FR2159504B1 - - Google Patents

Info

Publication number
FR2159504B1
FR2159504B1 FR7240051A FR7240051A FR2159504B1 FR 2159504 B1 FR2159504 B1 FR 2159504B1 FR 7240051 A FR7240051 A FR 7240051A FR 7240051 A FR7240051 A FR 7240051A FR 2159504 B1 FR2159504 B1 FR 2159504B1
Authority
FR
France
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.)
Expired
Application number
FR7240051A
Other languages
French (fr)
Other versions
FR2159504A1 (en
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electronics Corp
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
Priority claimed from JP1971106231U external-priority patent/JPS4861677U/ja
Priority claimed from JP10707071U external-priority patent/JPS4862871U/ja
Priority claimed from JP10707171U external-priority patent/JPS4862872U/ja
Application filed by Matsushita Electronics Corp filed Critical Matsushita Electronics Corp
Publication of FR2159504A1 publication Critical patent/FR2159504A1/fr
Application granted granted Critical
Publication of FR2159504B1 publication Critical patent/FR2159504B1/fr
Expired 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
    • H01J61/70—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr
    • H01J61/72—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr having a main light-emitting filling of easily vaporisable metal vapour, e.g. mercury
FR7240051A 1971-11-12 1972-11-10 Expired FR2159504B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP1971106231U JPS4861677U (en) 1971-11-12 1971-11-12
JP10707071U JPS4862871U (en) 1971-11-15 1971-11-15
JP10707171U JPS4862872U (en) 1971-11-15 1971-11-15

Publications (2)

Publication Number Publication Date
FR2159504A1 FR2159504A1 (en) 1973-06-22
FR2159504B1 true FR2159504B1 (en) 1976-06-04

Family

ID=27310679

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7240051A Expired FR2159504B1 (en) 1971-11-12 1972-11-10

Country Status (4)

Country Link
CA (1) CA969598A (en)
DE (1) DE2255164C3 (en)
FR (1) FR2159504B1 (en)
GB (1) GB1405155A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL185639C (en) * 1980-10-29 1990-06-01 Philips Nv LOW-PRESSURE MERCURY DISCHARGE LAMP.
GB0105491D0 (en) * 2001-03-06 2001-04-25 Univ Sheffield Mercury discharge lamps
WO2003032364A1 (en) * 2001-10-04 2003-04-17 Koninklijke Philips Electronics N.V. Low-pressure mercury discharge lamp

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2714681A (en) * 1948-08-27 1955-08-02 Gen Electric Electric discharge device
NL246040A (en) * 1958-12-06

Also Published As

Publication number Publication date
CA969598A (en) 1975-06-17
DE2255164C3 (en) 1978-04-06
DE2255164B2 (en) 1977-07-21
DE2255164A1 (en) 1973-05-17
GB1405155A (en) 1975-09-03
FR2159504A1 (en) 1973-06-22

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