JPS5843724B2 - シャッタ時間の中間値補正を絞りで行なう電気シャッタ - Google Patents

シャッタ時間の中間値補正を絞りで行なう電気シャッタ

Info

Publication number
JPS5843724B2
JPS5843724B2 JP49062131A JP6213174A JPS5843724B2 JP S5843724 B2 JPS5843724 B2 JP S5843724B2 JP 49062131 A JP49062131 A JP 49062131A JP 6213174 A JP6213174 A JP 6213174A JP S5843724 B2 JPS5843724 B2 JP S5843724B2
Authority
JP
Japan
Prior art keywords
pulse
circuit
shutter
pulses
photoresponse
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
Application number
JP49062131A
Other languages
English (en)
Japanese (ja)
Other versions
JPS50153932A (enrdf_load_stackoverflow
Inventor
九十九 信沢
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.)
Pentax Corp
Original Assignee
Asahi Kogaku Kogyo Co Ltd
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 Asahi Kogaku Kogyo Co Ltd filed Critical Asahi Kogaku Kogyo Co Ltd
Priority to JP49062131A priority Critical patent/JPS5843724B2/ja
Priority to US05/580,698 priority patent/US4006484A/en
Priority to DE2523871A priority patent/DE2523871C3/de
Priority to GB2381975A priority patent/GB1507391A/en
Publication of JPS50153932A publication Critical patent/JPS50153932A/ja
Publication of JPS5843724B2 publication Critical patent/JPS5843724B2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Shutter-Related Mechanisms (AREA)
  • Exposure Control For Cameras (AREA)
JP49062131A 1974-05-31 1974-05-31 シャッタ時間の中間値補正を絞りで行なう電気シャッタ Expired JPS5843724B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP49062131A JPS5843724B2 (ja) 1974-05-31 1974-05-31 シャッタ時間の中間値補正を絞りで行なう電気シャッタ
US05/580,698 US4006484A (en) 1974-05-31 1975-05-27 Camera systems for providing precise exposures with digital light measurement
DE2523871A DE2523871C3 (de) 1974-05-31 1975-05-30 Schaltungsanordnung zur automatischen Steuerung der Filmbelichtung in photographischen Geräten, insbesondere in einäugigen Spiegelreflexkameras
GB2381975A GB1507391A (en) 1974-05-31 1975-06-02 Cameras

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP49062131A JPS5843724B2 (ja) 1974-05-31 1974-05-31 シャッタ時間の中間値補正を絞りで行なう電気シャッタ

Publications (2)

Publication Number Publication Date
JPS50153932A JPS50153932A (enrdf_load_stackoverflow) 1975-12-11
JPS5843724B2 true JPS5843724B2 (ja) 1983-09-28

Family

ID=13191203

Family Applications (1)

Application Number Title Priority Date Filing Date
JP49062131A Expired JPS5843724B2 (ja) 1974-05-31 1974-05-31 シャッタ時間の中間値補正を絞りで行なう電気シャッタ

Country Status (1)

Country Link
JP (1) JPS5843724B2 (enrdf_load_stackoverflow)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4923779B1 (enrdf_load_stackoverflow) * 1970-07-03 1974-06-18
JPS5529407B2 (enrdf_load_stackoverflow) * 1972-06-06 1980-08-04
JPS5758647B2 (enrdf_load_stackoverflow) * 1972-08-09 1982-12-10 Seiko Koki Kk

Also Published As

Publication number Publication date
JPS50153932A (enrdf_load_stackoverflow) 1975-12-11

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