Coherent light generators – Particular beam control device – Modulation
Patent
1982-10-20
1985-12-31
Sikes, William L.
Coherent light generators
Particular beam control device
Modulation
372 28, 372 38, 372 43, 372 87, H01S 310
Patent
active
045625794
ABSTRACT:
A light beam modulating and deflecting system comprising a stationary electrode secured to a stationary body, and a rotatable electrode secured to a rotating body, on which a light source is mounted, and opposed in slightly spaced relation to the stationary electrode to form a capacitor together with the stationary electrode. A high frequency signal modulated with a light modulating signal is applied to the stationary electrode, thereby to feed the light modulating signal from the stationary electrode to the rotatable electrode. The system may comprise a plurality of light sources, stationary electrodes and rotatable electrodes, and high frequency signals modulated with various light modulating signals may be applied to the respective stationary electrodes, thereby to independently modulate the light sources via the rotatable electrodes. Or, the system may comprise a plurality of light sources and a set of the stationary electrode and the rotatable electrode, and a plurality of high frequency signals having frequencies different from one another and modulated with various modulating signals may be combined and applied to the stationary electrode, followed by signal separation and demodulation.
Fuji Photo Film Co. , Ltd.
Jr. Leon Scott
Sikes William L.
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