Manual of U.S. Patent Classification
as of June 30, 2000

Class
378
X-RAY OR GAMMA RAY SYSTEMS OR DEVICES

Class definitions may be accessed by clicking on the class title, above.
Subclass definitions may be accessed by clicking on the subclass number, below.

Patents classified in a subclass may be accessed by clicking on the " " icon following the subclass number, below.

( please note that links to definitions and classified patents may not be available for some classes and subclasses )

For search strategies, please refer to the Classification Index Explanation of Data web page.

Subclass		Title
ClassTitle		===> X-RAY OR GAMMA RAY SYSTEMS OR DEVICES
1		SPECIFIC APPLICATION
2		. Radiation coding
3		. Mossbauer effect
4		. Computerized tomography
5		. . Energy discriminating
6		. . Fluorescence or scatter mapping
7		. . Scatter compensating
8		. . Object responsive
9		. . Plural sources
10		. . Nonrotating source or detector
11		. . Source or detector translation within plane
12		. . . With electronic scanning
13		. . . Radial
14		. . . Fan beam translation
15		. . Continuous mechanical rotation
16		. . Beam energy or intensity control
17		. . Tiltable or nonvertical examination plane
18		. . With tissue equivalent material
19		. . Beam detection system
20		. . Object positioning or aligning
21		. Tomography
22		. . With nonphotographic detector
23		. . Dynamic tomography
24		. . Transverse tomography
25		. . Planar tomography
26		. . . Linear tomography
27		. . Nonplanar tomography
28		. Xeroradiography
29		. . With real time display
30		. . With focused gap field
31		. . With auxiliary electrode
32		. . With uniform charging of image receptor
33		. . With gap fluid handling
34		. Lithography
35		. . Pattern mask
36		. Holography or interferometry
37		. Mammography
38		. Dental panoramic
39		. . Moving source and detector
40		. . . Continuous image
41		. Stereoscopy
42		. . Fluoroscopy
43		. Telescope or microscope
44		. Fluorescence
45		. . Composition analysis
46		. . . Plural diverse X-ray analyses
47		. . . Fluid analyte
48		. . . With standardization
49		. . . With spatially dispersive energy analysis
50		. . Thickness or density analysis
51		. Absorption
52		. . Fluid level measuring
53		. . Composition analysis
54		. . Thickness or density analysis
55		. . . With movable source or detector
56		. . . With standardization
57		. . Inspection of closed container
58		. . Flaw analysis
59		. . . Pipe testing
60		. . . . Pipe crawler
61		. . . Tire testing
62		. . Imaging
63		. . . Combined with non-X-ray imaging
64		. . Irradiating
65		. . . Therapy
66		. . . Of fluid
67		. . . . With tortuous flow
68		. . . Including object support or positioning
69		. . . . With object moving
70		. Diffraction, reflection, or scattering analysis
71		. . Diffractometry
72		. . . Stress analysis
73		. . . Crystalography
74		. . . . Topography
75		. . . . Powder technique
76		. . . . Back reflection
77		. . . . Precession
78		. . . . Piezoelectric crystal
79		. . . Analyte support
80		. . . . With environmental control
81		. . . . Goniometer
82		. . Spatial energy dispersion
83		. . . Composition analysis
84		. . . Monochromator or focusing device
85		. . . . With plural dispersing elements
86		. . Scatter analysis
87		. . . Imaging
88		. . . Composition analysis
89		. . . Thickness or density analysis
90		. . . . Plural diverse X-ray analysis
91		ELECTRONIC CIRCUIT
92		. For plural X-ray sources
93		. For electrode movement
94		. . With movement sensing
95		. Object responsive control
96		. Exposure timer
97		. . Dose responsive
98		. With display or signaling
98.2		. . Televison
98.3		. . . With visible light optics
98.4		. . . With electronic X-ray scatter compensating
98.5		. . . With auxiliary data video display
98.6		. . . With electronically scanned X-ray source
98.7		. . . With automatic image brightness control
98.8		. . . With solid-state image detector
98.9		. . . With plural X-ray energies
98.11		. . . . With image subtraction
98.12		. . . With image subtraction or addition
101		. X-ray source power supply
102		. . Mobile or portable
103		. . Energy storage
104		. . With specific rectifier
105		. . High frequency
106		. . With pulse output
107		. . With AC output
108		. . Dose regulated
109		. . Current regulated
110		. . . Automatic
111		. . Voltage regulated
112		. . . Automatic
113		. . Electron beam control
114		. With switching means
115		. . For selecting
116		. . . Technique or detector
117		. . For safety or protection
118		. . . Tube overload
119		SOURCE
120		. Nuclear excited
121		. Electron tube
122		. . Field emisssion or cold cathode
123		. . Vacuum control
124		. . With plural targets or anodes
125		. . With movable target
126		. . . Translation or nutation
127		. . . Temperature modification
128		. . . . With thermal impedance
129		. . . . With increased emissivity
130		. . . . With cooling fluid
131		. . . With specific motor means
132		. . . With specific bearing means
133		. . . . With lubrication
134		. . With plural cathodes or heaters
135		. . With movable electrode
136		. . With specific cathode
137		. . With electron scanning or deflecting means
138		. . With electron focusing or intensity control means
139		. . With potential stress distribution
140		. . With X-ray window or secondary radiation screen
141		. . With cooling means
142		. . . With solid heat conductor or shield
143		. Target
144		. . Rotary
145		BEAM CONTROL
146		. Scanner
147		. Collimator
148		. . Plural selectable
149		. . Multiaperture
150		. . Variable
151		. . . Automatic
152		. . . With linear leaf motion
153		. . . With pivotal leaf motion
154		. Antiscatter grid
155		. . With grid moving means
156		. Filter
157		. . Plural
158		. . Single filter with plural elements
159		. . Contoured
160		. Shutter or chopper
161		. Window
162		AUXILIARY DATA ACQUISITION OR RECORDING
163		. Distance or dimension marker
164		. . Coordinate grid
165		. Patient or exposure data
166		. . With light projection
167		PHOTOGRAPHIC DETECTOR SUPPORT
168		. Dental
169		. . Cassette
170		. . With aligning
171		. For roll or strip film
172		. Serial plate or cassette changer
173		. Serial film or film pack changer
174		. For plural films or plates
175		. For plural exposures on single film or plate
176		. . With real time imaging
177		. With object support or positioning
178		. . For seated object
179		. . Pivoted object support
180		. . With object retaining
181		. For movable film or plate
182		. Sheet film cassette
183		. . Self-developing
184		. . Flexible
185		. . With radiation modifying
186		. . . With antiscatter means
187		. . . With film clamping
188		. . With hinged cover
189		NONPHOTOGRAPHIC DETECTOR SUPPORT
190		. Fluoroscope
191		. . Dental
192		. . Foot or shoe examination
193		SOURCE SUPPORT
194		. Including cable handling
195		. Including object support or positioning
196		. . With movable source
197		. Including movable source
198		. . With mobile support
199		. Source cooling
200		. . Liquid coolant
201		. Shock proofing
202		. . Fluid immersion
203		. Shielding
204		ACCESSORY
205		. Alignment
206		. . With light projection
207		. Testing or calibration
208		. Object holder or support
209		. . Table or couch
210		MISCELLANEOUS
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		CROSS-REFERENCE ART COLLECTION
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901		COMPUTER TOMOGRAPHY PROGRAM OR PROCESSOR

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Last Modified: 6 October 2000