JPS55126205A - Automatic focus adjusting device in optical device - Google Patents

Automatic focus adjusting device in optical device

Info

Publication number
JPS55126205A
JPS55126205A JP3323479A JP3323479A JPS55126205A JP S55126205 A JPS55126205 A JP S55126205A JP 3323479 A JP3323479 A JP 3323479A JP 3323479 A JP3323479 A JP 3323479A JP S55126205 A JPS55126205 A JP S55126205A
Authority
JP
Japan
Prior art keywords
lens
focus
image
optical system
line sensor
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
JP3323479A
Other languages
Japanese (ja)
Inventor
Masaru Shimada
Seisuke Yamanaka
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Priority to JP3323479A priority Critical patent/JPS55126205A/en
Publication of JPS55126205A publication Critical patent/JPS55126205A/en
Pending legal-status Critical Current

Links

Landscapes

  • Focusing (AREA)
  • Automatic Focus Adjustment (AREA)

Abstract

PURPOSE: To prevent generation of noise in the device and miniaturize the device, by obtaining the focus information of the object image by purely electric processing, and operating the focus adjusting mechanism.
CONSTITUTION: A main optical system lens 3 and a sub-optical system lens 4 are integrally moved by a focus adjusting mechanism 9. A lenticular lens 8 in an auxiliary optical system has a convex lens part 5 which correspond to a first line sensor 16 of a photoelectric converting part 5, a non-lens part 6 which corresponds to a second line sensor 17, and a concave lens part 7 which corresponds to a third line sensor 18, so that the images are imaged in each position of focal positions P3, P2, P4. The photoelectric converting part 15 photoelectrically converts the image by the sub-optical ststem to obtain a video signal, and outputs a signal of frequency components of which frequency band varies with the focus state of the image. Receiving this output signal, a detecting circuit 20 outputs a signal from a drive control circuit 32, and controls a motor 13 of the focus driving mechanism 9 until the image pick-up lens 3 and detecting lens 4 are caused to coincide in the focus.
COPYRIGHT: (C)1980,JPO&Japio
JP3323479A 1979-03-23 1979-03-23 Automatic focus adjusting device in optical device Pending JPS55126205A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3323479A JPS55126205A (en) 1979-03-23 1979-03-23 Automatic focus adjusting device in optical device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3323479A JPS55126205A (en) 1979-03-23 1979-03-23 Automatic focus adjusting device in optical device

Publications (1)

Publication Number Publication Date
JPS55126205A true JPS55126205A (en) 1980-09-29

Family

ID=12380756

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3323479A Pending JPS55126205A (en) 1979-03-23 1979-03-23 Automatic focus adjusting device in optical device

Country Status (1)

Country Link
JP (1) JPS55126205A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001215406A (en) * 2000-02-02 2001-08-10 Olympus Optical Co Ltd Imaging device and automatic focusing device
JP2006119290A (en) * 2004-10-20 2006-05-11 Agilent Technol Inc Autofocusing detection system and auxiliary module used therefor

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001215406A (en) * 2000-02-02 2001-08-10 Olympus Optical Co Ltd Imaging device and automatic focusing device
JP2006119290A (en) * 2004-10-20 2006-05-11 Agilent Technol Inc Autofocusing detection system and auxiliary module used therefor
JP4534197B2 (en) * 2004-10-20 2010-09-01 マイクロン テクノロジー， インク． Autofocus system, autofocus module, and autofocus mechanism

Similar Documents

Publication Publication Date Title
US4203031A (en) Automatic focussing apparatus for microscope
SE8802523D0 (en) DEVICE FOR CAMERAS
JPS55163950A (en) Automatic aperture control method of solid-state pickup unit
JP2833169B2 (en) Imaging device
JPH07250341A (en) White balance adjustment device for electronic camera
EP1128666A3 (en) Object monitoring apparatus
KR920008531A (en) Electronic still camera
US4831450A (en) Still camera system usable for both film and electrophotography
JPS55126205A (en) Automatic focus adjusting device in optical device
JPS57183186A (en) Focusing point detector
EP0280256A3 (en) Focus detection apparatus for camera
EP0352778A3 (en) Automatic focus adjusting device in camera system
DE3473980D1 (en) Electronic photographing apparatus
EP0398368A3 (en) Focus apparatus and digital filters for use therewith
CA2048867A1 (en) Stereoscopic video pickup device
JPH0467836B2 (en)
KR200198119Y1 (en) Ccd camera
KR960001930B1 (en) Auto focus controlling circuit of a video camera
JPS5713849A (en) Automatic correction system for optical position of solid image pickup element
JP3571853B2 (en) Focus adjustment device
JP3232566B2 (en) Automatic focusing device
JPS6337363B2 (en)
JP3490747B2 (en) Automatic focusing device for still video camera
JPS55126204A (en) Automatic focus adjusting device in optical device
JPH0332172A (en) Focusing device for solid-state image pickup camera