NL7904797A - Lichtbron voor super 8 mm filmprojector. - Google Patents

Lichtbron voor super 8 mm filmprojector.

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
Application number
NL7904797A
Other languages
English (en)
Dutch (nl)
Original Assignee
Thorn Electrical Ind Ltd
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 Thorn Electrical Ind Ltd filed Critical Thorn Electrical Ind Ltd
Publication of NL7904797A publication Critical patent/NL7904797A/xx

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
NL7904797A 1978-06-19 1979-06-19 Lichtbron voor super 8 mm filmprojector. NL7904797A (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7827212 1978-06-19

Publications (1)

Publication Number Publication Date
NL7904797A true NL7904797A (nl) 1979-12-21

Family

ID=10498018

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7904797A NL7904797A (nl) 1978-06-19 1979-06-19 Lichtbron voor super 8 mm filmprojector.

Country Status (7)

Country Link
JP (1) JPS554087A (xx)
AU (1) AU4809479A (xx)
DD (1) DD144330A5 (xx)
DE (1) DE2924463A1 (xx)
FR (1) FR2429382A1 (xx)
IT (1) IT7923705A0 (xx)
NL (1) NL7904797A (xx)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4321504A (en) * 1980-03-24 1982-03-23 Gte Products Corporation Low wattage metal halide arc discharge lamp
US4308483A (en) * 1980-03-24 1981-12-29 Gte Products Corporation High brightness, low wattage, high pressure, metal vapor discharge lamp
US4935668A (en) * 1988-02-18 1990-06-19 General Electric Company Metal halide lamp having vacuum shroud for improved performance

Also Published As

Publication number Publication date
JPS554087A (en) 1980-01-12
DD144330A5 (de) 1980-10-08
AU4809479A (en) 1980-01-03
FR2429382A1 (fr) 1980-01-18
DE2924463A1 (de) 1980-01-03
IT7923705A0 (it) 1979-06-20

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Legal Events

Date Code Title Description
BV The patent application has lapsed