DE69837757D1 - Verfahren und vorrichtung zur erfassung von niedrigen lichtpegeln - Google Patents

Verfahren und vorrichtung zur erfassung von niedrigen lichtpegeln

Info

Publication number
DE69837757D1
DE69837757D1 DE69837757T DE69837757T DE69837757D1 DE 69837757 D1 DE69837757 D1 DE 69837757D1 DE 69837757 T DE69837757 T DE 69837757T DE 69837757 T DE69837757 T DE 69837757T DE 69837757 D1 DE69837757 D1 DE 69837757D1
Authority
DE
Germany
Prior art keywords
integration
low levels
detecting low
photo diode
slope
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 - Lifetime
Application number
DE69837757T
Other languages
English (en)
Other versions
DE69837757T2 (de
Inventor
Morten J Jensen
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.)
Caliper Life Sciences Inc
Original Assignee
Caliper Life Sciences 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 Caliper Life Sciences Inc filed Critical Caliper Life Sciences Inc
Publication of DE69837757D1 publication Critical patent/DE69837757D1/de
Application granted granted Critical
Publication of DE69837757T2 publication Critical patent/DE69837757T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
    • G01J1/44—Electric circuits
    • G01J1/46—Electric circuits using a capacitor
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
    • G01J1/44—Electric circuits

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Measurement Of Current Or Voltage (AREA)
DE69837757T 1997-06-27 1998-06-26 Verfahren und vorrichtung zur erfassung von niedrigen lichtpegeln Expired - Lifetime DE69837757T2 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US5110297P 1997-06-27 1997-06-27
US51102P 1997-06-27
US09/104,813 US5959291A (en) 1997-06-27 1998-06-25 Method and apparatus for measuring low power signals
US104813 1998-06-25
PCT/US1998/013329 WO1999000649A1 (en) 1997-06-27 1998-06-26 Method and apparatus for detecting low light levels

Publications (2)

Publication Number Publication Date
DE69837757D1 true DE69837757D1 (de) 2007-06-21
DE69837757T2 DE69837757T2 (de) 2008-01-17

Family

ID=26729063

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69837757T Expired - Lifetime DE69837757T2 (de) 1997-06-27 1998-06-26 Verfahren und vorrichtung zur erfassung von niedrigen lichtpegeln

Country Status (8)

Country Link
US (4) US5959291A (de)
EP (1) EP0991923B9 (de)
JP (1) JP2002508063A (de)
AT (1) ATE362095T1 (de)
AU (1) AU734271B2 (de)
CA (1) CA2292401C (de)
DE (1) DE69837757T2 (de)
WO (1) WO1999000649A1 (de)

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Also Published As

Publication number Publication date
CA2292401C (en) 2006-08-01
AU8170698A (en) 1999-01-19
JP2002508063A (ja) 2002-03-12
US6384401B1 (en) 2002-05-07
CA2292401A1 (en) 1999-01-07
US5959291A (en) 1999-09-28
US6011252A (en) 2000-01-04
EP0991923B1 (de) 2007-05-09
US6172353B1 (en) 2001-01-09
EP0991923B9 (de) 2007-10-17
ATE362095T1 (de) 2007-06-15
EP0991923A4 (de) 2001-03-28
WO1999000649A1 (en) 1999-01-07
EP0991923A1 (de) 2000-04-12
DE69837757T2 (de) 2008-01-17
AU734271B2 (en) 2001-06-07

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