JPH0429886U - - Google Patents
Info
- Publication number
- JPH0429886U JPH0429886U JP6885490U JP6885490U JPH0429886U JP H0429886 U JPH0429886 U JP H0429886U JP 6885490 U JP6885490 U JP 6885490U JP 6885490 U JP6885490 U JP 6885490U JP H0429886 U JPH0429886 U JP H0429886U
- Authority
- JP
- Japan
- Prior art keywords
- ultrasonic
- detected
- switch
- reflected
- ultrasonic transducer
- 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
- 238000010586 diagram Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 2
Landscapes
- Switches Operated By Changes In Physical Conditions (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Description
第１図はこの考案の一実施例である超音波スイ
ツチのブロツク図、第２図は同上超音波スイツチ
のケース正面における超音波振動子の配置図、第
３図は第２図とは異なる配置図、第４図は従来の
超音波スイツチのブロツク図、第５図は超音波振
動子から発射された超音波が風の影響で偏位した
反射波となつて戻る状態を示す説明図、第６図は
超音波振動子から発射された超音波の検出範囲を
示す説明図、第７図は超音波振動子から発射され
た超音波が傾斜している被検出物体に当たり反射
されて戻る状態を示す説明図、第８図は移動して
いる超音波振動子から発射された超音波が被検出
物体に当たり反射されて戻る状態を示す説明図で
ある。
２……送受波用の超音波振動子、２１，２２…
２ｎ……受波専用の超音波振動子。
Fig. 1 is a block diagram of an ultrasonic switch that is an embodiment of this invention, Fig. 2 is a layout of the ultrasonic transducer on the front of the case of the same ultrasonic switch, and Fig. 3 is a different arrangement from Fig. 2. Figure 4 is a block diagram of a conventional ultrasonic switch, Figure 5 is an explanatory diagram showing the state in which an ultrasonic wave emitted from an ultrasonic transducer returns as a reflected wave that is deflected by the influence of the wind. Figure 6 is an explanatory diagram showing the detection range of the ultrasonic waves emitted from the ultrasonic transducer, and Figure 7 shows the state in which the ultrasonic waves emitted from the ultrasonic transducer hit an inclined detection object and are reflected back. FIG. 8 is an explanatory diagram showing a state in which an ultrasonic wave emitted from a moving ultrasonic transducer hits an object to be detected and is reflected back. 2... Ultrasonic transducer for transmitting and receiving waves, 2 1 , 2 2 ...
2 n ...Ultrasonic transducer exclusively for receiving waves.
Claims (1)
検出物体に当たり反射する反射波を前記超音波振
動子にて受波して被検出物体の有無を検出する超
音波スイツチにおいて、前記送受波用の超音波振
動子を中心としてその周辺に前記反射波を受波す
る受波専用の超音波振動子を複数個設けたことを
特徴とする超音波スイツチ。 In an ultrasonic switch that detects the presence or absence of an object to be detected by receiving a reflected wave in which an ultrasonic pulse emitted from an ultrasonic transducer hits an object to be detected and is reflected, the ultrasonic switch detects the presence or absence of an object to be detected. An ultrasonic switch characterized in that a plurality of ultrasonic transducers dedicated to reception of the reflected waves are provided around an ultrasonic transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6885490U JPH0429886U (en) | 1990-06-28 | 1990-06-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6885490U JPH0429886U (en) | 1990-06-28 | 1990-06-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0429886U true JPH0429886U (en) | 1992-03-10 |
Family
ID=31603650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6885490U Pending JPH0429886U (en) | 1990-06-28 | 1990-06-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0429886U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011152797A (en) * | 2011-03-31 | 2011-08-11 | Sakura Color Products Corp | Applicator cap |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61126489A (en) * | 1984-11-22 | 1986-06-13 | Matsushita Electric Works Ltd | Ultrasonic detecting device for body |
-
1990
- 1990-06-28 JP JP6885490U patent/JPH0429886U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61126489A (en) * | 1984-11-22 | 1986-06-13 | Matsushita Electric Works Ltd | Ultrasonic detecting device for body |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011152797A (en) * | 2011-03-31 | 2011-08-11 | Sakura Color Products Corp | Applicator cap |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0429886U (en) | ||
| JPH047380U (en) | ||
| JPS6275591U (en) | ||
| GB2010484A (en) | Ultrasonic Scanner | |
| JPH0279486U (en) | ||
| JPS6338084U (en) | ||
| JPS62167182U (en) | ||
| JPS62152282U (en) | ||
| JPH02109287U (en) | ||
| JPH0488609U (en) | ||
| JPS63101883U (en) | ||
| JPH0235087U (en) | ||
| JPH0235086U (en) | ||
| JPH0243676U (en) | ||
| JPS63184883U (en) | ||
| JPH01144999U (en) | ||
| JPS6090040U (en) | Side mirror with blind spot prevention device | |
| JPS6225886U (en) | ||
| JPH01135590U (en) | ||
| JPS6234389U (en) | ||
| JPH0288609U (en) | ||
| JPH01154488U (en) | ||
| JPH01162632U (en) | ||
| JPS59135485U (en) | Transducer/receiver for underwater detection equipment | |
| JPH0160640U (en) |