JPH0429095U - - Google Patents
Info
- Publication number
- JPH0429095U JPH0429095U JP6999490U JP6999490U JPH0429095U JP H0429095 U JPH0429095 U JP H0429095U JP 6999490 U JP6999490 U JP 6999490U JP 6999490 U JP6999490 U JP 6999490U JP H0429095 U JPH0429095 U JP H0429095U
- Authority
- JP
- Japan
- Prior art keywords
- writing instrument
- light emitter
- lifting
- detected object
- photoreceptor
- 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
- 108091008695 photoreceptors Proteins 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims 2
- 230000003287 optical effect Effects 0.000 claims 2
- 230000007423 decrease Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 238000009792 diffusion process Methods 0.000 description 1
Description
第1図は側面図、第2図は外観図、第3図は動
作説明図、第4図はブロツク説明図、第5図はセ
ンサの出力特性図、第6図は従来技術の側面図、
第7図は同、動作説明図、第8図は同、センサ出
力特性図である。
2……被検出体、4……発光体、6……受光体
、10……作画ヘツド、12……筆記具、14…
…ペンホルダ、16……用紙載置面、18……昇
降駆動装置、20……枠体、22……発光体、2
4,26……受光体、28……被検出体、30…
…光拡散膜。
Fig. 1 is a side view, Fig. 2 is an external view, Fig. 3 is an explanatory diagram of the operation, Fig. 4 is an explanatory diagram of the block, Fig. 5 is a diagram of output characteristics of the sensor, and Fig. 6 is a side view of the conventional technology.
FIG. 7 is an explanatory diagram of the operation, and FIG. 8 is a diagram of sensor output characteristics. 2...Detected object, 4...Light emitter, 6...Photoreceptor, 10...Drawing head, 12...Writing instrument, 14...
... Pen holder, 16 ... Paper placement surface, 18 ... Lifting drive device, 20 ... Frame body, 22 ... Light emitter, 2
4, 26...Photoreceptor, 28...Detected object, 30...
...Light diffusion film.
Claims (1)
路に対して略直角方向に筆記具の昇降と連動して
移動するように被検出体を配置し、前記被検出体
の前記光路を遮蔽する遮蔽面積の増減に伴い前記
受光体の受光電流が変化するようにした自動製図
機の筆記具昇降位置検出センサにおいて、前記発
光体の前方に光拡散膜を配設したことを特徴とす
る自動製図機の筆記具昇降位置検出センサ。 A photoreceptor is arranged to face the light emitter, and a detected object is arranged so as to move in a direction substantially perpendicular to the optical path of the light emitter in conjunction with the lifting and lowering of the writing instrument, and the optical path of the detected object is blocked. An automatic drawing machine, characterized in that a writing instrument lifting/lowering position detection sensor for an automatic drawing machine is configured such that the light reception current of the photoreceptor changes as the shielding area increases or decreases, and a light diffusing film is disposed in front of the light emitter. writing instrument lifting and lowering position detection sensor.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6999490U JPH0429095U (en) | 1990-06-29 | 1990-06-29 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6999490U JPH0429095U (en) | 1990-06-29 | 1990-06-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0429095U true JPH0429095U (en) | 1992-03-09 |
Family
ID=31605778
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6999490U Pending JPH0429095U (en) | 1990-06-29 | 1990-06-29 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0429095U (en) |
-
1990
- 1990-06-29 JP JP6999490U patent/JPH0429095U/ja active Pending
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