BE815209A - Appareil de commande de la densite de seuil d'une image et machine utilisant cet appareil - Google Patents
Appareil de commande de la densite de seuil d'une image et machine utilisant cet appareilInfo
- Publication number
- BE815209A BE815209A BE144468A BE144468A BE815209A BE 815209 A BE815209 A BE 815209A BE 144468 A BE144468 A BE 144468A BE 144468 A BE144468 A BE 144468A BE 815209 A BE815209 A BE 815209A
- Authority
- BE
- Belgium
- Prior art keywords
- unit
- machine
- density control
- control unit
- image threshold
- Prior art date
Links
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
- G03G15/01—Apparatus for electrographic processes using a charge pattern for producing multicoloured copies
- G03G15/0105—Details of unit
- G03G15/0121—Details of unit for developing
-
- 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
- G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
- G03G15/065—Arrangements for controlling the potential of the developing electrode
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Control Or Security For Electrophotography (AREA)
- Color Electrophotography (AREA)
- Developing For Electrophotography (AREA)
- Dry Development In Electrophotography (AREA)
- Magnetic Brush Developing In Electrophotography (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00361112A US3815988A (en) | 1973-05-17 | 1973-05-17 | Image density control apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
BE815209A true BE815209A (fr) | 1974-09-16 |
Family
ID=23420693
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE144468A BE815209A (fr) | 1973-05-17 | 1974-05-17 | Appareil de commande de la densite de seuil d'une image et machine utilisant cet appareil |
Country Status (12)
Country | Link |
---|---|
US (1) | US3815988A (xx) |
JP (1) | JPS5536144B2 (xx) |
AR (1) | AR205710A1 (xx) |
BE (1) | BE815209A (xx) |
BR (1) | BR7403928D0 (xx) |
CA (1) | CA1036654A (xx) |
DE (1) | DE2411855C3 (xx) |
FR (1) | FR2230003B1 (xx) |
GB (1) | GB1458707A (xx) |
IT (1) | IT1012346B (xx) |
NL (1) | NL166805C (xx) |
ZA (1) | ZA743132B (xx) |
Families Citing this family (47)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5926957B2 (ja) * | 1973-12-28 | 1984-07-02 | キヤノン株式会社 | カラ−電子写真方法 |
US4045218A (en) * | 1974-03-29 | 1977-08-30 | Xerox Corporation | Method for electrostatically producing a color accented photocopy |
USRE31964E (en) * | 1974-06-17 | 1985-08-06 | Savin Corporation | Automatic development electrode bias control system |
US3892481A (en) * | 1974-06-17 | 1975-07-01 | Savin Business Machines Corp | Automatic development electrode bias control system |
US3936182A (en) * | 1974-08-12 | 1976-02-03 | Xerox Corporation | Control arrangement for an electrostatographic reproduction apparatus |
US3960444A (en) * | 1974-08-14 | 1976-06-01 | Xerox Corporation | Electrophotographic printing machine |
JPS5939742B2 (ja) * | 1975-10-03 | 1984-09-26 | キヤノン株式会社 | 複写機の制御装置 |
JPS5243439A (en) * | 1975-10-03 | 1977-04-05 | Ricoh Co Ltd | Generator for the bias voltage for the electrophotographic copying machine |
US4093457A (en) * | 1976-06-10 | 1978-06-06 | Xerox Corporation | Method of transfer |
DE2759637C2 (de) * | 1976-10-19 | 1986-01-30 | Ricoh Co., Ltd., Tokio/Tokyo | Einrichtung zur Einstellung der Entwicklungsspannung und/oder der Belichtungsstärke für ein elektrofotografisches Kopiergerät |
US4226525A (en) | 1976-10-19 | 1980-10-07 | Ricoh Company, Ltd. | Electrostatic copying machine |
GB1561923A (en) * | 1976-12-31 | 1980-03-05 | Xerox Corp | Control system for an electrostatogrophic copying machine |
JPS5393030A (en) * | 1977-01-27 | 1978-08-15 | Ricoh Co Ltd | Copying process control method of electrophotographic copying machine |
