[go: up one dir, main page]

JPS564062A - Surface electrometer - Google Patents

Surface electrometer

Info

Publication number
JPS564062A
JPS564062A JP7986079A JP7986079A JPS564062A JP S564062 A JPS564062 A JP S564062A JP 7986079 A JP7986079 A JP 7986079A JP 7986079 A JP7986079 A JP 7986079A JP S564062 A JPS564062 A JP S564062A
Authority
JP
Japan
Prior art keywords
electrode
voltage
electrometer
measuring
electric
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.)
Granted
Application number
JP7986079A
Other languages
English (en)
Other versions
JPH036467B2 (ja
Inventor
Koji Suzuki
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.)
Canon Inc
Original Assignee
Canon 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 Canon Inc filed Critical Canon Inc
Priority to JP7986079A priority Critical patent/JPS564062A/ja
Priority to US06/141,885 priority patent/US4367948A/en
Priority to GB8013382A priority patent/GB2050633B/en
Priority to DE19803015859 priority patent/DE3015859A1/de
Publication of JPS564062A publication Critical patent/JPS564062A/ja
Priority to US06/714,574 priority patent/US4683436A/en
Publication of JPH036467B2 publication Critical patent/JPH036467B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Control Or Security For Electrophotography (AREA)
JP7986079A 1979-04-24 1979-06-25 Surface electrometer Granted JPS564062A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP7986079A JPS564062A (en) 1979-06-25 1979-06-25 Surface electrometer
US06/141,885 US4367948A (en) 1979-04-24 1980-04-21 Surface potential electrometer and image forming apparatus using the same
GB8013382A GB2050633B (en) 1979-04-24 1980-04-23 Surface potential electrometer and image forming apparatus using the same
DE19803015859 DE3015859A1 (de) 1979-04-24 1980-04-24 Oberflaechenpotential-elektrometer und mit diesem ausgestattetes bilderzeugungsgeraet
US06/714,574 US4683436A (en) 1979-04-24 1985-03-21 Surface potential electrometer and image forming apparatus using the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7986079A JPS564062A (en) 1979-06-25 1979-06-25 Surface electrometer

Publications (2)

Publication Number Publication Date
JPS564062A true JPS564062A (en) 1981-01-16
JPH036467B2 JPH036467B2 (ja) 1991-01-30

Family

ID=13701946

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7986079A Granted JPS564062A (en) 1979-04-24 1979-06-25 Surface electrometer

Country Status (1)

Country Link
JP (1) JPS564062A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58144276U (ja) * 1982-03-24 1983-09-28 ミドリ安全工業株式会社 携帯用表面電位計

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55149855A (en) * 1979-04-16 1980-11-21 Ricoh Co Ltd Noise reducing circuit in noncontact type electrometer

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55149855A (en) * 1979-04-16 1980-11-21 Ricoh Co Ltd Noise reducing circuit in noncontact type electrometer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58144276U (ja) * 1982-03-24 1983-09-28 ミドリ安全工業株式会社 携帯用表面電位計

Also Published As

Publication number Publication date
JPH036467B2 (ja) 1991-01-30

Similar Documents

Publication Publication Date Title
JPS542137A (en) Roller fixing device for electrophotographic copier
JPS5272233A (en) Detector for paper jam in the electrophotographic copying machine
JPS5570862A (en) Transfer paper separating device in electronic copier
JPS53126944A (en) Developing device using developing powder
JPS564062A (en) Surface electrometer
JPS549932A (en) Cassette for rolled paper
JPS55144557A (en) Surface potentiometer
JPS5528059A (en) Surface potential detecting device of charged body
JPS5760359A (en) Magnetic brush developing device
JPS51124436A (en) Corona electrification device
JPS5587174A (en) Photosensitive drum charging device in electronic copier
JPS5529856A (en) Image former
JPS55147642A (en) Image forming device
JPS56150361A (en) Surface electrometer
JPS5552964A (en) Surface potentiometer
JPS55130535A (en) Exposure lamp control circuit of copying apparatus
JPS54100797A (en) Liquid detector
JPS5279977A (en) Load detector
JPS5570863A (en) Transfer paper separating device in electronic copier
JPS55120061A (en) Transfer device
JPS55131783A (en) Ac contactless potentiometer
JPS5483839A (en) Image control
JPS5720766A (en) Method for detection of toner density
JPS52153447A (en) Detector for toner remnants
JPS57130060A (en) Electrophotographic device