JP6373259B2 - 地下配線検出における信号選択 - Google Patents
地下配線検出における信号選択 Download PDFInfo
- Publication number
- JP6373259B2 JP6373259B2 JP2015510396A JP2015510396A JP6373259B2 JP 6373259 B2 JP6373259 B2 JP 6373259B2 JP 2015510396 A JP2015510396 A JP 2015510396A JP 2015510396 A JP2015510396 A JP 2015510396A JP 6373259 B2 JP6373259 B2 JP 6373259B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- phase
- output
- transmitter
- digital synthesizer
- 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.)
- Active
Links
- 238000001514 detection method Methods 0.000 title description 33
- 239000004020 conductor Substances 0.000 claims description 49
- 238000005259 measurement Methods 0.000 claims description 27
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 17
- 239000002131 composite material Substances 0.000 claims description 10
- 239000006185 dispersion Substances 0.000 claims description 10
- 230000004044 response Effects 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 230000006870 function Effects 0.000 description 23
- 238000000034 method Methods 0.000 description 14
- 238000012545 processing Methods 0.000 description 10
- 230000005672 electromagnetic field Effects 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- 238000012937 correction Methods 0.000 description 4
- 230000001934 delay Effects 0.000 description 3
- 230000010363 phase shift Effects 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000005428 wave function Effects 0.000 description 2
- 102000001690 Factor VIII Human genes 0.000 description 1
- 108010054218 Factor VIII Proteins 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
- H04L27/14—Demodulator circuits; Receiver circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/04—Control of transmission; Equalising
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
- G01S17/06—Systems determining position data of a target
- G01S17/08—Systems determining position data of a target for measuring distance only
- G01S17/10—Systems determining position data of a target for measuring distance only using transmission of interrupted, pulse-modulated waves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P5/00—Coupling devices of the waveguide type
- H01P5/12—Coupling devices having more than two ports
- H01P5/16—Conjugate devices, i.e. devices having at least one port decoupled from one other port
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/46—Monitoring; Testing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/15—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for use during transport, e.g. by a person, vehicle or boat
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Remote Sensing (AREA)
- Signal Processing (AREA)
- Electromagnetism (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Geophysics (AREA)
- Radar, Positioning & Navigation (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Radar Systems Or Details Thereof (AREA)
- Geophysics And Detection Of Objects (AREA)
- Transmitters (AREA)
Description
本願は、2012年4月30日に出願された米国仮出願第61/640,441号の優先権、および2013年4月30日に出願された米国出願第13/874,312号の優先権を主張する。これらの全内容は参照により本願に組み込まれる。
Claims (9)
- 検出すべき配線上に対して信号を提供する送信器であって、
入力方形波信号に応じて複合出力信号を生成する少なくとも1つのダイレクトデジタルシンセサイザであって、前記複合出力信号は第1期間における第1周波数成分と第2期間における第2周波数成分を有する、ダイレクトデジタルシンセサイザ、
前記少なくとも1つのダイレクトデジタルシンセサイザのフィードバック入力に対してフィードバック信号を提供し、前記複合出力信号の前記第1および第2周波数成分を調整する、フィードバックループ、
を備えることを特徴とする送信器。 - 前記少なくとも1つのダイレクトデジタルシンセサイザは、前記入力方形波信号と制御位相信号を入力として受け取り、前記入力方形波信号と前記制御位相信号から前記複合出力信号を生成する、第1デジタルシンセサイザを備える
