FR884319A - Device for illuminating circular dials, in particular in aircraft instruments - Google Patents
Device for illuminating circular dials, in particular in aircraft instrumentsInfo
- 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
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)
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)
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 |
-
1942
- 1942-07-16 FR FR884319D patent/FR884319A/en not_active Expired
Cited By (6)
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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