F-Term-List

B41J2/47,101@D-2/47,101@Z

AA00
LIGHT SOURCE

AA01

AA02

AA03

AA04

AA05

AA06

AA07

AA09

AA10

. Kinds of light source

. . Gas lasers

. . Semiconductor lasers

. . . Multi-wavelength oscillation laser

. . . Laser beam with variable spread angle

. . . Laser equipped with deflection function

. . . Multi-beam lasers

. having more than one light emitter

. . Independent light source

AA11

AA12

AA13

AA14

AA15

AA16

AA17

AA19

AA20

. . . characterised by the arrangements

. . . Drive control

. . Array light source

. . . characterised by the arrangements

. . . characterised by the structures

. . . Drive control

. . Variation compensation

. Light-spot diameter excluding light-amount control

. . Detection of light-spot diameter

AA21

AA22

AA23

AA24

AA26

AA27

AA28

AA29

. . Change of light-spot diameter

. . . in accordance with images

. . . . in accordance with magnification for recording

. . . in accordance with areas

. . Unification of light-spot diameters

. . Change or direction of unification

. . . Main scanning direction

. . . Sub-scanning direction

AA31

AA32

AA33

AA34

AA35

AA36

AA37

AA38

AA39

AA40

. . Controlled objects

. . . Control of pulse width

. . . Control of intensity

. . . Control of diaphragm

. . . Control of lens

. . Shape of spot

. . . vertically long

. . . horizontally long

. . . oblique

. . Shaping of spot

AA41

AA42

AA43

AA44

AA45

AA46

AA47

AA48

AA49

. Support or adjustment of light sources and optical system elements

. . Supports

. . . Structures

. . . Materials*

. . . Fixing method

. . . Countermeasures against temperature compensation

. . Adjustments

. . . Position adjustments

. . . Adjustment of optical axis

AA51

AA52

AA53

AA54

AA55

AA56

AA57

AA59

AA60

. Light amount control

. . Setting of light quantity or APC

. . . Light quantity detection sensor

. . . Control of setting light quantity

. . . . Circuit

. . . . Timing for setting light quantity

. . . . Control of step amounts

. . Stabilisation of light quantity

. . . maintaining or controlling the light source temperatures

AA61

AA63

AA64

AA65

AA66

AA67

AA68

AA69

AA70

. . . Control of drive currents or voltages

. . Factor of light quantity control

. . . based on photoreceptors

. . . . Detection of exposure amounts on photoreceptors

. . . . Detection of sensitivities of photoreceptors

. . . . Detection of temperatures of photoreceptors

. . . based on scanning systems

. . . . per mirror surface

. . . . Incident angles to mirror surfaces

AA71

AA72

AA73

AA74

AA75

. Light source protection

. . Limiting applied currents

. . Suspension of laser outputs

. . Indication of abnormalities

. . Life of light sources

BA00
SCANNING SYSTEM EXCLUDING CORRECTION AND BEAM-POSITION CONTROL

BA01

BA02

BA03

BA04

BA05

BA06

BA07

BA08

BA09

BA10

. Mirror type

. . One-direction rotating mirror

. . . Multifaceted mirrors

. . . . in polygonal shape or polygon mirror

. . . . . Structure or shape

. . . . . Materials*

. . . . Non-polygonal shape

. . . . Driving means

. . . . . combined with rotors

. . . . . Structure of bearings

BA11

BA12

BA13

BA14

BA15

BA17

BA18

BA20

. . . . . mounting to rotating bodies

. . . . balance in revolution

. . . . Ghost prevention

. . . One-surface mirror

. . . Helical mirror or spiral shaped mirror

. . Vibrating mirrors

. . . Electromagnetic drive

. . Linearly moving mirror

BA21

BA22

BA23

BA24

BA25

BA26

BA27

BA28

BA29

. Non-mirror type

. . Scanning with holograms

. . . Transmissive hologram

. . . Reflection hologram

. . Scanning with optical fibres

. . Scanning with refracting members

. . Scanning by moving light source per se

. . Non-mechanical scanning

. . Scanning by moving carriages

BA31

BA32

BA33

BA34

BA35

BA36

BA37

BA38

BA39

BA40

