GB1385973A - Symbol display tube having an auxiliary electrode - Google Patents

Symbol display tube having an auxiliary electrode

Info

Publication number
GB1385973A
GB1385973A GB1778472A GB1778472A GB1385973A GB 1385973 A GB1385973 A GB 1385973A GB 1778472 A GB1778472 A GB 1778472A GB 1778472 A GB1778472 A GB 1778472A GB 1385973 A GB1385973 A GB 1385973A
Authority
GB
United Kingdom
Prior art keywords
anode
auxiliary electrode
filaments
elements
display
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
GB1778472A
Other languages
English (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.)
Wagner Electric Corp
Original Assignee
Wagner 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 Wagner Electric Corp filed Critical Wagner Electric Corp
Publication of GB1385973A publication Critical patent/GB1385973A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H01J31/10—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes
    • H01J31/12—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes with luminescent screen
    • H01J31/15—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes with luminescent screen with ray or beam selectively directed to luminescent anode segments

Landscapes

  • Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
GB1778472A 1971-08-25 1972-04-18 Symbol display tube having an auxiliary electrode Expired GB1385973A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US17466671A 1971-08-25 1971-08-25

Publications (1)

Publication Number Publication Date
GB1385973A true GB1385973A (en) 1975-03-05

Family

ID=22637041

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1778472A Expired GB1385973A (en) 1971-08-25 1972-04-18 Symbol display tube having an auxiliary electrode

Country Status (7)

Country Link
US (1) US3780326A (enExample)
JP (1) JPS4831051A (enExample)
CA (1) CA999633A (enExample)
DE (1) DE2218234A1 (enExample)
FR (1) FR2150295B2 (enExample)
GB (1) GB1385973A (enExample)
IT (1) IT952496B (enExample)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS551391Y2 (enExample) * 1974-05-20 1980-01-16
US4004186A (en) * 1975-12-01 1977-01-18 Texas Instruments Incorporated Vacuum fluorescent display having a grid plate coplanar with the anode
JPS5272160A (en) * 1975-12-12 1977-06-16 Dainippon Printing Co Ltd Multiidigit fluorescent display unit
US4156239A (en) * 1976-07-16 1979-05-22 Canon Kabushiki Kaisha Display device
JPS5416173A (en) * 1977-07-07 1979-02-06 Futaba Denshi Kogyo Kk Fluorescent display tube
EP0160518B1 (en) * 1984-05-01 1991-06-12 Xerox Corporation Optical image bar
US4578615A (en) * 1984-05-01 1986-03-25 Xerox Corporation Vacuum fluorescent printing device employing a fly's-eye light coupling method
JPH03132788A (ja) * 1989-10-19 1991-06-06 Kiyoshi Nagai 発光表示装置および発光表示装置用ステム
JPH04149934A (ja) * 1990-10-11 1992-05-22 Matsushita Electric Ind Co Ltd 画像表示装置
JP2002093350A (ja) * 2000-09-18 2002-03-29 Futaba Corp フィラメントを用いた表示管

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US317633A (en) * 1885-05-12 edison
NL6508596A (enExample) * 1965-07-03 1967-01-04
DE2016737A1 (de) * 1969-04-17 1970-11-05 Sony Corp., Tokio Elektronenröhre
US3584252A (en) * 1969-05-23 1971-06-08 Wagner Electric Corp Electrically-shielded symbol-display tube
US3619694A (en) * 1969-11-18 1971-11-09 Ise Electronics Corp Character-indicating electron tube with fluorescent display structure

Also Published As

Publication number Publication date
IT952496B (it) 1973-07-20
FR2150295A2 (enExample) 1973-04-06
JPS4831051A (enExample) 1973-04-24
CA999633A (en) 1976-11-09
DE2218234A1 (de) 1973-03-08
FR2150295B2 (enExample) 1976-01-16
US3780326A (en) 1973-12-18

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees