DE69028868D1 - Datenerfassungssystem für Computertomographie - Google Patents

Datenerfassungssystem für Computertomographie

Info

Publication number
DE69028868D1
DE69028868D1 DE69028868T DE69028868T DE69028868D1 DE 69028868 D1 DE69028868 D1 DE 69028868D1 DE 69028868 T DE69028868 T DE 69028868T DE 69028868 T DE69028868 T DE 69028868T DE 69028868 D1 DE69028868 D1 DE 69028868D1
Authority
DE
Germany
Prior art keywords
data acquisition
acquisition system
computed tomography
tomography
computed
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 - Fee Related
Application number
DE69028868T
Other languages
English (en)
Other versions
DE69028868T2 (de
Inventor
Hans J Weedon
Enrico Dolazza
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.)
Analogic Corp
Original Assignee
Analogic 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 Analogic Corp filed Critical Analogic Corp
Application granted granted Critical
Publication of DE69028868D1 publication Critical patent/DE69028868D1/de
Publication of DE69028868T2 publication Critical patent/DE69028868T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/1205—Multiplexed conversion systems
    • H03M1/123—Simultaneous, i.e. using one converter per channel but with common control or reference circuits for multiple converters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/50—Analogue/digital converters with intermediate conversion to time interval
    • H03M1/56—Input signal compared with linear ramp
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/50—Analogue/digital converters with intermediate conversion to time interval
    • H03M1/58—Non-linear conversion

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Analogue/Digital Conversion (AREA)
  • Measurement Of Radiation (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
DE69028868T 1989-04-04 1990-02-15 Datenerfassungssystem für Computertomographie Expired - Fee Related DE69028868T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/333,103 US5138552A (en) 1989-04-04 1989-04-04 Data acquisition system using non-linear digitization intervals

Publications (2)

Publication Number Publication Date
DE69028868D1 true DE69028868D1 (de) 1996-11-21
DE69028868T2 DE69028868T2 (de) 1997-02-13

Family

ID=23301288

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69028868T Expired - Fee Related DE69028868T2 (de) 1989-04-04 1990-02-15 Datenerfassungssystem für Computertomographie

Country Status (4)

Country Link
US (1) US5138552A (de)
EP (1) EP0391522B1 (de)
JP (1) JPH0618032B2 (de)
DE (1) DE69028868T2 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995033184A1 (en) * 1994-05-26 1995-12-07 Astra Aktiebolag Measurement system and method
DE19535615A1 (de) 1994-10-20 1996-05-02 Analogic Corp Datenerfassungssystem, insbesondere für Computertomographie-Geräte
US5619114A (en) * 1995-03-20 1997-04-08 Allen-Bradley Company, Inc. Signal averager for use with motor controller
US5734288A (en) * 1996-01-31 1998-03-31 Analogic Corporation Apparatus for and method of autozeroing the output of a charge-to-voltage converter
US5982318A (en) * 1997-10-10 1999-11-09 Lucent Technologies Inc. Linearizing offset cancelling white balancing and gamma correcting analog to digital converter for active pixel sensor imagers with self calibrating and self adjusting properties
US6177901B1 (en) * 1999-02-03 2001-01-23 Li Pan High accuracy, high speed, low power analog-to-digital conversion method and circuit
US7109476B2 (en) 1999-02-09 2006-09-19 Syagen Technology Multiple ion sources involving atmospheric pressure photoionization
US7119342B2 (en) * 1999-02-09 2006-10-10 Syagen Technology Interfaces for a photoionization mass spectrometer
FI107478B (fi) * 1999-12-03 2001-08-15 Nokia Networks Oy Digitaalinen ramppigeneraattori, jossa on lähtötehon säädin
US6462684B1 (en) * 2001-09-07 2002-10-08 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Advanced self-calibrating, self-repairing data acquisition system
CA2407242C (en) 2001-10-10 2011-05-31 David I. Havelock Aggregate beamformer for use in a directional receiving array
US6737642B2 (en) 2002-03-18 2004-05-18 Syagen Technology High dynamic range analog-to-digital converter
EP2622743A1 (de) 2010-09-30 2013-08-07 Analogic Corporation Nichtlineare datenerfassung
US11489543B1 (en) * 2019-03-22 2022-11-01 University Of South Florida Lossless data compression for sensors
US11531728B2 (en) * 2020-02-29 2022-12-20 Tetramem Inc. Two-stage ramp ADC in crossbar array circuits for high-speed matrix multiplication computing

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4070707A (en) * 1976-07-12 1978-01-24 General Electric Company Reduction of offsets in data acquisition systems
US4163947A (en) * 1977-09-23 1979-08-07 Analogic Corporation Current and voltage autozeroing integrator
JPS5827533B2 (ja) * 1978-03-16 1983-06-10 株式会社東芝 信号読取り装置
JPS54160157A (en) * 1978-06-09 1979-12-18 Toshiba Corp Analog-digital converter
JPS5873648U (ja) * 1981-11-12 1983-05-18 横河電機株式会社 アナログディジタル変換器
US4569028A (en) * 1983-06-24 1986-02-04 Analogic Corporation Adaptive digitizer circuit for information processing system
US4573035A (en) * 1984-07-25 1986-02-25 Analogic Corporation Digital x-ray system
JPS6177431A (ja) * 1984-09-25 1986-04-21 Hitachi Ltd Ｘ線ｃｔ装置用アナログデイジタル変換器
DE3516303A1 (de) * 1985-05-07 1986-11-13 Robert Bosch Gmbh, 7000 Stuttgart Verfahren zur transformation der signalcharakteristik eines sensorsignals

Also Published As

Publication number Publication date
JPH0618032B2 (ja) 1994-03-09
EP0391522A2 (de) 1990-10-10
DE69028868T2 (de) 1997-02-13
US5138552A (en) 1992-08-11
EP0391522B1 (de) 1996-10-16
JPH02292620A (ja) 1990-12-04
EP0391522A3 (de) 1992-04-29

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee