CA948908A - Automatic focusing projecting apparatus - Google Patents

Automatic focusing projecting apparatus

Info

Publication number
CA948908A
CA948908A CA088,666A CA88666A CA948908A CA 948908 A CA948908 A CA 948908A CA 88666 A CA88666 A CA 88666A CA 948908 A CA948908 A CA 948908A
Authority
CA
Canada
Prior art keywords
projecting apparatus
automatic focusing
focusing projecting
automatic
projecting
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.)
Expired
Application number
CA088,666A
Inventor
Oleg Szymber
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.)
GAF Corp
Original Assignee
GAF 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 GAF Corp filed Critical GAF Corp
Application granted granted Critical
Publication of CA948908A publication Critical patent/CA948908A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/53—Means for automatic focusing, e.g. to compensate thermal effects

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Focusing (AREA)
  • Automatic Focus Adjustment (AREA)
  • Projection Apparatus (AREA)
  • Transforming Electric Information Into Light Information (AREA)
CA088,666A 1969-07-22 1970-07-21 Automatic focusing projecting apparatus Expired CA948908A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US84331169A 1969-07-22 1969-07-22
US3795070A 1970-05-18 1970-05-18

Publications (1)

Publication Number Publication Date
CA948908A true CA948908A (en) 1974-06-11

Family

ID=26714651

Family Applications (1)

Application Number Title Priority Date Filing Date
CA088,666A Expired CA948908A (en) 1969-07-22 1970-07-21 Automatic focusing projecting apparatus

Country Status (11)

Country Link
JP (1) JPS5012304B1 (en)
AT (1) AT312324B (en)
BE (1) BE753741A (en)
CA (1) CA948908A (en)
CH (1) CH516172A (en)
DE (2) DE2036119C3 (en)
FR (1) FR2053071B1 (en)
GB (1) GB1285870A (en)
IL (1) IL34951A (en)
NL (1) NL7010832A (en)
SE (1) SE360747B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2518767A1 (en) * 1981-12-17 1983-06-24 Centre Nat Etd Spatiales METHOD FOR AUTOMATICALLY ADJUSTING THE SHARPNESS OF IMAGES PROJECTED ON A SCREEN AND DEVICES FOR CARRYING OUT SAID METHOD
DE3325042A1 (en) * 1983-07-12 1984-02-23 Kodak Ag, 7000 Stuttgart SELF FOCUSING DEVICE
JPS6351681A (en) * 1986-08-20 1988-03-04 Agency Of Ind Science & Technol Semiconductor device
DE4116803A1 (en) * 1991-05-23 1992-12-10 Agfa Gevaert Ag DEVICE FOR THE UNIFORM ILLUMINATION OF A PROJECTION SURFACE
US6835921B2 (en) 2000-11-15 2004-12-28 Agfa Corporation Focusing system for use in imaging systems
EP1408360A3 (en) * 2002-10-11 2004-07-28 Agfa Corporation Focusing system and method for use in imaging systems

Also Published As

Publication number Publication date
DE2036119C3 (en) 1974-03-28
CH516172A (en) 1971-11-30
AT312324B (en) 1973-12-27
DE7027406U (en) 1970-12-03
JPS5012304B1 (en) 1975-05-10
DE2036119B2 (en) 1973-08-23
NL7010832A (en) 1971-01-26
FR2053071B1 (en) 1977-11-04
FR2053071A1 (en) 1971-04-16
GB1285870A (en) 1972-08-16
IL34951A (en) 1973-02-28
IL34951A0 (en) 1970-09-17
DE2036119A1 (en) 1971-02-04
SE360747B (en) 1973-10-01
BE753741A (en) 1970-12-31

Similar Documents

Publication Publication Date Title
AU1279070A (en) Automatic broiling apparatus
CA923546A (en) Automatic developability control apparatus
CA948908A (en) Automatic focusing projecting apparatus
CA936730A (en) Photographic apparatus
CA820026A (en) Automatic focusing apparatus
CA776407A (en) Automatic focusing apparatus
CA822422A (en) Automatic focusing for cameras
AU458124B2 (en) Automatic focusing means for projection devices
CA928552A (en) Photographic apparatus
CA946665A (en) Photographic apparatus
CA806932A (en) Automatic xerographic apparatus
CA827788A (en) Automatic titration apparatus
AU1777270A (en) Automatic focusing means for projection devices
CA825332A (en) Automatic control apparatus
CA823832A (en) Focus control apparatus
CA804675A (en) Automatic dialing apparatus
CA804676A (en) Automatic dialing apparatus
CA824862A (en) Automatic tool changing apparatus
CA822457A (en) Automatic venting apparatus
CA935046A (en) Automatic sewing apparatus
AU443970B2 (en) Automatic transmission apparatus
CA817159A (en) Automatic feeding apparatus
CA818849A (en) Camera apparatus
CA808934A (en) Camera apparatus
CA808938A (en) Camera apparatus