. Scanning speed control excluding constant speed correction

. . Speed detection

. . Control of the revolution speed of one-direction rotating mirrors

. . . changing speed

. . . . for changing resolution

. . . . for changing magnification

. . . . for standby

. . . Correlation with the speed of a photoreceptor

. . . Synchronising between scanning means

. . . Detection of rotation abnormalities

BA42

BA44

BA45

BA46

BA47

BA48

BA49

BA50

. . Speed control of vibrating mirrors

. Multi-beam scanning

. . Scanning of separated positions

. . . Scanning photoreceptors and other objects

. . . Scanning only photoreceptors

. . . . Scanning the same photoreceptor

. . . . . Dividing of the main scanning

. . . . Scanning plural photoreceptors

BA51

BA52

BA53

BA54

BA56

BA57

BA58

BA59

BA60

. . . . Colour recording

. . . . . Image quality adjustment between images

. . . . Use of different mirror surfaces

. . . . Use of the same mirror face

. . Parallel scanning

. . . Formation of close beams

. . . . Plural adjacent beam optical system

. . . . by using acoustooptical elements

. . . . Semiconductor laser array

BA61

BA63

BA64

BA66

BA67

BA68

BA69

BA70

. . . Adjustment of spot spacing

. . Scanning with the same dot

. . . One-spot focusing with plural beams

. . Control

. . . Control of spot diameters and intensities

. . . Control of the main scanning direction position of each beam

. . . . Detection of beam positions

. . . . Control of the record start timing for each beam

BA71

BA72

. . . Control of sub-scanning direction

. . . Interpolated scanning

BA81

BA82

BA83

BA84

BA85

BA86

BA87

BA89

BA90

. Optical system elements or adjustments excluding light sources

. . Light deflection system

. . . related to deflectors

. . . related to lenses

. . Imaging systems

. . . related to lenses

. . . related to reflection mirrors

. . Beam position detectors

. . Mounting layout or assembling on bases

BB00
SCANNING SYSTEMS, E.G. CORRECTION OR BEAM POSITION CONTROL

BB01

BB02

BB03

BB04

BB05

BB06

BB07

BB08

BB09

BB10

. Scanning correction or surface slanting correction

. . Solely optical correction

. . . Correction by f theta lenses

. . . Correction by using elements other than f theta lenses

. . Correction by electrical control

. . Correction by moving optical elements

. . . moving light sources or lenses

. . . moving mirrors

. . correction of the irradiating position by using slits

. . Measuring method of surface slanting

BB13

BB14

BB15

BB16

BB17

. Scanning correction or curve correction

. . Solely optical correction

. . Correction by electrical control

. . Correction by moving optical elements

. . distorting image surfaces

BB21

BB22

BB23

BB24

BB25

BB27

BB28

BB29

BB30

. Scanning correction or constant speed correction

. . solely optical correction

. . Correction by controlling a light-emitting timing

. . Correction by controlling a motor revolution

. . Speed detection

. controlling beam position

. . Position control with respect to the main scanning direction

. . . Detection of beam positions

. . . . Structures or arrangements of light-receiving means

BB31

BB32

BB33

BB34

BB35

BB37

BB38

BB39

BB40

. . . . adjusting light-receiving timing

. . . . processing received signals

. . . . Intensity control of detected beams

. . . . Light-receiving means combined with other uses

. . . . Position recognition by using means other than scanning beams

. . . Control of record start timing

. . . . Formation of record start signal

. . . . Responding to mirror speed changes

. . . . Responding to position changes of paper or photoreceptors against the main scanning direction

BB42

BB43

BB44

BB46

BB47

BB48

BB49

BB50

. . . Adjustment of recording finish timing

. . . Alignment of record start positions in the main scanning direction for plural images

