FR997131A - Perfectionnement aux dispositifs de projection - Google Patents

Perfectionnement aux dispositifs de projection

Info

Publication number
FR997131A
FR997131A FR997131DA FR997131A FR 997131 A FR997131 A FR 997131A FR 997131D A FR997131D A FR 997131DA FR 997131 A FR997131 A FR 997131A
Authority
FR
France
Prior art keywords
improvement
projection devices
projection
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.)
FILMEX ANNONCE
Original Assignee
FILMEX ANNONCE
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 FILMEX ANNONCE filed Critical FILMEX ANNONCE
Application granted granted Critical
Publication of FR997131A publication Critical patent/FR997131A/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
    • G03B1/00—Film strip handling
    • G03B1/18—Moving film strip by means which act on the film between the ends thereof
    • G03B1/38—Moving film strip by means which act on the film between the ends thereof embodying Geneva motion, e.g. Maltese-cross gearing

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR997131D 1949-10-11 1949-10-11 Perfectionnement aux dispositifs de projection Expired FR997131A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR997131T 1949-10-11

Publications (1)

Publication Number Publication Date
FR997131A true FR997131A (fr) 1952-01-02

Family

ID=9558385

Family Applications (1)

Application Number Title Priority Date Filing Date
FR997131D Expired FR997131A (fr) 1949-10-11 1949-10-11 Perfectionnement aux dispositifs de projection

Country Status (1)

Country Link
FR (1) FR997131A (fr)

Similar Documents

Publication Publication Date Title
FR985030A (fr) Perfectionnements aux rasoirs
FR1013352A (fr) Perfectionnements aux dispositifs semi-conducteurs
FR993310A (fr) Perfectionnement aux dispositifs de gravillonnage
FR986431A (fr) Améliorations aux antivols
FR997131A (fr) Perfectionnement aux dispositifs de projection
FR985889A (fr) Perfectionnements aux emballages
FR1024690A (fr) Perfectionnements aux détergents non savonneux
FR989940A (fr) Perfectionnement aux savons
FR1000845A (fr) Perfectionnements aux stylographes
FR994547A (fr) Fronto-focomètre projecteur
FR1013390A (fr) Perfectionnements aux dispositifs de projection
FR1000151A (fr) Perfectionnement aux dispositifs de télécinéma
FR998818A (fr) Perfectionnement aux dispositifs de télécinéma
FR1023725A (fr) Perfectionnements aux dispositifs indicateurs
AT174226B (de) Rechengerät
FR996790A (fr) Perfectionnements aux vaporisateurs
FR989749A (fr) Perfectionnement aux dispositifs réflecteurs
FR1013586A (fr) Perfectionnements aux dispositifs de télécommunication
FR982101A (fr) Perfectionnement aux dispositifs thermostatiques
FR995694A (fr) Perfectionnements aux dispositifs de télécinéma
FR1011319A (fr) Perfectionnements aux dispositifs de réglage de rodoirs
FR998738A (fr) Perfectionnements aux dispositifs réflecteurs
FR1050274A (fr) Perfectionnements aux commutateurs
FR985084A (fr) Perfectionnements aux emballages
FR996886A (fr) étau