FR884319A - Device for illuminating circular dials, in particular in aircraft instruments - Google Patents

Device for illuminating circular dials, in particular in aircraft instruments

Info

Publication number
FR884319A
FR884319A FR884319DA FR884319A FR 884319 A FR884319 A FR 884319A FR 884319D A FR884319D A FR 884319DA FR 884319 A FR884319 A FR 884319A
Authority
FR
France
Prior art keywords
aircraft instruments
circular dials
illuminating
illuminating circular
dials
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)
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.)
Askania Werke AG
Original Assignee
Askania Werke AG
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 Askania Werke AG filed Critical Askania Werke AG
Application granted granted Critical
Publication of FR884319A publication Critical patent/FR884319A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
    • G01D11/28—Structurally-combined illuminating devices

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR884319D 1941-09-12 1942-07-16 Device for illuminating circular dials, in particular in aircraft instruments Expired FR884319A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE884319X 1941-09-12

Publications (1)

Publication Number Publication Date
FR884319A true FR884319A (en) 1943-08-10

Family

ID=6832386

Family Applications (1)

Application Number Title Priority Date Filing Date
FR884319D Expired FR884319A (en) 1941-09-12 1942-07-16 Device for illuminating circular dials, in particular in aircraft instruments

Country Status (1)

Country Link
FR (1) FR884319A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2723342A (en) * 1951-11-26 1955-11-08 Edwin A Neugass Instrument lighting devices
US2761056A (en) * 1953-02-13 1956-08-28 Lazo John Instrument illuminating means
US2775687A (en) * 1953-01-30 1956-12-25 Ibm Panel lighting
US3040168A (en) * 1957-09-25 1962-06-19 Kollsman Instr Corp Instrument lighting device
DE1156245B (en) * 1958-12-26 1963-10-24 Sperry Rand Corp Device for illuminating the scale surface with directly readable measuring instruments
EP0309764A1 (en) * 1987-09-03 1989-04-05 TA TRIUMPH-ADLER Aktiengesellschaft Device for illuminating transparent display areas

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2723342A (en) * 1951-11-26 1955-11-08 Edwin A Neugass Instrument lighting devices
US2775687A (en) * 1953-01-30 1956-12-25 Ibm Panel lighting
US2761056A (en) * 1953-02-13 1956-08-28 Lazo John Instrument illuminating means
US3040168A (en) * 1957-09-25 1962-06-19 Kollsman Instr Corp Instrument lighting device
DE1156245B (en) * 1958-12-26 1963-10-24 Sperry Rand Corp Device for illuminating the scale surface with directly readable measuring instruments
EP0309764A1 (en) * 1987-09-03 1989-04-05 TA TRIUMPH-ADLER Aktiengesellschaft Device for illuminating transparent display areas

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