JPS5897679A - 紙検知装置 - Google Patents
紙検知装置Info
- Publication number
- JPS5897679A JPS5897679A JP56196215A JP19621581A JPS5897679A JP S5897679 A JPS5897679 A JP S5897679A JP 56196215 A JP56196215 A JP 56196215A JP 19621581 A JP19621581 A JP 19621581A JP S5897679 A JPS5897679 A JP S5897679A
- Authority
- JP
- Japan
- Prior art keywords
- receiver
- circuit
- transmitter
- paper
- output
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims description 28
- 230000003321 amplification Effects 0.000 claims description 6
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 239000011347 resin Substances 0.000 abstract description 2
- 229920005989 resin Polymers 0.000 abstract description 2
- 230000010355 oscillation Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 239000000428 dust Substances 0.000 description 8
- 238000007493 shaping process Methods 0.000 description 8
- 238000009825 accumulation Methods 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/001—Acoustic presence detection
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Geology (AREA)
- Remote Sensing (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- Geophysics And Detection Of Objects (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56196215A JPS5897679A (ja) | 1981-12-08 | 1981-12-08 | 紙検知装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56196215A JPS5897679A (ja) | 1981-12-08 | 1981-12-08 | 紙検知装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5897679A true JPS5897679A (ja) | 1983-06-10 |
| JPH0411831B2 JPH0411831B2 (enrdf_load_stackoverflow) | 1992-03-02 |
Family
ID=16354114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56196215A Granted JPS5897679A (ja) | 1981-12-08 | 1981-12-08 | 紙検知装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5897679A (enrdf_load_stackoverflow) |
-
1981
- 1981-12-08 JP JP56196215A patent/JPS5897679A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0411831B2 (enrdf_load_stackoverflow) | 1992-03-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4517564A (en) | Cordless remote control apparatus | |
| US4486742A (en) | Multifrequency piezoelectric horn system | |
| US4228379A (en) | Diaphragm type piezoelectric electroacoustic transducer | |
| JPS5832559B2 (ja) | 空中超音波パルスの伝送方式並びにこれに用いる超音波送受波具 | |
| US4100543A (en) | Audible alarm apparatus particularly adaptable for use with fire and theft security systems | |
| US4170769A (en) | Audio-detector alarm | |
| US4290126A (en) | Ultrasonic intrusion alarm system | |
| US3260991A (en) | Apparatus for detecting motion and objects | |
| US4728933A (en) | Miniature dual cavity ringer | |
| US4173755A (en) | Battery-operated body capacitance intrusion alarm apparatus | |
| JPS5897679A (ja) | 紙検知装置 | |
| JPS5925987B2 (ja) | 直線運動距離の自動制御方法 | |
| JPH0198922A (ja) | 超音波送信機及び超音波受信機よりなる薄いフイルムの超音波探知器 | |
| GB2191861A (en) | Ultrasonic sensing of televiewing distance | |
| US3602821A (en) | Noise immune pure carrier detector circuit | |
| KR0141500B1 (ko) | 데이타 신호 판별 방법 및 장치 | |
| JPH07167947A (ja) | 超音波トランスデューサ用整合変成器 | |
| JP2000088959A (ja) | 送受信分離型反射方式の超音波距離測定装置と方法 | |
| JPH0125346Y2 (enrdf_load_stackoverflow) | ||
| JPS58193475A (ja) | 超音波反射型検知装置 | |
| US4719452A (en) | Audio signal generator | |
| US4328485A (en) | Binary alarm | |
| US3438020A (en) | Apparatus for detecting object movement | |
| US3038070A (en) | Radio receiver apparatus | |
| US3435405A (en) | Ultrasonic vehicle presence detector |