ATA468475A - Automatische scharfeinstellvorrichtung - Google Patents

Automatische scharfeinstellvorrichtung

Info

Publication number
ATA468475A
ATA468475A AT468475A AT468475A ATA468475A AT A468475 A ATA468475 A AT A468475A AT 468475 A AT468475 A AT 468475A AT 468475 A AT468475 A AT 468475A AT A468475 A ATA468475 A AT A468475A
Authority
AT
Austria
Prior art keywords
automatic focusing
focusing device
automatic
focusing
Prior art date
Application number
AT468475A
Other languages
English (en)
Original Assignee
Bell & Howell Co
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 Bell & Howell Co filed Critical Bell & Howell Co
Publication of ATA468475A publication Critical patent/ATA468475A/de

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/06—Systems determining position data of a target
    • G01S17/46—Indirect determination of position data
    • 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
    • G02B7/30—Systems for automatic generation of focusing signals using parallactic triangle with a base line
    • G02B7/32—Systems for automatic generation of focusing signals using parallactic triangle with a base line using active means, e.g. light emitter
AT468475A 1974-12-26 1975-06-18 Automatische scharfeinstellvorrichtung ATA468475A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/536,666 US4032934A (en) 1974-12-26 1974-12-26 Automatic focusing system

Publications (1)

Publication Number Publication Date
ATA468475A true ATA468475A (de) 1978-03-15

Family

ID=24139422

Family Applications (1)

Application Number Title Priority Date Filing Date
AT468475A ATA468475A (de) 1974-12-26 1975-06-18 Automatische scharfeinstellvorrichtung

Country Status (2)

Country Link
US (1) US4032934A (de)
AT (1) ATA468475A (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4313654A (en) * 1977-09-06 1982-02-02 Minolta Camera Kabushiki Kaisha Automatic rangefinder system for photographic camera with light emitting and receiving means
JPS54140532A (en) * 1978-04-23 1979-10-31 Canon Inc Automatic focus adjustor
US4238154A (en) * 1979-08-09 1980-12-09 Polaroid Corporation Camera having too close/too far indication
JPS5652711A (en) * 1979-10-08 1981-05-12 Canon Inc Automatic focus detector of base line rangefinder system
US4351590A (en) * 1979-10-16 1982-09-28 Canon Kabushiki Kaisha Motion picture camera with automatic focusing device
JPS56120908A (en) * 1980-02-29 1981-09-22 Fuji Photo Optical Co Ltd Distance detecting device for endoscope
US4479706A (en) * 1980-09-09 1984-10-30 Ricoh Company, Ltd. Distance measuring circuit
US4357083A (en) * 1980-10-06 1982-11-02 Polaroid Corporation Method and apparatus using weighted range signal for controlling photographic functions
JPS5810725A (ja) * 1981-07-14 1983-01-21 Nippon Kogaku Kk <Nikon> 自動合焦カメラ用撮影レンズ構体
US4693582A (en) * 1982-02-02 1987-09-15 Canon Kabushiki Kaisha Auxiliary light source for camera having automatic focusing device
DE3310601C2 (de) * 1982-03-24 1994-02-10 Canon Kk Entfernungsmeßvorrichtung
DE3380277D1 (en) * 1982-04-08 1989-08-31 Olympus Optical Co Endoscope focus state detectors
US4502773A (en) * 1983-01-31 1985-03-05 Polaroid Corporation Two zone infrared ranging system
US4561748A (en) * 1983-05-20 1985-12-31 Minolta Camera Kabushiki Kaisha Focus detection device
US4862273A (en) * 1983-11-08 1989-08-29 Minolta Camera Kabushiki Kaisha Focus condition detecting device for use in a camera
US4660955A (en) * 1983-11-08 1987-04-28 Minolta Camera Kabushiki Kaisha Focus condition detecting device for use in a camera
JPS62215913A (ja) * 1986-03-18 1987-09-22 Nippon Kogaku Kk <Nikon> 自動焦点検出回路
US4707094A (en) * 1986-03-21 1987-11-17 Harbor Branch Oceanographic Institution Inc. Apparatus and method of submarine optical recording
US4843415A (en) * 1986-09-22 1989-06-27 Minolta Camera Kabushiki Kaisha Automatic focus detection system
US5076686A (en) * 1990-01-17 1991-12-31 Preston Howard J Automatic focusing system for use with a motion picture camera
WO1993007531A1 (en) * 1991-10-09 1993-04-15 James Bovy Lakey Optical focusing system
US6774945B1 (en) * 1999-10-18 2004-08-10 Hewlett-Packard Development Company, L.P. Focusing apparatus for image recording system
US8676050B2 (en) 2010-12-29 2014-03-18 Gary S. Shuster Autofocus calibration for long lenses

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3435744A (en) * 1966-05-31 1969-04-01 Eastman Kodak Co Automatic focusing system
CH482217A (fr) * 1968-09-26 1969-11-30 Paillard Sa Télémètre à faisceau lumineux
US3639048A (en) * 1970-07-23 1972-02-01 Eastman Kodak Co Automatic ranging and focusing projector
US3820129A (en) * 1971-06-01 1974-06-25 Canon Kk Focusing device for optical instruments
JPS5443374B2 (de) * 1972-03-29 1979-12-19
US3815994A (en) * 1972-03-31 1974-06-11 Kaman Sciences Corp System and method for measuring distance
JPS4958826A (de) * 1972-10-04 1974-06-07

Also Published As

Publication number Publication date
US4032934A (en) 1977-06-28

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