IT952496B - Perfezionamento nei dispositivi di presentazione numerica del tipo termo ionico - Google Patents

Perfezionamento nei dispositivi di presentazione numerica del tipo termo ionico

Info

Publication number
IT952496B
IT952496B IT49386/72A IT4938672A IT952496B IT 952496 B IT952496 B IT 952496B IT 49386/72 A IT49386/72 A IT 49386/72A IT 4938672 A IT4938672 A IT 4938672A IT 952496 B IT952496 B IT 952496B
Authority
IT
Italy
Prior art keywords
improvement
presentation devices
ionic type
numerical presentation
thermo ionic
Prior art date
Application number
IT49386/72A
Other languages
English (en)
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
Application granted granted Critical
Publication of IT952496B publication Critical patent/IT952496B/it

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
IT49386/72A 1971-08-25 1972-03-31 Perfezionamento nei dispositivi di presentazione numerica del tipo termo ionico IT952496B (it)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
IT952496B true IT952496B (it) 1973-07-20

Family

ID=22637041

Family Applications (1)

Application Number Title Priority Date Filing Date
IT49386/72A IT952496B (it) 1971-08-25 1972-03-31 Perfezionamento nei dispositivi di presentazione numerica del tipo termo ionico

Country Status (7)

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

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS551391Y2 (it) * 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 (it) * 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
CA999633A (en) 1976-11-09
DE2218234A1 (de) 1973-03-08
FR2150295A2 (it) 1973-04-06
JPS4831051A (it) 1973-04-24
US3780326A (en) 1973-12-18
FR2150295B2 (it) 1976-01-16
GB1385973A (en) 1975-03-05

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