F-Term-List

G03B27/34-27/40

AA00
COPY FORMAT

AA01

AA02

AA03

AA04

AA06

AA07

AA08

AA10

. Slit exposure

. . Optical system moving types

. . Originals moving types

. Overall exposure

. adapting to transparent originals

. adapting to book originals

. . Correction of binding area

. Anamorphic variable magnification

AB00
METHOD OF VARIABLE MAGNIFICATION

AB01

AB02

AB04

AB06

. characterised by optical path lengths

. . Total optical path lengths being constant

. . Maintenance of constant distance between originals and lenses

. . Maintenance of constant distance between lenses and photoreceptors

AB11

AB12

AB13

AB14

AB16

AB17

AB19

. Moving members for variable magnification

. . Fixed lenses and only mirrors being moveable

. . Lenses and only original sides of mirrors being movable

. . Lenses and only photoreceptor sides of mirrors being movable

. . Original tables moving to optical axes

. . Photoreceptors moving to optical axes

. . Insertion of correcting members for optical path lengths e.g. glass plates or the like

AB21

AB22

AB24

AB26

. Speed of moving members during exposure with variable magnification

. . Change of speed of scanning members

. . Change of speed of photoreceptors

. . Change of speed of both scanning members and photoreceptors

AB31

AB32

AB34

. characterised by optical axes

. . Projection optical axes not being parallel to lens optical axes

. . Maintenance of incidence angles to photoreceptors being constant

BA00
OPTICAL MEMBER

BA01

BA02

BA03

BA04

BA06

BA08

. Lenses

. . Switching a plurality of lenses

. . . Insertion of auxiliary lenses

. . . Bar lenses for graded refractive index

. . Zoom lenses

. . In-mirror lenses

BA11

BA12

BA13

. Mounting optical members to frames

. . Lenses

. . Mirrors

BA21

BA22

BA23

BA25

BA26

BA29

BA30

. Members for correcting the amount of exposure

. . associated with lenses

. . . Diaphragm

. . fixed to casing sides

. . Shapes of correction members not being changed

. Optical shielding members for elimination of stray light

. . associated with movement of lenses

CA00
ADJUSTMENT OF IMAGING

CA01

CA02

CA03

CA05

CA07

CA09

. Methods of focusing

. . Automatic focusing

. . . Processing of detection signals

. . Release of automatic focusing

. . Manual adjustment

. . storing information of focus position

CA11

CA12

CA13

CA17

. using test patterns

. . provided in originals

. . provided near originals

. Focusing during copying of three-dimensional objects

CA21

CA22

CA24

CA26

CA28

. Objects to be adjusted

. . Position of lenses

. . Focal length of lenses

. . Position of originals

. . Position of photosensitive materials

DA00
CONTROL OF VARIABLE MAGNIFICATION

DA01

DA02

DA03

DA04

DA05

DA06

DA07

. Input or setting

. . Automatic magnification setting

. . . Detection of original sizes

. . . Selection of original sizes

. . . Detection of sizes of photosensitive materials or transfer paper

. . . Selection of sizes of photosensitive materials or transfer paper

. . . Input of margin

DA12

DA13

DA16

DA19

DA20

. . Arbitrary magnification settings

. . . Selection of preset magnification

. . storing preset values

. . Prohibition of input or setting

. . . Prohibition of input values exceeding capability to vary magnification

DA21

DA22

DA23

DA24

DA25

DA27

DA29

DA30

. Displacement control of optical members

. . Detecting positions of optical members

. . Resetting to the unit magnification position

. . . when power sources being switched on

. . Comparison to memory

. . Control of speed of movement during moving variable magnification

. . Prevention of collision

. . Measures to backlash

DA31

DA32

DA33

DA34

DA36

DA38

. Control of movement of scanning members

. . Control of pulse motors

. . . Prevention of loss of synchronicity

. . . Control of speed using memory

. . Change of original feeding speed

. . Change of deceleration position

DA42

DA44

DA45

DA47

. . Change of return position

. . Change of return speed

. . . Return time being constant

. . Change of starting position for scanning

DA51

DA52

DA53

DA54

. Timing adjustment using transfer paper or photoreceptors

. . for margin

. . Centre as reference position

. . Shifting images

DB00
MECHANISM OF VARIABLE MAGNIFICATION

DB01

DB02

DB03

DB04

DB05

. Displacement mechanisms of optical members

. . Members in association with mirrors and lenses

. . . with individual drive means

. . . Cams fixed to casings

. . . Cams provided in displacement members

DB12

DB13

DB14

DB15

DB17

DB19

. . Drive mechanisms

. . . Wires

. . . Screw feeding

. . . Sliding rails

. . with drive sources used exclusively for variable magnification

. . Stoppers

DB21

DB22

DB23

DB24

DB25

DB26

DB27

DB29

DB30

. Moving mechanisms for scanning members

. . Drive mechanisms

. . . Pulse motors

. . . Wires

. . . . Winding methods

. . . . . Prevention of slack

. . . . Detection of locking

. . . Belts

. . . Mounting means of optical members to wires or the like

DB32

DB33

DB34

DB35

DB37

DB39

. . Speed-changing mechanisms

. . . Selection mechanisms of gears

. . . Clutches

. . . . One-way clutches

. . Change of scanning drive force

. . Stoppers

EA00
OTHERS

EA01

EA02

EA03

EA06

EA07

EA09

. Detecting or warning of abnormalities

. . Jam

. . Drive systems

. Measures to temperature

. . Correction of focus position

. Adjustment inspection or diagnosis of assembly

EA11

EA13

EA15

EA17

EA18

. Measures to prevent dust

. Indication

. adapting to trimming

. Switching paper

. Cutting paper from rolls

EA21

EA22

EA24

EA28

. characterised by casings

. . Arrangement of optical members relative to casings of optical members

. . Unitisation of optical systems

. Auxiliary tools

2H107	VARIABLE MAGNIFICATION IN PROJECTION-TYPE COPYING MACHINES
	G03B27/34 -27/40