Class 399: ELECTROPHOTOGRAPHY ( Manual of U.S. Patent Classification )

U.S. PATENT AND TRADEMARK OFFICE
Information Products Division
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Manual of U.S. Patent Classification
as of June 30, 2000


Class
399
ELECTROPHOTOGRAPHY


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Subclass Title
ClassTitle ===> ELECTROPHOTOGRAPHY
1[Patents]COMBINED WITH DIVERSE SUBJECT MATTER
2[Patents] . With diverse image formation
3[Patents] . . Electrostatic
4[Patents] . . . Light (e.g., laser, LED, LCD)
5[Patents] . . . . Shared optics
6[Patents] . . . . Composite image
7[Patents] . . . . On or adjacent to platen
8[Patents]REMOTE MONITORING
9[Patents]DIAGNOSTICS
10[Patents] . Log report
11[Patents] . Service mode
12[Patents] . Unit or part identification
13[Patents] . Component present or mounted
14[Patents] . Unacceptable copy coverage
15[Patents] . By inspection of copied image
16[Patents] . Document handling
17[Patents] . . Of original
18[Patents] . . Malfunction detection responsive
19[Patents] . . . Job recovery
20[Patents] . . . Purge
21[Patents] . . Jam
22[Patents] . . . Misstrip of copy
23[Patents] . . Copy medium supply
24[Patents] . Consumable
25[Patents] . . Process cartridge
26[Patents] . . Photoconductive member
27[Patents] . . Toner
28[Patents] . . . Color
29[Patents] . . . Deterioration or developability of toner
30[Patents] . . . By concentration detector
31[Patents] . Image forming component
32[Patents] . . Of exposure system (e.g., lamp, scanning, erase)
33[Patents] . Fixing (e.g., over-temperature protection)
34[Patents] . Cleaning
35[Patents] . . Waste toner container
36[Patents] . Of motive power or driven unit
37[Patents] . Power supply
38[Patents]CONTROL OF ELECTROPHOTOGRAPHY PROCESS
39[Patents] . Color balance
40[Patents] . . Of overlapped toner images
41[Patents] . . Single detector for plural toners
42[Patents] . Artificial intelligence
43[Patents] . Responsive to number of copies or passage of time
44[Patents] . Having temperature or humidity detection
45[Patents] . Responsive to copy media characteristic
46[Patents] . Of plural processes
47[Patents] . . Having detection of exposure light
48[Patents] . . Having detection of photoconductor potential
49[Patents] . . Having detection of toner (e.g., patch)
50[Patents] . Control of charging
51[Patents] . Control of exposure
52[Patents] . . In response to light from original
53[Patents] . Control of developing
54[Patents] . . Color selection
55[Patents] . . Bias control
56[Patents] . . . In response to potential of latent image
57[Patents] . . Liquid
58[Patents] . . Concentration control
59[Patents] . . . Setting of reference value
60[Patents] . . . Detection of developed image
61[Patents] . . . Detection of toner in developing unit
62[Patents] . . . . Concentration detection
63[Patents] . . . . . Magnetic detector
64[Patents] . . . . . Optical detector
65[Patents] . . . . . . Including sample holder
66[Patents] . Control of transfer
67[Patents] . Control of fixing
68[Patents] . . Conveyance of copy
69[Patents] . . Temperature control
70[Patents] . . . Warmup or standby mode
71[Patents] . Control of cleaning
72[Patents] . Forming test image
73[Patents] . Electrometer detail
74[Patents] . Densitometer detail
75[Patents]MACHINE OPERATION
76[Patents] . Sequential control
77[Patents] . . Programmed
78[Patents] . . Reference signal (e.g., pulse train)
79[Patents] . Accounting
80[Patents] . . User access
81[Patents] . Operator interface (e.g., display control panel)
82[Patents] . Job mode
83[Patents] . . Having memory
84[Patents] . . Key sheet
85[Patents] . . Having mode change
86[Patents] . . . Auto copy size or magnification
87[Patents] . . . Having priority interrupt
88[Patents] . Having power supply
89[Patents] . . Supplying power to charger
90[Patents] . Electrical connection
91[Patents]INTERNAL MACHINE ENVIRONMENT
92[Patents] . Forced air circulation
93[Patents] . . Having filtering (e.g., ozone removal)
94[Patents] . Temperature
95[Patents] . . Platen
96[Patents] . . Photoconductive member
97[Patents] . Humidity
98[Patents] . Particle or contaminant control
99[Patents] . . Toner removal
