BE497324A - - Google Patents
Info
- Publication number
- BE497324A BE497324A BE497324DA BE497324A BE 497324 A BE497324 A BE 497324A BE 497324D A BE497324D A BE 497324DA BE 497324 A BE497324 A BE 497324A
- Authority
- BE
- Belgium
- Prior art keywords
- dial
- plane
- rays
- diaphragm
- light source
- Prior art date
Links
- 239000011521 glass Substances 0.000 description 3
- 238000005286 illumination Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 1
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)
- Details Of Measuring Devices (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE497324A true BE497324A (cs) |
Family
ID=140321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE497324D BE497324A (cs) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE497324A (cs) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4561042A (en) * | 1983-04-14 | 1985-12-24 | Pforzheimer Uhren-Rohwerke Porta Gmbh & Co. | Instrument illuminating arrangement |
-
0
- BE BE497324D patent/BE497324A/fr unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4561042A (en) * | 1983-04-14 | 1985-12-24 | Pforzheimer Uhren-Rohwerke Porta Gmbh & Co. | Instrument illuminating arrangement |
| EP0125476A3 (de) * | 1983-04-14 | 1987-09-30 | Pforzheimer Uhren-Rohwerke PORTA GmbH & Co. | Instrumentenbeleuchtung |
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