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Compteurs Schlumberger SA
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Compteurs Schlumberger SA
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Publication of FR739644ApublicationCriticalpatent/FR739644A/fr
H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
H04N3/02—Scanning details of television systems; Combination thereof with generation of supply voltages by optical-mechanical means only
H04N3/04—Scanning details of television systems; Combination thereof with generation of supply voltages by optical-mechanical means only having a moving aperture also apertures covered by lenses
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Signal Processing
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FR739644D1931-10-151931-10-15Perfectionnements aux systèmes d'analyse pour l'émission et la réception de télèvision, télécinématographie
ExpiredFR739644A
(fr)