JPH028300B2 - - Google Patents
Info
- Publication number
- JPH028300B2 JPH028300B2 JP55016150A JP1615080A JPH028300B2 JP H028300 B2 JPH028300 B2 JP H028300B2 JP 55016150 A JP55016150 A JP 55016150A JP 1615080 A JP1615080 A JP 1615080A JP H028300 B2 JPH028300 B2 JP H028300B2
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- circuit
- exposure lamp
- exposure
- changes
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 108091008695 photoreceptors Proteins 0.000 claims description 11
- 238000007493 shaping process Methods 0.000 description 7
- 239000003990 capacitor Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/04—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material
- G03G15/043—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material with means for controlling illumination or exposure
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Holders For Sensitive Materials And Originals (AREA)
- Developing For Electrophotography (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
- Control Or Security For Electrophotography (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1615080A JPS56113149A (en) | 1980-02-13 | 1980-02-13 | Copying density change-over device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1615080A JPS56113149A (en) | 1980-02-13 | 1980-02-13 | Copying density change-over device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS56113149A JPS56113149A (en) | 1981-09-05 |
JPH028300B2 true JPH028300B2 (de) | 1990-02-23 |
Family
ID=11908469
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1615080A Granted JPS56113149A (en) | 1980-02-13 | 1980-02-13 | Copying density change-over device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56113149A (de) |
Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS519460A (de) * | 1974-07-12 | 1976-01-26 | Ricoh Kk | |
JPS5198033A (de) * | 1975-02-24 | 1976-08-28 | ||
JPS51113736A (en) * | 1975-03-31 | 1976-10-07 | Iwatsu Electric Co Ltd | Automatic light exposure phase controller |
JPS51115830A (en) * | 1975-04-03 | 1976-10-12 | Ricoh Co Ltd | Bias system electronic photograph developing method |
JPS51117036A (en) * | 1975-04-04 | 1976-10-14 | Ricoh Co Ltd | Cell-photo bias development method |
JPS52138133A (en) * | 1976-05-14 | 1977-11-18 | Canon Inc | Electrophotography |
JPS5346098A (en) * | 1976-10-08 | 1978-04-25 | Fujitsu Ltd | Ballot issiomg sustem |
JPS5363020A (en) * | 1976-11-18 | 1978-06-06 | Ricoh Co Ltd | Image control method |
JPS5393029A (en) * | 1977-01-27 | 1978-08-15 | Ricoh Co Ltd | Copying process control method of electrophotographic copying machine |
JPS53115233A (en) * | 1977-03-18 | 1978-10-07 | Ricoh Co Ltd | Control for electrophotogtaphic copier |
JPS54137340A (en) * | 1978-04-18 | 1979-10-25 | Ricoh Co Ltd | Characteristic deterioration compensating control device for photosensitive element of copier |
JPS557709A (en) * | 1978-06-30 | 1980-01-19 | Canon Inc | Exposure control unit of copying machine |
-
1980
- 1980-02-13 JP JP1615080A patent/JPS56113149A/ja active Granted
Patent Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS519460A (de) * | 1974-07-12 | 1976-01-26 | Ricoh Kk | |
JPS5198033A (de) * | 1975-02-24 | 1976-08-28 | ||
JPS51113736A (en) * | 1975-03-31 | 1976-10-07 | Iwatsu Electric Co Ltd | Automatic light exposure phase controller |
JPS51115830A (en) * | 1975-04-03 | 1976-10-12 | Ricoh Co Ltd | Bias system electronic photograph developing method |
JPS51117036A (en) * | 1975-04-04 | 1976-10-14 | Ricoh Co Ltd | Cell-photo bias development method |
JPS52138133A (en) * | 1976-05-14 | 1977-11-18 | Canon Inc | Electrophotography |
JPS5346098A (en) * | 1976-10-08 | 1978-04-25 | Fujitsu Ltd | Ballot issiomg sustem |
JPS5363020A (en) * | 1976-11-18 | 1978-06-06 | Ricoh Co Ltd | Image control method |
JPS5393029A (en) * | 1977-01-27 | 1978-08-15 | Ricoh Co Ltd | Copying process control method of electrophotographic copying machine |
JPS53115233A (en) * | 1977-03-18 | 1978-10-07 | Ricoh Co Ltd | Control for electrophotogtaphic copier |
JPS54137340A (en) * | 1978-04-18 | 1979-10-25 | Ricoh Co Ltd | Characteristic deterioration compensating control device for photosensitive element of copier |
JPS557709A (en) * | 1978-06-30 | 1980-01-19 | Canon Inc | Exposure control unit of copying machine |
Also Published As
Publication number | Publication date |
---|---|
JPS56113149A (en) | 1981-09-05 |
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