FR1003871A - Perfectionnements aux appareils de lecture pour microfilms - Google Patents

Perfectionnements aux appareils de lecture pour microfilms

Info

Publication number
FR1003871A
FR1003871A FR1003871DA FR1003871A FR 1003871 A FR1003871 A FR 1003871A FR 1003871D A FR1003871D A FR 1003871DA FR 1003871 A FR1003871 A FR 1003871A
Authority
FR
France
Prior art keywords
microfilms
reading devices
reading
devices
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
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.)
Microfilms S R S
Original Assignee
Microfilms S R S
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 Microfilms S R S filed Critical Microfilms S R S
Application granted granted Critical
Publication of FR1003871A publication Critical patent/FR1003871A/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)
FR1003871D 1947-03-08 1947-03-08 Perfectionnements aux appareils de lecture pour microfilms Expired FR1003871A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1003871T 1947-03-08

Publications (1)

Publication Number Publication Date
FR1003871A true FR1003871A (fr) 1952-03-24

Family

ID=9563419

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1003871D Expired FR1003871A (fr) 1947-03-08 1947-03-08 Perfectionnements aux appareils de lecture pour microfilms

Country Status (1)

Country Link
FR (1) FR1003871A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4022526A (en) * 1975-01-09 1977-05-10 Bell & Howell Company Portable film strip projector
FR2544511A1 (fr) * 1983-05-06 1984-10-19 Minox Gmbh Dispositif de lecture pour microfilms plans, realise sous forme aplatie

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4022526A (en) * 1975-01-09 1977-05-10 Bell & Howell Company Portable film strip projector
FR2544511A1 (fr) * 1983-05-06 1984-10-19 Minox Gmbh Dispositif de lecture pour microfilms plans, realise sous forme aplatie

Similar Documents

Publication Publication Date Title
FR974801A (fr) Perfectionnements aux appareils distributeurs
FR1003871A (fr) Perfectionnements aux appareils de lecture pour microfilms
FR1001921A (fr) Perfectionnements aux appareils de lecture pour microfilms
FR940741A (fr) Perfectionnements aux appareils de dépoussièrage
FR940348A (fr) Perfectionnement aux appareils de projection
FR971156A (fr) Instrument pour écrire
FR936054A (fr) Perfectionnements aux appareils de lecture de microfilms
FR943577A (fr) Condensateur pour appareils de projection
FR973744A (fr) Perfectionnements aux appareils photographiques
FR952940A (fr) Perfectionnements aux appareils photographiques
FR953847A (fr) Perfectionnements aux appareils photographiques
FR949148A (fr) Perfectionnements aux appareils à dessiner
FR1036325A (fr) Perfectionnements aux appareils de photocopie
FR918794A (fr) Perfectionnements aux plateformes pour appareils de cinématographie
FR939679A (fr) Perfectionnements aux enceintes antidéflagrantes
FR1041998A (fr) Perfectionnements aux selles pour cycles
FR922827A (fr) Perfectionnements aux appareils cinématographiques
FR954059A (fr) Perfectionnements aux appareils photographiques
FR1033775A (fr) Perfectionnements aux appareils pour ondulations indéfrisables
FR69151E (fr) Perfectionnements aux appareils indicateurs
FR944566A (fr) Perfectionnements aux phonographes
FR951909A (fr) Perfectionnements aux appareils oscillateurs
FR929251A (fr) Perfectionnements aux appareils tourne-disques pour appareils phonographiques
FR1005401A (fr) Perfectionnements aux appareils téléphoniques
FR56804E (fr) Appareil de lecture pour microfilm