| ReturnTo Theme-Group-Choice | Onelevelup |
| 4C092 | X-ray techniques | |
| H05G1/00 -2/00@Z | ||
| H05G1/00-2/00@Z | AA | AA00 X-RAY-PRODUCING SYSTEMS |
AA01 | AA02 | AA03 | AA04 | AA05 | AA06 | AA07 | AA08 | AA09 | AA10 |
| . Conventional X-ray tubes (i.e., electron-impact X-ray tubes) | . X-ray tubes not of the conventional type (e.g., tubes that produce soft X-rays) | . . Systems that use accelerators and synchrotron radiation | . . Plasma systems | . . . Target irradiation systems | . . . . Laser plasma | . . . Gas injection or ejection systems | . . . Systems that can be focused | . . . Narrow-tube systems (e.g., for insulated plasma) | . . . Systems that generate a magnetic field from the outside | |||
| AA13 | AA14 | AA15 | AA16 | AA17 | AA20 | |||||||
| . . Source materials for X-rays and plasma | . . . Gases | . . . Liquids | . . . Insulation materials or crystals | . . . Solid metals | . . Other methods | |||||||
| AB | AB00 PURPOSE |
AB01 | AB02 | AB03 | AB04 | AB05 | AB06 | AB07 | AB08 | AB09 | AB10 | |
| . Automation of starting and stopping irradiation | . Optimization or adjustment of exposure and dose produced | . Monitoring of film blackening and optimization or adjustment of brightness | . Improvement of image quality and contrast | . Improvement of reproducibility | . Improvement of transient phenomena and responsiveness | . . Phenomena at the beginning and end | . . Prevention of overshooting | . . Tube voltage | . Improvement of stationary features | |||
| AB11 | AB12 | AB13 | AB14 | AB15 | AB16 | AB17 | AB18 | AB19 | AB20 | |||
| . Improvement of operation | . Improvement of control and adjustability | . . Improved speed and efficiency | . . Expansion of controllable ranges | . . Improvement of accuracy | . Safety improvements | . . Improvement of insulation and pressure-resistance | . . X-ray shield means | . Maintenance and extension of functional features and useful life | . Testing of performance and features | |||
| AB21 | AB22 | AB23 | AB25 | AB26 | AB27 | AB28 | AB30 | |||||
| . Improvement of efficiency in producing X-rays | . Adjustment to ensure uniform intensity of X-ray distribution | . Adjustment of X-ray-beam quality | . Ripple reduction | . Noise reduction | . Miniaturization and weight reduction | . Prevention of magnetic deflection and saturation (e.g., transformers) | . Others | |||||
| AC | AC00 USES AND PHOTOGRAPHIC SYSTEMS |
AC01 | AC02 | AC03 | AC04 | AC05 | AC08 | AC09 | ||||
| . Medical treatments | . . Treatments for the digestive system | . . Treatments for the circulatory system | . . Treatments for the respiratory system | . . Dental treatments | . Industrial uses | . . Pattern exposure and lithography | ||||||
| AC11 | AC12 | AC13 | AC14 | AC15 | AC16 | AC17 | AC20 | |||||
| . Photographic or beam-penetration methods | . . Stereo photography | . . Panoramic photography | . . Cinematoscopic photography and continuous photography | . . Two-directional photography and bi-planar photography | . . X-ray television (TV), beam penetration, and photography | . . X-ray computerized tomography (CT) | . Others | |||||
| BB | BB00 HIGH-VOLTAGE GENERATION MEANS AND CIRCUITS (I.E., ELECTRIC-POWER SOURCES) |
BB01 | BB02 | BB03 | BB05 | BB06 | ||||||
| . Electric current sources | . . Alternating current (AC) sources | . . . Three-phase or multi-phase sources | . . Direct current | . . . Batteries or storage batteries | ||||||||
| BB11 | BB12 | BB13 | BB14 | BB15 | BB17 | BB18 | BB20 | |||||
| . Structures of circuit elements | . . Transformers | . . Iron cores, windings, and coils | . . . Terminals and electrical connections | . . . Casings | . . Condensors | . . Cables | . . Materials | |||||
| BB21 | BB22 | BB23 | BB24 | |||||||||
| . Circuit structure | . . Multiple circuits or current sources | . . Condensor systems | . . Cockcroft circuits | |||||||||
| BB31 | BB32 | BB33 | BB34 | BB35 | BB36 | BB38 | BB39 | BB40 | ||||
| . . Characteristic low-voltage circuits | . . . Constant-voltage-type circuits | . . . Rectiifying and smoothing circuits (e.g., reactors) | . . . Circuits that convert direct current to direct current (DC-DC) (i.e., including choppers) | . . . Circuits that convert direct current to alternating current (DC-AC) (e.g., inverters) | . . . . Series resonance circuits | . . Characteristic high-voltage structures | . . . Selective switching of X-ray-producing circuits | . Others | ||||