100[Patents] . . . Charging member (e.g., corona wire)
101[Patents] . . . Transfer member
102[Patents] . . Seal
103[Patents] . . . Developer seal
104[Patents] . . . . Magnetic
105[Patents] . . . . Elastic material
106[Patents] . . . . Toner cartridge
107[Patents]HAVING PARTICULAR STRUCTURE
108[Patents] . Portable
109[Patents] . Remanufacturing
110[Patents] . Modular or displaceable
111[Patents] . . Process cartridge unit
112[Patents] . . . Color
113[Patents] . . . Having subunit separation
114[Patents] . . . Including cover
115[Patents] . . Charging unit
116[Patents] . . Photoconductive member
117[Patents] . . . Drum mount
118[Patents] . . Optics
119[Patents] . . Developing unit
120[Patents] . . . New and waste toner container
121[Patents] . . Transfer unit
122[Patents] . . Fixing unit
123[Patents] . . Cleaning unit
124[Patents] . . Paper path access
125[Patents] . . Clamshell type
126[Patents] . Adjustment
127[Patents]SUPPLEMENTAL ELECTROPHOTOGRAPHIC PROCESS
128[Patents] . Exposure or charging (e.g., fatigue treatment)
129[Patents] . . Of residual toner
130[Patents]IMAGE FORMATION
131[Patents] . Photoelectrophoretic
132[Patents] . Thermoplastic deformation
133[Patents] . Having layer separation (e.g., manifold imaging)
134[Patents] . Having photoconductive toner
135[Patents] . Ion modulation (e.g., screen)
136[Patents] . Simultaneously with charge transfer
137[Patents] . Optical intermediate storage of original image
138[Patents] . Operator adjusted density
139[Patents] . Formation of master, photocopy-printer
140[Patents] . To produce microimage
141[Patents] . . Film process head
142[Patents] . . . Development
143[Patents] . Selectively positive or negative
144[Patents] . Reader-printer
145[Patents] . Plural copies from same latent image
146[Patents] . Contact exposure
147[Patents] . Having overlayer
148[Patents] . Combined or plural functions by single component
149[Patents] . . Development and cleaning
150[Patents] . . . Simultaneously
151[Patents] . Combined with scanning
152[Patents] . Simultaneous exposure and development
153[Patents] . Simultaneous charging and exposure
154[Patents] . Having transfer of latent image
155[Patents] . Having reciprocating imaging member
156[Patents] . Having modification of latent image
157[Patents] . . To produce outline image
158[Patents] . Display of developed image
159[Patents] . Photoconductive member
160[Patents] . . Selection of image frame area
161[Patents] . . Renewable layer
162[Patents] . . Belt
163[Patents] . . . Having nonuniform motion
164[Patents] . . . Having backing support
165[Patents] . . . Alignment or tensioning
166[Patents] . . Plate
167[Patents] . . Drive apparatus
168[Patents] . Charging
169[Patents] . . Having selection of area to be charged
170[Patents] . . Corona
171[Patents] . . . Having grid
172[Patents] . . . Having case
173[Patents] . . . Needle type
174[Patents] . . Contact
175[Patents] . . . Brush
176[Patents] . . . Roller
177[Patents] . Exposure
178[Patents] . . Formation of color separation images
179[Patents] . . . To plural photoconductive members
180[Patents] . . . Having halftone screen
181[Patents] . . Halftone image
182[Patents] . . Having image editing
183[Patents] . . . Selectable area
184[Patents] . . . . Color
185[Patents] . . . . Touch pad
186[Patents] . . . Details of erase light
187[Patents] . . . Edge or interframe erase
188[Patents] . . . . Copy blank leading edge
189[Patents] . . . . Cover position
190[Patents] . . . . Variable size
191[Patents] . . . . Using exposure light
192[Patents] . . . . Side edge lamps
193[Patents] . . Binding offset
194[Patents] . . Composite
195[Patents] . . Generating paper feed signal
196[Patents] . . Variable magnification
197[Patents] . . . Having calculation
198[Patents] . . . Exposure adjustment
199[Patents] . . . Additional lens
200[Patents] . . . Having scanning modification
201[Patents] . . . . Lens positioning
202[Patents] . . . . Mirror or scanning carriage positioning
203[Patents] . . Selective or convertible
204[Patents] . . Two-up copying
205[Patents] . . Having reference position (relative positioning)
206[Patents] . . Slit exposure
207[Patents] . . . Diaphragm, shutter, shading board
