JPH0314480U - - Google Patents
Info
- Publication number
- JPH0314480U JPH0314480U JP7473789U JP7473789U JPH0314480U JP H0314480 U JPH0314480 U JP H0314480U JP 7473789 U JP7473789 U JP 7473789U JP 7473789 U JP7473789 U JP 7473789U JP H0314480 U JPH0314480 U JP H0314480U
- Authority
- JP
- Japan
- Prior art keywords
- sound wave
- propagation path
- sound
- wave propagation
- obstacle detection
- 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 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Description
第１図は本考案の実施例の障害物検出装置の概
略図、第２図は本考案が適用されたシヤツターを
示す正面図、第３図は上記実施例の電気回路図で
ある。
３０……シヤツターカーテン、３６……ガイド
レール、３８……巻取りシヤフト、４２……モー
タ、４８……送信機、５２……受信機、５８……
操作器。
FIG. 1 is a schematic diagram of an obstacle detection device according to an embodiment of the present invention, FIG. 2 is a front view showing a shutter to which the present invention is applied, and FIG. 3 is an electrical circuit diagram of the above embodiment. 30... Shutter curtain, 36... Guide rail, 38... Winding shaft, 42... Motor, 48... Transmitter, 52... Receiver, 58...
Operator.
Claims (1)
伝播路が形成された可撓性部材と、前記音波伝播
路の一端に連結された発音体と、前記音波伝播路
の他端に連結された受音体と、前記受音体で受け
た音波のレベルから障害物の存在を判断する判断
手段と、を含む障害物検出装置。 a flexible member disposed at an obstacle detection area and having a sound wave propagation path formed therein; a sounding body connected to one end of the sound wave propagation path; and a receiver connected to the other end of the sound wave propagation path. An obstacle detection device including a sound body and a determining means for determining the presence of an obstacle from the level of a sound wave received by the sound receiving body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7473789U JPH0314480U (en) | 1989-06-26 | 1989-06-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7473789U JPH0314480U (en) | 1989-06-26 | 1989-06-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0314480U true JPH0314480U (en) | 1991-02-14 |
Family
ID=31614691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7473789U Pending JPH0314480U (en) | 1989-06-26 | 1989-06-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0314480U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5549241B2 (en) * | 1976-04-27 | 1980-12-11 |
-
1989
- 1989-06-26 JP JP7473789U patent/JPH0314480U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5549241B2 (en) * | 1976-04-27 | 1980-12-11 |
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