WebCPC CPC COOPERATIVE PATENT CLASSIFICATION

H05G　X-RAY TECHNIQUE (apparatus for radiation diagnosis A61B 6/00; X-ray therapy A61N; testing by X-rays G01N; apparatus for X-ray photography G03B; filters, conversion screens, microscopes G21K; X-ray tubes H01J 35/00; TV systems having X-ray input H04N 5/321)

H05G 1/00 X-ray apparatus involving X-ray tubes; circuits therefor

H05G 1/02 ・Constructional details

H05G 1/025 ・・{Means for cooling the X-ray tube or the generator}

H05G 1/04 ・・Mounting the X-ray tube within a closed housing

H05G 1/06 ・・・X-ray tube and at least part of the power supply apparatus being mounted within the same housing

H05G 1/08 ・Electrical details

H05G 1/085 ・・{Circuit arrangements particularly adapted for X-ray tubes having a control grid}

H05G 1/10 ・・Power supply arrangements for feeding the X-ray tube {supply circuits with converters in general H02M; supply circuits for emitters and amplifiers H04B 1/16 to H04B 1/1623}

H05G 1/12 ・・・with dc or rectified single-phase ac {or double-phase}

H05G 1/14 ・・・with single-phase low-frequency ac {also when a rectifer element is in series with the X-ray tube}

H05G 1/16 ・・・・Reducing the peak-inverse voltage

H05G 1/18 ・・・with polyphase ac of low frequency {rectified}

H05G 1/20 ・・・with high-frequency ac; with pulse trains {(pulse generators in general H03K 3/00, H03K 4/00)}

H05G 1/22 ・・・with single pulses

H05G 1/24 ・・・・Obtaining pulses by using energy storage devices (pulse generators H03K){current and voltage pulse generators H03K 3/53}

H05G 1/26 ・・Measuring, controlling, protecting (measuring electric values G01R; measuring

H05G 1/265 ・・・{Measurements of current, voltage or power}

H05G 1/28 ・・・Measuring or recording actual exposure time; Counting number of exposures; Measuring required exposure time

H05G 1/30 ・・・Controlling

H05G 1/32 ・・・・supply voltage of the X-ray apparatus or tube (regulating supply without reference to operating characteristics of the apparatus G05F){voltage regulation in general G05F}

H05G 1/34 ・・・・anode current, heater current, heater voltage of X-ray tube (regulating supply without reference to operating characteristics of the apparatus G05F){current regulation in general G05F}

H05G 1/36 ・・・・temperature of anode; brightness of image {power (electrical temperature regulating in general G05D 23/19)}

H05G 1/38 ・・・・exposure time {time switches in general H01H 43/00 and subgroups}

H05G 1/40 ・・・・・using adjustable time-switch

H05G 1/42 ・・・・・using arrangements for switching when a predetermined dose of radiation has been applied, e.g. in which the switching instant is determined by measuring the electrical energy supplied to the tube

H05G 1/44 ・・・・・・in which the switching instant is determined by measuring the amount of radiation directly {dosimetry in general G01T 1/02}

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 (regulating supply without reference to the operating characteristics of the apparatus G05F){voltage regulation in general G05F}

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

H05G 1/54 ・・・Protecting {or lifetime prediction}(overload protection combined with control H05G 1/46)

H05G 1/56 ・・Switching-on; Switching-off

H05G 1/58 ・・Switching arrangements for changing-over from one mode of operation to another, e.g. from radioscopy to radiography, from radioscopy to irradiation {or from one tube voltage to an other}

H05G 1/60 ・・Circuit arrangements for obtaining a series of X-ray photographs or for X-ray cinematography

H05G 1/62 ・・Circuit arrangements for obtaining X-ray photography at predetermined instants in the movement of an object, e.g. X-ray stroboscopy

H05G 1/64 ・・Circuit arrangements for X-ray apparatus incorporating image intensifiers

H05G 1/66 ・・Circuit arrangement for X-ray tubes with target movable relatively to the anode

H05G 1/68 ・・Circuit arrangements for Lilienfield tubes; Circuit arrangements for gas-filled X-ray tubes

H05G 1/70 ・・Circuit arrangements for X-ray tubes with more than one anode; Circuit arrangements for apparatus comprising more than one X ray tube {or more than one cathode (H05G 1/58 takes precedence)}

H05G 2/00 Apparatus or processes specially adapted for producing X-rays, not involving

H05G 2/001 ・{X-ray radiation generated from plasma (plasma for generation of electrons to be accelerated towards an anode H01J 35/00)}

H05G 2/003 ・・{being produced from a liquid or gas}

H05G 2/005 ・・・{containing a metal as principal radiation generating component}

H05G 2/006 ・・・{details of the ejection system, e.g. constructional details of the nozzle}

H05G 2/008 ・・{involving a beam of energy, e.g. laser or electron beam in the process of exciting the plasma}