JPS58149026A - 電磁駆動プログラムシヤツタ−の制御回路 - Google Patents

電磁駆動プログラムシヤツタ−の制御回路

Info

Publication number
JPS58149026A
JPS58149026A JP57032097A JP3209782A JPS58149026A JP S58149026 A JPS58149026 A JP S58149026A JP 57032097 A JP57032097 A JP 57032097A JP 3209782 A JP3209782 A JP 3209782A JP S58149026 A JPS58149026 A JP S58149026A
Authority
JP
Japan
Prior art keywords
voltage
shutter
circuit
output
shutter blade
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.)
Granted
Application number
JP57032097A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0514253B2 (enrdf_load_stackoverflow
Inventor
Yukio Yoshikawa
幸雄 吉川
Tomio Kurosu
富男 黒須
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.)
Nidec Precision Corp
Original Assignee
Nidec Copal 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 Nidec Copal Corp filed Critical Nidec Copal Corp
Priority to JP57032097A priority Critical patent/JPS58149026A/ja
Priority to US06/469,508 priority patent/US4462672A/en
Publication of JPS58149026A publication Critical patent/JPS58149026A/ja
Publication of JPH0514253B2 publication Critical patent/JPH0514253B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
    • G03B7/08—Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device
    • G03B7/081—Analogue circuits
    • G03B7/083—Analogue circuits for control of exposure time

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Exposure Control For Cameras (AREA)
  • Shutters For Cameras (AREA)
JP57032097A 1982-03-01 1982-03-01 電磁駆動プログラムシヤツタ−の制御回路 Granted JPS58149026A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP57032097A JPS58149026A (ja) 1982-03-01 1982-03-01 電磁駆動プログラムシヤツタ−の制御回路
US06/469,508 US4462672A (en) 1982-03-01 1983-02-24 Control circuit for an electromagnetically driven programming shutter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57032097A JPS58149026A (ja) 1982-03-01 1982-03-01 電磁駆動プログラムシヤツタ−の制御回路

Publications (2)

Publication Number Publication Date
JPS58149026A true JPS58149026A (ja) 1983-09-05
JPH0514253B2 JPH0514253B2 (enrdf_load_stackoverflow) 1993-02-24

Family

ID=12349385

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57032097A Granted JPS58149026A (ja) 1982-03-01 1982-03-01 電磁駆動プログラムシヤツタ−の制御回路

Country Status (1)

Country Link
JP (1) JPS58149026A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003043554A (ja) * 2001-07-27 2003-02-13 Sanyo Electric Co Ltd デジタルカメラのシャッター駆動回路

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4840090A (enrdf_load_stackoverflow) * 1971-09-23 1973-06-12
JPS5011432A (enrdf_load_stackoverflow) * 1973-05-22 1975-02-05
JPS54158628U (enrdf_load_stackoverflow) * 1978-04-27 1979-11-06
JPS54164124A (en) * 1978-06-16 1979-12-27 Canon Kk Electromagnetic drive shutter drive circuit
JPS55164817A (en) * 1979-06-06 1980-12-22 Agfa Gevaert Ag Photographic camera equipped with electronic shutter
JPS56130728A (en) * 1980-03-18 1981-10-13 Copal Co Ltd Shutter release controlling circuit of single-lens reflex camera

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4840090A (enrdf_load_stackoverflow) * 1971-09-23 1973-06-12
JPS5011432A (enrdf_load_stackoverflow) * 1973-05-22 1975-02-05
JPS54158628U (enrdf_load_stackoverflow) * 1978-04-27 1979-11-06
JPS54164124A (en) * 1978-06-16 1979-12-27 Canon Kk Electromagnetic drive shutter drive circuit
JPS55164817A (en) * 1979-06-06 1980-12-22 Agfa Gevaert Ag Photographic camera equipped with electronic shutter
JPS56130728A (en) * 1980-03-18 1981-10-13 Copal Co Ltd Shutter release controlling circuit of single-lens reflex camera

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003043554A (ja) * 2001-07-27 2003-02-13 Sanyo Electric Co Ltd デジタルカメラのシャッター駆動回路

Also Published As

Publication number Publication date
JPH0514253B2 (enrdf_load_stackoverflow) 1993-02-24

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