ATE102805T1 - Vorrichtung zur uebernahme von daten bei auftreten asynchroner signale. - Google Patents

Vorrichtung zur uebernahme von daten bei auftreten asynchroner signale.

Info

Publication number
ATE102805T1
ATE102805T1 AT86307391T AT86307391T ATE102805T1 AT E102805 T1 ATE102805 T1 AT E102805T1 AT 86307391 T AT86307391 T AT 86307391T AT 86307391 T AT86307391 T AT 86307391T AT E102805 T1 ATE102805 T1 AT E102805T1
Authority
AT
Austria
Prior art keywords
counter
mhz
axial length
sampled
compared
Prior art date
Application number
AT86307391T
Other languages
English (en)
Inventor
David Wallace
Gary Mezack
William Dally
Steven Feldon
Douglas Whiting
Scott Karns
Original Assignee
Mentor O & O Inc
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 Mentor O & O Inc filed Critical Mentor O & O Inc
Application granted granted Critical
Publication of ATE102805T1 publication Critical patent/ATE102805T1/de

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
    • A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
    • A61B3/1005—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for measuring distances inside the eye, e.g. thickness of the cornea
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/10—Eye inspection
    • 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
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/06—Systems determining the position data of a target
    • G01S15/08—Systems for measuring distance only
    • G01S15/10—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves
    • G01S15/101—Particularities of the measurement of distance
    • 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
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/88—Sonar systems specially adapted for specific applications

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Molecular Biology (AREA)
  • General Health & Medical Sciences (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Biophysics (AREA)
  • Ophthalmology & Optometry (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Acoustics & Sound (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Physics & Mathematics (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
  • Communication Control (AREA)
  • Prostheses (AREA)
  • Eye Examination Apparatus (AREA)
AT86307391T 1985-09-27 1986-09-25 Vorrichtung zur uebernahme von daten bei auftreten asynchroner signale. ATE102805T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/781,257 US4817432A (en) 1985-09-27 1985-09-27 Digital ultrasonic instrument for ophthalmic use
EP86307391A EP0222476B1 (de) 1985-09-27 1986-09-25 Vorrichtung zur Übernahme von Daten bei Auftreten asynchroner Signale

Publications (1)

Publication Number Publication Date
ATE102805T1 true ATE102805T1 (de) 1994-04-15

Family

ID=25122161

Family Applications (1)

Application Number Title Priority Date Filing Date
AT86307391T ATE102805T1 (de) 1985-09-27 1986-09-25 Vorrichtung zur uebernahme von daten bei auftreten asynchroner signale.

Country Status (5)

Country Link
US (1) US4817432A (de)
EP (1) EP0222476B1 (de)
JP (1) JPH0696014B2 (de)
AT (1) ATE102805T1 (de)
DE (1) DE3689716T2 (de)

