IT1107461B - Perfezionamento nei dispositivi di presentazione di informazione a fluorescenza sotto vuoto - Google Patents

Perfezionamento nei dispositivi di presentazione di informazione a fluorescenza sotto vuoto

Info

Publication number
IT1107461B
IT1107461B IT51348/78A IT5134878A IT1107461B IT 1107461 B IT1107461 B IT 1107461B IT 51348/78 A IT51348/78 A IT 51348/78A IT 5134878 A IT5134878 A IT 5134878A IT 1107461 B IT1107461 B IT 1107461B
Authority
IT
Italy
Prior art keywords
improvement
information presentation
presentation devices
fluorescence information
vacuum fluorescence
Prior art date
Application number
IT51348/78A
Other languages
English (en)
Other versions
IT7851348A0 (it
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 IT7851348A0 publication Critical patent/IT7851348A0/it
Application granted granted Critical
Publication of IT1107461B publication Critical patent/IT1107461B/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
IT51348/78A 1978-03-06 1978-10-03 Perfezionamento nei dispositivi di presentazione di informazione a fluorescenza sotto vuoto IT1107461B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/883,692 US4142126A (en) 1978-03-06 1978-03-06 Vacuum fluorescent display having uniform character brightness

Publications (2)

Publication Number Publication Date
IT7851348A0 IT7851348A0 (it) 1978-10-03
IT1107461B true IT1107461B (it) 1985-11-25

Family

ID=25383134

Family Applications (1)

Application Number Title Priority Date Filing Date
IT51348/78A IT1107461B (it) 1978-03-06 1978-10-03 Perfezionamento nei dispositivi di presentazione di informazione a fluorescenza sotto vuoto

Country Status (7)

Country Link
US (1) US4142126A (it)
JP (1) JPS54118769A (it)
CA (1) CA1105545A (it)
DE (1) DE2844063A1 (it)
FR (1) FR2419556A1 (it)
GB (1) GB2015815B (it)
IT (1) IT1107461B (it)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2031220B (en) * 1978-10-04 1983-01-06 English Electric Valve Co Ltd Evacuated display tubes
JPS57162692U (it) * 1981-04-03 1982-10-13
US4661743A (en) * 1983-02-22 1987-04-28 Nec Corporation Fluorescent display tubes and method of manufacturing the same
JPS6065961U (ja) * 1983-10-14 1985-05-10 日本電気株式会社 蛍光表示管
EP0694173A1 (en) * 1992-01-02 1996-01-31 Adc Telecommunications, Inc. Overlapping fusion attenuator
US5319733A (en) * 1992-01-02 1994-06-07 Adc Telecommunications, Inc. Variable fiber optical attenuator
JPH08322006A (ja) * 1995-05-24 1996-12-03 Mitsubishi Electric Corp 投写型テレビジョン装置
FR2765712B1 (fr) * 1997-07-04 1999-09-17 Soc D Expl Du Mobilier A Usage Panneau d'affichage lumineux
JP3546860B2 (ja) * 2001-06-06 2004-07-28 双葉電子工業株式会社 チップイングラス蛍光表示管
JP2007027018A (ja) * 2005-07-21 2007-02-01 Hitachi Ltd ディスプレイパネルの製造方法及びアノードパネル
US7336023B2 (en) * 2006-02-08 2008-02-26 Youh Meng-Jey Cold cathode field emission devices having selective wavelength radiation

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3509402A (en) * 1968-07-03 1970-04-28 Wagner Electric Corp Digit readout device
US3688147A (en) * 1970-08-24 1972-08-29 Wagner Electric Corp Fluorescent symbol display tube having plural cathodes and/or vacuum anode insulation
US4020386A (en) * 1974-12-25 1977-04-26 Tokyo Shibaura Electric Co., Ltd. Flat type display tube
US4045704A (en) * 1975-06-13 1977-08-30 Futaba Denshi Kogyo K. K. Multi-digit fluorescent display tube with differently spaced planar control grid sections
JPS5247672A (en) * 1975-10-15 1977-04-15 Hitachi Ltd Illuminance correction filter and manufacturing method thereof

Also Published As

Publication number Publication date
GB2015815A (en) 1979-09-12
FR2419556B1 (it) 1982-10-29
JPS54118769A (en) 1979-09-14
CA1105545A (en) 1981-07-21
DE2844063A1 (de) 1979-09-13
US4142126A (en) 1979-02-27
GB2015815B (en) 1982-06-03
FR2419556A1 (fr) 1979-10-05
IT7851348A0 (it) 1978-10-03

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