04-01), Bokovoy et al.
patent: 2123236 (1938-07-01), Fair
patent: 2284088 (1942-05-01), Gerber
patent: 4135108 (1979-01-01), Besson
patent: 4259606 (1981-03-01), Vig

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