CA2850073A1 - Optical source driver circuit for depth imager - Google Patents

Optical source driver circuit for depth imager Download PDF

Info

Publication number
CA2850073A1
CA2850073A1 CA2850073A CA2850073A CA2850073A1 CA 2850073 A1 CA2850073 A1 CA 2850073A1 CA 2850073 A CA2850073 A CA 2850073A CA 2850073 A CA2850073 A CA 2850073A CA 2850073 A1 CA2850073 A1 CA 2850073A1
Authority
CA
Canada
Prior art keywords
amplitude
frequency
variation
control module
driver circuit
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.)
Abandoned
Application number
CA2850073A
Other languages
English (en)
French (fr)
Inventor
Boris Livshitz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LSI Corp
Original Assignee
LSI 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 LSI Corp filed Critical LSI Corp
Publication of CA2850073A1 publication Critical patent/CA2850073A1/en
Abandoned legal-status Critical Current

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
    • 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
    • G01S7/491—Details of non-pulse systems
    • G01S7/4911—Transmitters
    • 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
    • G01S17/88—Lidar systems specially adapted for specific applications
    • G01S17/89—Lidar systems specially adapted for specific applications for mapping or imaging
    • G01S17/894—Three-dimensional [3D] imaging with simultaneous measurement of time-of-flight at a two-dimensional [2D] array of receiver pixels, e.g. time-of-flight cameras or flash lidar

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Electromagnetism (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Measurement Of Optical Distance (AREA)
  • Studio Devices (AREA)
CA2850073A 2012-10-23 2013-07-03 Optical source driver circuit for depth imager Abandoned CA2850073A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US13/658,153 US20140111617A1 (en) 2012-10-23 2012-10-23 Optical source driver circuit for depth imager
US13/658,153 2012-10-23
PCT/US2013/049294 WO2014065904A1 (en) 2012-10-23 2013-07-03 Optical source driver circuit for depth imager

Publications (1)

Publication Number Publication Date
CA2850073A1 true CA2850073A1 (en) 2014-05-01

Family

ID=50484980

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2850073A Abandoned CA2850073A1 (en) 2012-10-23 2013-07-03 Optical source driver circuit for depth imager

Country Status (7)

Country Link
US (1) US20140111617A1 (https=)
JP (1) JP2016502068A (https=)
KR (1) KR20150079494A (https=)
CN (1) CN104024789A (https=)
CA (1) CA2850073A1 (https=)
TW (1) TW201416716A (https=)
WO (1) WO2014065904A1 (https=)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11169251B2 (en) 2018-03-28 2021-11-09 Qualcomm Incorporated Proximity detection using multiple power levels
KR102646902B1 (ko) 2019-02-12 2024-03-12 삼성전자주식회사 거리 측정을 위한 이미지 센서
CN110186387B (zh) * 2019-06-04 2024-12-17 浙江舜宇光学有限公司 深度的检测方法、装置和系统
KR102821352B1 (ko) * 2022-04-11 2025-06-16 한국표준과학연구원 광-마이크로파 혼합 기반의 진폭 변조 레이저 거리 측정 장치 및 방법

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020071109A1 (en) * 2000-07-24 2002-06-13 Christopher Allen Laser radar system and method
US6496078B1 (en) * 2000-08-31 2002-12-17 Sony Corporation Activating on-chip oscillator using ring oscillator
WO2003054474A1 (en) * 2001-12-10 2003-07-03 Zygo Corporation Method and apparatus for calibrating a wavelength-tuning interferometer
ATE410826T1 (de) * 2003-08-01 2008-10-15 Bae Systems Information Isolierte steuervorrichtung mit lichtgesteuerten leistungshalbleitern
US7379163B2 (en) * 2005-02-08 2008-05-27 Canesta, Inc. Method and system for automatic gain control of sensors in time-of-flight systems
DE102005034702A1 (de) * 2005-07-26 2007-02-01 Robert Bosch Gmbh Verfahren und Schaltungsanordnung zur sicheren Inbetriebnahme eines Drehratensensors
US7492630B2 (en) * 2006-07-31 2009-02-17 Sandisk 3D Llc Systems for reverse bias trim operations in non-volatile memory
US7636150B1 (en) * 2006-12-01 2009-12-22 Canesta, Inc. Method and system to enhance timing accuracy for time-of-flight systems
US7852461B2 (en) * 2007-11-15 2010-12-14 Microsoft International Holdings B.V. Dual mode depth imaging
US7994870B2 (en) * 2008-10-20 2011-08-09 Qualcomm, Incorporated Tunable filter with gain control circuit
US8389929B2 (en) * 2010-03-02 2013-03-05 Thermo Finnigan Llc Quadrupole mass spectrometer with enhanced sensitivity and mass resolving power
US8548270B2 (en) * 2010-10-04 2013-10-01 Microsoft Corporation Time-of-flight depth imaging
US8724887B2 (en) * 2011-02-03 2014-05-13 Microsoft Corporation Environmental modifications to mitigate environmental factors
CN103477352A (zh) * 2011-04-11 2013-12-25 英特尔公司 使用深度图像的姿势识别
US8804101B2 (en) * 2012-03-16 2014-08-12 Advanced Scientific Concepts, Inc. Personal LADAR sensor

Also Published As

Publication number Publication date
WO2014065904A1 (en) 2014-05-01
TW201416716A (zh) 2014-05-01
JP2016502068A (ja) 2016-01-21
KR20150079494A (ko) 2015-07-08
CN104024789A (zh) 2014-09-03
US20140111617A1 (en) 2014-04-24

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Legal Events

Date Code Title Description
FZDE Discontinued

Effective date: 20160704