FR975875A - Electronic discharge device - Google Patents

Electronic discharge device

Info

Publication number
FR975875A
FR975875A FR975875DA FR975875A FR 975875 A FR975875 A FR 975875A FR 975875D A FR975875D A FR 975875DA FR 975875 A FR975875 A FR 975875A
Authority
FR
France
Prior art keywords
discharge device
electronic discharge
electronic
discharge
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.)
Expired
Application number
Other languages
French (fr)
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.)
RCA Corp
Original Assignee
RCA Corp
Radio Corporation of America
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 RCA Corp, Radio Corporation of America filed Critical RCA Corp
Application granted granted Critical
Publication of FR975875A publication Critical patent/FR975875A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
    • H01J29/023—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof secondary-electron emitting electrode arrangements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J31/00—Cathode ray tubes; Electron beam tubes
    • H01J31/08—Cathode ray tubes; Electron beam tubes having a screen on or from which an image or pattern is formed, picked up, converted, or stored
    • H01J31/26—Image pick-up tubes having an input of visible light and electric output
    • H01J31/28—Image pick-up tubes having an input of visible light and electric output with electron ray scanning the image screen
    • H01J31/34—Image pick-up tubes having an input of visible light and electric output with electron ray scanning the image screen having regulation of screen potential at cathode potential, e.g. orthicon
    • H01J31/36—Tubes with image amplification section, e.g. image-orthicon
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J43/00—Secondary-emission tubes; Electron-multiplier tubes
    • H01J43/04—Electron multipliers
    • H01J43/06—Electrode arrangements
    • H01J43/08—Cathode arrangements
FR975875D 1947-12-19 1948-12-06 Electronic discharge device Expired FR975875A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US792797A US2498082A (en) 1947-12-19 1947-12-19 Gun structure for cathode-ray tubes

Publications (1)

Publication Number Publication Date
FR975875A true FR975875A (en) 1951-03-12

Family

ID=25158098

Family Applications (1)

Application Number Title Priority Date Filing Date
FR975875D Expired FR975875A (en) 1947-12-19 1948-12-06 Electronic discharge device

Country Status (6)

Country Link
US (1) US2498082A (en)
BE (1) BE486327A (en)
DE (1) DE838472C (en)
FR (1) FR975875A (en)
GB (1) GB662757A (en)
NL (2) NL83421C (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2777970A (en) * 1950-10-03 1957-01-15 Paul K Weimer Television camera storage tube
US2942132A (en) * 1957-10-02 1960-06-21 Rca Corp Electron multiplier
US3716738A (en) * 1971-04-26 1973-02-13 Itt Television camera tube having channel multiplier surrounding electron gun
FR2546663B1 (en) * 1983-05-25 1985-07-12 Hyperelec PHOTOMULTIPLIER TUBE WITH A DYNODE INSENSITIVE TO HIGH MAGNETIC FIELDS
US8255835B2 (en) 2004-02-24 2012-08-28 Research In Motion Limited Method and system for managing unread electronic messages

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1559460A (en) * 1920-06-30 1925-10-27 Ruben Samuel Electron tube
US2204503A (en) * 1937-02-20 1940-06-11 Firm Of Fernseh Ag Electron multiplier
US2424850A (en) * 1944-04-07 1947-07-29 Farnsworth Television & Radio Photoelectron multiplier

Also Published As

Publication number Publication date
DE838472C (en) 1952-05-08
US2498082A (en) 1950-02-21
NL83421C (en) 1956-07-16
GB662757A (en) 1951-12-12
BE486327A (en) 1948-12-31
NL143880B (en)

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