| BC | BC00 CHARACTERISTIC MEANS FOR STARTING AND ENDING THE PERIOD OF EXPOSURE, AND ELECTRICAL-POWER INPUT AND CUT-OFF TECHNIQUES |
BC01 | BC02 | BC03 | BC04 | BC05 | ||||||
| . Characteristic power input at the time of closing down the system | . Characteristic power cut-off at the time of starting up the system | . Voltage reduction (e.g., 70% reduction and film desensitizing voltage) | . Specific polarity and turning on or offby use of phase shifts | . Y-type neutral-point switches | ||||||||
| BC11 | BC12 | BC13 | BC14 | BC15 | BC18 | BC20 | ||||||
| . Beginning and ending means and related drive circuits | . . X-ray tubes (e.g., grid control) | . . Low-voltage beginning and ending means | . . High-voltage beginning and ending means | . . . Vacuum tubes (i.e., including tetrode tubes) | . X-ray shielding elements (e.g., shutters) | . Others | ||||||
| BD | BD00 COMPONENTS OF X-RAY-PRODUCING APPARATUSES (I.E., X-RAY-TUBE DEVICES) |
BD01 | BD02 | BD04 | BD05 | BD06 | BD07 | BD08 | BD09 | BD10 | ||
| . Container structures (i.e., including shield structures) | . . Components of current-source devices inside the container | . Electron-beam-projecting sources | . Targets (e.g., anodes) | . . Rotating anodes | . . . Rotating mechanisms | . Trigger electrodes | . Characteristic electrode arrangements | . Characteristic electrical connections and wiring | ||||
| BD11 | BD12 | BD13 | BD14 | BD15 | BD16 | BD17 | BD18 | BD19 | BD20 | |||
| . X-ray emission sections | . . Emission apertures | . . Diaphragms, collimeters, and elements to control the field of irradiation | . . Filters | . Objects that the electron beam strikes (e.g., magnetic-field shields) | . . Deflection and scanning methods and means | . Cooling methods and means | . Fluid and gas supply and discharge methods and means | . Materials | . Others | |||
| BE | BE00 SUPPORTS, FIXING MEANS, INSTALLATION, MOVEMENT, AND RELATED CONTROL |
BE01 | BE02 | BE03 | BE04 | BE05 | BE06 | BE07 | BE08 | BE09 | BE10 | |
| . Device elements | . . X-ray producing elements and X-ray-tube devices | . . Cables (i.e., including cables for treatment, operation, and guiding) | . . ElementS for X-ray imaging, conversion, and detection | . . Entire devices (e.g., fpr use in mobile units for physical examinations) | . Transfer and rotation operations | . . Multiple co-operatingelements | . . Safety mechanisms | . Elements that are suspended or hanging from ceiling | . Others | |||
| BF | BF00 OTHER MECHANISMS, TECHNIQUES, ACCESSORIES, AND EQUIPMENT |
BF01 | BF03 | BF04 | BF05 | BF10 | ||||||
| . Mounts and beds for test subjects | . Equipment (e.g., room shields) | . Multiple X-ray-device systems (i.e., including multiple X-ray tubes) | . Auxiliary devices | . Others | ||||||||
| CC | CC00 CONTROL AND PARAMETER-SETTING (I.E., ACCORDING TO THE TECHNIQUE TYPE AND GENERAL PURPOSE) |
CC01 | CC02 | CC03 | CC04 | CC05 | CC06 | CC07 | CC08 | CC10 | ||
| . Control modes | . . Reference-value control and target-value control | . . . Feedback control | . . Control of co-operation among devices | . . Control of preventing and protecting against malfunction | . . Control that limits values (i.e., holds values below upper limits) | . . Control of switching and selection | . . . Switching control for radioscopy and radiography | . . Control of sequence (i.e., including preparation) | ||||
| CC11 | CC12 | CC13 | CC14 | CC15 | CC17 | CC18 | CC19 | CC20 | ||||
| . Creation of parameters, control signals, and reference values, and correction thereof | . . Automatic creation, setting, and correction | . . . Computation and discrimination by use of multiple parameters | . . . Compensation for correction of measured values and determination of reference values values | . . . Use of reference values in determining errors | . . Parameter input and indicators | . . . Operator consoles or control panels | . Remote transmission of control signals | . Others | ||||
| CD | CD00 CONTROL AND PARAMETER-SETTING (I.E., ACCORDING TO DESIRED PARAMETERS) |
CD01 | CD02 | CD03 | CD04 | CD05 | CD06 | CD07 | CD08 | CD09 | CD10 | |
