JPS5828861U - Toner remaining amount detection mechanism - Google Patents
Toner remaining amount detection mechanismInfo
- 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
Links
Landscapes
- 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
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)
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.
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)
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 |
-
1981
- 1981-08-21 JP JP12371181U patent/JPS5828861U/en active Pending
Cited By (1)
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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