FR2166632A5 - - Google Patents

Info

Publication number
FR2166632A5
FR2166632A5 FR7147791A FR7147791A FR2166632A5 FR 2166632 A5 FR2166632 A5 FR 2166632A5 FR 7147791 A FR7147791 A FR 7147791A FR 7147791 A FR7147791 A FR 7147791A FR 2166632 A5 FR2166632 A5 FR 2166632A5
Authority
FR
France
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
FR7147791A
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.)
MATERIEL COMPACT
Original Assignee
MATERIEL COMPACT
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 MATERIEL COMPACT filed Critical MATERIEL COMPACT
Priority to FR7147791A priority Critical patent/FR2166632A5/fr
Priority to JP47009139A priority patent/JPS4875024A/ja
Priority to US00222623A priority patent/US3811763A/en
Application granted granted Critical
Publication of FR2166632A5 publication Critical patent/FR2166632A5/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
    • G03B21/10—Projectors with built-in or built-on screen
    • G03B21/11—Projectors with built-in or built-on screen for microfilm reading

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection Apparatus (AREA)
FR7147791A 1971-12-31 1971-12-31 Expired FR2166632A5 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR7147791A FR2166632A5 (en) 1971-12-31 1971-12-31
JP47009139A JPS4875024A (en) 1971-12-31 1972-01-26
US00222623A US3811763A (en) 1971-12-31 1972-02-01 Apparatus for reading microdocuments

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7147791A FR2166632A5 (en) 1971-12-31 1971-12-31

Publications (1)

Publication Number Publication Date
FR2166632A5 true FR2166632A5 (en) 1973-08-17

Family

ID=9088485

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7147791A Expired FR2166632A5 (en) 1971-12-31 1971-12-31

Country Status (3)

Country Link
US (1) US3811763A (en)
JP (1) JPS4875024A (en)
FR (1) FR2166632A5 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2737254C3 (en) * 1977-08-18 1980-07-10 Minox Gmbh, 6300 Lahn-Giessen Microfilm viewer
US4339181A (en) * 1980-03-04 1982-07-13 Datagraphix, Inc. Lens arrangements for microfiche reader assembly and method
US4351592A (en) * 1980-03-04 1982-09-28 Datagraphix, Inc. Collapsible microfiche reader assembly especially suitable for use in a desk drawer
DE3034401C2 (en) * 1980-09-12 1983-07-07 Fa. Ed. Liesegang, 4000 Düsseldorf Device for operating the deflecting mirror of a collapsible projector

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1256522A (en) * 1915-07-15 1918-02-19 Alvyn L Croxton Reflecting apparatus.
US1248456A (en) * 1916-09-06 1917-12-04 Paul L Clark Projection-machine illumination.
US1457646A (en) * 1920-03-26 1923-06-05 Lyman A Wilson Water-cooled lamp
US1394896A (en) * 1921-01-17 1921-10-25 Jr Cromwell A B Halvorson Headlight-reflector
GB229572A (en) * 1924-07-30 1925-02-26 Bray Screen Products Inc Improvements in and relating to picture projectors
FR1084716A (en) * 1953-06-12 1955-01-24 New device for condensing light or other radiations in projection devices or other equipment
US3318184A (en) * 1964-11-02 1967-05-09 James G Jackson Light projection optical apparatus
US3413061A (en) * 1966-02-02 1968-11-26 Lewis E. Simpson Microfilm reader
US3479116A (en) * 1967-07-14 1969-11-18 Washington Scient Ind Inc Film viewer
US3667839A (en) * 1970-05-04 1972-06-06 Stromberg Datagraphix Inc Microfiche viewer

Also Published As

Publication number Publication date
US3811763A (en) 1974-05-21
JPS4875024A (en) 1973-10-09

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Legal Events

Date Code Title Description
ST Notification of lapse