JPH0467190B2 - - Google Patents

Info

Publication number
JPH0467190B2
JPH0467190B2 JP58018273A JP1827383A JPH0467190B2 JP H0467190 B2 JPH0467190 B2 JP H0467190B2 JP 58018273 A JP58018273 A JP 58018273A JP 1827383 A JP1827383 A JP 1827383A JP H0467190 B2 JPH0467190 B2 JP H0467190B2
Authority
JP
Japan
Prior art keywords
toner particles
developer
prism
light
toner
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
Application number
JP58018273A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58147764A (ja
Inventor
Suneringu Kurisutofuaa
Jii Riishii Dosan
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xerox Corp
Original Assignee
Xerox Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Xerox Corp filed Critical Xerox Corp
Publication of JPS58147764A publication Critical patent/JPS58147764A/ja
Publication of JPH0467190B2 publication Critical patent/JPH0467190B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/55—Specular reflectivity
    • 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
    • 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
    • G03G15/0856—Detection or control means for the developer level
    • G03G15/0862—Detection or control means for the developer level the level being measured by optical means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Dry Development In Electrophotography (AREA)
  • Control Or Security For Electrophotography (AREA)
JP58018273A 1982-02-16 1983-02-08 静電的に帯電された粒子を感知する装置 Granted JPS58147764A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US06/349,107 US4431300A (en) 1982-02-16 1982-02-16 Automatic developability sensing in electrophotographic printing
US349107 1982-02-16
US373477 1982-04-30

Publications (2)

Publication Number Publication Date
JPS58147764A JPS58147764A (ja) 1983-09-02
JPH0467190B2 true JPH0467190B2 (en, 2012) 1992-10-27

Family

ID=23370940

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58018273A Granted JPS58147764A (ja) 1982-02-16 1983-02-08 静電的に帯電された粒子を感知する装置

Country Status (2)

Country Link
US (1) US4431300A (en, 2012)
JP (1) JPS58147764A (en, 2012)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10427722B2 (en) 2006-12-22 2019-10-01 Sika Technology Ag Reinforcing system for reinforcing a cavity of a structural element

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57172235A (en) * 1981-04-16 1982-10-23 Olympus Optical Co Ltd Detector for toner density
US4648702A (en) * 1982-10-27 1987-03-10 Canon Kabushiki Kaisha Toner density detector and toner supplier
US4536080A (en) * 1983-08-19 1985-08-20 Xerox Corporation Developer material end of life sensing
US4537494A (en) * 1984-01-26 1985-08-27 Xerox Corporation Multi-roll development system
US4804996A (en) * 1984-06-21 1989-02-14 Xerox Corporation Charged particle sensor having magnetic field control
US4607944A (en) * 1985-06-07 1986-08-26 Eastman Kodak Company Apparatus for controlling toner replenishment in electrographic copier
JPS62229170A (ja) * 1986-03-29 1987-10-07 Toshiba Corp 画像形成装置
US5074149A (en) * 1991-03-26 1991-12-24 Xerox Corporation Acoustic wave measurement of the properties of porous materials filled with air and granules
JP3023009B2 (ja) * 1991-05-14 2000-03-21 ミノルタ株式会社 光学式トナー濃度検出方法におけるトラブル検出方法
US5506664A (en) * 1994-05-05 1996-04-09 Eastman Kodak Company Sensor for measuring toner applying capability
US5530529A (en) * 1994-12-21 1996-06-25 Xerox Corporation Fluid sensing aparatus
US5933684A (en) * 1998-01-08 1999-08-03 Xerox Corporation Interactivity sensor for electrophotographic printing

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3233781A (en) * 1963-05-08 1966-02-08 Savin Business Machines Corp Toner control system
US3431411A (en) * 1964-05-28 1969-03-04 Philips Corp Infrared spectra of powders by means of internal reflection spectroscopy
US3460893A (en) * 1965-09-15 1969-08-12 Wilks Scientific Corp Apparatus for analyzing a continuously moving strip by means of attenuated total reflection
GB1264326A (en, 2012) * 1968-06-20 1972-02-23
BE757430A (fr) * 1969-10-17 1971-04-13 Xerox Corp Systeme de commande automatique de developpabilite
US3777173A (en) * 1972-02-22 1973-12-04 Dyke Res Van Xerographic toner concentration measuring apparatus and method
JPS4984031A (en, 2012) * 1972-12-20 1974-08-13
JPS6019504B2 (ja) * 1976-04-23 1985-05-16 キヤノン株式会社 現像剤の濃度調整方法及びその装置
US4226525A (en) * 1976-10-19 1980-10-07 Ricoh Company, Ltd. Electrostatic copying machine
JPS5420742A (en) * 1977-07-15 1979-02-16 Canon Inc Concentration detecting method of developer
US4155638A (en) * 1978-03-02 1979-05-22 Eastman Kodak Company Toner concentration monitor
JPS54115240A (en) * 1978-02-28 1979-09-07 Ricoh Co Ltd Developing ability detector
US4273843A (en) * 1978-06-12 1981-06-16 Konishiroku Photo Industry Co., Ltd. Method of detecting toner concentration in electrophotographic copying machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10427722B2 (en) 2006-12-22 2019-10-01 Sika Technology Ag Reinforcing system for reinforcing a cavity of a structural element

Also Published As

Publication number Publication date
US4431300A (en) 1984-02-14
JPS58147764A (ja) 1983-09-02

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