. . . Control of vibrating mirrors

. . Position control in the sub-scanning direction

. . . Control by detecting the positions of paper or photoreceptors

. . . Responding to the speed changes e.g. of photoreceptors

. . . . having variation in cycle

. . . Alignment of the beginning ends of the sub-scanning of plural images

CA00
RECORDING CONTROL, E.G. TONES OR COLOURS

CA01

CA02

CA03

CA04

CA05

CA06

CA08

CA09

CA10

. Gradation recording technique

. . Density tone method

. . Dither method

. . Density pattern method

. . Error diffusion method

. . using plural methods

. Method of tone control

. . controlling pulse width

. . Intensity control

CA11

CA12

CA13

CA14

CA16

CA17

CA18

. . Pulse width control and intensity control

. . by multiple beams

. . by superimposing on the same dot including partial superimposition

. . Combination of the tones and other density adjustments

. Kinds of colour recording

. . Monochromatic

. . Full colour

CA21

CA22

CA23

CA24

CA25

CA27

CA28

CA29

CA30

. Purpose in colour recording

. . Prevention of colour shift

. . . Registration marks

. . Concentration adjustment for each colour

. . Colour balance adjustment

. Generation of colour signals

. . colour processing

. . . colour correction excluding tone correction

. . . Gradation correction

CA31

CA32

CA33

CA34

CA36

CA37

CA38

CA39

CA40

. . Processing of specified colours

. . Colour designation e.g. colour palette

. . Switching of colour modes

. . Processing of background colours and processing of overlapping areas

. Colour recording method

. . One photoreceptor and one revolution

. . One photoreceptor and plural revolutions

. . Plural photoreceptors

. . In the wavelengths different for each colour

CB00
RECORDING CONTROL EXCLUDING TONES AND COLOURS

CB01

CB02

CB03

CB04

CB05

CB06

CB07

CB08

. Controlling resolutions e.g. roughness of picture elements

. . Control method

. . . by diameters of spots

. . . . controlling pulse width

. . . . controlling intensity

. . . . changing components or layouts

. . . controlling frequency of picture elements or changing density

. . . by multiple beams

CB11

CB12

CB13

CB14

CB16

CB17

CB18

CB19

CB20

. . Direction of density changing

. . . Main scanning and sub-scanning directions

. . . Main scanning direction

. . . Sub-scanning direction

. Smoothing

. . by controlling pulse width

. . by controlling intensity

. . by a combination of pulse width control and intensity control

. . changing dot forming positions

CB21

CB23

CB24

CB25

CB26

CB27

CB28

CB29

CB30

. . adding dots

. controlling processings of edges characters or lines

. . Detection of edges or the like

. . Emphasis processing

. . Blurring processing

. . Thickening processing

. . Thinning processing

. . Change tone processing

. . Processing specially adapted for colour images

CB32

CB33

CB34

CB35

CB37

CB39

. Enlarging or reducing

. . Optical elements or mechanical elements

. . by image processing

. . Magnification adjustment

. Processing matching the neighbouring picture elements e.g. isolation or making solid

. Inversion rotation or mirror images

CB41

CB43

CB45

CB47

CB48

CB49

CB50

. Both sides

. Compression expansion and synthesis

. Prevention of forging

. related to paper sheets

. . Detection or control of paper sizes

. . . Detection by plural sensors

. . . Detection by laser beams

CB51

CB52

CB53

CB54

CB55

CB56

CB57

CB59

CB60

. . Detection or control of specified areas on paper

. . . Edges of papers

. . . Sides of paper

. . . Rear end of papers

. . Detection or control of paper positioning errors

. . . Oblique feeding

. . . Sliding-off

. related to photoreceptors

. . Speed detection

CB61

CB62

CB63

CB64

CB66

CB67

. Other recordings

. . changing modes

. . . High picture-quality recording and normal recording or low picture-quality recording

. . . High-speed recording and low-speed recording

. . Recording on materials other than plain paper

. . . on articles

CB71

CB72

CB73

CB74

CB75

CB76

CB77

CB78

CB79

CB80

. . Recording on photosensitive materials

. . Controls during starting-up or standby

. . Test recording

. . Interfaces or data input terminals

. . Controls relating to memories

. . . Detachable storage device

. . Controls relating to data transfer or storing

. . Data processing and recording timing

. . Using low-sensitivity photoreceptors

. . related to electricity charging transferring or developing

DA00
ACCESSORIES OR STRUCTURES

DA01

DA02

DA03

DA04

DA06

DA07

DA08

DA09

. related to exposing units

. . Positioning of a exposing unit and the main body

. . Positioning of components of an exposing unit

. . Positioning between an exposing unit and other members

. downsizing device

. . shortening an optical path

. . downsizing components

. . reducing the number of components

DA11

DA12

DA13

DA14

DA16

DA17

DA18

DA19

DA20

. preventing entrance of dust

. . sealing exposing units

. . Adapting dust-removing means

. . Structures with preventions of attachment or entrance of dusts

. Antivibration

. . Structures

. . Materials*

. . Layouts

. . Control in accordance with generated vibration cycles

DA21

DA22

DA23

DA24

DA26

DA27

DA28

DA29

. Noise prevention

. . Sealing of noise source

. . Structures for noise reduction

. . Control without scanning

. Stray-light prevention

. . Adapting light-shading means

. . Control of light sources incident light paths or the like

. . Having functions for preventing reflection

DA31

DA32

DA33

DA34

. Cooling or radiation

. . Adaption of cooling means

. . Adaption of heat insulation and radiation means

. . Arrangement of exposing units

DA41

DA43

DA45

DA47

DA49

. Handling of control boards

. Indications

. Power sources

. Motor and power transmission mechanism

. recording additional information

EA00
MAINTENANCE OR SECURITY

EA01

EA02

EA03

EA04

EA05

EA06

EA07

. Treatments during irregularity

. . Shortage of paper or toner

. . Paper jamming

. . Exposure abnormality

. . . Adaption of shading means at abnormal exposing

. . . Control of scanning position

. . . Controlling irregular output

EA11

EA12

EA15

EA16

EA17

EA18

. Countermeasures for safety

. . during operating or adjusting

. Cleaning

. . adapting cleaning members

. . Structure not requiring cleaning

. . Structures easy to clean

EA21

EA22

EA23

EA24

EA25

. Measures for power saving energy saving or ecology

. . Drive system control without scanning

. . Control of timing of power supply to power consuming sections

. . adapting power saving members or energy saving members

. . Measures for ecology

2C362	Laser beam printer
	B41J2/47 -2/47,101@Z