Elastic wave processing system invariant with the temperature

Details Elastic wave processing system invariant with the temperature Elastic wave processing system invariant with the temperature

1982-03-29

1985-01-01

Gruber, Felix D.

Boots, shoes, and leggings

310315, 331107A, 333155, G06J 100, H03H 914

Patent

active

044919310

ABSTRACT:
Signal processing by means of a system comprising an elastic wave device, invariant with the temperature.
The input signal S.sub.e is written into a memory at the timing of a fixed clock h.sub.E and read at the timing of a clock H.sub.L supplied by a slaved generator, which also supplies the signals particularly for modulation to an interface circuit. The signal is applied to an elastic wave device which supplies a processed signal S.sub.3 applied to a second interface circuit and to a second memory. The slaved generator also supplies the demodulation signals to the second interface circuit and the writing clock signals H.sub.E of the second memory, which is read at the fixed clock timing h.sub.L. The slaved generator comprises a basic driver formed by a surface elastic wave oscillator constructed with the same substrate as that of the elastic wave processing device.

REFERENCES:
patent: 3875517 (1975-04-01), Dilley
patent: 3894286 (1975-07-01), Armstrong
patent: 4245201 (1981-01-01), Takahashi et al.
patent: 4354166 (1982-10-01), Grudkowski

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