FR2064437A1 - - Google Patents

Info

Publication number
FR2064437A1
FR2064437A1 FR7037592A FR7037592A FR2064437A1 FR 2064437 A1 FR2064437 A1 FR 2064437A1 FR 7037592 A FR7037592 A FR 7037592A FR 7037592 A FR7037592 A FR 7037592A FR 2064437 A1 FR2064437 A1 FR 2064437A1
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.)
Granted
Application number
FR7037592A
Other languages
French (fr)
Other versions
FR2064437B1 (enrdf_load_stackoverflow
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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing Co
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 Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Publication of FR2064437A1 publication Critical patent/FR2064437A1/fr
Application granted granted Critical
Publication of FR2064437B1 publication Critical patent/FR2064437B1/fr
Expired legal-status Critical Current

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
    • G03G15/0856—Detection or control means for the developer level

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Dry Development In Electrophotography (AREA)
  • Electrostatic Spraying Apparatus (AREA)
  • Non-Mechanical Conveyors (AREA)
FR7037592A 1969-10-20 1970-10-19 Expired FR2064437B1 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US86749569A 1969-10-20 1969-10-20

Publications (2)

Publication Number Publication Date
FR2064437A1 true FR2064437A1 (enrdf_load_stackoverflow) 1971-07-23
FR2064437B1 FR2064437B1 (enrdf_load_stackoverflow) 1974-09-20

Family

ID=25349890

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7037592A Expired FR2064437B1 (enrdf_load_stackoverflow) 1969-10-20 1970-10-19

Country Status (5)

Country Link
US (1) US3593842A (enrdf_load_stackoverflow)
JP (1) JPS4920226B1 (enrdf_load_stackoverflow)
DE (1) DE2053141B2 (enrdf_load_stackoverflow)
FR (1) FR2064437B1 (enrdf_load_stackoverflow)
GB (1) GB1302687A (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3979022A (en) * 1972-06-28 1976-09-07 Xerox Corporation Monitoring device
DE2747128C3 (de) * 1976-10-20 1980-01-24 Sharp K.K., Osaka (Japan) Prüfvorrichtung für die Menge an Entwicklerpulver in einem elektrofotografischen Kopiergerät
US4270487A (en) * 1977-10-27 1981-06-02 Hitachi, Ltd. Developer regulating device in developing apparatus
DE2843937A1 (de) * 1978-10-09 1980-04-24 Hoechst Ag Vorrichtung zur anzeige des unterschreitens einer bestimmten fuellhoehe des in einem behaelter befindlichen dosiergutes
US4292530A (en) * 1980-03-03 1981-09-29 Minnesota Mining And Manufacturing Company Developer material level sensor
US5694974A (en) * 1996-01-24 1997-12-09 Goss Graphic Systems, Inc. Fluid level detection system for ink in a printing press

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2909766A (en) * 1958-07-08 1959-10-20 Michael J Bozich Bin level indicator
US2977772A (en) * 1960-01-04 1961-04-04 Dole Valve Co Ice level sensing mechanism

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Also Published As

Publication number Publication date
DE2053141A1 (de) 1971-05-06
FR2064437B1 (enrdf_load_stackoverflow) 1974-09-20
JPS4920226B1 (enrdf_load_stackoverflow) 1974-05-23
DE2053141B2 (de) 1973-02-15
GB1302687A (enrdf_load_stackoverflow) 1973-01-10
US3593842A (en) 1971-07-20

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Legal Events

Date Code Title Description
ST Notification of lapse