JPS5398834A (en) * | 1977-02-09 | 1978-08-29 | Canon Inc | Controller for electrostatic device |
DE2807317C3 (de) * | 1977-02-23 | 1982-02-11 | Ricoh Co., Ltd., Tokyo | Verfahren zur Einhaltung der Optimalbedingungen bei der Elektrofotografie |
JPS53106129A (en) * | 1977-02-28 | 1978-09-14 | Canon Inc | Recording electrostatic device |
JPS53136838A (en) * | 1977-05-04 | 1978-11-29 | Ricoh Co Ltd | Automatic controlling method of image quality in transfer type electrostatic copier |
JPS543546A (en) * | 1977-06-10 | 1979-01-11 | Canon Inc | Exposure device |
JPS543540A (en) * | 1977-06-10 | 1979-01-11 | Canon Inc | Automatic exposure device |
JPS5486347A (en) * | 1977-12-21 | 1979-07-09 | Canon Inc | Development stabilizing system |
JPS5497044A (en) * | 1978-01-17 | 1979-07-31 | Konishiroku Photo Ind Co Ltd | Toner concentration controller for zerographic copier |
CA1128114A (en) * | 1978-04-10 | 1982-07-20 | Clement C. Wilson | Test cycle quality control system for an electrophotographic machine |
JPS54141645A (en) * | 1978-04-26 | 1979-11-05 | Ricoh Co Ltd | Copy image adjusting method |
US4277162A (en) * | 1978-07-13 | 1981-07-07 | Ricoh Company, Ltd. | Electrophotographic apparatus comprising density sensor means |
US4348099A (en) * | 1980-04-07 | 1982-09-07 | Xerox Corporation | Closed loop control of reproduction machine |
JPS57100448A (en) * | 1980-12-16 | 1982-06-22 | Canon Inc | Color copying device |
JPS57100449A (en) * | 1980-12-16 | 1982-06-22 | Canon Inc | Color copying device |
DE3149668A1 (de) * | 1980-12-16 | 1982-07-15 | Canon K.K., Tokyo | "farbkopiergeraet" |
JPS57102670A (en) * | 1980-12-19 | 1982-06-25 | Canon Inc | Color copying machine |
GB2111674B (en) * | 1981-10-30 | 1985-09-25 | Konishiroku Photo Ind | Monitoring in electrostatic reproducing apparatus |
US4403848A (en) * | 1982-02-17 | 1983-09-13 | Xerox Corporation | Electronic color printing system |
JPS5844451A (ja) * | 1982-07-12 | 1983-03-15 | Canon Inc | 表面電位安定化方法 |
JPS5925545U (ja) * | 1982-08-11 | 1984-02-17 | 株式会社リコー | 両面複写機 |
US4600294A (en) * | 1983-04-01 | 1986-07-15 | Canon Kabushiki Kaisha | Image forming apparatus with detector and control |
DE3526878C2 (de) * | 1984-07-27 | 1997-10-02 | Konishiroku Photo Ind | Vorrichtung zur Erzeugung eines Mehrfarbbildes |
DE3586965T2 (de) * | 1984-10-22 | 1993-04-29 | Konishiroku Photo Ind | Verfahren und vorrichtung zur bildung mehrfarbiger bilder. |
JPS61166558A (ja) * | 1985-01-18 | 1986-07-28 | Konishiroku Photo Ind Co Ltd | 画像形成装置 |
US4607944A (en) * | 1985-06-07 | 1986-08-26 | Eastman Kodak Company | Apparatus for controlling toner replenishment in electrographic copier |
DE3530011C3 (de) * | 1985-08-22 | 1994-09-29 | Aeg Sensorsysteme Gmbh | Verfahren und Vorrichtung zur Unterdrückung des Einflusses von Störlicht bei einer Meßlichtschranke |
GB2180947B (en) * | 1985-08-31 | 1989-08-09 | Ricoh Kk | Image recording device |
DE3644355A1 (de) * | 1985-12-24 | 1987-07-30 | Toshiba Kawasaki Kk | Bilderzeugungsvorrichtung |
US4806980A (en) * | 1986-11-06 | 1989-02-21 | Eastman Kodak Company | Dynamic feedforward process control for electrographic machines |
US4780744A (en) * | 1987-02-18 | 1988-10-25 | Eastman Kodak Company | System for quality monitoring and control in an electrophotographic process |
US5124750A (en) * | 1989-09-05 | 1992-06-23 | Minolta Camera Kabushiki Kaisha | Toner density detecting method, and image forming method and apparatus employing the toner density detecting method |
US5153658A (en) * | 1991-08-09 | 1992-10-06 | Xerox Corporation | Mac cleaner brush film control |
JPH0553422A (ja) * | 1991-08-29 | 1993-03-05 | Minolta Camera Co Ltd | 画像形成装置 |