208[Patents] . . . Speed or acceleration control
209[Patents] . . . Variable scanning (e.g., length)
210[Patents] . . . Damping or braking
211[Patents] . . . Scanning carriage parallel to original
212[Patents] . . . . Having half-rate carriage
213[Patents] . . . Movable platen
214[Patents] . . . . Lock or clamp
215[Patents] . . . By conveying original
216[Patents] . . . By pivoting mirror
217[Patents] . . Full frame exposure (entire original at once)
218[Patents] . . Lens
219[Patents] . . Fiber optics
220[Patents] . . Light source
221[Patents] . . . Modifier (e.g., reflector, filter)
222[Patents] . Development
223[Patents] . . Plural diverse (e.g., color)
224[Patents] . . . Adding toner
225[Patents] . . . Single applicator
226[Patents] . . . Plural applicators single position
227[Patents] . . . . Rotary type
228[Patents] . . . Selectively active
229[Patents] . . . . By magnetic means
230[Patents] . . . . By diverting toner
231[Patents] . . . Toner images overlapped
232[Patents] . . . . Opposite polarity
233[Patents] . . . Liquid
234[Patents] . . Development prevention
235[Patents] . . . Bias voltage
236[Patents] . . Applicator speed
237[Patents] . . Liquid development
238[Patents] . . . Having dispensing
239[Patents] . . . Application member (e.g., roller, belt)
240[Patents] . . . . Having applied bias
241[Patents] . . . Having electrode
242[Patents] . . . . Sequential
243[Patents] . . . . Flexible
244[Patents] . . . . Screen
245[Patents] . . . . Self-cleaning
246[Patents] . . . Sprayed
247[Patents] . . . . Fountain
248[Patents] . . . Immersion
249[Patents] . . . Removing excess developer (e.g., squeegee)
250[Patents] . . . Liquid carrier condensation
251[Patents] . . . Drying (e.g., warming, heating)
252[Patents] . . Dry development
253[Patents] . . . Conditioning of toner
254[Patents] . . . Mixing
255[Patents] . . . . Having new toner
256[Patents] . . . . Auger
257[Patents] . . . Purging
258[Patents] . . . Supplying new toner
259[Patents] . . . . Diverse (e.g., carrier and toner)
260[Patents] . . . . Metering (regulating, gate, discharge ports)
261[Patents] . . . . Vibration
262[Patents] . . . . Cartridge
263[Patents] . . . . . Having internal rotary member
264[Patents] . . . Removing excess developer
265[Patents] . . . Application member
266[Patents] . . . . Having cloud-forming application
267[Patents] . . . . Magnetic brush
268[Patents] . . . . . Having sheet guide
269[Patents] . . . . . Plural
270[Patents] . . . . . Having applied bias
271[Patents] . . . . . . Auxiliary electrode
272[Patents] . . . . . Loading
273[Patents] . . . . . Unloading (e.g., scraper)
274[Patents] . . . . . Regulating (e.g., doctor)
275[Patents] . . . . . . Having stationary magnet
276[Patents] . . . . . Sleeve
277[Patents] . . . . . Magnet
278[Patents] . . . . . . Web or belt
279[Patents] . . . . Roller
280[Patents] . . . . . Having concentric film
281[Patents] . . . . . Loading
282[Patents] . . . . . . By magnetic brush
283[Patents] . . . . . Unloading (e.g., scraper)
284[Patents] . . . . . Regulating (e.g., doctor)
285[Patents] . . . . . Having applied bias
286[Patents] . . . . . Details
287[Patents] . . . . Fiber brush
288[Patents] . . . . Web or belt
289[Patents] . . . Having field curtain
290[Patents] . . . Powder cloud
291[Patents] . . . . Having electrode
292[Patents] . . . Fluidized bed
293[Patents] . . . . Having electrode
294[Patents] . . . Cascade
295[Patents] . . . . Having electrode
296[Patents] . Treatment of developed image prior to transfer
297[Patents] . Transfer
298[Patents] . . Color
299[Patents] . . . From plural photoconductive members (e.g., drums)
300[Patents] . . . From multiple positions
301[Patents] . . . Registration
302[Patents] . . . By intermediate transfer member
303[Patents] . . . Copy medium carrier (e.g., drum or belt)
304[Patents] . . . . Having gripper
305[Patents] . . . . . Vacuum or pneumatic
306[Patents] . . From plural photoconductive members (e.g., duplex)
307[Patents] . . Having simultaneous fixing
308[Patents] . . By intermediate transfer member
309[Patents] . . . To produce duplex
310[Patents] . . Electrostatic
311[Patents] . . . Corona
312[Patents] . . . . Having belt transporting copy
