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FR1294140A - écran d'indication photochromique - Google Patents

écran d'indication photochromique

Info

Publication number
FR1294140A
FR1294140A FR850795A FR850795A FR1294140A FR 1294140 A FR1294140 A FR 1294140A FR 850795 A FR850795 A FR 850795A FR 850795 A FR850795 A FR 850795A FR 1294140 A FR1294140 A FR 1294140A
Authority
FR
France
Prior art keywords
photochromic
indication screen
indication
screen
photochromic indication
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
FR850795A
Other languages
English (en)
Inventor
George T Brown
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.)
NCR Voyix Corp
National Cash Register Co
Original Assignee
NCR Corp
National Cash Register Co
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 NCR Corp, National Cash Register Co filed Critical NCR Corp
Priority to FR850795A priority Critical patent/FR1294140A/fr
Application granted granted Critical
Publication of FR1294140A publication Critical patent/FR1294140A/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
    • G09F13/00—Illuminated signs; Luminous advertising

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
FR850795A 1961-01-26 1961-01-26 écran d'indication photochromique Expired FR1294140A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR850795A FR1294140A (fr) 1961-01-26 1961-01-26 écran d'indication photochromique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR850795A FR1294140A (fr) 1961-01-26 1961-01-26 écran d'indication photochromique

Publications (1)

Publication Number Publication Date
FR1294140A true FR1294140A (fr) 1962-05-26

Family

ID=8747508

Family Applications (1)

Application Number Title Priority Date Filing Date
FR850795A Expired FR1294140A (fr) 1961-01-26 1961-01-26 écran d'indication photochromique

Country Status (1)

Country Link
FR (1) FR1294140A (fr)

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