BE566025A - - Google Patents

Info

Publication number
BE566025A
BE566025A BE566025DA BE566025A BE 566025 A BE566025 A BE 566025A BE 566025D A BE566025D A BE 566025DA BE 566025 A BE566025 A BE 566025A
Authority
BE
Belgium
Application number
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.)
Publication of BE566025A publication Critical patent/BE566025A/xx

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B33/00—Electroluminescent light sources
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/22—Illumination; Arrangements for improving the visibility of characters on dials

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
BE566025D 1957-03-25 BE566025A (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US648144A US2908806A (en) 1957-03-25 1957-03-25 Electroluminescent telephone dial

Publications (1)

Publication Number Publication Date
BE566025A true BE566025A (fi)

Family

ID=24599612

Family Applications (1)

Application Number Title Priority Date Filing Date
BE566025D BE566025A (fi) 1957-03-25

Country Status (2)

Country Link
US (1) US2908806A (fi)
BE (1) BE566025A (fi)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3128950A (en) * 1964-04-14 Illuminative telephone dial
US3344269A (en) * 1967-09-26 Electroluminescent panel device
US3176140A (en) * 1959-01-05 1965-03-30 Int Standard Electric Corp Photosensitive document identification apparatus
US3069509A (en) * 1960-02-08 1962-12-18 Percival H Sherron Telephone dialing mechanism
US3132211A (en) * 1960-06-13 1964-05-05 North Electric Co Dial light for telephone substation set
US3114854A (en) * 1960-09-06 1963-12-17 Sylvania Electric Prod Indicia bearing device
US3109959A (en) * 1961-06-21 1963-11-05 Sylvania Electric Prod Electroluminescent device with a fusible element
US3109958A (en) * 1961-06-22 1963-11-05 Sylvania Electric Prod Electroluminescent devices with overload protection
US3316435A (en) * 1963-12-23 1967-04-25 Packard Bell Electronics Corp Electroluminescent panel for clock radio sets
DE1231543B (de) * 1964-04-08 1966-12-29 Voigtlaender Ag Kamera mit Bildfeldbegrenzungsrahmen im Sucher
GB1580058A (en) * 1976-07-19 1980-11-26 Saunders Roe Dev Ltd Instrument dial cover and instrument incorporating same
US5339550A (en) * 1992-04-16 1994-08-23 Peter Hoffman Illuminated sign and method of assembly
US5533289A (en) * 1992-04-16 1996-07-09 I.D. Lite, Inc. Illuminated sign
FR2728133B1 (fr) * 1994-12-12 1997-02-14 Eurocopter France Dispositif pour l'eclairage d'un ensemble d'equipements montes sur un support commun
EP0799406B1 (de) * 1994-12-20 2000-02-23 Robert Bosch Gmbh Anzeigeinstrument
TW486072U (en) * 2000-12-06 2002-05-01 Ritek Corp Night light with luminous disk
TWM265641U (en) * 2004-06-09 2005-05-21 Rilite Corportation Double shielded electroluminescent panel
WO2007126737A2 (en) * 2006-04-03 2007-11-08 Ceelite Llc Constant brightness control for electro-luminescent lamp

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2563581A (en) * 1951-08-07 Finger-wheel operated call trans
US1383082A (en) * 1917-10-10 1921-06-28 Flannery Bolt Co Means for displaying illuminated words or characters
US1466286A (en) * 1922-04-15 1923-08-28 Western Electric Co Luminous indicator
US1850550A (en) * 1931-01-21 1932-03-22 Willie L Chiles Dial telephone attachment
US1955972A (en) * 1932-03-29 1934-04-24 William Floyd Lee Illuminated telephone dial
US2566349A (en) * 1950-01-28 1951-09-04 Sylvania Electric Prod Electroluminescent lamp
US2644861A (en) * 1951-11-09 1953-07-07 Albert M Jouban Telephone instrument mask
BE541313A (fi) * 1954-10-05

Also Published As

Publication number Publication date
US2908806A (en) 1959-10-13

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