FR398994A - Indicator device with superimposed LEDs - Google Patents

Indicator device with superimposed LEDs

Info

Publication number
FR398994A
FR398994A FR398994DA FR398994A FR 398994 A FR398994 A FR 398994A FR 398994D A FR398994D A FR 398994DA FR 398994 A FR398994 A FR 398994A
Authority
FR
France
Prior art keywords
indicator device
leds
superimposed
superimposed leds
indicator
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
Charles Dutordoir
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR398994A publication Critical patent/FR398994A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P1/00—Details of instruments
    • G01P1/07—Indicating devices, e.g. for remote indication
    • G01P1/08—Arrangements of scales, pointers, lamps or acoustic indicators, e.g. in automobile speedometers
    • G01P1/10—Arrangements of scales, pointers, lamps or acoustic indicators, e.g. in automobile speedometers for indicating predetermined speeds

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR398994D 1909-01-08 1909-01-08 Indicator device with superimposed LEDs Expired FR398994A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR398994T 1909-01-08

Publications (1)

Publication Number Publication Date
FR398994A true FR398994A (en) 1909-06-18

Family

ID=1443980

Family Applications (1)

Application Number Title Priority Date Filing Date
FR398994D Expired FR398994A (en) 1909-01-08 1909-01-08 Indicator device with superimposed LEDs

Country Status (1)

Country Link
FR (1) FR398994A (en)

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