NL7904797A - LIGHT SOURCE FOR SUPER 8MM FILM PROJECTOR. - Google Patents
LIGHT SOURCE FOR SUPER 8MM FILM PROJECTOR.Info
- Publication number
- NL7904797A NL7904797A NL7904797A NL7904797A NL7904797A NL 7904797 A NL7904797 A NL 7904797A NL 7904797 A NL7904797 A NL 7904797A NL 7904797 A NL7904797 A NL 7904797A NL 7904797 A NL7904797 A NL 7904797A
- Authority
- NL
- Netherlands
- Prior art keywords
- super
- light source
- film projector
- projector
- film
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/12—Selection of substances for gas fillings; Specified operating pressure or temperature
- H01J61/18—Selection of substances for gas fillings; Specified operating pressure or temperature having a metallic vapour as the principal constituent
- H01J61/20—Selection of substances for gas fillings; Specified operating pressure or temperature having a metallic vapour as the principal constituent mercury vapour
-
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB7827212 | 1978-06-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
NL7904797A true NL7904797A (en) | 1979-12-21 |
Family
ID=10498018
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7904797A NL7904797A (en) | 1978-06-19 | 1979-06-19 | LIGHT SOURCE FOR SUPER 8MM FILM PROJECTOR. |
Country Status (7)
Country | Link |
---|---|
JP (1) | JPS554087A (en) |
AU (1) | AU4809479A (en) |
DD (1) | DD144330A5 (en) |
DE (1) | DE2924463A1 (en) |
FR (1) | FR2429382A1 (en) |
IT (1) | IT7923705A0 (en) |
NL (1) | NL7904797A (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4308483A (en) * | 1980-03-24 | 1981-12-29 | Gte Products Corporation | High brightness, low wattage, high pressure, metal vapor discharge lamp |
US4321504A (en) * | 1980-03-24 | 1982-03-23 | Gte Products Corporation | Low wattage metal halide arc discharge lamp |
US4935668A (en) * | 1988-02-18 | 1990-06-19 | General Electric Company | Metal halide lamp having vacuum shroud for improved performance |
-
1979
- 1979-06-15 AU AU48094/79A patent/AU4809479A/en not_active Abandoned
- 1979-06-15 JP JP7475479A patent/JPS554087A/en active Pending
- 1979-06-18 DD DD79213694A patent/DD144330A5/en unknown
- 1979-06-18 DE DE19792924463 patent/DE2924463A1/en not_active Withdrawn
- 1979-06-19 FR FR7915689A patent/FR2429382A1/en not_active Withdrawn
- 1979-06-19 NL NL7904797A patent/NL7904797A/en not_active Application Discontinuation
- 1979-06-20 IT IT7923705A patent/IT7923705A0/en unknown
Also Published As
Publication number | Publication date |
---|---|
AU4809479A (en) | 1980-01-03 |
FR2429382A1 (en) | 1980-01-18 |
IT7923705A0 (en) | 1979-06-20 |
DD144330A5 (en) | 1980-10-08 |
JPS554087A (en) | 1980-01-12 |
DE2924463A1 (en) | 1980-01-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BV | The patent application has lapsed |