Families Citing this family (51)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4747296A (en) 1985-09-27 1988-05-31 Design Team Partners Electronic tonometer with baseline nulling system
ATE95998T1 (de) * 1985-09-27 1993-11-15 Mentor O & O Inc Unabhaengiges, tragbares ultraschall-instrument zur anwendung in der augenheilkunde.
JP2996302B2 (ja) * 1988-09-22 1999-12-27 株式会社トプコン レーザースキャン眼底カメラ
FR2650071B1 (fr) * 1989-07-20 1991-09-27 Asulab Sa Procede de traitement d'un signal electrique
US5308355A (en) * 1992-11-06 1994-05-03 Alexander Dybbs Ophthalmic surgical instrument and method
US5331962A (en) * 1993-04-16 1994-07-26 Cornell Research Foundation Inc. Ultrasound system for corneal biometry
USD350907S (en) 1993-06-10 1994-09-27 Villasenor Richard A Pachymeter
DE19540034B4 (de) * 1995-10-27 2005-04-21 Gestra Ag Sonde mit einseitig vorkragendem Kopfgehäuse
US6079831A (en) * 1997-04-24 2000-06-27 Orbtek, Inc. Device and method for mapping the topography of an eye using elevation measurements in combination with slope measurements
US5864383A (en) * 1997-04-24 1999-01-26 Orbtek, Inc. Single-curvature placido plate
US6225890B1 (en) 1998-03-20 2001-05-01 Trimble Navigation Limited Vehicle use control
US6115326A (en) * 1998-10-22 2000-09-05 Integrated Medical Systems, Inc. Ultrasonic micro-machined selectable transducer array
US6113542A (en) * 1998-12-15 2000-09-05 Hyman; George F. Diagnostic apparatus and method to provide effective intraocular pressure based on measured thickness of the cornea
WO2001049183A1 (en) * 2000-01-03 2001-07-12 Johns Hopkins University Intraoperative microsurgical ultrasonic device and methods
CA2295431A1 (en) 2000-01-06 2001-07-06 Scott Howard Phillips Ophthalmic apparatus
US6887203B2 (en) 2000-01-06 2005-05-03 Ultralink Ophthalmics Inc. Ophthalmological ultrasonography scanning apparatus
US6675095B1 (en) 2001-12-15 2004-01-06 Trimble Navigation, Ltd On-board apparatus for avoiding restricted air space in non-overriding mode
US6876356B2 (en) * 2002-03-18 2005-04-05 Pegasus Technologies Ltd. Digitizer pen
JP4672550B2 (ja) * 2002-10-16 2011-04-20 キャンベル・サイエンス・グループ・インコーポレーテッド 角膜特性測定装置
US20040193054A1 (en) * 2003-02-19 2004-09-30 Leblanc Paul D. Hand-held ophthalmic device
US20050030473A1 (en) * 2003-06-12 2005-02-10 Welch Allyn, Inc. Apparatus and method for determining intraocular pressure and corneal thickness
WO2006124960A2 (en) * 2005-05-16 2006-11-23 Innersea Technology, Inc. Miniature physiological telemeter
US7496174B2 (en) * 2006-10-16 2009-02-24 Oraya Therapeutics, Inc. Portable orthovoltage radiotherapy
US7620147B2 (en) * 2006-12-13 2009-11-17 Oraya Therapeutics, Inc. Orthovoltage radiotherapy
US8363783B2 (en) 2007-06-04 2013-01-29 Oraya Therapeutics, Inc. Method and device for ocular alignment and coupling of ocular structures
US8920406B2 (en) * 2008-01-11 2014-12-30 Oraya Therapeutics, Inc. Device and assembly for positioning and stabilizing an eye
EP2231277B1 (de) * 2007-12-23 2017-08-30 Carl Zeiss Meditec, Inc. Vorrichtungen für den nachweis, die kontrolle und die vorhersage von strahlenabgabe
US7801271B2 (en) 2007-12-23 2010-09-21 Oraya Therapeutics, Inc. Methods and devices for orthovoltage ocular radiotherapy and treatment planning
EP2231021A4 (de) 2008-01-02 2011-06-29 Arcscan Inc Bestandteile für einen ultraschallbogenscanner
US10531859B2 (en) 2008-01-02 2020-01-14 Arcscan, Inc. Components for a precision ultrasonic scanning apparatus for body parts
WO2009124271A1 (en) * 2008-04-03 2009-10-08 Arcscan, Inc. Procedures for an ultrasonic arc scanning apparatus
WO2009146434A1 (en) * 2008-05-29 2009-12-03 Arcscan, Inc. Compound scanning head for an ultrasonic scanning apparatus
WO2010075097A1 (en) 2008-12-15 2010-07-01 Arcsan, Inc. Alignment and imaging of an eye with an ultrasonic scanner
US9149254B2 (en) 2008-12-15 2015-10-06 Arcscan, Inc. Alignment and imaging of an eye with an ultrasonic scanner
US8510883B2 (en) * 2009-10-30 2013-08-20 Arcscan, Inc. Method of positioning a patient for medical procedures
US9597059B2 (en) 2012-05-17 2017-03-21 Arcscan, Inc. Correcting for unintended motion for ultrasonic eye scans
US9320427B2 (en) 2012-07-09 2016-04-26 Arcscan, Inc. Combination optical and ultrasonic imaging of an eye
US10736605B2 (en) 2014-02-24 2020-08-11 Arcscan, Inc. Disposable eyepiece system for an ultrasonic eye scanning apparatus
CN106556307B (zh) * 2015-09-30 2020-02-18 捷荣科技集团有限公司 一种可显示面积周长的格雷码带智能卷尺
CN106556304B (zh) * 2015-09-30 2020-02-18 捷荣科技集团有限公司 一种可扫码的格雷码带智能卷尺及虚拟试衣实现方法
CN106557941B (zh) * 2015-09-30 2020-04-07 捷荣科技集团有限公司 一种基于人体模型的衣服订制方法和系统
CN106556309B (zh) * 2015-09-30 2020-02-07 捷荣科技集团有限公司 一种格雷码带、格雷码带智能卷尺及数据读取方法
US11426611B2 (en) 2015-10-13 2022-08-30 Arcscan, Inc. Ultrasound therapeutic and scanning apparatus
WO2017066460A1 (en) 2015-10-13 2017-04-20 Arcscan, Inc Ultrasonic scanning apparatus
JP6727941B2 (ja) * 2016-06-14 2020-07-22 株式会社ミツトヨ 測定器
CN109891843B (zh) * 2016-09-08 2022-03-08 美国莱迪思半导体公司 计算机实现的方法和执行计算机实现的方法的系统
US11357479B2 (en) 2018-05-24 2022-06-14 Arcscan, Inc. Method for measuring behind the iris after locating the scleral spur
CN114072061A (zh) * 2019-06-25 2022-02-18 布弗莱运营公司 用于处理超声信号的方法和装置
CN217138100U (zh) 2019-12-23 2022-08-09 自动矢量化股份有限公司 用于控制眼睑运动的设备和用于控制眼睑运动的系统
CN115209815A (zh) 2020-01-07 2022-10-18 自动矢量化股份有限公司 合成超声图像
GB2614195B (en) 2020-08-25 2025-01-29 Arcscan Inc Ultrasound eye scanning device

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4127114A (en) * 1976-08-30 1978-11-28 Carba S.A. Apparatus for the automatic measurement of the arterial pressure of a patient
US4154114A (en) * 1977-12-02 1979-05-15 Sonometrics Systems, Inc. Biometric measuring device
EP0013616B1 (de) * 1979-01-08 1984-09-12 Schlumberger Electronics (U.K.) Limited Verfahren und Apparat zur Dickenmessung mit Ultraschall
NL8002888A (nl) * 1980-05-19 1981-12-16 Neratoom Stelsel voor het meten van de wanddikte van een meetobject.
US4412248A (en) * 1982-01-11 1983-10-25 Technicare Corporation Ultrasonic image storage device and method
US4564018A (en) * 1982-10-28 1986-01-14 Storz Instrument Company Ultrasonic system for obtaining ocular measurements
US4508121A (en) * 1983-08-08 1985-04-02 Medsys, Inc. Apparatus for measurement of corneal thickness

Also Published As

Publication number Publication date
EP0222476A3 (en) 1988-11-17
US4817432A (en) 1989-04-04
EP0222476B1 (de) 1994-03-16
DE3689716D1 (de) 1994-04-21
DE3689716T2 (de) 1994-07-07
EP0222476A2 (de) 1987-05-20
JPH0696014B2 (ja) 1994-11-30
JPS62142538A (ja) 1987-06-25

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