FR2155223A5 - - Google Patents
Info
- Publication number
- FR2155223A5 FR2155223A5 FR7228218A FR7228218A FR2155223A5 FR 2155223 A5 FR2155223 A5 FR 2155223A5 FR 7228218 A FR7228218 A FR 7228218A FR 7228218 A FR7228218 A FR 7228218A FR 2155223 A5 FR2155223 A5 FR 2155223A5
- Authority
- FR
- France
- 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
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
- G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
- G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
- G03G15/0822—Arrangements for preparing, mixing, supplying or dispensing developer
- G03G15/0848—Arrangements for testing or measuring developer properties or quality, e.g. charge, size, flowability
- G03G15/0849—Detection or control means for the developer concentration
- G03G15/0855—Detection or control means for the developer concentration the concentration being measured by optical means
-
- 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
- G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
- G03G15/0822—Arrangements for preparing, mixing, supplying or dispensing developer
- G03G15/0887—Arrangements for conveying and conditioning developer in the developing unit, e.g. agitating, removing impurities or humidity
- G03G15/0891—Arrangements for conveying and conditioning developer in the developing unit, e.g. agitating, removing impurities or humidity for conveying or circulating developer, e.g. augers
-
- 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
- G03G15/50—Machine control of apparatus for electrographic processes using a charge pattern, e.g. regulating differents parts of the machine, multimode copiers, microprocessor control
- G03G15/5033—Machine control of apparatus for electrographic processes using a charge pattern, e.g. regulating differents parts of the machine, multimode copiers, microprocessor control by measuring the photoconductor characteristics, e.g. temperature, or the characteristics of an image on the photoconductor
- G03G15/5041—Detecting a toner image, e.g. density, toner coverage, using a test patch
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Dry Development In Electrophotography (AREA)
- Control Or Security For Electrophotography (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19712139323 DE2139323C3 (de) | 1971-08-06 | Vorrichtung zur Messung der Tonerkonzentration des Entwicklers in einer Entwicklungsstation |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2155223A5 true FR2155223A5 (fr) | 1973-05-18 |
Family
ID=5815922
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7228218A Expired FR2155223A5 (fr) | 1971-08-06 | 1972-08-04 |
Country Status (6)
Country | Link |
---|---|
US (1) | US3924462A (fr) |
JP (1) | JPS5538666B2 (fr) |
AU (1) | AU477133B2 (fr) |
FR (1) | FR2155223A5 (fr) |
GB (1) | GB1401659A (fr) |
NL (1) | NL7210357A (fr) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4000944A (en) * | 1975-02-18 | 1977-01-04 | Xerox Corporation | Photoreceptor for electrostatic reproduction machines with built-in electrode |
US4211558A (en) * | 1975-07-23 | 1980-07-08 | Konishiroku Photo Industry Co., Ltd. | Color printing method |
US4082445A (en) * | 1975-11-21 | 1978-04-04 | Xerox Corporation | Toner control system for an electrostatic reproduction machine |
JPS52119233A (en) * | 1976-03-08 | 1977-10-06 | Sharp Corp | Toner supply means |
US4183657A (en) * | 1978-04-10 | 1980-01-15 | International Business Machines Corporation | Dynamic reference for an image quality control system |
CA1128114A (fr) * | 1978-04-10 | 1982-07-20 | Clement C. Wilson | Systeme de controle de la qualite durant un cycle d'essai pour machine electrophotographique |
JPS5433728A (en) * | 1978-08-10 | 1979-03-12 | Canon Inc | Zerography |
JPS5433727A (en) * | 1978-08-10 | 1979-03-12 | Canon Inc | Zerography |