313[Patents] . . . Roller or belt
314[Patents] . . . Having applied bias
315[Patents] . . . Having discharger (e.g., separation)
316[Patents] . . . Having copy medium guide
317[Patents] . . . . Retractable
318[Patents] . . By pressure
319[Patents] . . Vibration
320[Patents] . Fixing (e.g., fusing)
321[Patents] . . Color
322[Patents] . . Having copy-handling during fixing
323[Patents] . . . Stripping
324[Patents] . . Offset prevention
325[Patents] . . . Parting agent applicator
326[Patents] . . . . Cleaning member
327[Patents] . . Cleaning of fixing member
328[Patents] . . By heat and pressure
329[Patents] . . . Continuous web
330[Patents] . . . Heated roller
331[Patents] . . . . Pressure rollers
332[Patents] . . . . . Cyclically (e.g., with movement of copy)
333[Patents] . . . . Composition or layers
334[Patents] . . . . Axial heat distribution
335[Patents] . . By heat
336[Patents] . . . Radiant, infrared, or microwave
337[Patents] . . . . Coordinated with sheet movement
338[Patents] . . . Contact
339[Patents] . . By pressure (without heat)
340[Patents] . . By solvent
341[Patents] . . Having treatment of image
342[Patents] . . . Lamination
343[Patents]CLEANING OF IMAGING SURFACE
344[Patents] . Color
345[Patents] . Retractable cleaning arrangement
346[Patents] . Including lubricant
347[Patents] . Abrasion or film removal
348[Patents] . Removing liquid developer
349[Patents] . Plural diverse
350[Patents] . Blade
351[Patents] . . Having holder
352[Patents] . Web
353[Patents] . Fibrous brush
354[Patents] . . Having applied voltage
355[Patents] . . Having forced air (e.g., vacuum)
356[Patents] . Magnetic
357[Patents] . Roller
358[Patents] . Having handling of removed material
359[Patents] . . Recycled to developing unit
360[Patents] . . Having storage
361[Patents]DOCUMENT HANDLING
362[Patents] . Book copying
363[Patents] . Original and copy
364[Patents] . . Duplex
365[Patents] . Original
366[Patents] . . Unauthorized copy prevention
367[Patents] . . Automatic document feeder
368[Patents] . . . Plural originals simultaneously
369[Patents] . . . Plural document holders
370[Patents] . . . Having size detection
371[Patents] . . . Having position detection
372[Patents] . . . Registration
373[Patents] . . . Recirculating
374[Patents] . . . Copying both sides of original
375[Patents] . . . For continuous or fanfold paper
376[Patents] . . Having detection of size
377[Patents] . . Holder
378[Patents] . . . Film (e.g., transparency)
379[Patents] . . . Platen
380[Patents] . . . . Having cover
381[Patents] . Copy
382[Patents] . . Interleaving (e.g., cover or partitioning sheet)
383[Patents] . . Plural copies (from same original)
384[Patents] . . Continuous (e.g., roll, fanfold)
385[Patents] . . . Having cutting
386[Patents] . . . . In response to detection of original
387[Patents] . . . . Length adjustment
388[Patents] . . Feeding to transfer position
389[Patents] . . . Having detection of size or type
390[Patents] . . . Having treatment of copy medium
391[Patents] . . . Plural copy medium sources
392[Patents] . . . . Manual feed
393[Patents] . . . Copy medium input tray
394[Patents] . . . In registration with image
395[Patents] . . . . Skew correction
396[Patents] . . . . Speed control of conveyance
397[Patents] . . Delivering from transfer position
398[Patents] . . . Stripping from photoconductive member
399[Patents] . . . . Claw
400[Patents] . . . To fixing (e.g., fuser)
401[Patents] . . . Re-fed for additional image
402[Patents] . . . . Having intermediate storage
403[Patents] . . . Having collating
404[Patents] . . . Having offset stacking
405[Patents] . . . Discharge of copy (e.g., exit tray)
406[Patents] . . . Curl correction
407[Patents] . . . Post-processing
408[Patents] . . . . Having binding
409[Patents] . . . . . By toner
410[Patents] . . . . . By staple
411[Patents]MISCELLANEOUS


Information Products Division -- Contacts

Questions regarding this report should be directed to:

U.S. Patent and Trademark Office
Information Products Division
PK3- Suite 441
Washington, DC 20231

tel: (703) 306-2600
FAX: (703) 306-2737
email: oeip@uspto.gov


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Last Modified: 6 October 2000