FR786841A - Improvements to optical signaling devices - Google Patents

Improvements to optical signaling devices

Info

Publication number
FR786841A
FR786841A FR786841DA FR786841A FR 786841 A FR786841 A FR 786841A FR 786841D A FR786841D A FR 786841DA FR 786841 A FR786841 A FR 786841A
Authority
FR
France
Prior art keywords
signaling devices
optical signaling
optical
devices
signaling
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
Gabriel Pontal
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 FR786841A publication Critical patent/FR786841A/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
    • G09F11/00—Indicating arrangements for variable information in which the complete information is permanently attached to a movable support which brings it to the display position
    • G09F11/24—Indicating arrangements for variable information in which the complete information is permanently attached to a movable support which brings it to the display position the advertising or display material forming part of a moving band, e.g. in the form of perforations, prints, or transparencies
    • G09F11/29—Indicating arrangements for variable information in which the complete information is permanently attached to a movable support which brings it to the display position the advertising or display material forming part of a moving band, e.g. in the form of perforations, prints, or transparencies of a band other than endless

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
FR786841D 1934-05-31 1934-05-31 Improvements to optical signaling devices Expired FR786841A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR786841T 1934-05-31

Publications (1)

Publication Number Publication Date
FR786841A true FR786841A (en) 1935-09-10

Family

ID=9218591

Family Applications (1)

Application Number Title Priority Date Filing Date
FR786841D Expired FR786841A (en) 1934-05-31 1934-05-31 Improvements to optical signaling devices

Country Status (1)

Country Link
FR (1) FR786841A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1004082B (en) * 1952-08-30 1957-03-07 Georg Hegwein Device for the electrical remote control of display devices used for the transmission of selectable messages
DE965111C (en) * 1953-10-18 1957-05-29 Theod Wagner A G Elektrotechni Display device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1004082B (en) * 1952-08-30 1957-03-07 Georg Hegwein Device for the electrical remote control of display devices used for the transmission of selectable messages
DE965111C (en) * 1953-10-18 1957-05-29 Theod Wagner A G Elektrotechni Display device

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