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Class Information
Number: 347/128
Name: Incremental printing of symbolic information > Electric marking apparatus or processes > Electrostatic > By information carrying flow of invisible charged particles > Including driving circuitry
Description: Subject matter comprising electrical means, for operating a charged particle modulator, or an ion generator.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7536129 |
Power transmitting apparatus, power switching apparatus, and driving apparatus of multi-function machine using the same |
May. 19, 2009 |
| 7306216 |
Power transmitting apparatus, power switching apparatus, and driving apparatus of multi-function machine using the same |
Dec. 11, 2007 |
| 7277106 |
Scanning apparatus having a fluorescent lamp and control method thereof |
Oct. 2, 2007 |
| 6417875 |
Adjustable voltage finger driver |
Jul. 9, 2002 |
| 6404451 |
Adjustable voltage finger driver |
Jun. 11, 2002 |
| 6278470 |
Energy efficient RF generator for driving an electron beam print cartridge to print a moving substrate |
Aug. 21, 2001 |
| 6252620 |
Image recording apparatus and image recording method |
Jun. 26, 2001 |
| 6239823 |
Electrostatic latent image forming printhead having separate discharge and modulation electrodes |
May. 29, 2001 |
| 6166821 |
Self calibrating pulse width modulator for use in electrostatic printing applications |
Dec. 26, 2000 |
| 6163328 |
High frequency RF driver |
Dec. 19, 2000 |
| 6081286 |
Method and apparatus for high speed charge image generation |
Jun. 27, 2000 |
| 5821970 |
Color image forming apparatus |
Oct. 13, 1998 |
| 5798782 |
Printing or writing device for controlled application of charge carriers to a substrate |
Aug. 25, 1998 |
| 5687001 |
Halftone image ion printer |
Nov. 11, 1997 |
| 5646669 |
Corrosion resistant electrostatic recording head with multiple layers |
Jul. 8, 1997 |
| 5559544 |
Image forming apparatus with cooperating housing structure |
Sep. 24, 1996 |
| 5404159 |
Image forming apparatus having toner particle modulator with elliptical aperture |
Apr. 4, 1995 |
| 5404157 |
Apparatus for generating ions in solid ion recording head with improved stability |
Apr. 4, 1995 |
| 5402158 |
Method for improving the printing quality and repetition accuracy of electrographic printers and a device for accomplishing the method |
Mar. 28, 1995 |
| 5394176 |
Electrostatic printing apparatus |
Feb. 28, 1995 |
| 5369427 |
Electrostatic recording head |
Nov. 29, 1994 |
| 5357274 |
Image recording apparatus with a vibrating particle controller |
Oct. 18, 1994 |
| 5355127 |
Method and apparatus for transferring information by utilizing electron beam |
Oct. 11, 1994 |
| 5343234 |
Digital color proofing system and method for offset and gravure printing |
Aug. 30, 1994 |
| 5325120 |
Electrostatic reproduction apparatus having a dielectric ink-phobic imaging member and field-emission write head |
Jun. 28, 1994 |
| 5325121 |
Method and apparatus for correction of focusing artifacts in ionographic devices |
Jun. 28, 1994 |
| 5270729 |
Ionographic beam positioning and crosstalk correction using grey levels |
Dec. 14, 1993 |
| 5270742 |
Image forming apparatus for forming electrostatic latent image using ions as medium, with high-speed driving means |
Dec. 14, 1993 |
| 5258782 |
Device for removing charge from a dielectric member in an image forming apparatus |
Nov. 2, 1993 |
| 5239318 |
Finger driver and printer |
Aug. 24, 1993 |
| 5231427 |
Image recording apparatus |
Jul. 27, 1993 |
| 5170189 |
Electrostatic latent image forming device with integral feeder terminal connection |
Dec. 8, 1992 |
| 5159358 |
Divided screen printer |
Oct. 27, 1992 |
| 5138348 |
Apparatus for generating ions using low signal voltage and apparatus for ion recording using low signal voltage |
Aug. 11, 1992 |
| 5130727 |
Feedback scheme for ionographic calibration |
Jul. 14, 1992 |
| 5087933 |
In situ inonographic uniformity correction |
Feb. 11, 1992 |
| 5081476 |
Ionographic printhead gating control for controlling charge density image defects due to surface velocity variations |
Jan. 14, 1992 |
| 5062002 |
Electrostatic printer with color hue or grey level controlled by the level and/or duty cycle of voltages applied to each styli |
Oct. 29, 1991 |
| 5025273 |
RF drive circuit for an ion projection printing head |
Jun. 18, 1991 |
| 4992807 |
Gray scale printhead system |
Feb. 12, 1991 |
| 4990942 |
Printer RF line control |
Feb. 5, 1991 |
| 4985716 |
Apparatus for generating ions using low signal voltage |
Jan. 15, 1991 |
| 4972212 |
Method and apparatus for controlling ion trajectory perturbations in ionographic devices |
Nov. 20, 1990 |
| 4841313 |
RF driver and control |
Jun. 20, 1989 |
| 4839670 |
Synchronized aperture motion ionography |
Jun. 13, 1989 |
| 4839671 |
Selectable density charge deposition printing system |
Jun. 13, 1989 |
| 4819013 |
Ion generation compensation |
Apr. 4, 1989 |
| 4794412 |
Vertical line width control ionographic system |
Dec. 27, 1988 |
| 4779107 |
Modulation electrodes having improved corrosion resistance |
Oct. 18, 1988 |
| 4779105 |
Printer interface |
Oct. 18, 1988 |
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