DE1547188A1 - Belichtungsmesser - Google Patents

Belichtungsmesser

Info

Publication number
DE1547188A1
DE1547188A1 DE19661547188 DE1547188A DE1547188A1 DE 1547188 A1 DE1547188 A1 DE 1547188A1 DE 19661547188 DE19661547188 DE 19661547188 DE 1547188 A DE1547188 A DE 1547188A DE 1547188 A1 DE1547188 A1 DE 1547188A1
Authority
DE
Germany
Prior art keywords
light
measuring
exposure meter
capacitor
cell
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.)
Pending
Application number
DE19661547188
Other languages
German (de)
English (en)
Inventor
Weisglass Louis L
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.)
Berkey Photo Inc
Original Assignee
Berkey Photo 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 Berkey Photo Inc filed Critical Berkey Photo Inc
Publication of DE1547188A1 publication Critical patent/DE1547188A1/de
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S136/00—Batteries: thermoelectric and photoelectric
    • Y10S136/291—Applications

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
DE19661547188 1965-12-22 1966-12-14 Belichtungsmesser Pending DE1547188A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US51565265A 1965-12-22 1965-12-22

Publications (1)

Publication Number Publication Date
DE1547188A1 true DE1547188A1 (de) 1969-10-23

Family

ID=24052207

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19661547188 Pending DE1547188A1 (de) 1965-12-22 1966-12-14 Belichtungsmesser

Country Status (5)

Country Link
US (1) US3523739A (forum.php)
DE (1) DE1547188A1 (forum.php)
FR (1) FR1511166A (forum.php)
GB (1) GB1159580A (forum.php)
NL (1) NL6617842A (forum.php)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3687558A (en) * 1971-07-16 1972-08-29 Us Air Force Laser power-energy meter
JPS5648989B2 (forum.php) * 1973-10-15 1981-11-19
US4122396A (en) * 1974-08-01 1978-10-24 Grazier James A Stable solar power source for portable electrical devices
SE447934B (sv) * 1985-07-05 1986-12-22 Hagner Ab B Fotometrisk koppling
US5747798A (en) * 1996-07-19 1998-05-05 Hughey & Phillips, Inc. Photocell checker

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US585257A (en) * 1897-06-29 Electric meter
US685954A (en) * 1899-08-01 1901-11-05 Nikola Tesla Method of utilizing effects transmitted through natural media.
US2208027A (en) * 1936-12-17 1940-07-16 Zeiss Ikon Ag Photoelectric exposure meter
US2232373A (en) * 1938-08-08 1941-02-18 Lithographic Technical Foundat Integrating light meter apparatus
US2452614A (en) * 1944-02-14 1948-11-02 Roy J Teetsell Electrical test circuit
US2478966A (en) * 1948-03-29 1949-08-16 Weston Electrical Instr Corp Dual purpose voltmeter range attenuator
FR1036999A (fr) * 1951-05-11 1953-09-14 Saphymo Stel Dispositif de photométrie particulièrement applicable aux appareils photographiques
US3080790A (en) * 1958-03-17 1963-03-12 John D Morgan Color balance and exposure indicator
US3028499A (en) * 1959-11-02 1962-04-03 Gen Electric Expanded scale photoelectric device
US3351493A (en) * 1960-08-22 1967-11-07 Electro Optical Systems Inc Diffused radiation tracking transducer having a lateral photo voltage junction
US3076376A (en) * 1961-06-27 1963-02-05 Henry P Kalmus Electric measuring circuits
GB1054059A (forum.php) * 1962-11-14 1900-01-01
US3147680A (en) * 1963-05-07 1964-09-08 Eastman Kodak Co Photographic light measuring device
US3344703A (en) * 1963-10-04 1967-10-03 Richard D Milton Laser detector

Also Published As

Publication number Publication date
GB1159580A (en) 1969-07-30
NL6617842A (forum.php) 1967-06-23
US3523739A (en) 1970-08-11
FR1511166A (fr) 1968-01-26

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