FR1364341A - Dispositif projecteur optique - Google Patents

Dispositif projecteur optique

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
English (en)
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/fr
Application granted granted Critical
Publication of FR1364341A publication Critical patent/FR1364341A/fr
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 Dispositif projecteur optique Expired FR1364341A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR941960A FR1364341A (fr) 1963-07-19 1963-07-19 Dispositif projecteur optique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR941960A FR1364341A (fr) 1963-07-19 1963-07-19 Dispositif projecteur optique

Publications (1)

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

Family

ID=8808668

Family Applications (1)

Application Number Title Priority Date Filing Date
FR941960A Expired FR1364341A (fr) 1963-07-19 1963-07-19 Dispositif projecteur optique

Country Status (1)

Country Link
FR (1) FR1364341A (fr)

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

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