NL48532C - - Google Patents
Info
- Publication number
- NL48532C NL48532C NL78875A NL78875A NL48532C NL 48532 C NL48532 C NL 48532C NL 78875 A NL78875 A NL 78875A NL 78875 A NL78875 A NL 78875A NL 48532 C NL48532 C NL 48532C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/84—Lamps with discharge constricted by high pressure
- H01J61/86—Lamps with discharge constricted by high pressure with discharge additionally constricted by close spacing of electrodes, e.g. for optical projection
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J17/00—Gas-filled discharge tubes with solid cathode
- H01J17/02—Details
- H01J17/04—Electrodes; Screens
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
- H01J5/32—Seals for leading-in conductors
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEP71723D DE646241C (de) | 1935-08-29 | 1935-08-29 | Elektrische Quecksilberdampfentladungslampe mit Edelgasgrundfuellung, deren Betriebsdampfdruck mehr als 20 Atmosphaeren betraegt |
| DE2135734X | 1936-09-15 | ||
| GB2605836A GB476833A (en) | 1936-09-25 | 1936-09-25 | Improvements in or relating to high-pressure metal-vapour electric discharge lamps |
| DE2135661X | 1937-01-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL48532C true NL48532C (en:Method) | 1940-06-15 |
Family
ID=32045958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL78875A NL48532C (en:Method) | 1935-08-29 | 1936-08-10 |
Country Status (5)
| Country | Link |
|---|---|
| US (3) | US2103041A (en:Method) |
| DE (1) | DE646241C (en:Method) |
| FR (2) | FR810098A (en:Method) |
| GB (3) | GB456608A (en:Method) |
| NL (1) | NL48532C (en:Method) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE875687C (de) * | 1938-10-05 | 1953-05-04 | Electricitaets Ges Sanitas M B | Anordnung zum Betrieb einer Hochdruck-Quecksilberdampflampe mit Gas-Grundfuellung, durch die Entladung aufgeheizten, nicht aktivierten Gluehkathoden und langgestrecktem Lichtbogen |
| US2567491A (en) * | 1943-12-29 | 1951-09-11 | Mitchell John Wesley | Luminous discharge tube |
| US2545884A (en) * | 1946-01-18 | 1951-03-20 | Gen Electric | High-pressure mercury vapor electric discharge lamp |
| US2518944A (en) * | 1948-02-13 | 1950-08-15 | Gen Electric | Electric discharge device seal |
| US2716713A (en) * | 1950-03-22 | 1955-08-30 | Gen Electric | Cold electrode pulse lamp structure |
| US2707247A (en) * | 1951-06-05 | 1955-04-26 | Hanovia Chemical & Mfg Co | Vapor electric discharge lamp |
| GB835183A (en) * | 1957-05-07 | 1960-05-18 | Philips Electrical Ind Ltd | Improvements in or relating to low-pressure mercury vapour discharge tubes |
| US2939985A (en) * | 1957-10-09 | 1960-06-07 | Philips Corp | Low-pressure mercury vapour discharge tube |
| US3219870A (en) * | 1963-06-14 | 1965-11-23 | Gen Electric | High pressure discharge lamps seal and base |
| US3293493A (en) * | 1963-09-25 | 1966-12-20 | Gen Electric | Light source for color synthesis |
| US4202999A (en) * | 1978-04-11 | 1980-05-13 | General Electric Company | Fused silica lamp envelope and seal |
| DE2833896A1 (de) * | 1978-08-02 | 1980-02-21 | Patra Patent Treuhand | Einschmelzung fuer stromzufuehrungen bei elektrischen lampen |
| GB2105904B (en) * | 1981-09-04 | 1985-10-23 | Emi Plc Thorn | High pressure discharge lamps |
| US5312472A (en) * | 1992-09-23 | 1994-05-17 | Spectra-Physics Lasers, Inc. | Method for manufacturing resonant cavity for laser |
-
1935
- 1935-08-29 DE DEP71723D patent/DE646241C/de not_active Expired
- 1935-09-06 GB GB24877/35A patent/GB456608A/en not_active Expired
-
1936
- 1936-01-22 GB GB2045/36A patent/GB468643A/en not_active Expired
- 1936-07-21 GB GB20178/36A patent/GB478368A/en not_active Expired
- 1936-08-06 FR FR810098D patent/FR810098A/fr not_active Expired
- 1936-08-10 NL NL78875A patent/NL48532C/xx active
- 1936-08-21 US US97278A patent/US2103041A/en not_active Expired - Lifetime
-
1937
- 1937-01-11 US US120066A patent/US2135661A/en not_active Expired - Lifetime
- 1937-09-13 US US163700A patent/US2135734A/en not_active Expired - Lifetime
- 1937-09-15 FR FR48790D patent/FR48790E/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE646241C (de) | 1937-06-14 |
| US2135661A (en) | 1938-11-08 |
| US2103041A (en) | 1937-12-21 |
| GB478368A (en) | 1938-01-18 |
| GB456608A (en) | 1936-11-12 |
| GB468643A (en) | 1937-07-09 |
| FR48790E (fr) | 1938-06-23 |
| US2135734A (en) | 1938-11-08 |
| FR810098A (fr) | 1937-03-15 |