JPS5723910A - Automatic focusing device - Google Patents

Automatic focusing device

Info

Publication number
JPS5723910A
JPS5723910A JP9758480A JP9758480A JPS5723910A JP S5723910 A JPS5723910 A JP S5723910A JP 9758480 A JP9758480 A JP 9758480A JP 9758480 A JP9758480 A JP 9758480A JP S5723910 A JPS5723910 A JP S5723910A
Authority
JP
Japan
Prior art keywords
signal
gate
inputted
motor
signals
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
JP9758480A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0232605B2 (OSRAM
Inventor
Ryuzo Mototsugu
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.)
Nikon Corp
Nippon Chemical Industrial Co Ltd
Original Assignee
Nippon Chemical Industrial Co Ltd
Nippon Kogaku KK
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 Nippon Chemical Industrial Co Ltd, Nippon Kogaku KK filed Critical Nippon Chemical Industrial Co Ltd
Priority to JP9758480A priority Critical patent/JPS5723910A/ja
Publication of JPS5723910A publication Critical patent/JPS5723910A/ja
Publication of JPH0232605B2 publication Critical patent/JPH0232605B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/28—Systems for automatic generation of focusing signals
    • G02B7/36—Systems for automatic generation of focusing signals using image sharpness techniques, e.g. image processing techniques for generating autofocus signals

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Focusing (AREA)
  • Lens Barrels (AREA)
  • Automatic Focus Adjustment (AREA)
JP9758480A 1980-07-18 1980-07-18 Automatic focusing device Granted JPS5723910A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9758480A JPS5723910A (en) 1980-07-18 1980-07-18 Automatic focusing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9758480A JPS5723910A (en) 1980-07-18 1980-07-18 Automatic focusing device

Publications (2)

Publication Number Publication Date
JPS5723910A true JPS5723910A (en) 1982-02-08
JPH0232605B2 JPH0232605B2 (OSRAM) 1990-07-23

Family

ID=14196281

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9758480A Granted JPS5723910A (en) 1980-07-18 1980-07-18 Automatic focusing device

Country Status (1)

Country Link
JP (1) JPS5723910A (OSRAM)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5949522A (ja) * 1982-09-14 1984-03-22 Nippon Kogaku Kk <Nikon> カメラシステム
JPS59159115A (ja) * 1983-03-01 1984-09-08 Nippon Kogaku Kk <Nikon> 自動合焦装置
JPS59224806A (ja) * 1983-06-06 1984-12-17 Hitachi Denshi Ltd 合焦制御装置
JPH0772374A (ja) * 1994-01-26 1995-03-17 Nikon Corp 撮影レンズの位置制御装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4990529A (OSRAM) * 1972-12-27 1974-08-29
JPS50158327A (OSRAM) * 1974-06-10 1975-12-22
JPS5484940U (OSRAM) * 1977-11-29 1979-06-15
JPS54119232A (en) * 1978-02-23 1979-09-17 Asahi Optical Co Ltd Automatic focusing controller

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4990529A (OSRAM) * 1972-12-27 1974-08-29
JPS50158327A (OSRAM) * 1974-06-10 1975-12-22
JPS5484940U (OSRAM) * 1977-11-29 1979-06-15
JPS54119232A (en) * 1978-02-23 1979-09-17 Asahi Optical Co Ltd Automatic focusing controller

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5949522A (ja) * 1982-09-14 1984-03-22 Nippon Kogaku Kk <Nikon> カメラシステム
JPS59159115A (ja) * 1983-03-01 1984-09-08 Nippon Kogaku Kk <Nikon> 自動合焦装置
JPS59224806A (ja) * 1983-06-06 1984-12-17 Hitachi Denshi Ltd 合焦制御装置
JPH0772374A (ja) * 1994-01-26 1995-03-17 Nikon Corp 撮影レンズの位置制御装置

Also Published As

Publication number Publication date
JPH0232605B2 (OSRAM) 1990-07-23

Similar Documents

Publication Publication Date Title
FR2469822B3 (OSRAM)
JPS5723910A (en) Automatic focusing device
GB1219353A (en) Improvements in electrical control systems
JPS5612791A (en) Laser driving control system
JPS5568895A (en) Servomotor positioning apparatus
JPS55103602A (en) Movement quantity change system of numeric control unit
JPS56106162A (en) Pulse detector
JPS55164330A (en) Signal deciding circuit in instrumentation control unit
JPS56138210A (en) Angle control device
JPS54162417A (en) Low voltage detector circuit
JPS5394911A (en) Magnetic recorder-reproducer
JPS5754431A (en) Test system
JPS5248922A (en) Variable phase control circuit
JPS55125082A (en) Controlling method for three-phase current pulse width controlling inverter
JPS52141163A (en) Sample hold circuit
JPS5778369A (en) Voltage type inverter
GB1238249A (OSRAM)
JPS5297612A (en) Data transmission system
JPS53123826A (en) Motor speed controlling device
JPS5445722A (en) Fault detector for synchronous machine exciter
JPS57188140A (en) Reference signal generating circuit
JPS5574391A (en) Output monitor-control device for induction motor
JPS5385329A (en) Voltage detector
JPS5694403A (en) Interface unit for sequence control
JPS5248326A (en) Automatic regulating system for concentration of developing agent