| . Amount of electricity supplied toto X-ray tubes (i.e., electrical power) | . . X-ray-tube voltage | . . X-ray-tube current | . Exposure time, extent of film blackening, and radiography time | . . Values in milliamperes per second (mAs) | . . Use of phototimers | . Image brightness | . Opening, closing, and switching of timing | . . Timing for starting and stopping irradiation | . Others (e.g., temperature and pressure controls) | |||
| CE | CE00 OBJECTS TO BE CONTROLLED (I.E., LOCATIONS ON OBJECTS) |
CE01 | CE02 | CE03 | CE04 | CE06 | CE07 | CE08 | CE09 | |||
| . Control of X-ray generators and X-ray-tube devices | . . Anodes (e.g., temperature control) | . . . Starting and stopping of rotary anodes | . . . Number of rotations of rotary anodes | . . Cathodes, filaments, and focus control (e.g., control by switching among the elements) | . . Control of electron-beam directional scanning and deflection | . . Elements to control of the field to be irradiated (e.g., diaphragms and collimators) | . . Shutter and filter control | |||||
| CE11 | CE12 | CE14 | CE16 | CE18 | CE20 | |||||||
| . Control of high-voltage generators and circuits (i.e., including power sources) | . Control of filament-heating means and circuits | . Control of the irradiation aperature, and means of electric-power input and cut-off | . Control of X-ray -image conversion units and units for detecting X-ray brightness level | . Control of movement and means for assisting movement | . Others | |||||||
| CF | CF00 CONTROL AND PARAMETER-SETTING FOR INPUT DATA (I.E., ACCORDING TO THE TYPE OF INPUT DATA) |
CF01 | CF02 | CF03 | CF06 | CF07 | CF08 | |||||
| . Attributes, properties, and data-creation factors | . . Detection of measured data | . . Preset input data | . . Exposure-testing data | . . Radioscopic data and parameters | . . Data stored in memory | |||||||
| CF11 | CF12 | CF13 | CF14 | CF15 | CF16 | |||||||
| . Signals indicating the start and stop of X-ray irradiation | . Amount of electricity supplied to X-ray tubes | . . X-ray-tube voltage | . . X-ray-tube current | . . Filament voltage | . . Filament current | |||||||
| CF21 | CF22 | CF23 | CF24 | CF25 | CF26 | |||||||
| . Exposure-control signals and reference values | . . Duration of radiography (e.g., timer settings) | . . Values in milliamperes per second (mAs) | . . Image brightness (i.e., including projected signals) | . . Amounts of penetrating X-ray and dose rates | . . Data pertaining to field of irradiation and photometric fields and points | |||||||
| CF31 | CF32 | CF33 | CF34 | CF35 | CF36 | CF37 | CF38 | |||||
| . Data regarding devices (e.g., features, nature, status, and operating signals) | . . Input of data indicating the features of the device | . . . Projected image-conversion features (e.g., features of film, image intensifiers (II), and X-ray detectors) | . . . Compensation for device perating time and delay time | . . Device status | . . Activation and operation signals (e.g., television vertical-synchronization signals) | . . Movement and switching signals | . . Transfer and displacement signals | |||||
| CF41 | CF42 | CF43 | CF44 | CF45 | CF46 | CF47 | CF48 | CF49 | CF50 | |||
| . . Data for types of elements | . . . X-ray-producing elements | . . . Elements that convert X-rays to images | . . . . Television-camera apparatuses | . . . . Elements in television (TV) camera image-pick-up units | . . . . Radiography units | . . . X-ray and brightness detection units | . Data for the detected objects (e.g., object thickness and position) | . . Signals related to the living organism (e.g., electro-cardiograms) | . Others | |||
| CG | CG00 CIRCUITS AS CONTROL OR ADJUSTMENT MEANS AND X-RAY-TUBE VOLTAGE |
CG01 | CG02 | CG03 | CG05 | CG06 | CG07 | CG08 | ||||
| . Low-voltage control | . . Tap switches and moving contacts of the transformer | . . Width control of alternating-current conduction (e.g., alternating-current [AC] choppers for phase control) | . . Use of direct-current-to-alternating-current (DC-AC) converters (e.g., inverters) | . . . Amplitude control of direct-current (DC) input (i.e., including DC-DC conversion) | . . . Width control of inverter conduction | . . . Inverter-frequency control | ||||||
| CG11 | CG12 | CG13 | CG20 | |||||||||
| . High-voltage control | . . Variable-impedance control | . . High-voltage chopper control | . Others | |||||||||
| CH | CH00 CIRCUITS AS CONTROL OR ADJUSTMENT MEANS FOR X-RAY-TUBE CURRENT |
CH01 | CH02 | CH03 | CH05 | CH06 | CH07 | CH08 | CH09 | CH10 | ||
