CPC Definition - Subclass H05G

Last Updated Version: 2024.01
X-RAY TECHNIQUE (investigating or analysing materials by the use of X-rays G01N 23/00; apparatus for X-ray photography G03B 42/02; X-ray tubes H01J 35/00; TV systems having X-ray input H04N 5/321)
References
Limiting references

This place does not cover:

Investigating or analysing materials by the use of X-rays

G01N 23/00

Apparatus for X-ray photography

G03B 42/02

X-ray tubes

H01J 35/00

TV systems having X-ray input

H04N 5/321

Informative references

Attention is drawn to the following places, which may be of interest for search:

Apparatus for radiation diagnosis

A61B 6/00

X-ray therapy

A61N

Filters, conversion screens or microscopes

G21K

X-ray apparatus involving X-ray tubes; Circuits therefor
Definition statement

This place covers:

Devices intended to be used in conjunction with X-ray tubes and containing technical features relating to the operation of the X-ray tube, such as providing power, controlling the operation of the tube itself, cooling the tube.

References
Limiting references

This place does not cover:

Computed tomography

A61B 6/03

Positioning of patients; Tiltable beds or the like

A61B 6/04

Informative references

Attention is drawn to the following places, which may be of interest for search:

Measuring x-ray intensity

G01T

Regulating supply in general

G05F

Measuring electric values

H01R

Mounting the X-ray tube within a closed housing
References
Informative references

Attention is drawn to the following places, which may be of interest for search:

X-ray windows

H01J 5/18

Obtaining pulses by using energy storage devices
References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Pulse generators

H03K

Measuring, controlling or protecting (measuring X-ray radiation G01T)
References
Limiting references

This place does not cover:

Measuring X-ray radiation

G01T

Informative references

Attention is drawn to the following places, which may be of interest for search:

Measuring electric values

G01R

Supply voltage of the X-ray apparatus or tube
References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Regulating supply without reference to operating characteristics of the apparatus

G05F

Anode current, heater current or heater voltage of X-ray tube
References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Regulating supply without reference to operating characteristics of the apparatus

G05F

Compensating the voltage drop occurring at the instant of switching-on of the apparatus
References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Regulating supply without reference to operating characteristics of the apparatus

G05F

Protecting {or lifetime prediction} (overload protection combined with control H05G 1/46)
References
Limiting references

This place does not cover:

Overload protection combined with control

H05G 1/46

Apparatus or processes specially adapted for producing X-rays, not involving X-ray tubes, e.g. involving generation of a plasma (X-ray lasers H01S 4/00)
References
Limiting references

This place does not cover:

X-ray lasers

H01S 4/00

Informative references

Attention is drawn to the following places, which may be of interest for search:

Plasma technique in general

H05H

{X-ray radiation generated from plasma (plasma for generation of electrons to be accelerated towards an anode H01J 35/00)}
Definition statement

This place covers:

Generation of recombination radiation in hot plasma, interaction of laser radiation with highly charged ions for harmonics generation.

Devices in which a plasma is used for generation of electrons to be accelerated towards an anode

H01J 35/00

{being produced from a liquid or gas}
Definition statement

This place covers:

Generation of radiation from plasma being produced from material which is provided in a non-bulk state, including liquids which solidify (in clusters or frozen droplets) in the vacuum chamber, e.g. after passing the liquid through a nozzle; discharge plasma sources;Including Sn or Li sources where the material to be excited is evaporated or molten before excitation to plasma