JPS5576311A - Focus position detecting system of image - Google Patents

Focus position detecting system of image

Info

Publication number
JPS5576311A
JPS5576311A JP15037878A JP15037878A JPS5576311A JP S5576311 A JPS5576311 A JP S5576311A JP 15037878 A JP15037878 A JP 15037878A JP 15037878 A JP15037878 A JP 15037878A JP S5576311 A JPS5576311 A JP S5576311A
Authority
JP
Japan
Prior art keywords
focus
photoelectric
image
signals
high frequency
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
JP15037878A
Other languages
English (en)
Inventor
Takao Kinoshita
Mitsuya Hosoe
Tokuichi Tsunekawa
Toshio Sakane
Takashi Kawabata
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.)
Canon Inc
Original Assignee
Canon 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 Canon Inc filed Critical Canon Inc
Priority to JP15037878A priority Critical patent/JPS5576311A/ja
Priority to US06/059,635 priority patent/US4470676A/en
Priority to FR7919469A priority patent/FR2435055B1/fr
Priority to DE19792930636 priority patent/DE2930636A1/de
Priority to GB7926516A priority patent/GB2030022B/en
Publication of JPS5576311A publication Critical patent/JPS5576311A/ja
Priority to US06/727,194 priority patent/US4560864A/en
Pending legal-status Critical Current

Links

Landscapes

  • Transforming Light Signals Into Electric Signals (AREA)
  • Focusing (AREA)
  • Automatic Focus Adjustment (AREA)
  • Solid State Image Pick-Up Elements (AREA)
JP15037878A 1978-07-28 1978-12-04 Focus position detecting system of image Pending JPS5576311A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP15037878A JPS5576311A (en) 1978-12-04 1978-12-04 Focus position detecting system of image
US06/059,635 US4470676A (en) 1978-07-28 1979-07-23 Focus detecting device
FR7919469A FR2435055B1 (fr) 1978-07-28 1979-07-27 Dispositif de detection de foyer
DE19792930636 DE2930636A1 (de) 1978-07-28 1979-07-27 Vorrichtung zur scharfeinstellungs- ermittlung
GB7926516A GB2030022B (en) 1978-07-28 1979-07-30 Focus detecting device
US06/727,194 US4560864A (en) 1978-07-28 1985-04-29 Focus detecting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15037878A JPS5576311A (en) 1978-12-04 1978-12-04 Focus position detecting system of image

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP60272801A Division JPS6242677A (ja) 1985-12-04 1985-12-04 固体撮像装置

Publications (1)

Publication Number Publication Date
JPS5576311A true JPS5576311A (en) 1980-06-09

Family

ID=15495677

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15037878A Pending JPS5576311A (en) 1978-07-28 1978-12-04 Focus position detecting system of image

Country Status (1)

Country Link
JP (1) JPS5576311A (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH021696A (ja) * 1988-10-27 1990-01-05 Minolta Camera Co Ltd 電荷蓄積型の光電変換装置
JPH0635689U (ja) * 1992-10-16 1994-05-13 住友エール株式会社 ブレーキライニング摩耗量検知装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52110031A (en) * 1976-03-12 1977-09-14 Canon Inc Detector for focusing
JPS5350851A (en) * 1976-10-20 1978-05-09 Hitachi Ltd Automatic focus control apparatus of microscope

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52110031A (en) * 1976-03-12 1977-09-14 Canon Inc Detector for focusing
JPS5350851A (en) * 1976-10-20 1978-05-09 Hitachi Ltd Automatic focus control apparatus of microscope

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH021696A (ja) * 1988-10-27 1990-01-05 Minolta Camera Co Ltd 電荷蓄積型の光電変換装置
JPH0635689U (ja) * 1992-10-16 1994-05-13 住友エール株式会社 ブレーキライニング摩耗量検知装置

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