JPS554087A - Optical source for super 8 mm projector - Google Patents

Optical source for super 8 mm projector

Info

Publication number
JPS554087A
JPS554087A JP7475479A JP7475479A JPS554087A JP S554087 A JPS554087 A JP S554087A JP 7475479 A JP7475479 A JP 7475479A JP 7475479 A JP7475479 A JP 7475479A JP S554087 A JPS554087 A JP S554087A
Authority
JP
Japan
Prior art keywords
projector
super
optical source
optical
source
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.)
Pending
Application number
JP7475479A
Other languages
English (en)
Japanese (ja)
Inventor
Sonaa Ainsuwaasu Toomasu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thorn Electrical Industries Ltd
Original Assignee
Thorn Electrical Industries 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 Industries Ltd filed Critical Thorn Electrical Industries Ltd
Publication of JPS554087A publication Critical patent/JPS554087A/ja
Pending legal-status Critical Current

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

Landscapes

  • Discharge Lamps And Accessories Thereof (AREA)
  • Projection Apparatus (AREA)
  • Discharge Lamp (AREA)
JP7475479A 1978-06-19 1979-06-15 Optical source for super 8 mm projector Pending JPS554087A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
JPS554087A true JPS554087A (en) 1980-01-12

Family

ID=10498018

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7475479A Pending JPS554087A (en) 1978-06-19 1979-06-15 Optical source for super 8 mm projector

Country Status (7)

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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
AU4809479A (en) 1980-01-03
NL7904797A (nl) 1979-12-21
DD144330A5 (de) 1980-10-08
IT7923705A0 (it) 1979-06-20
DE2924463A1 (de) 1980-01-03
FR2429382A1 (fr) 1980-01-18

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