JPS61189287U - - Google Patents
Info
- Publication number
- JPS61189287U JPS61189287U JP7328585U JP7328585U JPS61189287U JP S61189287 U JPS61189287 U JP S61189287U JP 7328585 U JP7328585 U JP 7328585U JP 7328585 U JP7328585 U JP 7328585U JP S61189287 U JPS61189287 U JP S61189287U
- Authority
- JP
- Japan
- Prior art keywords
- ultrasonic
- ultrasonic vibrator
- switch
- impedance
- protective resistor
- 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
- 230000001681 protective effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Switches Operated By Changes In Physical Conditions (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Description
図面はこの考案の一実施例を示し、第１図は超
音波スイツチの受波回路を示すブロツク図、第２
図は温度に対する蓋積電荷量の特性図である。 ２…超音波振動子、６…保護用抵抗体。
音波スイツチの受波回路を示すブロツク図、第２
図は温度に対する蓋積電荷量の特性図である。 ２…超音波振動子、６…保護用抵抗体。
Claims (1)
- 【実用新案登録請求の範囲】 超音波振動子の両端に、該超音波振動子のイン
ピーダンスに対して比較的高インピーダンスの保
護用抵抗体を接続した 超音波スイツチ。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7328585U JPS61189287U (ja) | 1985-05-16 | 1985-05-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7328585U JPS61189287U (ja) | 1985-05-16 | 1985-05-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61189287U true JPS61189287U (ja) | 1986-11-26 |
Family
ID=30612501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7328585U Pending JPS61189287U (ja) | 1985-05-16 | 1985-05-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61189287U (ja) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57191579A (en) * | 1981-05-21 | 1982-11-25 | Nippon Signal Co Ltd:The | Ultrasonic transmitter and receiver |
-
1985
- 1985-05-16 JP JP7328585U patent/JPS61189287U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57191579A (en) * | 1981-05-21 | 1982-11-25 | Nippon Signal Co Ltd:The | Ultrasonic transmitter and receiver |