FR1364341A - Optical projector device - Google Patents

Optical projector device

Info

Publication number
FR1364341A
FR1364341A FR941960A FR941960A FR1364341A FR 1364341 A FR1364341 A FR 1364341A FR 941960 A FR941960 A FR 941960A FR 941960 A FR941960 A FR 941960A FR 1364341 A FR1364341 A FR 1364341A
Authority
FR
France
Prior art keywords
projector device
optical projector
optical
projector
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
FR941960A
Other languages
French (fr)
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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing 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 Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Priority to FR941960A priority Critical patent/FR1364341A/en
Application granted granted Critical
Publication of FR1364341A publication Critical patent/FR1364341A/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
    • G03B21/132—Overhead projectors, i.e. capable of projecting hand-writing or drawing during action

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR941960A 1963-07-19 1963-07-19 Optical projector device Expired FR1364341A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR941960A FR1364341A (en) 1963-07-19 1963-07-19 Optical projector device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR941960A FR1364341A (en) 1963-07-19 1963-07-19 Optical projector device

Publications (1)

Publication Number Publication Date
FR1364341A true FR1364341A (en) 1964-06-19

Family

ID=8808668

Family Applications (1)

Application Number Title Priority Date Filing Date
FR941960A Expired FR1364341A (en) 1963-07-19 1963-07-19 Optical projector device

Country Status (1)

Country Link
FR (1) FR1364341A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3424525A (en) * 1965-11-04 1969-01-28 Xerox Corp Microfilm copier attachment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3424525A (en) * 1965-11-04 1969-01-28 Xerox Corp Microfilm copier attachment

Similar Documents

Publication Publication Date Title
CH502604A (en) Projector optical device
FR1498508A (en) Optical device
FR1308923A (en) Optical projection device
FR1398509A (en) Multiple reflection optical device
FR1385210A (en) Photosensitive device
CH437414A (en) Optical projection system
CH422369A (en) Optical device
GB1043103A (en) Photographic light measuring device
CH423990A (en) Optical scanning device
FR1362272A (en) Optical projection device
FR1459657A (en) Advanced anti-glare optical device
CH438778A (en) Optical lens
FR1364341A (en) Optical projector device
FR1398630A (en) Optical maser device
CH413149A (en) Laser device
AT267328B (en) Cinematographic projection device
FR1526715A (en) Slit device for optical device
FR1362374A (en) Optical device
FR1374881A (en) Lens molding device
FR1440202A (en) Semiconductor device generating optical radiation
FR1365421A (en) Portable cinematographic projection device
FR1355366A (en) Optical scanning device
FR1401662A (en) Optical laser device
FR1383744A (en) New optical correlation device
FR1301972A (en) Optical device