JPH0330142B2 - - Google Patents

Info

Publication number
JPH0330142B2
JPH0330142B2 JP55056078A JP5607880A JPH0330142B2 JP H0330142 B2 JPH0330142 B2 JP H0330142B2 JP 55056078 A JP55056078 A JP 55056078A JP 5607880 A JP5607880 A JP 5607880A JP H0330142 B2 JPH0330142 B2 JP H0330142B2
Authority
JP
Japan
Prior art keywords
signal
control
potential
conversion
drum
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
JP55056078A
Other languages
English (en)
Japanese (ja)
Other versions
JPS56151947A (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
Priority to JP5607880A priority Critical patent/JPS56151947A/ja
Priority to DE19813116425 priority patent/DE3116425A1/de
Priority to GB8112685A priority patent/GB2077066B/en
Publication of JPS56151947A publication Critical patent/JPS56151947A/ja
Priority to GB08319800A priority patent/GB2140995B/en
Priority to US06/539,963 priority patent/US4571725A/en
Publication of JPH0330142B2 publication Critical patent/JPH0330142B2/ja
Granted 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
    • G03G15/55—Self-diagnostics; Malfunction or lifetime display
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/10—Calibration or testing
    • H03M1/1071—Measuring or testing

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Testing And Monitoring For Control Systems (AREA)
JP5607880A 1980-04-26 1980-04-26 Image former having diagnosis function Granted JPS56151947A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP5607880A JPS56151947A (en) 1980-04-26 1980-04-26 Image former having diagnosis function
DE19813116425 DE3116425A1 (de) 1980-04-26 1981-04-24 Bilderzeugungsgeraet mit einer fehlersuchfunktion
GB8112685A GB2077066B (en) 1980-04-26 1981-04-24 Image formation apparatus having a diagnosing function
GB08319800A GB2140995B (en) 1980-04-26 1983-07-22 Image formation apparatus having a diagnosing function
US06/539,963 US4571725A (en) 1980-04-26 1983-10-07 Image formation apparatus having a diagnosing function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5607880A JPS56151947A (en) 1980-04-26 1980-04-26 Image former having diagnosis function

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP62104911A Division JPS6333668A (ja) 1987-04-27 1987-04-27 診断機能を有する像形成装置

Publications (2)

Publication Number Publication Date
JPS56151947A JPS56151947A (en) 1981-11-25
JPH0330142B2 true JPH0330142B2 (en, 2012) 1991-04-26

Family

ID=13017043

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5607880A Granted JPS56151947A (en) 1980-04-26 1980-04-26 Image former having diagnosis function

Country Status (4)

Country Link
US (1) US4571725A (en, 2012)
JP (1) JPS56151947A (en, 2012)
DE (1) DE3116425A1 (en, 2012)
GB (2) GB2077066B (en, 2012)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5610810A (en) * 1981-09-06 1997-03-11 Canon Kabushiki Kaisha Apparatus for correcting errors in a digital-to-analog converter
JPH0612479B2 (ja) * 1982-11-30 1994-02-16 三田工業株式会社 複写機のメインテナンス用画像濃度調整装置
JPS60103364A (ja) * 1983-11-11 1985-06-07 Fuji Xerox Co Ltd 静電電位計異常検出装置
JPH0616192B2 (ja) * 1984-11-16 1994-03-02 三田工業株式会社 複写機の異常状態判別方法
CA1316980C (en) * 1988-12-27 1993-04-27 Daniel C. Hughey Power supply
JP2844815B2 (ja) * 1990-03-16 1999-01-13 株式会社デンソー 車両用電子制御装置
US6633335B1 (en) 1998-02-28 2003-10-14 Hyundai Electronics Industries Co., Ltd. CMOS image sensor with testing circuit for verifying operation thereof
JP5230405B2 (ja) * 2008-12-26 2013-07-10 キヤノン株式会社 表面電位測定装置及び画像形成装置
JP7225535B2 (ja) * 2017-12-27 2023-02-21 ブラザー工業株式会社 画像形成装置

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL293852A (en, 2012) * 1962-06-08
GB1070779A (en) * 1964-11-20 1967-06-01 Hawker Siddeley Dynamics Ltd Improvements in or relating to analogue-to-digital converters
GB1170448A (en) * 1966-05-24 1969-11-12 Marconi Co Ltd Improvements in or relating to Methods of and Apparatus for Testing Encoders and Decoders in P.C.M. Transmission Systems
GB1172830A (en) * 1966-08-02 1969-12-03 Solartron Electronic Group Apparatus for the Automatic Calibration of Digital Instruments.
GB1190631A (en) * 1966-10-21 1970-05-06 Gen Electric Error Correction Circuits for Analog Signal Processing.
CH495094A (de) * 1968-08-12 1970-08-15 Standard Telephon & Radio Ag Verfahren zur Überwachung der Arbeitsweise von Coder- und Decoderschaltungen in einer PCM-Zeitmultiplex-Anlage
FR2067826A5 (en, 2012) * 1969-11-18 1971-08-20 Labo Cent Telecommunicat
NL7100210A (en, 2012) * 1971-01-08 1972-07-11
JPS5329417B2 (en, 2012) * 1973-02-26 1978-08-21
US3866171A (en) * 1974-01-18 1975-02-11 Reliance Electric Co Display verifier
US4031367A (en) * 1975-03-31 1977-06-21 Schlumberger Technology Corporation Methods and apparatus for pulse height analyzer offset control
DE2710479C2 (de) * 1976-04-15 1986-09-25 Xerox Corp., Rochester, N.Y. Steuersystem für Verarbeitungsstationen in einem elektro-statographischen Reproduziergerät
JPS5450329A (en) * 1977-09-28 1979-04-20 Ricoh Co Ltd Copier control device using plural micro-computers
JPS54127332A (en) * 1978-03-27 1979-10-03 Fuji Electric Co Ltd Inspection apparatus of electrophotographic copier
GB2022348B (en) * 1978-05-31 1982-09-02 British Aerospace Analogue to digital converter with compensation for off-set erros
JPS5534817A (en) * 1978-08-31 1980-03-11 Tokyo Electric Power Co Converter
DE2841073A1 (de) * 1978-09-21 1980-04-03 Ruhrtal Gmbh Schaltungsanordnung zur verarbeitung von elektrisch dargestellten informationen
US4266292A (en) * 1978-11-20 1981-05-05 Wescom Switching, Inc. Method and apparatus for testing analog-to-digital and digital-to-analog code converters
SE417149B (sv) * 1979-03-30 1981-02-23 Ericsson Telefon Ab L M Overvakningssett och - anordning for signalamplitudomvandlare
US4310893A (en) * 1979-12-12 1982-01-12 Reliance Electric Company Digital scale

Also Published As

Publication number Publication date
GB2140995B (en) 1985-06-19
GB2077066B (en) 1985-01-16
DE3116425C2 (en, 2012) 1993-06-09
DE3116425A1 (de) 1982-01-21
GB2140995A (en) 1984-12-05
JPS56151947A (en) 1981-11-25
US4571725A (en) 1986-02-18
GB8319800D0 (en) 1983-08-24
GB2077066A (en) 1981-12-09

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