ことを特徴とする請求項1記載の送信器。 - 前記少なくとも1つのダイレクトデジタルシンセサイザは、前記フィードバック信号から前記入力方形波信号を生成するための正弦波出力および電流位相信号を生成するための信号を提供する、第2デジタルシンセサイザを備える
ことを特徴とする請求項2記載の送信器。 - 前記電流位相信号は、分散オフセット信号と混合され、積分されて前記制御位相信号を形成する
ことを特徴とする請求項3記載の送信器。 - 前記複合出力信号を負荷導体に対して出力する増幅器を備える
ことを特徴とする請求項1記載の送信器。 - 少なくとも1つのダイレクトデジタルシンセサイザを備え、第1期間における第1周波数成分と第2期間における第2周波数成分を有する複合出力信号を生成する信号生成モジュール、
前記複合出力信号を負荷導体に対して出力する出力ステージ、
前記出力ステージから信号を受け取り、前記信号生成モジュールから位相信号を受け取り、フィードバック信号を提供する、測定回路、
前記信号生成モジュールおよび前記測定回路と連結され、前記フィードバック信号に応じて前記信号生成モジュールを制御する、マイクロプロセッサ、
を備えることを特徴とする送信器。 - 前記信号生成モジュールの前記少なくとも1つのダイレクトデジタルシンセサイザは、 制御位相信号およびFSK制御信号に基づき前記複合出力信号を提供する第1ダイレクトデジタルシンセサイザ、
前記FSK制御信号と前記制御位相信号に基づき直交信号を提供する第2ダイレクトデジタルシンセサイザ、
前記制御位相信号と前記FSK制御信号に基づき同相信号を提供する第3ダイレクトデジタルシンセサイザ、
を備えることを特徴とする請求項6記載の送信器。 - 前記出力ステージは、
前記信号生成モジュールから前記複合出力信号を受け取るパルス波変調生成器、
前記パルス波変調生成器から変調出力信号を受け取るデジタルフィルタ、
前記デジタルフィルタからのフィルタリングされた出力信号を前記負荷導体にカップリングし、前記測定回路に対して信号を提供する、出力回路、
を備えることを特徴とする請求項7記載の送信器。 - 前記測定回路は、
前記出力回路から前記信号を受け取るように連結された測定増幅器、
前記測定増幅器から増幅信号を受け取るように連結された直交検出器、
前記直交検出器からの直交検出器信号に基づき前記マイクロプロセッサに対して前記フィードバック信号を提供する測定プロセッサ、
を備えることを特徴とする請求項8記載の送信器。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201261640441P | 2012-04-30 | 2012-04-30 | |
US61/640,441 | 2012-04-30 | ||
PCT/US2013/038945 WO2013166070A1 (en) | 2012-04-30 | 2013-04-30 | Signal select in underground line location |
US13/874,312 US9473203B2 (en) | 2012-04-30 | 2013-04-30 | Signal select in underground line location |
US13/874,312 | 2013-04-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2015521410A JP2015521410A (ja) | 2015-07-27 |
JP6373259B2 true JP6373259B2 (ja) | 2018-08-15 |
Family
ID=49477269
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015510396A Active JP6373259B2 (ja) | 2012-04-30 | 2013-04-30 | 地下配線検出における信号選択 |
Country Status (7)
Country | Link |
---|---|
US (2) | US9473203B2 (ja) |
EP (1) | EP2845038B1 (ja) |
JP (1) | JP6373259B2 (ja) |
CN (1) | CN104350394B (ja) |
AU (1) | AU2013256443B2 (ja) |
IN (1) | IN2014MN02315A (ja) |
WO (1) | WO2013166070A1 (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104350394B (zh) * | 2012-04-30 | 2017-12-15 | 麦特罗特克公司 | 地下管线定位中的信号选择的装置与方法 |
US10063220B2 (en) * | 2015-01-23 | 2018-08-28 | Metrotech Corporation | Signal generator with multiple outputs |
JP6437866B2 (ja) * | 2015-03-31 | 2018-12-12 | 大阪瓦斯株式会社 | 埋設金属の探知用の送信信号の設定方法及びこの設定方法を用いた探知装置 |
US10073186B1 (en) * | 2015-10-21 | 2018-09-11 | SeeScan, Inc. | Keyed current signal utility locating systems and methods |
US9857494B2 (en) | 2015-12-01 | 2018-01-02 | Mclaughlin Group, Inc. | System and method for locating an underground utility |
US10809410B2 (en) * | 2016-06-09 | 2020-10-20 | Optimal Ranging, Inc. | Method and apparatus for simultaneous inductive excitation and locating of utilities |
FR3078851B1 (fr) * | 2018-03-07 | 2020-02-14 | Teledyne E2V Semiconductors Sas | Camera de vision a mesure de temps de vol optimisee pour environnement multi-cameras |
EP3884310A2 (en) * | 2018-06-21 | 2021-09-29 | SeeScan, Inc. | Electromagnetic marker devices for buried or hidden use |
Family Cites Families (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2431221A1 (fr) | 1978-07-13 | 1980-02-08 | Cit Alcatel | Generateur numerique d'ondes sinusoidales echantillonnees |
US4258044A (en) | 1979-05-25 | 1981-03-24 | E. I. Du Pont De Nemours And Company | Fungicidal haloalkyl polyhaloquinoxaline sulfonates |
US4840485A (en) * | 1986-12-17 | 1989-06-20 | I.S.S. (U.S.A.) Inc. | Frequency domain cross-correlation fluorometry with phase-locked loop frequency synthesizers |
