CA1195405A - Demodulation technique for rip detector signals - Google Patents
Demodulation technique for rip detector signalsInfo
- Publication number
- CA1195405A CA1195405A CA000408428A CA408428A CA1195405A CA 1195405 A CA1195405 A CA 1195405A CA 000408428 A CA000408428 A CA 000408428A CA 408428 A CA408428 A CA 408428A CA 1195405 A CA1195405 A CA 1195405A
- Authority
- CA
- Canada
- Prior art keywords
- signal
- transmitter
- receiver
- signals
- test
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000012360 testing method Methods 0.000 claims abstract description 66
- 230000000694 effects Effects 0.000 claims abstract description 14
- 238000010168 coupling process Methods 0.000 claims description 33
- 230000008878 coupling Effects 0.000 claims description 32
- 238000005859 coupling reaction Methods 0.000 claims description 32
- 230000010363 phase shift Effects 0.000 claims description 17
- 230000001702 transmitter Effects 0.000 claims description 16
- 238000012544 monitoring process Methods 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 2
- 230000001360 synchronised effect Effects 0.000 abstract description 6
- 238000001514 detection method Methods 0.000 abstract description 4
- 238000004092 self-diagnosis Methods 0.000 abstract 1
- 239000003990 capacitor Substances 0.000 description 8
- 230000006872 improvement Effects 0.000 description 6
- 239000000523 sample Substances 0.000 description 5
- 230000004044 response Effects 0.000 description 4
- 239000004020 conductor Substances 0.000 description 3
- 238000006880 cross-coupling reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 230000000737 periodic effect Effects 0.000 description 3
- 230000003466 anti-cipated effect Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 238000003745 diagnosis Methods 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241000269627 Amphiuma means Species 0.000 description 1
- BSYNRYMUTXBXSQ-UHFFFAOYSA-N Aspirin Chemical compound CC(=O)OC1=CC=CC=C1C(O)=O BSYNRYMUTXBXSQ-UHFFFAOYSA-N 0.000 description 1
- 208000019300 CLIPPERS Diseases 0.000 description 1
- 101150087426 Gnal gene Proteins 0.000 description 1
- 240000008881 Oenanthe javanica Species 0.000 description 1
- 208000007542 Paresis Diseases 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 208000021930 chronic lymphocytic inflammation with pontine perivascular enhancement responsive to steroids Diseases 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 208000012318 pareses Diseases 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 235000012976 tarts Nutrition 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
- B65G43/02—Control devices, e.g. for safety, warning or fault-correcting detecting dangerous physical condition of load carriers, e.g. for interrupting the drive in the event of overheating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2203/00—Indexing code relating to control or detection of the articles or the load carriers during conveying
- B65G2203/04—Detection means
- B65G2203/042—Sensors
- B65G2203/044—Optical
Landscapes
- Control Of Conveyors (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US288,883 | 1981-07-31 | ||
| US06/288,883 US4470120A (en) | 1981-07-31 | 1981-07-31 | Demodulation technique for rip detector signals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1195405A true CA1195405A (en) | 1985-10-15 |
Family
ID=23109077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000408428A Expired CA1195405A (en) | 1981-07-31 | 1982-07-29 | Demodulation technique for rip detector signals |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US4470120A (OSRAM) |
