JPS4890536A - - Google Patents
Info
- Publication number
- JPS4890536A JPS4890536A JP47022140A JP2214072A JPS4890536A JP S4890536 A JPS4890536 A JP S4890536A JP 47022140 A JP47022140 A JP 47022140A JP 2214072 A JP2214072 A JP 2214072A JP S4890536 A JPS4890536 A JP S4890536A
- Authority
- JP
- Japan
- 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.)
- Granted
Links
Classifications
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- 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
- G03G15/04036—Details of illuminating systems, e.g. lamps, reflectors
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- 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)
- Control Or Security For Electrophotography (AREA)
- Light Sources And Details Of Projection-Printing Devices (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
- Control Of Exposure In Printing And Copying (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2214072A JPS5724529B2 (ja) | 1972-03-03 | 1972-03-03 | |
US00336377A US3826569A (en) | 1972-03-03 | 1973-02-27 | Exposure safeguarding device for photocopying machine |
DE2310394A DE2310394C3 (de) | 1972-03-03 | 1973-03-02 | Steuereinrichtung für ein elektrophotographisches Kopiergerät zur Sicherstellung der erforderlichen Belichtung |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2214072A JPS5724529B2 (ja) | 1972-03-03 | 1972-03-03 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS4890536A true JPS4890536A (ja) | 1973-11-26 |
JPS5724529B2 JPS5724529B2 (ja) | 1982-05-25 |
Family
ID=12074562
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2214072A Expired JPS5724529B2 (ja) | 1972-03-03 | 1972-03-03 |
Country Status (3)
Country | Link |
---|---|
US (1) | US3826569A (ja) |
JP (1) | JPS5724529B2 (ja) |
DE (1) | DE2310394C3 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5456711A (en) * | 1977-10-14 | 1979-05-08 | Nippon Telegr & Teleph Corp <Ntt> | Photoelectric converter |
JPS5740276A (en) * | 1980-08-23 | 1982-03-05 | Ricoh Co Ltd | Exposure stabilizing device |
JPS62265639A (ja) * | 1986-05-12 | 1987-11-18 | Casio Comput Co Ltd | 画像形成装置 |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1419725A (en) * | 1974-04-18 | 1975-12-31 | Rank Xerox Ltd | Copying machines |
NL7507493A (nl) * | 1975-06-24 | 1976-12-28 | Oce Van Der Grinten Nv | Kopieerinrichting. |
US4133420A (en) * | 1977-07-15 | 1979-01-09 | Copylite, Inc. | Coin operated coin device for a copy machine |
US4202623A (en) * | 1979-01-08 | 1980-05-13 | The Perkin-Elmer Corporation | Temperature compensated alignment system |
US4297616A (en) * | 1980-03-17 | 1981-10-27 | Xerox Corporation | Fluorescent lamp with incandescent ballasting systems |
US4463284A (en) * | 1981-07-28 | 1984-07-31 | Konishiroku Photo Industry Co., Ltd. | Method and apparatus for controlling luminous intensity of fluorescent lamp of reproducing apparatus |
US4536681A (en) * | 1983-07-19 | 1985-08-20 | Minnesota Mining And Manufacturing Company | Temperature compensated time exposure control circuit |
JPS60177216A (ja) * | 1984-02-22 | 1985-09-11 | Seiritsu Kogyo Kk | 機械的変位を電気信号に変換する装置 |
JPS60230017A (ja) * | 1984-04-27 | 1985-11-15 | Tokyo Keiki Co Ltd | 光電型変位量検出装置 |
DE3536836A1 (de) * | 1984-10-17 | 1986-04-17 | Sharp K.K., Osaka | Entladevorrichtung fuer ein kopiergeraet |
US6724420B2 (en) * | 1999-12-23 | 2004-04-20 | Dfr2000, Inc. | Portable film conversion device |
US6829012B2 (en) * | 1999-12-23 | 2004-12-07 | Dfr2000, Inc. | Method and apparatus for a digital parallel processor for film conversion |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3330180A (en) * | 1964-10-14 | 1967-07-11 | Xerox Corp | Illumination control system |
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1972
- 1972-03-03 JP JP2214072A patent/JPS5724529B2/ja not_active Expired
-
1973
- 1973-02-27 US US00336377A patent/US3826569A/en not_active Expired - Lifetime
- 1973-03-02 DE DE2310394A patent/DE2310394C3/de not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5456711A (en) * | 1977-10-14 | 1979-05-08 | Nippon Telegr & Teleph Corp <Ntt> | Photoelectric converter |
JPS5740276A (en) * | 1980-08-23 | 1982-03-05 | Ricoh Co Ltd | Exposure stabilizing device |
JPS62265639A (ja) * | 1986-05-12 | 1987-11-18 | Casio Comput Co Ltd | 画像形成装置 |
Also Published As
Publication number | Publication date |
---|---|
JPS5724529B2 (ja) | 1982-05-25 |
US3826569A (en) | 1974-07-30 |
DE2310394B2 (de) | 1975-04-03 |
DE2310394C3 (de) | 1975-11-13 |
DE2310394A1 (de) | 1973-09-13 |