US5040240A (en) * | 1989-11-30 | 1991-08-13 | Magnavox Government And Industrial Electronics Company | Receiver architecture for use with a global positioning system |
US5231355A (en) * | 1990-06-18 | 1993-07-27 | The Charles Machine Works, Inc. | Locator transmitter having an automatically tuned antenna |
US5721514A (en) * | 1995-11-22 | 1998-02-24 | Efratom Time And Frequency Products, Inc. | Digital frequency generation in atomic frequency standards using digital phase shifting |
US6307441B1 (en) * | 1997-12-31 | 2001-10-23 | Texas Instruments Incorporated | Shape modulation transmit loop with digital frequency control and method for same |
US6525609B1 (en) * | 1998-11-12 | 2003-02-25 | Broadcom Corporation | Large gain range, high linearity, low noise MOS VGA |
US7092043B2 (en) * | 1998-11-12 | 2006-08-15 | Broadcom Corporation | Fully integrated tuner architecture |
US7276970B2 (en) * | 1998-11-12 | 2007-10-02 | Broadcom Corporation | System and method for linearizing a CMOS differential pair |
US6418174B1 (en) * | 1999-02-19 | 2002-07-09 | Rf Micro Devices, Inc. | Frequency shift key modulator |
DE19933333C1 (de) | 1999-07-16 | 2001-02-15 | Hagenuk Kmt Kabelmestechnik Gm | Verfahren und Vorrichtung zur Ortung einer metallischen Leitung |
US6297691B1 (en) * | 2000-06-09 | 2001-10-02 | Rosemount Inc. | Method and apparatus for demodulating coherent and non-coherent modulated signals |
CA2352398C (en) * | 2000-07-06 | 2005-07-26 | Unique Broadband Systems, Inc. | Low phase noise frequency converter |
US6664827B2 (en) * | 2001-03-02 | 2003-12-16 | Adc Telecommunications, Inc. | Direct digital synthesizer phase locked loop |
AU2002321748A1 (en) * | 2001-04-16 | 2002-11-18 | Paratec Ltd. | Method and apparatus for digital data transmission and reception using synthetically generated frequency |
JP3888154B2 (ja) * | 2001-12-21 | 2007-02-28 | 岩崎通信機株式会社 | 変調信号発生装置 |
JP3990401B2 (ja) * | 2002-06-19 | 2007-10-10 | 富士通株式会社 | 送信装置 |
EP1576385A2 (en) * | 2002-11-26 | 2005-09-21 | James F. Munro | An apparatus for high accuracy distance and velocity measurement and methods thereof |
US7062414B2 (en) * | 2003-07-18 | 2006-06-13 | Metrotech Corporation | Method and apparatus for digital detection of electromagnetic signal strength and signal direction in metallic pipes and cables |
US7057383B2 (en) | 2004-05-06 | 2006-06-06 | Metrotech Corporation, Inc. | Method for decoupling interference due to bleedover in metallic pipe and cable locators |
JP4687047B2 (ja) * | 2004-09-21 | 2011-05-25 | 株式会社ケンウッド | 無線通信制御装置及び無線通信方法 |
US7567875B2 (en) * | 2005-10-14 | 2009-07-28 | Radiodetection Limited | Enhanced sonde recognition |
US20070104295A1 (en) * | 2005-11-10 | 2007-05-10 | Honeywell International Inc. | RSSI for FSK IQ demodulator |
US7624296B2 (en) * | 2006-12-20 | 2009-11-24 | Itt Manufacturing Enterprises, Inc. | Method and apparatus for synchronizing multiple direct digital synthesizers (DDSs) across multiple printed circuit assemblies (PCAs) |
US7570123B2 (en) * | 2006-12-27 | 2009-08-04 | Telefonaktiebolaget Lm Ericsson (Publ) | Digitally controlled analog frequency synthesizer |
US8209136B2 (en) * | 2007-05-18 | 2012-06-26 | Metrotech Corporation, Inc. | Enhanced precise location |
US8249540B1 (en) * | 2008-08-07 | 2012-08-21 | Hypres, Inc. | Two stage radio frequency interference cancellation system and method |
EP2204530A1 (en) * | 2008-12-30 | 2010-07-07 | Services Pétroliers Schlumberger | A compact wireless transceiver |