| EP (1) | EP0071830B1 (OSRAM) |
| JP (1) | JPS5826715A (OSRAM) |
| AU (1) | AU555238B2 (OSRAM) |
| BR (1) | BR8204446A (OSRAM) |
| CA (1) | CA1195405A (OSRAM) |
| DE (1) | DE3268273D1 (OSRAM) |
| IN (1) | IN156534B (OSRAM) |
| MX (1) | MX152171A (OSRAM) |
| PH (1) | PH20727A (OSRAM) |
| YU (1) | YU166482A (OSRAM) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6352149B1 (en) | 2000-08-25 | 2002-03-05 | The Goodyear Tire & Rubber Company | Conveyor belt with microcoil springwire sensor |
| US6542112B1 (en) * | 2002-03-06 | 2003-04-01 | Tektronix, Inc. | Interference cancellation in antenna test |
| US7740128B2 (en) * | 2005-11-08 | 2010-06-22 | Veyance Technologies, Inc. | Method for self-synchronizing a conveyor belt sensor system |
| US7740130B2 (en) * | 2006-05-31 | 2010-06-22 | Veyance Technologies, Inc. | Digital processor sensor loop detector and method |
| AU2009206205B2 (en) * | 2008-01-22 | 2011-08-11 | Barge's Belting Solution Pty Ltd | Method and apparatus for monitoring a conveyor belt |
| US7810634B2 (en) * | 2008-08-04 | 2010-10-12 | Veyance Technologies Inc. | Sensor system for a conveyor belt |
| KR20110056420A (ko) * | 2008-09-19 | 2011-05-27 | 코닌클리즈케 필립스 일렉트로닉스 엔.브이. | 전자 직물 및 전자 직물의 기능 영역을 판단하는 방법 |
| US20100253196A1 (en) * | 2009-04-02 | 2010-10-07 | Nye S Curtis | Cabinet |
| US20140175289A1 (en) * | 2012-12-21 | 2014-06-26 | R. John Voorhees | Conveyer Belt with Optically Visible and Machine-Detectable Indicators |
| US9746385B2 (en) * | 2013-06-12 | 2017-08-29 | Honeywell International Inc. | System and method for measuring varying parameters using adaptive signal conditioning |
| KR102020662B1 (ko) * | 2018-02-01 | 2019-11-04 | 오학서 | 반송대차용 호이스트 장치에서의 그립퍼 유닛 제어용 마스터 통신장치와 슬레이브 통신장치간 통신 방법 |
| JP2023101223A (ja) * | 2022-01-07 | 2023-07-20 | 横浜ゴム株式会社 | コンベヤベルトの縦裂き検出装置および方法 |
| CN120003949B (zh) * | 2025-01-21 | 2025-10-31 | 宝钢湛江钢铁有限公司 | 一种胶带机保护装置控制线路状态监控方法 |
| CN120097029B (zh) * | 2025-05-12 | 2025-07-18 | 上海山潜智能科技有限公司 | 矿用皮带输送机综合集控系统 |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3454787A (en) * | 1966-05-06 | 1969-07-08 | Bendix Corp | Monitor and delay network comprising feedback amplifier,sample and hold circuit and threshold detector combination for error signal level detector |
| DE1781150B1 (de) * | 1967-09-16 | 1970-10-08 | Bergwerksverband Gmbh | UEberwachungseinrichtung fuer Foerderbaender |
| US3742477A (en) * | 1971-09-09 | 1973-06-26 | Goodyear Tire & Rubber | Conveyor belt condition monitoring apparatus |
| US3792459A (en) * | 1972-03-20 | 1974-02-12 | F Snyder | Conveyor belt rip detector |
| US3835397A (en) * | 1973-10-23 | 1974-09-10 | Gen Electric | Digitally controlled phase shift network |
| US3889186A (en) * | 1973-11-27 | 1975-06-10 | Us Army | All digital phase detector and corrector |
| JPS5910621B2 (ja) * | 1975-01-08 | 1984-03-10 | 日本電気株式会社 | デ−タ伝送復調器 |
| JPS5234791U (OSRAM) * | 1975-09-02 | 1977-03-11 | ||
| US3997772A (en) * | 1975-09-05 | 1976-12-14 | Bell Telephone Laboratories, Incorporated | Digital phase shifter |
| JPS5330949U (OSRAM) * | 1976-08-17 | 1978-03-16 | ||
| US4180778A (en) * | 1978-01-18 | 1979-12-25 | The Singer Company | Digital signal phase shifting system |
| US4229735A (en) * | 1978-01-23 | 1980-10-21 | The B. F. Goodrich Company | Rip detector signal detection circuit |
| US4228513A (en) * | 1978-11-13 | 1980-10-14 | The B. F. Goodrich Company | Monitor system and method for detecting sequential events in a cyclical process |
