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CPC Subgroup
H05G 1/30

Controlling

Full Title

X-ray apparatus involving X-ray tubes; Circuits therefor > Electrical details > Measuring, controlling or protecting (measuring X-ray radiation G01T) > Controlling

8 direct subcodes

Child Classifications

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  • H05G 1/32 Supply voltage of the X-ray apparatus or tube
  • H05G 1/34 Anode current, heater current or heater voltage of X-ray tube
  • H05G 1/36 Temperature of anode; Brightness of image
  • H05G 1/46 Combined control of different quantities, e.g. exposure time as well as voltage or current
  • H05G 1/48 Compensating the voltage drop occurring at the instant of switching-on of the apparatus
  • H05G 1/50 Passing the tube current only during a restricted portion of the voltage waveform
  • H05G 1/52 Target size or shape; Direction of electron beam, e.g. in tubes with one anode and more than one cathode

Top Applicants

Top 10 applicants by patent filingsfor class H05, 2013–2023, worldwide · Source: EPO PATSTAT

  1. SAMSUNG ELECTRONICS COMPANY KR 9,981
  2. SAMSUNG DISPLAY KR 5,041
  3. LG ELECTRONICS KR 4,742
  4. PHILIP MORRIS PRODUCTS CH 4,411
  5. PANASONIC INTELLECTUAL PROPERTY JP 3,915
  6. PANASONIC INTELLECTUAL PROPERTY 3,471
  7. SAMSUNG ELECTRO-MECHANICS COMPANY KR 3,210
  8. MURATA MANUFACTURING COMPANY JP 3,191
  9. FUJI JP 2,987
  10. SIGNIFY HOLDING NL 2,907