Oscillators – Electromechanical resonator – Crystal
Reexamination Certificate
2007-09-18
2007-09-18
Pascal, Robert (Department: 2817)
Oscillators
Electromechanical resonator
Crystal
C331S060000, C331S1160FE
Reexamination Certificate
active
11140505
ABSTRACT:
A crystal is loaded with capacitance in such a way that it begins to oscillate at a desired frequency with a resonance circuit (2). Capacitive voltage division is carried out with a voltage divider to at least one terminal (3) of the crystal (1). From the voltage divider, the signal of the crystal (1) is supplied to a second circuit (7).
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Hambley, Allan R., Electrical Engineering: Principles and Applications, Jul. 2001, Prentice-Hall, 2nd edition, p. 120.
Eccles, M., “Applying Crystals”, Electronics World (Incl. Wireless World) Reed Business Publishing, Sutton, Surrey, GB, vol. 100, No. 1701, Aug. 1, 1994, pp. 659-663.
Johnson Ryan J
Nokia Corporation
Pascal Robert
Perman & Green LLP
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