FR2159505A1 - - Google Patents

Info

Publication number
FR2159505A1
FR2159505A1 FR7240052A FR7240052A FR2159505A1 FR 2159505 A1 FR2159505 A1 FR 2159505A1 FR 7240052 A FR7240052 A FR 7240052A FR 7240052 A FR7240052 A FR 7240052A FR 2159505 A1 FR2159505 A1 FR 2159505A1
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.)
Granted
Application number
FR7240052A
Other languages
French (fr)
Other versions
FR2159505B1 (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 JP1971106232U external-priority patent/JPS4861678U/ja
Priority claimed from JP10707371U external-priority patent/JPS4862874U/ja
Priority claimed from JP10707271U external-priority patent/JPS4862873U/ja
Application filed by Matsushita Electronics Corp filed Critical Matsushita Electronics Corp
Publication of FR2159505A1 publication Critical patent/FR2159505A1/fr
Application granted granted Critical
Publication of FR2159505B1 publication Critical patent/FR2159505B1/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
    • H01J61/02—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
    • H01J61/70—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
FR7240052A 1971-11-12 1972-11-10 Expired FR2159505B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP1971106232U JPS4861678U (en) 1971-11-12 1971-11-12
JP10707371U JPS4862874U (en) 1971-11-15 1971-11-15
JP10707271U JPS4862873U (en) 1971-11-15 1971-11-15

Publications (2)

Publication Number Publication Date
FR2159505A1 true FR2159505A1 (en) 1973-06-22
FR2159505B1 FR2159505B1 (en) 1976-08-20

Family

ID=27310680

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7240052A Expired FR2159505B1 (en) 1971-11-12 1972-11-10

Country Status (4)

Country Link
CA (1) CA971214A (en)
DE (1) DE2255165C3 (en)
FR (1) FR2159505B1 (en)
GB (1) GB1405153A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2391558A1 (en) * 1977-05-18 1978-12-15 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh LOW PRESSURE MERCURY STEAM DISCHARGE LAMP
FR2521779A1 (en) * 1982-02-16 1983-08-19 Narva K LOW-PRESSURE GAS DISCHARGE LAMP, IN PARTICULAR LIGHT-EMITTING LAMP

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7612158A (en) * 1976-11-02 1978-05-05 Philips Nv LOW-PRESSURE MERCURY DISCHARGE LAMP.
NL185639C (en) * 1980-10-29 1990-06-01 Philips Nv LOW-PRESSURE MERCURY DISCHARGE LAMP.
WO2003032364A1 (en) * 2001-10-04 2003-04-17 Koninklijke Philips Electronics N.V. Low-pressure mercury discharge lamp

Citations (1)

* 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

Patent Citations (1)

* 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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2391558A1 (en) * 1977-05-18 1978-12-15 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh LOW PRESSURE MERCURY STEAM DISCHARGE LAMP
FR2521779A1 (en) * 1982-02-16 1983-08-19 Narva K LOW-PRESSURE GAS DISCHARGE LAMP, IN PARTICULAR LIGHT-EMITTING LAMP

Also Published As

Publication number Publication date
FR2159505B1 (en) 1976-08-20
DE2255165A1 (en) 1973-05-17
CA971214A (en) 1975-07-15
DE2255165B2 (en) 1977-07-21
GB1405153A (en) 1975-09-03
DE2255165C3 (en) 1978-04-06

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