CH684864GA3 - Method for measuring the flash duration of a flash device and device for carrying out such a method. - Google Patents

Method for measuring the flash duration of a flash device and device for carrying out such a method.

Info

Publication number
CH684864GA3
CH684864GA3 CH3031/89A CH303189A CH684864GA3 CH 684864G A3 CH684864G A3 CH 684864GA3 CH 3031/89 A CH3031/89 A CH 3031/89A CH 303189 A CH303189 A CH 303189A CH 684864G A3 CH684864G A3 CH 684864GA3
Authority
CH
Switzerland
Prior art keywords
flash
measuring
carrying
duration
flash duration
Prior art date
Application number
CH3031/89A
Other languages
German (de)
Other versions
CH684864B5 (en
Inventor
Jean-Francois Bernhard
Original Assignee
Bron Elektronik Ag
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 Bron Elektronik Ag filed Critical Bron Elektronik Ag
Publication of CH684864GA3 publication Critical patent/CH684864GA3/en
Publication of CH684864B5 publication Critical patent/CH684864B5/en

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F13/00—Apparatus for measuring unknown time intervals by means not provided for in groups G04F5/00 - G04F10/00
    • G04F13/02—Apparatus for measuring unknown time intervals by means not provided for in groups G04F5/00 - G04F10/00 using optical means
    • G04F13/026—Measuring duration of ultra-short light pulses, e.g. in the pico-second range; particular detecting devices therefor

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
  • Stroboscope Apparatuses (AREA)
CH3031/89A 1988-09-30 1989-08-21 Method for measuring the flash duration of the flash unit, and means for performing such a method. CH684864B5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3833208A DE3833208C2 (en) 1988-09-30 1988-09-30 Process for measuring the flash duration of a flash device and device for carrying out such a process

Publications (2)

Publication Number Publication Date
CH684864GA3 true CH684864GA3 (en) 1995-01-31
CH684864B5 CH684864B5 (en) 1995-07-31

Family

ID=6364057

Family Applications (1)

Application Number Title Priority Date Filing Date
CH3031/89A CH684864B5 (en) 1988-09-30 1989-08-21 Method for measuring the flash duration of the flash unit, and means for performing such a method.

Country Status (6)

Country Link
US (1) US5066121A (en)
JP (1) JP2753344B2 (en)
CH (1) CH684864B5 (en)
DE (1) DE3833208C2 (en)
FR (1) FR2637392B1 (en)
GB (1) GB2224570B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5206500A (en) * 1992-05-28 1993-04-27 Cincinnati Microwave, Inc. Pulsed-laser detection with pulse stretcher and noise averaging
US6441896B1 (en) * 1999-12-17 2002-08-27 Midwest Research Institute Method and apparatus for measuring spatial uniformity of radiation
FR2903566B1 (en) * 2006-07-07 2008-10-10 Airbus France Sas METHOD AND DEVICE FOR MONITORING THE LIGHTING OF LAMP BULBS
CN109844635B (en) 2016-09-09 2021-06-29 保富图公司 Determination of the start time of a flash emitted from a flash tube

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1907102A1 (en) * 1968-02-14 1969-09-11 Minolta Camera Kk Device for measuring the amount of light
DE2907382A1 (en) * 1978-03-07 1979-09-20 Minolta Camera Kk DEVICE FOR THE OPTICAL MEASUREMENT OF A PROPERTY OF AN OBJECT
DE2850246A1 (en) * 1978-11-20 1980-05-29 Interatom Travel time measuring system for flow rate determination - compares signals from two spaced probes by storing and delaying first signal until it agrees with second
DE3341826A1 (en) * 1983-10-19 1985-05-30 Robert Bosch Gmbh, 7000 Stuttgart Electronic circuit arrangement for converting the duration of a pulse into a proportional voltage
DE3743954A1 (en) * 1986-12-25 1988-07-14 Fuji Electric Co Ltd LIGHT INTENSITY MEASURING DEVICE

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2996624A (en) * 1959-08-11 1961-08-15 Victor R Mumma Method for stretching photometer pulses for accurate measurement of pulse height
US3553593A (en) * 1968-01-10 1971-01-05 Westinghouse Electric Corp Pulse width measuring circuit
US3802768A (en) * 1973-04-23 1974-04-09 Tropel Blink compensating method for objective refractor for the eye
US4636053A (en) * 1978-02-24 1987-01-13 Canon Kabushiki Kaisha Distance detecting device
JPS57208545A (en) * 1981-06-18 1982-12-21 Canon Inc Strobe triggering device
JPS5814124A (en) * 1981-07-17 1983-01-26 Minolta Camera Co Ltd Exposure controller for camera
JPS5863927A (en) * 1981-10-13 1983-04-16 Canon Inc Flash photography capable of test emission of light
US4847680A (en) * 1986-09-24 1989-07-11 Canon Kabushiki Kaisha Image pickup apparatus with white balance control

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1907102A1 (en) * 1968-02-14 1969-09-11 Minolta Camera Kk Device for measuring the amount of light
DE2907382A1 (en) * 1978-03-07 1979-09-20 Minolta Camera Kk DEVICE FOR THE OPTICAL MEASUREMENT OF A PROPERTY OF AN OBJECT
DE2850246A1 (en) * 1978-11-20 1980-05-29 Interatom Travel time measuring system for flow rate determination - compares signals from two spaced probes by storing and delaying first signal until it agrees with second
DE3341826A1 (en) * 1983-10-19 1985-05-30 Robert Bosch Gmbh, 7000 Stuttgart Electronic circuit arrangement for converting the duration of a pulse into a proportional voltage
DE3743954A1 (en) * 1986-12-25 1988-07-14 Fuji Electric Co Ltd LIGHT INTENSITY MEASURING DEVICE

Also Published As

Publication number Publication date
FR2637392A1 (en) 1990-04-06
DE3833208C2 (en) 1997-03-13
GB2224570A (en) 1990-05-09
GB2224570B (en) 1993-03-31
US5066121A (en) 1991-11-19
JP2753344B2 (en) 1998-05-20
CH684864B5 (en) 1995-07-31
DE3833208A1 (en) 1990-04-05
FR2637392B1 (en) 1994-06-03
GB8920959D0 (en) 1989-11-01
JPH02143127A (en) 1990-06-01

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Legal Events

Date Code Title Description
PL Patent ceased