US4347299A (en) * | 1978-08-16 | 1982-08-31 | Minolta Camera Kabushiki Kaisha | Method of controlling toner concentration for electrophotographic copying apparatus |
US4607944A (en) * | 1985-06-07 | 1986-08-26 | Eastman Kodak Company | Apparatus for controlling toner replenishment in electrographic copier |
Family Cites Families (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2956487A (en) * | 1955-03-23 | 1960-10-18 | Rca Corp | Electrostatic printing |
US3094049A (en) * | 1961-02-03 | 1963-06-18 | Xerox Corp | Xerographic developer measuring apparatus |
US3129113A (en) * | 1962-02-13 | 1964-04-14 | Xerox Corp | Automatic powder applicator apparatus |
US3251761A (en) * | 1962-08-28 | 1966-05-17 | Bayer Ag | Process for the production of organic compounds containing nitrogen and chlorine combined in an-n=ccl-radical |
US3348521A (en) * | 1962-08-28 | 1967-10-24 | Xerox Corp | Automatic toner control system |
US3233781A (en) * | 1963-05-08 | 1966-02-08 | Savin Business Machines Corp | Toner control system |
US3348523A (en) * | 1965-04-07 | 1967-10-24 | Xerox Corp | Automatic toner control system |
US3376853A (en) * | 1966-04-29 | 1968-04-09 | Xerox Corp | Electrostatic toner control |
US3376854A (en) * | 1966-06-01 | 1968-04-09 | Xerox Corp | Automatic toner dispensing control |
US3382796A (en) * | 1967-01-10 | 1968-05-14 | Continental Can Co | Apparatus for continuous electrostatic screen printing with density control |
US3399652A (en) * | 1967-06-14 | 1968-09-03 | Addressograph Multigraph | Automatic toner concentrate detector |
US3409901A (en) * | 1967-07-12 | 1968-11-05 | Ibm | Automatic toner concentration control for use with crt input |
US3430606A (en) * | 1968-01-02 | 1969-03-04 | Xerox Corp | Electroscopic particle sensor |
US3526338A (en) * | 1968-01-02 | 1970-09-01 | Xerox Corp | Method and controller for dispensing electroscopic material |
US3527387A (en) * | 1968-05-24 | 1970-09-08 | Xerox Corp | Developer replenishing programming system |
US3677222A (en) * | 1969-02-24 | 1972-07-18 | Canon Kk | Device for automatically regulating the concentration of developing solution |
US3682132A (en) * | 1969-03-03 | 1972-08-08 | Xerox Corp | Automatic developer controller |
BE757430A (fr) * | 1969-10-17 | 1971-04-13 | Xerox Corp | Systeme de commande automatique de developpabilite |
US3712203A (en) * | 1969-11-15 | 1973-01-23 | Iwatsu Electric Co Ltd | Automatic control device for the toner concentration within a developer in an electrostatic copy machine |
US3659556A (en) * | 1970-08-19 | 1972-05-02 | Xerox Corp | Programmable toner dispenser |
US3674353A (en) * | 1971-07-01 | 1972-07-04 | Eastman Kodak Co | Toner concentration control apparatus |
NL7210356A (fr) * | 1971-08-06 | 1973-02-08 | ||
US3756192A (en) * | 1971-12-17 | 1973-09-04 | Ibm | Automatic toner concentration control system |
US3777173A (en) * | 1972-02-22 | 1973-12-04 | Dyke Res Van | Xerographic toner concentration measuring apparatus and method |
US3791744A (en) * | 1972-02-22 | 1974-02-12 | Dyk Res Corp Van | Xerographic toner concentration measuring apparatus and method |
-
1972
- 1972-07-27 NL NL7210357A patent/NL7210357A/xx unknown
- 1972-08-04 FR FR7228218A patent/FR2155223A5/fr not_active Expired
- 1972-08-04 GB GB3656572A patent/GB1401659A/en not_active Expired
- 1972-08-04 AU AU45313/72A patent/AU477133B2/en not_active Expired
- 1972-08-07 JP JP7903272A patent/JPS5538666B2/ja not_active Expired
- 1972-08-07 US US278254A patent/US3924462A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE2139323B2 (de) | 1977-06-23 |
JPS5538666B2 (fr) | 1980-10-06 |
AU477133B2 (en) | 1976-10-14 |
US3924462A (en) | 1975-12-09 |
NL7210357A (fr) | 1973-02-08 |
AU4531372A (en) | 1974-02-07 |
DE2139323A1 (de) | 1973-02-15 |
JPS4829448A (fr) | 1973-04-19 |
GB1401659A (en) | 1975-07-16 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |