FR2141960B1 - - Google Patents

Info

Publication number
FR2141960B1
FR2141960B1 FR7221597A FR7221597A FR2141960B1 FR 2141960 B1 FR2141960 B1 FR 2141960B1 FR 7221597 A FR7221597 A FR 7221597A FR 7221597 A FR7221597 A FR 7221597A FR 2141960 B1 FR2141960 B1 FR 2141960B1
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
FR7221597A
Other languages
French (fr)
Other versions
FR2141960A1 (enExample
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.)
Westinghouse Electric Corp
Original Assignee
Westinghouse Electric 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
Application filed by Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of FR2141960A1 publication Critical patent/FR2141960A1/fr
Application granted granted Critical
Publication of FR2141960B1 publication Critical patent/FR2141960B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J17/00—Gas-filled discharge tubes with solid cathode
    • H01J17/02—Details
    • H01J17/04—Electrodes; Screens
    • H01J17/06—Cathodes
    • H01J17/066—Cold cathodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0064—Tubes with cold main electrodes (including cold cathodes)
    • H01J2893/0065—Electrode systems
    • H01J2893/0066—Construction, material, support, protection and temperature regulation of electrodes; Electrode cups
FR7221597A 1971-06-16 1972-06-15 Expired FR2141960B1 (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15349671A 1971-06-16 1971-06-16

Publications (2)

Publication Number Publication Date
FR2141960A1 FR2141960A1 (enExample) 1973-01-26
FR2141960B1 true FR2141960B1 (enExample) 1977-12-23

Family

ID=22547448

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7221597A Expired FR2141960B1 (enExample) 1971-06-16 1972-06-15

Country Status (3)

Country Link
US (1) US3725716A (enExample)
DE (1) DE2228536A1 (enExample)
FR (1) FR2141960B1 (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS503390A (enExample) * 1973-05-11 1975-01-14
JPS5430092A (en) * 1977-08-10 1979-03-06 Hitachi Ltd Ight source electrode for zeeman atomic absorption analyzer
US4320321A (en) * 1980-03-25 1982-03-16 Alexandrov Vitaly V Hollow-cathode gas-discharge tube
DE3013219C2 (de) * 1980-04-03 1985-01-17 Marat Salachievič Moskva Čukin Hohlkatoden- Gasentladungslampe
US4795942A (en) * 1987-04-27 1989-01-03 Westinghouse Electric Corp. Hollow cathode discharge device with front shield
US5493184A (en) * 1990-10-25 1996-02-20 Fusion Lighting, Inc. Electrodeless lamp with improved efficiency
US5818167A (en) * 1996-02-01 1998-10-06 Osram Sylvania Inc. Electrodeless high intensity discharge lamp having a phosphorus fill

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2433809A (en) * 1947-02-01 1947-12-30 Sylvania Electric Prod Crater lamp
US3183393A (en) * 1962-04-20 1965-05-11 Westinghouse Electric Corp Discharge device
US3412278A (en) * 1965-12-01 1968-11-19 Perkin Elmer Corp Hollow cathodes having a matrix material with particles interspersed
FR1493591A (fr) * 1966-06-22 1967-09-01 Cie Ind Francaise Tubes Elect Perfectionnement aux tubes à décharge à cathode creuse
US3563655A (en) * 1968-01-10 1971-02-16 Westinghouse Electric Corp Electron discharge device including hollow cathode element for combined emission of spectral radiation and resonance detection
US3588601A (en) * 1968-12-27 1971-06-28 Westinghouse Electric Corp Radio frequency spectral emission and detector device
US3487254A (en) * 1969-01-16 1969-12-30 Perkin Elmer Corp Alloy for hollow cathode lamp

Also Published As

Publication number Publication date
DE2228536A1 (de) 1972-12-21
US3725716A (en) 1973-04-03
FR2141960A1 (enExample) 1973-01-26

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Legal Events

Date Code Title Description
ST Notification of lapse