| G | SK | PHYSICS |
| G06 | KL | COMPUTING; CALCULATING; COUNTING (score computers for games A63B 71/06 , A63D 15/20 , A63F 1/18; combinations of writing implements with computing devices B43K 29/08) |
| G06C | UKL | DIGITAL COMPUTERS IN WHICH ALL THE COMPUTATION IS EFFECTED MECHANICALLY (score computers for card games A63F 1/18; construction of keys, printing mechanisms, or other parts of general application to the typewriting or printing art B41; keys or printing mechanisms for special applications, see the relevant subclass, e.g. G05G , G06K; cash registers G07G 1/00) [4] |
| G06D | UKL | DIGITAL FLUID-PRESSURE COMPUTING DEVICES |
| G06E | UKL | OPTICAL COMPUTING DEVICES (optical logic elements per se G02F 3/00; computer systems based on specific computational models G06N; digital storage using optical elements G11C 13/04) [5] |
| G06F | UKL | ELECTRIC DIGITAL DATA PROCESSING (computers in which a part of the computation is effected hydraulically or pneumatically G06D , optically G06E; self-contained input or output peripheral equipment G06K; computer systems based on specific computational models G06N; impedance networks using digital techniques H03H) |
| G06G | UKL | ANALOGUE COMPUTERS (analogue optical computing devices G06E 3/00; computer systems based on specific computational models G06N) |
| G06J | UKL | HYBRID COMPUTING ARRANGEMENTS (optical hybrid computing devices G06E 3/00; computer systems based on specific computational models G06N; neural networks for image data processing G06T; analogue/digital conversion, in general H03M 1/00) |
| G06K | UKL | RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS (postal sorting B07C; secondary surveillance radar G01S; detecting presence of transponders or tags G01S , G01V) |
| G06M | UKL | COUNTING MECHANISMS; COUNTING OF OBJECTS NOT OTHERWISE PROVIDED FOR (counting by measuring volume or weight of articles to be counted G01F , G01G; adaptation of counters to electricity meters in electromechanical arrangements for measuring time integral of electric power or current G01R 11/16; computers G06C to G06J; counting electric pulses H03K; counting characters, words or messages in switching networks for transmission of digital information H04L 12/08; metering arrangements in telephonic systems H04M 15/00) |
| G06N | UKL | COMPUTER SYSTEMS BASED ON SPECIFIC COMPUTATIONAL MODELS [7] |
| G06T | UKL | IMAGE DATA PROCESSING OR GENERATION, IN GENERAL (specially adapted for particular applications, see the relevant subclasses, e.g. G06K , G09G , H04N) [6] |