DE2442795A1 - Automatische fokussierungsvorrichtung - Google Patents

Automatische fokussierungsvorrichtung

Info

Publication number
DE2442795A1
DE2442795A1 DE19742442795 DE2442795A DE2442795A1 DE 2442795 A1 DE2442795 A1 DE 2442795A1 DE 19742442795 DE19742442795 DE 19742442795 DE 2442795 A DE2442795 A DE 2442795A DE 2442795 A1 DE2442795 A1 DE 2442795A1
Authority
DE
Germany
Prior art keywords
image plane
light
beam splitter
light detectors
lens
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
DE19742442795
Other languages
German (de)
English (en)
Inventor
Lynn Granville Amos
Jeburton Henry Boone
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.)
Corning Glass Works
Original Assignee
Corning Glass Works
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 Corning Glass Works filed Critical Corning Glass Works
Publication of DE2442795A1 publication Critical patent/DE2442795A1/de
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D3/00—Control of position or direction
    • G05D3/12—Control of position or direction using feedback
    • G05D3/14—Control of position or direction using feedback using an analogue comparing device
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/10—Investigating individual particles
    • G01N15/14—Optical investigation techniques, e.g. flow cytometry
    • G01N15/1468—Optical investigation techniques, e.g. flow cytometry with spatial resolution of the texture or inner structure of the particle
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/10—Beam splitting or combining systems
    • G02B27/16—Beam splitting or combining systems used as aids for focusing

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pathology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Immunology (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Optics & Photonics (AREA)
  • Automatic Focus Adjustment (AREA)
  • Microscoopes, Condenser (AREA)
  • Focusing (AREA)
DE19742442795 1973-09-21 1974-09-06 Automatische fokussierungsvorrichtung Pending DE2442795A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US39961973A 1973-09-21 1973-09-21

Publications (1)

Publication Number Publication Date
DE2442795A1 true DE2442795A1 (de) 1975-04-03

Family

ID=23580256

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19742442795 Pending DE2442795A1 (de) 1973-09-21 1974-09-06 Automatische fokussierungsvorrichtung

Country Status (8)

Country Link
JP (1) JPS5060226A (enrdf_load_stackoverflow)
CA (1) CA1015186A (enrdf_load_stackoverflow)
DE (1) DE2442795A1 (enrdf_load_stackoverflow)
ES (1) ES425602A1 (enrdf_load_stackoverflow)
FR (1) FR2245023B1 (enrdf_load_stackoverflow)
GB (1) GB1476693A (enrdf_load_stackoverflow)
IT (1) IT1020438B (enrdf_load_stackoverflow)
SE (1) SE7411881L (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2818842A1 (de) * 1977-04-30 1978-11-09 Olympus Optical Co Vorrichtung zum automatischen erkennen von zellen
DE2948752A1 (de) * 1978-12-04 1980-06-19 Canon Kk Scharfeinstellungs-ermittlungssystem
DE3308191A1 (de) * 1982-03-08 1983-09-22 Tokyo Shibaura Denki K.K., Kawasaki, Kanagawa Automatische scharfstellvorrichtung

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS42196Y1 (enrdf_load_stackoverflow) * 1966-04-22 1967-01-09

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2818842A1 (de) * 1977-04-30 1978-11-09 Olympus Optical Co Vorrichtung zum automatischen erkennen von zellen
DE2948752A1 (de) * 1978-12-04 1980-06-19 Canon Kk Scharfeinstellungs-ermittlungssystem
DE3308191A1 (de) * 1982-03-08 1983-09-22 Tokyo Shibaura Denki K.K., Kawasaki, Kanagawa Automatische scharfstellvorrichtung

Also Published As

Publication number Publication date
IT1020438B (it) 1977-12-20
FR2245023A1 (enrdf_load_stackoverflow) 1975-04-18
ES425602A1 (es) 1976-06-16
SE7411881L (enrdf_load_stackoverflow) 1975-03-24
CA1015186A (en) 1977-08-09
FR2245023B1 (enrdf_load_stackoverflow) 1978-03-31
GB1476693A (en) 1977-06-16
JPS5060226A (enrdf_load_stackoverflow) 1975-05-24

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