JPH0375047B2 - - Google Patents
Info
- Publication number
- JPH0375047B2 JPH0375047B2 JP60211743A JP21174385A JPH0375047B2 JP H0375047 B2 JPH0375047 B2 JP H0375047B2 JP 60211743 A JP60211743 A JP 60211743A JP 21174385 A JP21174385 A JP 21174385A JP H0375047 B2 JPH0375047 B2 JP H0375047B2
- Authority
- JP
- Japan
- Prior art keywords
- measured
- ultrasonic waves
- amount
- transmitter
- transmitted
- 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.)
- Expired - Lifetime
Links
- 238000005259 measurement Methods 0.000 claims description 24
- 238000002604 ultrasonography Methods 0.000 claims description 15
- 230000003321 amplification Effects 0.000 claims description 10
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000003247 decreasing effect Effects 0.000 claims 1
- 239000000123 paper Substances 0.000 description 8
- 230000035945 sensitivity Effects 0.000 description 6
- 230000002238 attenuated effect Effects 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000000691 measurement method Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000002985 plastic film Substances 0.000 description 4
- 239000000523 sample Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000010355 oscillation Effects 0.000 description 3
- 239000011521 glass Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 230000001902 propagating effect Effects 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
Landscapes
- Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21174385A JPS6270707A (ja) | 1985-09-25 | 1985-09-25 | 移送途中の被測定物の超音波利用による重層検知装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21174385A JPS6270707A (ja) | 1985-09-25 | 1985-09-25 | 移送途中の被測定物の超音波利用による重層検知装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6270707A JPS6270707A (ja) | 1987-04-01 |
| JPH0375047B2 true JPH0375047B2 (pt) | 1991-11-28 |
Family
ID=16610849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21174385A Granted JPS6270707A (ja) | 1985-09-25 | 1985-09-25 | 移送途中の被測定物の超音波利用による重層検知装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6270707A (pt) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6212130B1 (en) * | 1999-03-08 | 2001-04-03 | Scan-Optics, Inc. | Method and apparatus for plural document detection |
| DE19927865B4 (de) † | 1999-05-07 | 2005-12-01 | Leuze Electronic Gmbh & Co Kg | Vorrichtung zur Detektion von Objekten |
| JP2002338087A (ja) * | 2001-05-11 | 2002-11-27 | Komori Corp | 段ボール供給装置の２枚送り検知装置 |
| JP2002338086A (ja) * | 2001-05-11 | 2002-11-27 | Komori Corp | 段ボール供給装置の２枚送り検知装置 |
| JP2004269241A (ja) * | 2003-03-12 | 2004-09-30 | Pfu Ltd | 給紙装置 |
| JP5574051B2 (ja) * | 2011-11-28 | 2014-08-20 | 株式会社村田製作所 | 積層型圧電素子、および、重送検知用センサ |
| JP5574050B2 (ja) * | 2011-12-06 | 2014-08-20 | 株式会社村田製作所 | 超音波トランスデューサー |
| CN103959819A (zh) * | 2011-12-09 | 2014-07-30 | 株式会社村田制作所 | 超声波换能器以及多重馈送探测用传感器 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3254888A (en) * | 1962-07-06 | 1966-06-07 | Parnall & Sons Ltd | Sheet feeding apparatus having ultrasonic means to detect overlapping |
| JPS5240379A (en) * | 1975-09-22 | 1977-03-29 | Eastman Kodak Co | Device and method of detecting sheet |
| JPS58191911A (ja) * | 1982-05-04 | 1983-11-09 | Oki Electric Ind Co Ltd | ヘドロ探査機 |
| JPS636644U (pt) * | 1986-06-30 | 1988-01-18 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59178308U (ja) * | 1983-04-13 | 1984-11-29 | 一ノ宮 武則 | 睡眠用肩掛け |
-
1985
- 1985-09-25 JP JP21174385A patent/JPS6270707A/ja active Granted
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3254888A (en) * | 1962-07-06 | 1966-06-07 | Parnall & Sons Ltd | Sheet feeding apparatus having ultrasonic means to detect overlapping |
| JPS5240379A (en) * | 1975-09-22 | 1977-03-29 | Eastman Kodak Co | Device and method of detecting sheet |
| JPS58191911A (ja) * | 1982-05-04 | 1983-11-09 | Oki Electric Ind Co Ltd | ヘドロ探査機 |
| JPS636644U (pt) * | 1986-06-30 | 1988-01-18 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6270707A (ja) | 1987-04-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |