FR668035A - Perfectionnements apportés aux projecteurs lumineux - Google Patents

Perfectionnements apportés aux projecteurs lumineux

Info

Publication number
FR668035A
FR668035A FR668035DA FR668035A FR 668035 A FR668035 A FR 668035A FR 668035D A FR668035D A FR 668035DA FR 668035 A FR668035 A FR 668035A
Authority
FR
France
Prior art keywords
projectors
illuminated
illuminated projectors
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.)
Compagnie des Lampes
Original Assignee
Compagnie des Lampes
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 Compagnie des Lampes filed Critical Compagnie des Lampes
Application granted granted Critical
Publication of FR668035A publication Critical patent/FR668035A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F19/00—Advertising or display means not otherwise provided for
    • G09F19/12—Advertising or display means not otherwise provided for using special optical effects
    • G09F19/18—Advertising or display means not otherwise provided for using special optical effects involving the use of optical projection means, e.g. projection of images on clouds

Landscapes

  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Marketing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
FR668035D 1929-01-26 1929-01-26 Perfectionnements apportés aux projecteurs lumineux Expired FR668035A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR668035T 1929-01-26

Publications (1)

Publication Number Publication Date
FR668035A true FR668035A (fr) 1929-10-26

Family

ID=9014768

Family Applications (1)

Application Number Title Priority Date Filing Date
FR668035D Expired FR668035A (fr) 1929-01-26 1929-01-26 Perfectionnements apportés aux projecteurs lumineux

Country Status (1)

Country Link
FR (1) FR668035A (fr)

Similar Documents

Publication Publication Date Title
FR691133A (fr) Perfectionnements aux carburateurs
FR697977A (fr) Perfectionnements aux projecteurs cinématographiques
FR689473A (fr) Perfectionnements aux micro-téléphones
FR695148A (fr) Perfectionnements apportés aux stylographes
FR697956A (fr) Perfectionnements aux projecteurs lumineux
FR668035A (fr) Perfectionnements apportés aux projecteurs lumineux
FR700273A (fr) Perfectionnements apportés aux films
FR675508A (fr) Perfectionnements aux projecteurs électriques
FR698675A (fr) Perfectionnements apportés aux gyrostats
FR691701A (fr) Perfectionnements aux postes à lampes
FR696388A (fr) Perfectionnements aux tire-roues
FR702822A (fr) Perfectionnements aux télégraphones
FR668069A (fr) Perfectionnements aux carburateurs
FR679943A (fr) Perfectionnements aux carburateurs
FR36750E (fr) Perfectionnements aux carburateurs
FR683547A (fr) Perfectionnements aux enseignes lumineuses
FR669571A (fr) Perfectionnements aux enseignes lumineuses
FR700520A (fr) Perfectionnements aux remblayeuses mécaniques
FR671648A (fr) Perfectionnements aux poulies-palans
FR706868A (fr) Perfectionnements aux photo-goniomètres
FR40226E (fr) Perfectionnements aux odographes
FR37392E (fr) Perfectionnements apportés aux panetons
FR680775A (fr) Perfectionnements apportés aux panetons
FR692958A (fr) Perfectionnements aux hydro-glisseurs
FR704572A (fr) Perfectionnements apportés aux synchronoscopes