| US4246654A (en) * | 1979-01-09 | 1981-01-20 | Northrop Corporation | Digital coherent phase demodulator |
| US4349883A (en) * | 1980-03-03 | 1982-09-14 | The B. F. Goodrich Company | Signal detector circuit with gain control method |
| US4345211A (en) * | 1980-09-15 | 1982-08-17 | Rockwell International Corporation | Digital phaselock demodulator |
-
1981
- 1981-07-31 US US06/288,883 patent/US4470120A/en not_active Expired - Fee Related
-
1982
- 1982-07-22 EP EP82106613A patent/EP0071830B1/en not_active Expired
- 1982-07-22 DE DE8282106613T patent/DE3268273D1/de not_active Expired
- 1982-07-23 AU AU86379/82A patent/AU555238B2/en not_active Ceased
- 1982-07-29 BR BR8204446A patent/BR8204446A/pt unknown
- 1982-07-29 CA CA000408428A patent/CA1195405A/en not_active Expired
- 1982-07-30 YU YU01664/82A patent/YU166482A/xx unknown
- 1982-07-30 PH PH27652A patent/PH20727A/en unknown
- 1982-07-30 JP JP57132287A patent/JPS5826715A/ja active Pending
- 1982-07-30 IN IN891/CAL/82A patent/IN156534B/en unknown
- 1982-08-02 MX MX193847A patent/MX152171A/es unknown
Also Published As
| Publication number | Publication date |
|---|---|
| YU166482A (en) | 1988-08-31 |
| EP0071830B1 (en) | 1986-01-02 |
| JPS5826715A (ja) | 1983-02-17 |
| US4470120A (en) | 1984-09-04 |
| DE3268273D1 (en) | 1986-02-13 |
| MX152171A (es) | 1985-06-04 |
| BR8204446A (pt) | 1983-07-19 |
| EP0071830A1 (en) | 1983-02-16 |
| PH20727A (en) | 1987-03-30 |
| IN156534B (OSRAM) | 1985-08-31 |
| AU555238B2 (en) | 1986-09-18 |
| AU8637982A (en) | 1983-02-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA1195405A (en) | Demodulation technique for rip detector signals | |
| CA2589594C (en) | Digital processor sensor loop detector and method | |
| US4229735A (en) | Rip detector signal detection circuit | |
| CA1238110A (en) | Method and arrangement for signal transmission in ultrasonic echo sounding systems | |
| AU2014265091B2 (en) | Method for monitoring conveyor belt splices | |
| US4223790A (en) | Container inspection system | |
| US5736937A (en) | Apparatus for wireless transmission of shaft position information | |
| SE9903348L (sv) | Apparat och metod för detektering av främmande kroppar i produkter | |
| CA2428392A1 (en) | Conveyor belt fault detection apparatus and method | |
| US4541063A (en) | Method and apparatus for updating event information | |
| WO1988002713A1 (en) | Apparatus for track-based detection of the wheel profile of passing railway wheels | |
| US4463434A (en) | Digital phase shift circuit signal generator for rip detectors | |
| US6324889B1 (en) | Ultrasound sensor for a fumes extractor hood | |
| US4355281A (en) | Eddy current surface flaw detection employing signal correlation | |
| US4436198A (en) | Conveyor belt system having a phase shift indicator and adjuster for optimum tuning of a synchronous rip detector circuit | |
| US4038653A (en) | Train position indicator | |
| US4349883A (en) | Signal detector circuit with gain control method | |
| US4914964A (en) | Alignment measuring system and method | |
| EP0086097A1 (en) | Detecting apparatus and method | |
| US5079729A (en) | Alignment measuring system & method | |
| CN2223736Y (zh) | 输送带纵向防撕裂检测控制装置 | |
| CN1314590A (zh) | 双检测线圈金属探测方法和装置 | |
| JPH05180804A (ja) | 埋設配管の検査方法 | |
| GB2034483A (en) | A method of, and apparatus for, detecting or monitoring the movement of a chain | |
| US3085245A (en) | Automatic switchover system for radio transmitters |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |