JPS5828861U - Toner remaining amount detection mechanism - Google Patents

Toner remaining amount detection mechanism

Info

Publication number
JPS5828861U
JPS5828861U JP12371181U JP12371181U JPS5828861U JP S5828861 U JPS5828861 U JP S5828861U JP 12371181 U JP12371181 U JP 12371181U JP 12371181 U JP12371181 U JP 12371181U JP S5828861 U JPS5828861 U JP S5828861U
Authority
JP
Japan
Prior art keywords
toner
detection mechanism
remaining amount
amount detection
toner remaining
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
JP12371181U
Other languages
Japanese (ja)
Inventor
幸司 市川
Original Assignee
富士通株式会社
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 富士通株式会社 filed Critical 富士通株式会社
Priority to JP12371181U priority Critical patent/JPS5828861U/en
Publication of JPS5828861U publication Critical patent/JPS5828861U/en
Pending legal-status Critical Current

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  • Dry Development In Electrophotography (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。
(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

第1図aは従来のトナー検出機構を示す平面図、bはそ
れをトナー現像機に構成する側面図、第2図は本考案の
静電潜像式プリンタのトナー残量検出機構の一実施例を
示す側面図と検出回路よりなる検出手段である。 図において、1はトナー現像機、2はトナー残量検出機
構、3は振動発生器、4はピアノ線、5は振動受信部、
7は磁性体、8はコイル、10はトナー、11はローラ
、16は電極、17は絶縁板、18は静電容量測定回路
、19はトナー残量表示回路、20は増幅器、21はコ
ンパレータ1、22はランプをそれぞれ示す。
Fig. 1a is a plan view showing a conventional toner detection mechanism, b is a side view of the toner developing device, and Fig. 2 is an implementation of the toner remaining amount detection mechanism of the electrostatic latent image printer of the present invention. 1 is a side view showing an example and a detection means consisting of a detection circuit. In the figure, 1 is a toner developing device, 2 is a toner remaining amount detection mechanism, 3 is a vibration generator, 4 is a piano wire, 5 is a vibration receiver,
7 is a magnetic material, 8 is a coil, 10 is toner, 11 is a roller, 16 is an electrode, 17 is an insulating plate, 18 is a capacitance measuring circuit, 19 is a toner remaining amount display circuit, 20 is an amplifier, 21 is a comparator 1 , 22 indicate lamps, respectively.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 記録紙に転写される静電潜像に現像用着色トナーを付着
させるトナー現像機のトナー残量を検出するトナー検出
機構において、前記トナー現像機に静電容量の変化を測
定するための電極と、該電極に結合される静電容量測定
回路と、該回路よりの静電容量の変化によりトナー残量
を検出させるトナー残量表示回路を備えたことを特徴と
するトナー残量検出機構。
In a toner detection mechanism that detects the remaining amount of toner in a toner developing device that attaches colored toner for development to an electrostatic latent image transferred to a recording paper, the toner developing device includes an electrode for measuring a change in capacitance. , a remaining toner amount detection mechanism comprising: a capacitance measuring circuit coupled to the electrode; and a remaining toner amount display circuit that detects the remaining amount of toner based on a change in capacitance from the circuit.
JP12371181U 1981-08-21 1981-08-21 Toner remaining amount detection mechanism Pending JPS5828861U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12371181U JPS5828861U (en) 1981-08-21 1981-08-21 Toner remaining amount detection mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12371181U JPS5828861U (en) 1981-08-21 1981-08-21 Toner remaining amount detection mechanism

Publications (1)

Publication Number Publication Date
JPS5828861U true JPS5828861U (en) 1983-02-24

Family

ID=29917602

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12371181U Pending JPS5828861U (en) 1981-08-21 1981-08-21 Toner remaining amount detection mechanism

Country Status (1)

Country Link
JP (1) JPS5828861U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62248680A (en) * 1986-02-19 1987-10-29 エツセルト・メト・インタ−ナシヨナル・ゲ−エムベ−ハ− Printer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62248680A (en) * 1986-02-19 1987-10-29 エツセルト・メト・インタ−ナシヨナル・ゲ−エムベ−ハ− Printer

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