GB1302687A - - Google Patents

Info

Publication number
GB1302687A
GB1302687A GB4958570A GB4958570A GB1302687A GB 1302687 A GB1302687 A GB 1302687A GB 4958570 A GB4958570 A GB 4958570A GB 4958570 A GB4958570 A GB 4958570A GB 1302687 A GB1302687 A GB 1302687A
Authority
GB
United Kingdom
Prior art keywords
roll
oct
section
powder level
tray
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
Application number
GB4958570A
Other languages
English (en)
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 filed Critical
Publication of GB1302687A publication Critical patent/GB1302687A/en
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)
GB4958570A 1969-10-20 1970-10-19 Expired GB1302687A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB1302687A true GB1302687A (enrdf_load_stackoverflow) 1973-01-10

Family

ID=25349890

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4958570A Expired GB1302687A (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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4289026A (en) * 1978-10-09 1981-09-15 Hoechst Aktiengesellschaft Level indicating device

Families Citing this family (5)

* 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
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4289026A (en) * 1978-10-09 1981-09-15 Hoechst Aktiengesellschaft Level indicating device

Also Published As

Publication number Publication date
US3593842A (en) 1971-07-20
DE2053141A1 (de) 1971-05-06
DE2053141B2 (de) 1973-02-15
JPS4920226B1 (enrdf_load_stackoverflow) 1974-05-23
FR2064437A1 (enrdf_load_stackoverflow) 1971-07-23
FR2064437B1 (enrdf_load_stackoverflow) 1974-09-20

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee