| ReturnTo Theme-Group-Choice | Onelevelup |
| 2H031 | Magnetic brush developing in electrophotography | |
| G03G13/09 ;15/09-15/09,101 | ||
| G03G13/09;15/09-15/09,101 | AA | AA00 MECHANISMS AND FUNCTIONS OF DEVELOPER REPLENISHMENT SECTION |
AA01 | AA03 | AA05 | AA06 | AA09 | |||||
| . Replenishment using a hopper | . Replenishment using other than a hopper | . Toner containers | . . Toner cartridges | . Residual toner detection for replenishment | ||||||||
| AA11 | AA12 | AA14 | AA16 | AA17 | AA18 | |||||||
| . Toner stirring means | . . Stirring element structures | . . Stirring element materials | . Replenishment quantity control means | . . Replenishment rollers | . . Replenishment shutters | |||||||
| AA21 | AA22 | |||||||||||
| . Blocking and bridging prevention | . . Vibrators | |||||||||||
| AB | AB00 MECHANISMS AND FUNCTIONS OF DEVELOPER STIRRING SECTION |
AB01 | AB02 | AB03 | AB04 | AB05 | AB07 | AB09 | ||||
| . Stirring element structure | . . Augers and screws | . . Paddles | . . Stirring bars | . . Coil springs | . Stirring element materials | . Stirring element arrangements | ||||||
| AC | AC00 MECHANISMS AND FUNCTIONS OF THE DEVELOPER CONVEYANCE SECTION |
AC01 | AC02 | AC03 | AC04 | AC07 | AC08 | AC09 | AC10 | |||
| . Feeding of developer to the conveying members | . . Paddle rollers | . . Magnetic rollers | . . . Magnetic roller arrangements | . Developing rollers | . . Rollers having sleeves | . . . Sleeve structures | . . . . Sleeve surface structures | |||||
| AC11 | AC13 | AC14 | AC15 | AC17 | AC18 | AC19 | AC20 | |||||
| . . . Sleeve materials | . . . Driving of sleeves | . . . . Direction of rotation of sleeves | . . . . Circumferential speed or ratio of sleeves | . . . Magnet components | . . . . Structures and manufacture of magnet components | . . . . Arrangements of magnetic poles | . . . . Magnetic flux density distribution | |||||
| AC22 | AC23 | AC24 | AC26 | AC28 | AC29 | AC30 | ||||||
| . . . Driving of magnet components | . . . . Direction of rotation of magnet components | . . . . Circumferential speed or ratio of magnet components | . . Rollers having no sleeves | . Spike control | . . Control of spike height | . . . Doctor blades | ||||||
| AC31 | AC33 | AC34 | AC36 | AC38 | AC39 | AC40 | ||||||
| . . . . Doctor blade materials | . . . . Doctor blade arrangements | . . . . Clearance adjustment between doctor blades and developing rollers | . . . Spike height control by rollers | . Toner scattering prevention | . . Housing sealing | . . . End section sealing | ||||||
| AC42 | ||||||||||||
| . Removal of foreign matter from developer | ||||||||||||
| AD | AD00 MECHANISMS AND FUNCTIONS OF THE DEVELOPING SECTION |
AD01 | AD03 | AD05 | AD07 | AD09 | ||||||
| . Variants that contact the photosensitive material | . Variants that do not contact the photosensitive material | . Clearance adjustment between the photosensitive material and the developing rollers | . Switching developing ON and OFF | . Inverse developing | ||||||||
| AD11 | AD13 | AD15 | AD16 | |||||||||
| . Control of developer remaining between the image carrier and developing rollers or toner blocking prevention | . Auxiliary members in the developing region | . Adjustment of magnetic brushes in the developing region | . . Making uniform and stabilizing of the magnetic brushes | |||||||||
| AE | AE00 MECHANISMS AND FUNCTIONS OF DEVELOPER COLLECTION, DISCHARGE SECTIONS |
AE01 | AE02 | AE04 | ||||||||
| . Collection from the conveyance members | . . Scrapers | . Detection of developer deterioration | ||||||||||
| BA | BA00 DEVELOPERS USED |
BA01 | BA02 | BA03 | BA04 | BA05 | BA06 | BA07 | BA08 | BA09 | ||
| . Single-component system developers | . . Conductive magnetic toners | . . Non-conductive magnetic toners | . Two-component system developers | . . Toners | . . . Magnetic toners | . . . Conductive toners | . . . Toner materials and particle size | . . Carriers | ||||
| BB | BB00 IMPARTING CHARGE TO TONERS |
BB01 | BB03 | BB05 | BB07 | |||||||
| . Friction charging | . Corona charging | . Electrode charging | . Polarization charging | |||||||||
| BC | BC00 DETECTION AND CONTROL OF TONER DENSITY |
BC01 | BC03 | BC05 | BC07 | |||||||
| . Electrical detection | . Electromagnetic detection | . Photoelectric detection | . Detection and control circuits | |||||||||
| CA | CA00 IMPRESSION OF DEVELOPING BIAS POTENTIAL |
CA01 | CA02 | CA03 | CA04 | CA07 | CA09 | CA10 | ||||
| . Bias potential control | . . Control by detection signals | . . . Detection of photosensitive material potential | . . . Detection of reference image density | . Direct current | . Alternate current where the direction of flow changes in a fixed period for bias | . . Alternating current using sinusoidal current for bias | ||||||
| CA11 | CA13 | CA15 | ||||||||||
| . Superimposed current where direct current is added to alternate current | . Impressed position | . Impression timing | ||||||||||
| DA | DA00 ADJUSTMENT AND CONTROL OF DEVELOPED IMAGES |
DA01 | DA03 | DA05 | DA07 | |||||||
| . Density | . Gradation | . Prevention of fogging and smudging | . Resolution | |||||||||
| EA | EA00 DEVELOPING UNITS |
EA01 | EA03 | EA05 | EA07 | |||||||
| . Removal of units | . Housing shapes | . Driving means | . Improvement of operability | |||||||||
| FA | FA00 OTHERS |
FA01 | FA03 | FA05 | FA07 | FA09 | ||||||
| . Multicolor units | . Monochrome switching | . Processing units | . Development of compact or lightweight units | . Speed improvement |