| ReturnTo Theme-Group-Choice | Onelevelup |
| 2G036 | TESTING ELECTRIC PROPERTIES AND DETECTING ELECTRIC FAULTS | |
| G01R31/00 -31/01;31/24-31/25 | ||
| G01R31/00 | AA | AA00 CONTENTS OF TESTING, DETECTION |
AA01 | AA02 | AA03 | AA04 | AA05 | AA06 | AA07 | AA08 | AA09 | AA10 |
| . Breakdown voltage | . Impact voltage | . Resistance, impedance | . (Electrostatic) capacitance | . Phase | . Frequency | . Amplitude | . Polarity | . Gain, amplification | . Noise (i.e., S/N) | |||
| AA11 | AA12 | AA13 | AA14 | AA15 | AA16 | AA17 | AA18 | AA19 | AA20 | |||
| . Distortion (rate) | . Charge | . Discharge | . Opening or closing (e..g., switches) | . . Chattering | . Electromagnetic conversion | . Vibration | . Temperature | . Operation, functions | . Insulation defects | |||
| AA21 | AA22 | AA23 | AA24 | AA25 | AA26 | AA27 | AA28 | |||||
| . . Leakage current, excessive current | . . Short-circuit | . Gases | . Deterioration, life | . Defects (i.e., damage) | . Contact faults | . Determining whether satisfactory | . Others | |||||
| G01R31/00; G01R31/40; G01R31/42 | BA | BA00 SUBJECT APPARATUSES |
BA01 | BA02 | BA03 | BA04 | BA05 | BA06 | BA07 | BA08 | BA09 | BA10 |
| . Electric power equipment | . . Generators, electric motors | . . Voltage transformers, current transformers | . . Switches, circuit breakers | . . Gas-insulating equipment | . . Lighting arresters | . . (Protective) breakers | . . Switchboards | . Transport apparatuses | . . Electric vehicles | |||
| BA11 | BA12 | BA13 | BA14 | BA15 | BA16 | BA17 | BA18 | BA19 | BA20 | |||
| . . . ATS | . . Automobiles | . Communications equipment | . . Transmitters | . . Receivers | . . . Television receivers | . . . Tuners | . Audio equipment | . . Microphones | . . Speakers (earphones) | |||
| BA21 | BA22 | BA23 | BA24 | BA25 | BA26 | BA27 | BA28 | BA29 | BA30 | |||
| . Magnetic recording and reproducing equipment | . . Magnetic recording materials | . . . Magnetic tapes | . . . Magnetic disks | . . Magnetic heads | . . Tape recorders | . . VTR | . (Electrostatic) recording equipment | . . Print heads (e.g., thermal heads) | . Measuring equipment | |||
| BA31 | BA32 | BA33 | BA34 | BA35 | BA36 | BA37 | BA38 | BA39 | BA40 | |||
| . . Potentiometers | . Display devices | . . Liquid crystal display devices | . Warning, monitoring equipment | . Detection equipment (i.e., sensors) | . Control equipment | . Power supply equipment | . Electronic computers (i.e., microcomputers) | . Converters | . . Analog-digital (digital-analog) converters | |||
| BA41 | BA42 | BA43 | BA44 | BA45 | BA46 | |||||||
| . Amplifiers | . Modulators, demodulators | . Filters | . Timers | . Equipment, accessory apparatuses | . Others | |||||||
| G01R31/00; G01R31/44 | BB | BB00 SUBJECT PARTS AND SUBJECT MATERIALS |
BB01 | BB02 | BB03 | BB04 | BB05 | BB06 | BB07 | BB08 | BB09 | BB10 |
| . Resistors | . Capacitors | . Fuses | . Electrodes | . Lamps | . Switches | . Relays | . Batteries | . Semiconductor elements | . . Transistors | |||
| BB11 | BB12 | BB13 | BB14 | BB15 | BB16 | BB17 | BB18 | BB19 | BB20 | |||
| . . Thyristors | . Printed circuit boards (i.e., integrated circuits) | . Electron tubes | . . Microwave tubes | . . Brown tubes | . Waveguide tubes | . Antennas (i.e., aerials) | . Radar | . Spark plug | . Cables (wires) | |||
| BB21 | BB22 | |||||||||||
| . Materials | . Others | |||||||||||
| G01R31/00; G01R31/01 | CA | CA00 TESTING APPARATUSES AND DETAILS |
CA01 | CA02 | CA03 | CA04 | CA05 | CA06 | CA07 | CA08 | CA09 | CA10 |
| . Automatic testing apparatuses | . Positioning apparatuses | . Transport apparatuses | . . Conveyors | . . Selecting apparatuses | . Abnormality detecting apparatuses | . . Optical means | . Displays, warning apparatuses | . Jigs | . Circuits | |||
| CA11 | CA12 | |||||||||||
| . Protective apparatuses, protective circuits | . Others |