FR2077575B1 - - Google Patents

Info

Publication number
FR2077575B1
FR2077575B1 FR707047630A FR7047630A FR2077575B1 FR 2077575 B1 FR2077575 B1 FR 2077575B1 FR 707047630 A FR707047630 A FR 707047630A FR 7047630 A FR7047630 A FR 7047630A FR 2077575 B1 FR2077575 B1 FR 2077575B1
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
Application number
FR707047630A
Other versions
FR2077575A1 (fr
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 FR2077575A1 publication Critical patent/FR2077575A1/fr
Application granted granted Critical
Publication of FR2077575B1 publication Critical patent/FR2077575B1/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S222/00—Dispensing
    • Y10S222/01—Xerography
FR707047630A 1969-12-29 1970-12-22 Expired FR2077575B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US88872769A 1969-12-29 1969-12-29

Publications (2)

Publication Number Publication Date
FR2077575A1 FR2077575A1 (fr) 1971-10-29
FR2077575B1 true FR2077575B1 (fr) 1973-02-02

Family

ID=25393765

Family Applications (1)

Application Number Title Priority Date Filing Date
FR707047630A Expired FR2077575B1 (fr) 1969-12-29 1970-12-22

Country Status (12)

Country Link
US (1) US3635373A (fr)
JP (1) JPS508941B1 (fr)
BE (1) BE760748A (fr)
CA (1) CA923546A (fr)
CH (1) CH524843A (fr)
DE (1) DE2062961C3 (fr)
ES (1) ES386750A1 (fr)
FR (1) FR2077575B1 (fr)
GB (1) GB1336590A (fr)
NL (1) NL7018823A (fr)
PL (1) PL84605B1 (fr)
SE (1) SE362511B (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3873197A (en) * 1973-11-15 1975-03-25 Xerox Corp Apparatus for regulating the toner concentration in a electrophotographic device
US3926145A (en) * 1974-03-04 1975-12-16 Honeywell Inf Systems Toner concentration detector
US4043293A (en) * 1976-05-03 1977-08-23 Xerox Corporation Developability regulating apparatus
JPS53137860U (fr) * 1977-04-06 1978-10-31
US4579253A (en) * 1977-05-17 1986-04-01 Savin Corporation Toner control system
JPS5438131A (en) * 1977-09-01 1979-03-22 Olympus Optical Co Ltd Toner concentration detecting method of dry type two component developer
US4346985A (en) * 1979-06-25 1982-08-31 Xerox Corporation Automatic development control
US4447145A (en) * 1982-04-30 1984-05-08 Xerox Corporation Charged particle sensor
US4633728A (en) * 1985-09-05 1987-01-06 Ford Motor Company Gear selector control for manual transmission
US4662313A (en) * 1985-10-23 1987-05-05 Xerox Corporation Image density controller
DE3542812A1 (de) * 1985-12-04 1987-06-11 Ford Werke Ag Schaltsperre fuer den rueckwaertsgang eines mehrgaengigen wechselgetriebes
DE3806286A1 (de) * 1988-02-27 1989-08-31 Meteor Siegen Apparat Schmeck Vorrichtung zur regelung der tonerkonzentration einer tonerfluessigkeit in einem kopiergeraet
JP2000304693A (ja) * 1999-04-16 2000-11-02 Nec Niigata Ltd 現像液の濃度測定方法、その装置および転写装置
US20030113649A1 (en) * 2001-12-12 2003-06-19 Xerox Corporation Developer composition having improved noise signal ratio in an optical toner concentration sensing system
JP6004799B2 (ja) * 2012-07-10 2016-10-12 キヤノン株式会社 現像剤収容容器及び画像形成装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3376854A (en) * 1966-06-01 1968-04-09 Xerox Corp Automatic toner dispensing control
US3526338A (en) * 1968-01-02 1970-09-01 Xerox Corp Method and controller for dispensing electroscopic material
US3430606A (en) * 1968-01-02 1969-03-04 Xerox Corp Electroscopic particle sensor

Also Published As

Publication number Publication date
ES386750A1 (es) 1973-03-16
GB1336590A (en) 1973-11-07
DE2062961C3 (de) 1981-07-09
CH524843A (de) 1972-06-30
FR2077575A1 (fr) 1971-10-29
DE2062961A1 (de) 1971-07-01
NL7018823A (fr) 1971-07-01
PL84605B1 (fr) 1976-04-30
US3635373A (en) 1972-01-18
JPS508941B1 (fr) 1975-04-08
BE760748A (fr) 1971-06-23
SE362511B (fr) 1973-12-10
CA923546A (en) 1973-03-27
DE2062961B2 (de) 1980-07-03

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Legal Events

Date Code Title Description
ST Notification of lapse