| . Objects to be controlled (i.e., location of control) | . . Filament | . . X-ray tube grid | . Control circuits | . . Chopper circuits and conduction width-control circuits | . . Use of inverters | . . Co-operation with other circuits, X-ray tubes, and the like | . . . Synchronization operations with voltage-raising inverters | . . Elements that supply direct current to the filament | ||||
| CH11 | CH12 | CH20 | ||||||||||
| . Correction and compensation for the space charge | . Preheating control | . Others | ||||||||||
| CJ | CJ00 CONTROL OF X-RAY-IMAGE CONVERTERS AND OF X-RAY BRIGHTNESS-LEVEL DETECTION UNITS |
CJ01 | CJ02 | CJ03 | CJ04 | CJ05 | CJ07 | CJ08 | CJ09 | |||
| . Characteristic control of radiography units | . . Direct photo-shooting elements (e.g., photo cameras) | . . . Film replacement by loading and unloading of film | . . Indirect photo-shooting elements (e.g., photo cameras) | . . Photographing units (e.g., use of cinemicrographic cameras) | . Characteristic control of photo-shooting elements | . . Selective changing of fields to be irradiated by use of diaphragms | . . Incident-light filters and shutters | |||||
| CJ11 | CJ12 | CJ13 | CJ14 | CJ15 | CJ16 | CJ17 | CJ19 | CJ20 | ||||
| . Characteristic control of devices for conversion of X-ray images to optical images | . . Fluorescent elements | . . Image intensifiers (II) | . . Selective changing of fields to be irradiated by use of diaphragms | . . Filters and shutters for incident X-rays | . Control of X-ray and brightness detection | . . Control and selective changing of fields to be irradiated and photometric fields | . Characteristic control of optical-image transmission | . . Spectrum control (e.g., half mirrors) | ||||
| CJ21 | CJ22 | CJ23 | CJ24 | CJ25 | CJ30 | |||||||
| . Characteristic control of indication and monitors | . . Indication of additional information | . . Memory units (e.g., image memory and video memory) | . . Control of recording units (e.g., video tape recorders [VTR]) | . . Image-signal processing and treatment of images | . Others | |||||||
| DD | DD00 DETECTION, MEASUREMENT, AND INDICATION |
DD01 | DD03 | DD04 | DD05 | DD06 | DD07 | DD08 | DD10 | |||
| . X-rays | . Brightness level of X-rays transmitted through the object to be examined | . . Ion-chambers and semi-conductor detectors | . . Photoelectric devices (i.e., detected by brightness-detection units) | . . Projected-image signals (e.g., in television monitors) | . . Changing of field of irradiation, photometric field, and measurement points | . . . Multiple detectors that can be selectively switched | . . Phototimers | |||||
| DD11 | DD12 | DD13 | DD14 | DD16 | DD17 | DD18 | DD19 | DD20 | ||||
| . X-ray-tube voltage | . . Low-voltage measurement | . . High voltage measurement | . . Conversion from voltage to frequency | . X-ray-tube current | . . Neutral point measurement | . . High-voltage current | . Parameters that relate to the filament (e.g., voltage or temperature) | . . Filament current | ||||
| DD21 | DD22 | DD23 | DD24 | DD25 | DD26 | DD27 | DD29 | DD30 | ||||
| . Duration and frequency of exposure | . . Characteristic means for measuring by milliampere per second (mAs) | . Measurement and detection of device status | . . Status of X-ray-producing elements (e.g., temperature and energy values) | . . Grounding status | . . Abnormalities and defects (e.g., breaking of the filament) | . Measurement relating to the objects examined (e.g., ultrasonic wave images of body thickness) | . Indication methods, means, and circuits | . Others | ||||
| EE | EE00 SAFETY, PROTECTION, AND PREVENTION |
EE01 | EE02 | EE03 | EE04 | EE05 | EE06 | |||||
| . Prevention of excessive or insufficient doses | . Prevention of overloading or insufficient loads (e.g., electric power or power amount) | . . Prevention of excessive or inadequate voltage | . . Prevention of excessive or inadequate current | . . Prevention of overheating | . . Prevention of excessive or inadequate X-rays | |||||||
| EE11 | EE12 | EE13 | EE15 | EE16 | EE19 | EE20 | ||||||
| . Shielding during emergencies (i.e., under abnormal operating conditions) | . Prevention of faulty operation of apparatuses | . . Prevention of faulty operation or faulty movement | . Backup systems (i.e., including timers) | . . Power outages | . Protection of the examined object | . Others |