by means not exclusively optical-mechanical

Full Title

Scanning details of television systems; Combination thereof with generation of supply voltages > by means not exclusively optical-mechanical

Classification Context

Section:

ELECTRICITY

Class:

ELECTRIC COMMUNICATION TECHNIQUE

Subclass:

PICTORIAL COMMUNICATION, e.g. TELEVISION

Child Classifications

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• H04N 3/12 by switched stationary formation of lamps, photocells, or light relays
• H04N 3/14 by means of electrically scanned solid-state devices
• H04N 3/16 by deflecting electron beam in cathode-ray tube
• H04N 3/28 producing multiple scanning, i.e. using more than one spot at the same time
• H04N 3/3 otherwise than with constant velocity or otherwise than in pattern formed by unidirectional, straight, substantially horizontal or vertical lines