CPC Main Group
G09G 1/00 Control arrangements or circuits, of interest only in connection with cathode-ray tube indicators; (cathode-ray oscilloscopes G01R13/20; )
11 direct subcodes
Child Classifications
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- G09G 1/02 Storage circuits (G09G1/06 - G09G1/28 take precedence)
- G09G 1/04 Deflection circuits
- G09G 1/06 using single beam tubes (G09G1/26, G09G1/28 take precedence),
- G09G 1/20 using multi-beam tubes (G09G1/26, G09G1/28 take precedence)
- G09G 1/22 using tubes permitting selection of a complete character from a number of characters
- G09G 1/24 using tubes permitting selection of individual elements forming in combination a character
- G09G 1/26 using storage tubes
- G09G 1/28 using colour tubes