US5328787A (en) * | 1993-05-24 | 1994-07-12 | Eastman Kodak Company | Method for assessing and controlling the sensitometric characteristics of photographic products |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2956487A (en) * | 1955-03-23 | 1960-10-18 | Rca Corp | Electrostatic printing |
BE755383A (fr) * | 1969-08-29 | 1971-03-01 | Xerox Corp | Appareil pour le controle d'electrodes de developpement |
US3674532A (en) * | 1970-07-23 | 1972-07-04 | Eastman Kodak Co | Control for bias of magnetic brush and method |
-
1973
- 1973-05-17 US US00361112A patent/US3815988A/en not_active Expired - Lifetime
-
1974
- 1974-01-01 AR AR253772A patent/AR205710A1/es active
- 1974-02-22 CA CA193,290A patent/CA1036654A/en not_active Expired
- 1974-03-12 DE DE2411855A patent/DE2411855C3/de not_active Expired
- 1974-04-16 NL NL7405155.A patent/NL166805C/xx not_active IP Right Cessation
- 1974-05-10 JP JP5216374A patent/JPS5536144B2/ja not_active Expired
- 1974-05-14 FR FR7416693A patent/FR2230003B1/fr not_active Expired
- 1974-05-14 IT IT22689/74A patent/IT1012346B/it active
- 1974-05-15 BR BR3928/74A patent/BR7403928D0/pt unknown
- 1974-05-16 GB GB2177074A patent/GB1458707A/en not_active Expired
- 1974-05-16 ZA ZA00743132A patent/ZA743132B/xx unknown
- 1974-05-17 BE BE144468A patent/BE815209A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
FR2230003B1 (xx) | 1976-12-24 |
GB1458707A (en) | 1976-12-15 |
DE2411855C3 (de) | 1979-06-21 |
ZA743132B (en) | 1975-05-28 |
NL166805B (nl) | 1981-04-15 |
NL166805C (nl) | 1981-09-15 |
JPS5536144B2 (xx) | 1980-09-18 |
BR7403928D0 (pt) | 1975-01-21 |
JPS5020730A (xx) | 1975-03-05 |
US3815988A (en) | 1974-06-11 |
DE2411855B2 (de) | 1978-10-12 |
AR205710A1 (es) | 1976-05-31 |
NL7405155A (xx) | 1974-11-19 |
IT1012346B (it) | 1977-03-10 |
CA1036654A (en) | 1978-08-15 |
FR2230003A1 (xx) | 1974-12-13 |
DE2411855A1 (de) | 1974-12-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
BE815209A (fr) | Appareil de commande de la densite de seuil d'une image et machine utilisant cet appareil | |
FR2337394A1 (fr) | Dispositif ferro-electrique de formation d'images | |
FR2340571A1 (fr) | Appareil de commande d'actionnement de prothese | |
BE773386A (fr) | Dispositif de formation d'image | |
FR2304124A1 (fr) | Appareil de commande de l'affichage d'images sur un televiseur | |
FR95209E (fr) | Systeme de commande d'approvisionnement en substance d'impression. | |
NL7804804A (nl) | Beeldhelderheidsregelinrichting. | |
BE750661A (fr) | Systeme perfectionne de controle et de commande d'images | |
FR2280143A1 (fr) | Appareil de commande des canaux entree/sortie d'un ordinateur | |
BE801429A (fr) | Dispositif de controle d'un equipement de radionavigation | |
IT7824456A0 (it) | Barretta di stampa di un'immagine. | |
BE764809A (fr) | Appareil de commande d'ecoulement | |
BE756904A (fr) | Dispositif de commande d'un electro-aimant | |
FR1466592A (fr) | Appareil et procédé de commande d'imprimante | |
BE790436A (fr) | Systeme d'impression electrophotographique | |
CH534760A (fr) | Dispositif de commande des barres à passettes d'un métier Rachel | |
FR2308958A1 (fr) | Chambre de formation d'images radiographiques | |
BE793591A (fr) | Dispositif d'etancheite | |
IT1024836B (it) | Dispositivo comprendente un turo intensificatore d immagine | |
FR1480734A (fr) | Dispositif de contrôle d'impression de caractères | |
BE807239A (fr) | Dispositif de melange de developpement des images electrostatiques | |
FR2001922A1 (fr) | Appareil generateur de signaux d'images en couleur | |
IT7824455A0 (it) | Barretta di stampa di un'immagine. | |
FR1499603A (fr) | Convertisseur d'images | |
FR2293841A1 (fr) | Dispositif de visualisation d'images |