F-Term-List

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
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