FR551242A - Electric device for projection of luminous announcements, with continuous and automatic operation - Google Patents

Electric device for projection of luminous announcements, with continuous and automatic operation

Info

Publication number
FR551242A
FR551242A FR551242DA FR551242A FR 551242 A FR551242 A FR 551242A FR 551242D A FR551242D A FR 551242DA FR 551242 A FR551242 A FR 551242A
Authority
FR
France
Prior art keywords
announcements
luminous
projection
continuous
electric device
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
French (fr)
Inventor
Henri-Lucien Vacaresse
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 filed Critical
Application granted granted Critical
Publication of FR551242A publication Critical patent/FR551242A/en
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)
FR551242D 1922-05-10 1922-05-10 Electric device for projection of luminous announcements, with continuous and automatic operation Expired FR551242A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR551242T 1922-05-10

Publications (1)

Publication Number Publication Date
FR551242A true FR551242A (en) 1923-03-30

Family

ID=8936720

Family Applications (1)

Application Number Title Priority Date Filing Date
FR551242D Expired FR551242A (en) 1922-05-10 1922-05-10 Electric device for projection of luminous announcements, with continuous and automatic operation

Country Status (1)

Country Link
FR (1) FR551242A (en)

Similar Documents

Publication Publication Date Title
FR551242A (en) Electric device for projection of luminous announcements, with continuous and automatic operation
FR26872E (en) Electric device for projection of luminous announcements, with continuous and automatic operation
FR575385A (en) Electric discharge device
SU38453A1 (en) Device for barriers with the use of voltage wires
FR551682A (en) Continuous operating recording device
FR609839A (en) Ball device making electrical contact by tilting the device
FR580208A (en) Time projection device
FR573774A (en) Electric illumination device
FR548736A (en) Automatic annunciator device
FR574666A (en) Electric servo device
FR547279A (en) Daytime and nighttime advertising device with automatic and continuous operation
FR574192A (en) Electric discharge device
FR548670A (en) Automatic light projection device
FR556878A (en) Automatic advertising device
FR557353A (en) Cinematographic device for shots and projections
FR582209A (en) Electric night-reading light on and off by rotating the device
FR557836A (en) Inhaler device
FR644680A (en) Remote control device for the operation of an electric lamp
FR570113A (en) Electric light projector
FR565106A (en) Electric lighting device
FR26838E (en) Electric lighting device
FR566147A (en) Electro-centrifugal separator device
FR557081A (en) Automatic device producing electric current
FR550478A (en) Electric lighting device
FR567953A (en) Carburation apparatus