JPH0437358U - - Google Patents
Info
- Publication number
- JPH0437358U JPH0437358U JP7750890U JP7750890U JPH0437358U JP H0437358 U JPH0437358 U JP H0437358U JP 7750890 U JP7750890 U JP 7750890U JP 7750890 U JP7750890 U JP 7750890U JP H0437358 U JPH0437358 U JP H0437358U
- Authority
- JP
- Japan
- Prior art keywords
- rotating drum
- detection sensor
- position detection
- image forming
- forming apparatus
- 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
- 238000001514 detection method Methods 0.000 claims description 7
- 238000005259 measurement Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Handling Of Cut Paper (AREA)
- Accessory Devices And Overall Control Thereof (AREA)
- Facsimiles In General (AREA)
- Handling Of Sheets (AREA)
Description
第１図はこの考案の実施例を示すブロツク図、
第２図は上記実施例のデイスク部を示す説明図、
第３図は上記実施例の動作を示すフローチヤート
、第４図は従来例の回転ドラム部を示す構成図、
第５図は従来例のデイスク部を示す斜視図である
。
１……位置検出センサ、２……デイスク、３，
４，５……遮光部、７……位置検出手段。
Figure 1 is a block diagram showing an embodiment of this invention.
FIG. 2 is an explanatory diagram showing the disk section of the above embodiment;
FIG. 3 is a flowchart showing the operation of the above embodiment, and FIG. 4 is a configuration diagram showing the rotating drum section of the conventional example.
FIG. 5 is a perspective view showing a conventional disk section. 1...Position detection sensor, 2...Disk, 3,
4, 5... Light shielding part, 7... Position detection means.
Claims (1)
れたデイスクにより透過形の位置検出センサを遮
光し、回転ドラムの位置を検出する画像形成装置
において、 １個の透過形の位置検出センサと、該位置検出
センサを遮光する複数の幅の異なる遮光部を有す
るデイスクと、 上記回転ドラムの移動量を検出する移動量測定
手段と、 位置検出センサからの信号と移動量測定手段か
らの信号を受けて回転ドラムの位置を検出する位
置検出手段とを備えたことを特徴とする画像形成
装置。[Scope of Claim for Utility Model Registration] In an image forming apparatus that detects the position of a rotating drum by shielding a transmissive position detection sensor from light by a disk attached to a rotating drum shaft around which recording paper is wound, A detection sensor, a disk having a plurality of light-shielding portions of different widths that shield the position detection sensor from light, a movement measurement means for detecting the movement amount of the rotating drum, and a signal from the position detection sensor and a movement measurement means. 1. An image forming apparatus comprising: position detection means for detecting the position of the rotating drum in response to a signal from the image forming apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7750890U JPH0437358U (en) | 1990-07-20 | 1990-07-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7750890U JPH0437358U (en) | 1990-07-20 | 1990-07-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0437358U true JPH0437358U (en) | 1992-03-30 |
Family
ID=31619962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7750890U Pending JPH0437358U (en) | 1990-07-20 | 1990-07-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0437358U (en) |
-
1990
- 1990-07-20 JP JP7750890U patent/JPH0437358U/ja active Pending