JPS62170580U - - Google Patents
Info
- Publication number
- JPS62170580U JPS62170580U JP5845086U JP5845086U JPS62170580U JP S62170580 U JPS62170580 U JP S62170580U JP 5845086 U JP5845086 U JP 5845086U JP 5845086 U JP5845086 U JP 5845086U JP S62170580 U JPS62170580 U JP S62170580U
- Authority
- JP
- Japan
- Prior art keywords
- transducer
- excitation signal
- reverberation
- ultrasonic
- excitation
- 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
- 230000005284 excitation Effects 0.000 claims description 7
- 230000002265 prevention Effects 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Ultra Sonic Daignosis Equipment (AREA)
- Transducers For Ultrasonic Waves (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Description
第１図は本考案に係る実施例を示すブロツク図
、第２図は従来例を示すブロツク図、第３図は励
振信号と送信信号と残響波形と逆位相の励振信号
と駆動信号との関係を示す説明図である。 １…超音波振動子、３，３ａ…アナログスイツ
チ、４…発振器、７…位相反転器、ａ…駆動信号
、ｂ…励振信号、ｃ…送信用振動パルス、ｄ…残
響区間、ｔ…残響時間。
、第２図は従来例を示すブロツク図、第３図は励
振信号と送信信号と残響波形と逆位相の励振信号
と駆動信号との関係を示す説明図である。 １…超音波振動子、３，３ａ…アナログスイツ
チ、４…発振器、７…位相反転器、ａ…駆動信号
、ｂ…励振信号、ｃ…送信用振動パルス、ｄ…残
響区間、ｔ…残響時間。
Claims (1)
- 超音波振動子に励振信号を印加して上記振動子
の超音波振動を得る励振回路において、当該振動
子の残響区間には上記励振信号と逆位相の励振信
号を当該振動子に印加することを特徴とする超音
波振動子の残響防止回路。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5845086U JPS62170580U (ja) | 1986-04-18 | 1986-04-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5845086U JPS62170580U (ja) | 1986-04-18 | 1986-04-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62170580U true JPS62170580U (ja) | 1987-10-29 |
Family
ID=30889034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5845086U Pending JPS62170580U (ja) | 1986-04-18 | 1986-04-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62170580U (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009004916A (ja) * | 2007-06-19 | 2009-01-08 | Ricoh Elemex Corp | 超音波出力装置 |
-
1986
- 1986-04-18 JP JP5845086U patent/JPS62170580U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009004916A (ja) * | 2007-06-19 | 2009-01-08 | Ricoh Elemex Corp | 超音波出力装置 |