ATE504802T1 - Zeitdifferenz-messeinrichtung, messverfahren, distanzmesseinrichtung und distanzmessverfahren - Google Patents

Zeitdifferenz-messeinrichtung, messverfahren, distanzmesseinrichtung und distanzmessverfahren

Info

Publication number
ATE504802T1
ATE504802T1 AT05788288T AT05788288T ATE504802T1 AT E504802 T1 ATE504802 T1 AT E504802T1 AT 05788288 T AT05788288 T AT 05788288T AT 05788288 T AT05788288 T AT 05788288T AT E504802 T1 ATE504802 T1 AT E504802T1
Authority
AT
Austria
Prior art keywords
time difference
measuring device
pulse signals
generation
distance measuring
Prior art date
Application number
AT05788288T
Other languages
English (en)
Inventor
Masahiro Ohishi
Fumio Ohtomo
Original Assignee
Topcon Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Topcon Corp filed Critical Topcon Corp
Application granted granted Critical
Publication of ATE504802T1 publication Critical patent/ATE504802T1/de

Links

Classifications

    • 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
    • G01S17/14—Systems determining position data of a target for measuring distance only using transmission of interrupted, pulse-modulated waves wherein a voltage or current pulse is initiated and terminated in accordance with the pulse transmission and echo reception respectively, e.g. using counters
    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F10/00—Apparatus for measuring unknown time intervals by electric means
    • G04F10/06—Apparatus for measuring unknown time intervals by electric means by measuring phase
    • 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/497—Means for monitoring or calibrating

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Electromagnetism (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Measurement Of Optical Distance (AREA)
AT05788288T 2004-10-04 2005-09-30 Zeitdifferenz-messeinrichtung, messverfahren, distanzmesseinrichtung und distanzmessverfahren ATE504802T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2004291495 2004-10-04
JP2005169500A JP2006133214A (ja) 2004-10-04 2005-06-09 時間差測定装置および測定方法並びに測距装置および測距方法
PCT/JP2005/018142 WO2006038559A1 (ja) 2004-10-04 2005-09-30 時間差測定装置および測定方法並びに測距装置および測距方法

Publications (1)

Publication Number Publication Date
ATE504802T1 true ATE504802T1 (de) 2011-04-15

Family

ID=36142633

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05788288T ATE504802T1 (de) 2004-10-04 2005-09-30 Zeitdifferenz-messeinrichtung, messverfahren, distanzmesseinrichtung und distanzmessverfahren

Country Status (7)

Country Link
US (1) US7777865B2 (de)
EP (1) EP1808671B1 (de)
JP (1) JP2006133214A (de)
CN (1) CN101044371B (de)
AT (1) ATE504802T1 (de)
DE (1) DE602005027381D1 (de)
WO (1) WO2006038559A1 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4878127B2 (ja) * 2005-06-10 2012-02-15 株式会社トプコン 時間差測定装置および距離測定装置並びに距離測定方法
US7378854B2 (en) * 2005-10-28 2008-05-27 Teradyne, Inc. Dual sine-wave time stamp method and apparatus
WO2008154737A1 (en) * 2007-06-18 2008-12-24 Leddartech Inc. Lighting system with traffic management capabilities
US7945408B2 (en) 2007-09-20 2011-05-17 Voxis, Inc. Time delay estimation
CN101247141B (zh) * 2007-12-05 2011-07-06 电子科技大学 一种跳频信号时差估计方法
JP5683782B2 (ja) 2008-12-25 2015-03-11 株式会社トプコン 距離測定装置及び距離測定方法
CN102455421B (zh) * 2010-10-27 2014-03-26 清华大学 无需时间同步的声音定位系统及方法
CN102760453A (zh) * 2011-04-29 2012-10-31 广明光电股份有限公司 循轨误差信号相位差判断方法
CN103676621B (zh) * 2013-12-18 2017-02-15 哈尔滨工程大学 一种相位式导线中电信号传输时间测量方法及装置
US9983298B2 (en) * 2015-02-05 2018-05-29 Associated Universities, LLC Fiber optic based laser range finder
EP3400426B1 (de) 2016-01-07 2021-12-08 Brightspec, Inc. Verfahren und vorrichtung zur fourier-transformations-millimeter-wellenspektroskopie mittels direkter frequenzmultiplikation
CN107436383B (zh) * 2017-08-22 2019-08-16 电子科技大学 一种高精度脉冲信号时差测量装置和测量方法
CN110031860B (zh) * 2019-04-03 2021-04-02 维沃移动通信有限公司 激光测距方法、装置和移动终端
CN110166219B (zh) * 2019-04-19 2022-04-15 中国计量科学研究院 时刻信号精确表征和传递方法
CN112824983B (zh) * 2019-11-20 2022-08-19 圣邦微电子（北京）股份有限公司 时间测量电路、时间测量芯片及时间测量装置
GB202201073D0 (en) * 2022-01-27 2022-03-16 Red Sensors Ltd Measurement system
CN115790470B (zh) * 2022-12-19 2025-08-26 中国化学工程第十一建设有限公司 一种电缆长度的确定方法、装置、电子设备及存储介质

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5960271A (ja) * 1982-09-29 1984-04-06 Nissan Motor Co Ltd 光レ−ダ装置
JPS6263885A (ja) * 1985-08-21 1987-03-20 Yokogawa Electric Corp 時間幅計測装置
JPS6385489A (ja) * 1986-09-30 1988-04-15 Yokogawa Electric Corp 微小時間差計測装置
EP0348898B1 (de) 1988-06-29 1996-03-20 Kabushiki Kaisha TOPCON Hochauflösendes Zeitdifferenzmessgerät
JP2909742B2 (ja) * 1988-06-29 1999-06-23 株式会社トプコン 遅延時間測定装置
JP2896782B2 (ja) * 1988-12-30 1999-05-31 株式会社トプコン パルス方式の光波距離計
FR2678071B1 (fr) * 1991-06-18 1994-11-04 Thomson Csf Dispositif electronique de mesure de retards.
US5566139A (en) * 1993-09-20 1996-10-15 The United States Of America As Represented By The United States National Aeronautics And Space Administration Picosecond resolution sampling time interval unit
CN1110398A (zh) * 1993-12-27 1995-10-18 现代电子产业株式会社 光学测距装置及其方法
JPH08122465A (ja) * 1994-10-27 1996-05-17 Sony Tektronix Corp 時間測定装置
JPH08146160A (ja) * 1994-11-17 1996-06-07 Sony Tektronix Corp 時間測定装置
US5574552A (en) * 1995-01-19 1996-11-12 Laser Technology, Inc. Self-calibrating precision timing circuit and method for a laser range finder
JP2000356677A (ja) * 1999-06-15 2000-12-26 Topcon Corp 距離の測定装置と距離測定方法
JP4857466B2 (ja) * 2001-01-18 2012-01-18 株式会社デンソー 時間測定装置及び距離測定装置

Also Published As

Publication number Publication date
CN101044371A (zh) 2007-09-26
WO2006038559A1 (ja) 2006-04-13
EP1808671B1 (de) 2011-04-06
EP1808671A4 (de) 2008-11-12
DE602005027381D1 (de) 2011-05-19
EP1808671A1 (de) 2007-07-18
CN101044371B (zh) 2013-03-06
US20090122296A1 (en) 2009-05-14
JP2006133214A (ja) 2006-05-25
US7777865B2 (en) 2010-08-17

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