CN104350394B (zh) * | 2012-04-30 | 2017-12-15 | 麦特罗特克公司 | 地下管线定位中的信号选择的装置与方法 |
EP2974041A4 (en) * | 2013-03-15 | 2016-10-26 | Certusview Technologies Llc | ELECTRO-OPTICAL APPARATUS AND METHODS FOR UPSTREAM ALIGNMENT OF CABLE COMMUNICATION SYSTEMS |
-
2013
- 2013-04-30 CN CN201380029578.3A patent/CN104350394B/zh active Active
- 2013-04-30 US US13/874,312 patent/US9473203B2/en active Active
- 2013-04-30 JP JP2015510396A patent/JP6373259B2/ja active Active
- 2013-04-30 AU AU2013256443A patent/AU2013256443B2/en active Active
- 2013-04-30 EP EP13784324.9A patent/EP2845038B1/en active Active
- 2013-04-30 IN IN2315MUN2014 patent/IN2014MN02315A/en unknown
- 2013-04-30 WO PCT/US2013/038945 patent/WO2013166070A1/en active Application Filing
-
2016
- 2016-10-17 US US15/295,897 patent/US10833901B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
EP2845038A1 (en) | 2015-03-11 |
US9473203B2 (en) | 2016-10-18 |
AU2013256443A1 (en) | 2014-11-27 |
AU2013256443B2 (en) | 2017-05-25 |
IN2014MN02315A (ja) | 2015-08-07 |
AU2013256443A8 (en) | 2015-07-16 |
JP2015521410A (ja) | 2015-07-27 |
US20170099168A1 (en) | 2017-04-06 |
EP2845038A4 (en) | 2015-12-23 |
CN104350394B (zh) | 2017-12-15 |
US20130287125A1 (en) | 2013-10-31 |
US10833901B2 (en) | 2020-11-10 |
EP2845038B1 (en) | 2018-08-08 |
WO2013166070A1 (en) | 2013-11-07 |
CN104350394A (zh) | 2015-02-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6373259B2 (ja) | 地下配線検出における信号選択 | |
CN100373171C (zh) | 电磁信号强度和信号方向的数字检测方法和设备 | |
US7310584B2 (en) | Enhanced sonde recognition | |
JPS58151575A (ja) | 電磁地質探査装置 | |
CN101526628B (zh) | 一种用于计算由埋入式载流导体产生的电磁场失真的探测器 | |
WO2005111662A1 (en) | Method for decoupling interference due to bleedover in a metallic pipe and cable locators | |
US7567875B2 (en) | Enhanced sonde recognition | |
US20120139525A1 (en) | Detector for Detecting a Current Carrying Conductor | |
GB2412738A (en) | Enhanced sonde recognition | |
US8676522B2 (en) | Detector for detecting a current carrying conductor | |
JP2018077166A (ja) | インピーダンス測定装置 | |
US5194816A (en) | Method and apparatus for locating electrical shorts between concealed conductive objects | |
GB2412737A (en) | Enhanced sonde recognition | |
US8472909B2 (en) | Filter device for detecting and/or removing erroneous components in and/or from a signal | |
CN105991203B (zh) | 频道选择装置及其方法 | |
JP3833565B2 (ja) | インピーダンス測定装置 | |
GB2486219A (en) | A detector for detecting a buried conductor comprising at least two magnetic field detectors | |
JP4731243B2 (ja) | 配電路探査装置 | |
GB2486218A (en) | Detecting the position/orientation of an underground pipe from the in-phase component of a signal measured by a magnetic field detector | |
JP2007285941A (ja) | 搬送波周波数測定装置及びその方法 | |
JPH07234284A (ja) | 位相制御による電磁探査の信号処理方法と位相制御 による電磁探査の信号処理装置 | |
JPS61218971A (ja) | 指向性ソノブイ信号の復調回路 | |
JPH10142167A (ja) | 濃度計 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20160418 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20170130 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20170307 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20170601 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20170615 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20171114 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20180208 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20180619 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20180717 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6373259 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |