JPH0298353U - - Google Patents

Info

Publication number
JPH0298353U
JPH0298353U JP539689U JP539689U JPH0298353U JP H0298353 U JPH0298353 U JP H0298353U JP 539689 U JP539689 U JP 539689U JP 539689 U JP539689 U JP 539689U JP H0298353 U JPH0298353 U JP H0298353U
Authority
JP
Japan
Prior art keywords
developer
container
remaining amount
electrodes
detection electrodes
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.)
Pending
Application number
JP539689U
Other languages
Japanese (ja)
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 JP539689U priority Critical patent/JPH0298353U/ja
Publication of JPH0298353U publication Critical patent/JPH0298353U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Dry Development In Electrophotography (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の一実施例としての現像装置を
示した模式図、第２図は上記現像装置の撹拌ロー
ルを示した斜視図、第３図は上記現像装置に係わ
る表示部を示した説明図、第４図ａ乃至第４図ｄ
は夫々上記現像装置における現像剤残量検出動作
を示した各説明図、第５図は従来の現像装置を示
した断面図である。 １，５１……ホツパ、８……メツシユロール、
９……絶縁棒、１０……クリーナ片、１１ａ〜１
１ｃ……電極板、１２……残量検出回路、１３…
…残量表示部、Ｅａ〜Ｅｃ……電極面、ｔ……現
像剤。 FIG. 1 is a schematic diagram showing a developing device as an embodiment of the present invention, FIG. 2 is a perspective view showing a stirring roll of the developing device, and FIG. 3 is a display section related to the developing device. Explanatory diagrams, Figures 4a to 4d
5 are explanatory diagrams showing the developer remaining amount detection operation in the above-mentioned developing device, respectively, and FIG. 5 is a sectional view showing a conventional developing device. 1,51...Hotsupa, 8...Metsushiroll,
9...Insulating rod, 10...Cleaner piece, 11a-1
1c... Electrode plate, 12... Remaining amount detection circuit, 13...
...remaining amount display section, Ea to Ec...electrode surface, t...developer.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 現像剤を貯留する容器と、前記容器の側壁の異
なる深さの位置に設けた複数個の検知電極と、前
記容器内で少なくとも前記検知電極に対向する経
路を反複移動可能に設けた共通電極と、前記各検
知電極と前記共通電極を介して成り、該両電極間
に前記現像剤が存在するときに電気的閉回路を形
成する複数個の現像剤検出回路と、前記複数個の
現像剤検出回路による電気的閉回路の形成状態を
識別し前記現像剤の残量を検出する残量検出手段
とを有することを特徴とする現像装置。 A container for storing a developer, a plurality of detection electrodes provided at different depths on a side wall of the container, and a common electrode provided to be movable repeatedly within the container at least along a path facing the detection electrodes. , a plurality of developer detection circuits formed via the respective detection electrodes and the common electrode and forming an electrical closed circuit when the developer is present between the two electrodes; and the plurality of developer detection circuits. A developing device comprising a remaining amount detecting means for detecting the remaining amount of the developer by identifying a state in which an electrical closed circuit is formed by the circuit.
JP539689U 1989-01-20 1989-01-20 Pending JPH0298353U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP539689U JPH0298353U (en) 1989-01-20 1989-01-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP539689U JPH0298353U (en) 1989-01-20 1989-01-20

Publications (1)

Publication Number Publication Date
JPH0298353U true JPH0298353U (en) 1990-08-06

Family

ID=31208740

Family Applications (1)

Application Number Title Priority Date Filing Date
JP539689U Pending JPH0298353U (en) 1989-01-20 1989-01-20

Country Status (1)

Country Link
JP (1) JPH0298353U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016142881A (en) * 2015-01-30 2016-08-08 キヤノン株式会社 Developer container, developing device, process cartridge, and image forming apparatus
JP2016145962A (en) * 2015-01-30 2016-08-12 キヤノン株式会社 Developer container, developing device, process cartridge, apparatus body, and image forming apparatus
EP3051360A3 (en) * 2015-01-30 2016-12-28 Canon Kabushiki Kaisha Developer container, developing apparatus, process cartridge, apparatus main body, and image forming apparatus

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016142881A (en) * 2015-01-30 2016-08-08 キヤノン株式会社 Developer container, developing device, process cartridge, and image forming apparatus
JP2016145962A (en) * 2015-01-30 2016-08-12 キヤノン株式会社 Developer container, developing device, process cartridge, apparatus body, and image forming apparatus
EP3051360A3 (en) * 2015-01-30 2016-12-28 Canon Kabushiki Kaisha Developer container, developing apparatus, process cartridge, apparatus main body, and image forming apparatus
US9857730B2 (en) 2015-01-30 2018-01-02 Canon Kabushiki Kaisha Developer container, developing apparatus, process cartridge, apparatus main body, and image forming apparatus
US10228635B2 (en) 2015-01-30 2019-03-12 Canon Kabushiki Kaisha Developer container, developing apparatus, process cartridge, apparatus main body, and image forming apparatus

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