| 1/00 | Control arrangements or circuits, of interest only in connection with cathode-ray tube indicators (cathode-ray oscilloscopes G01R 13/2; television H04N) |
| 1/02 | Control arrangements or circuits, of interest only in connection with cathode-ray tube indicators (cathode-ray oscilloscopes G01R 13/2; television H04N) Storage circuits (G09G 1/06-G09G 1/28 take precedence) |
| 1/04 | Control arrangements or circuits, of interest only in connection with cathode-ray tube indicators (cathode-ray oscilloscopes G01R 13/2; television H04N) Deflection circuits |
| 1/06 | Control arrangements or circuits, of interest only in connection with cathode-ray tube indicators (cathode-ray oscilloscopes G01R 13/2; television H04N) using single beam tubes (G09G 1/26, G09G 1/28 take precedence) |
| 1/07 | Control arrangements or circuits, of interest only in connection with cathode-ray tube indicators (cathode-ray oscilloscopes G01R 13/2; television H04N) using single beam tubes (G09G 1/26, G09G 1/28 take precedence) with combined raster scan and calligraphic display |
| 1/08 | Control arrangements or circuits, of interest only in connection with cathode-ray tube indicators (cathode-ray oscilloscopes G01R 13/2; television H04N) using single beam tubes (G09G 1/26, G09G 1/28 take precedence) the beam directly tracing characters, the information to be displayed controlling the deflection as a function of time in two spatial co-ordinates, e.g. according to a cartesian co-ordinate system |
| 1/10 | Control arrangements or circuits, of interest only in connection with cathode-ray tube indicators (cathode-ray oscilloscopes G01R 13/2; television H04N) using single beam tubes (G09G 1/26, G09G 1/28 take precedence) the beam directly tracing characters, the information to be displayed controlling the deflection as a function of time in two spatial co-ordinates, e.g. according to a cartesian co-ordinate system the deflection signals being produced by essentially digital means, e.g. incrementally |
| 1/12 | Control arrangements or circuits, of interest only in connection with cathode-ray tube indicators (cathode-ray oscilloscopes G01R 13/2; television H04N) using single beam tubes (G09G 1/26, G09G 1/28 take precedence) the beam directly tracing characters, the information to be displayed controlling the deflection as a function of time in two spatial co-ordinates, e.g. according to a cartesian co-ordinate system the deflection signals being produced by essentially analogue means |
| 1/14 | Control arrangements or circuits, of interest only in connection with cathode-ray tube indicators (cathode-ray oscilloscopes G01R 13/2; television H04N) using single beam tubes (G09G 1/26, G09G 1/28 take precedence) the beam tracing a pattern independent of the information to be displayed, this latter determining the parts of the pattern rendered respectively visible and invisible |
| 1/16 | Control arrangements or circuits, of interest only in connection with cathode-ray tube indicators (cathode-ray oscilloscopes G01R 13/2; television H04N) using single beam tubes (G09G 1/26, G09G 1/28 take precedence) the beam tracing a pattern independent of the information to be displayed, this latter determining the parts of the pattern rendered respectively visible and invisible the pattern of rectangular co-ordinates extending over the whole area of the screen, i.e. television type raster |
| 1/18 | Control arrangements or circuits, of interest only in connection with cathode-ray tube indicators (cathode-ray oscilloscopes G01R 13/2; television H04N) using single beam tubes (G09G 1/26, G09G 1/28 take precedence) the beam tracing a pattern independent of the information to be displayed, this latter determining the parts of the pattern rendered respectively visible and invisible a small local pattern covering only a single character, and stepping to a position for the following character, e.g. in rectangular or polar co-ordinates, or in the form of a framed star |
| 1/20 | Control arrangements or circuits, of interest only in connection with cathode-ray tube indicators (cathode-ray oscilloscopes G01R 13/2; television H04N) using multi-beam tubes (G09G 1/26, G09G 1/28 take precedence) |
| 1/22 | Control arrangements or circuits, of interest only in connection with cathode-ray tube indicators (cathode-ray oscilloscopes G01R 13/2; television H04N) using tubes permitting selection of a complete character from a number of characters |
| 1/24 | Control arrangements or circuits, of interest only in connection with cathode-ray tube indicators (cathode-ray oscilloscopes G01R 13/2; television H04N) using tubes permitting selection of individual elements forming in combination a character |
| 1/26 | Control arrangements or circuits, of interest only in connection with cathode-ray tube indicators (cathode-ray oscilloscopes G01R 13/2; television H04N) using storage tubes |
| 1/28 | Control arrangements or circuits, of interest only in connection with cathode-ray tube indicators (cathode-ray oscilloscopes G01R 13/2; television H04N) using colour tubes |
| 3/00 | Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes (optical scanning systems in general G02B 26/1) |
| 3/02 | Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes (optical scanning systems in general G02B 26/1) by tracing or scanning a light beam on a screen |
| 3/04 | Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes (optical scanning systems in general G02B 26/1) for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments |
| 3/06 | Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes (optical scanning systems in general G02B 26/1) for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using controlled light sources |