DE1572356A1 - Elektro-fotografisches Kopiergeraet - Google Patents

Elektro-fotografisches Kopiergeraet

Info

Publication number
DE1572356A1
DE1572356A1 DE19671572356 DE1572356A DE1572356A1 DE 1572356 A1 DE1572356 A1 DE 1572356A1 DE 19671572356 DE19671572356 DE 19671572356 DE 1572356 A DE1572356 A DE 1572356A DE 1572356 A1 DE1572356 A1 DE 1572356A1
Authority
DE
Germany
Prior art keywords
container
light
toner
containers
light source
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.)
Pending
Application number
DE19671572356
Other languages
German (de)
English (en)
Inventor
Hansen Walter Joseph
George Matkovitch
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.)
Pitney Bowes Inc
Original Assignee
Pitney Bowes Inc
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 Pitney Bowes Inc filed Critical Pitney Bowes Inc
Publication of DE1572356A1 publication Critical patent/DE1572356A1/de
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
    • G01F23/284—Electromagnetic waves
    • G01F23/292—Light, e.g. infrared or ultraviolet
    • G01F23/2921—Light, e.g. infrared or ultraviolet for discrete levels
    • 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
    • G03G15/10—Apparatus for electrographic processes using a charge pattern for developing using a liquid developer
    • G03G15/104—Preparing, mixing, transporting or dispensing developer

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Wet Developing In Electrophotography (AREA)
DE19671572356 1966-05-31 1967-05-30 Elektro-fotografisches Kopiergeraet Pending DE1572356A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US55418366A 1966-05-31 1966-05-31

Publications (1)

Publication Number Publication Date
DE1572356A1 true DE1572356A1 (de) 1970-02-12

Family

ID=24212354

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19671572356 Pending DE1572356A1 (de) 1966-05-31 1967-05-30 Elektro-fotografisches Kopiergeraet

Country Status (6)

Country Link
US (1) US3468604A (fr)
CH (1) CH461274A (fr)
DE (1) DE1572356A1 (fr)
FR (1) FR1531708A (fr)
GB (1) GB1181575A (fr)
SE (1) SE331949B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3890721A (en) * 1972-12-26 1975-06-24 Canon Kk Developing liquid recovery device in a copying machine
US5161411A (en) * 1991-10-02 1992-11-10 Bindicator Company Material level indication
US5975352A (en) * 1997-08-28 1999-11-02 Ecolab Inc. Dispenser
KR20000040187A (ko) 1998-12-17 2000-07-05 윤종용 용기내에 저수된 액체의 저수 레벨 측정장치

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1955315A (en) * 1934-04-17 photosensitive devics x
US1928235A (en) * 1930-10-07 1933-09-26 Hughes Ind Co Ltd Apparatus for treating films
US2056584A (en) * 1935-03-27 1936-10-06 Bruning Charles Co Inc Apparatus for developing prints
US3120125A (en) * 1960-08-03 1964-02-04 American Pyrotector Inc Liquid level determining devices and method
US3094214A (en) * 1961-05-05 1963-06-18 Industrial Automation Corp Automatic container fill-height inspection machine
US3354802A (en) * 1964-07-22 1967-11-28 Savin Business Machines Corp Toner monitoring system for electrostatic copier

Also Published As

Publication number Publication date
FR1531708A (fr) 1968-07-05
US3468604A (en) 1969-09-23
CH461274A (de) 1968-08-15
SE331949B (fr) 1971-01-18
GB1181575A (en) 1970-02-18

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