FR1050731A - Cadran en matière transparente, en particulier pour radiorécepteurs - Google Patents

Cadran en matière transparente, en particulier pour radiorécepteurs

Info

Publication number
FR1050731A
FR1050731A FR1050731DA FR1050731A FR 1050731 A FR1050731 A FR 1050731A FR 1050731D A FR1050731D A FR 1050731DA FR 1050731 A FR1050731 A FR 1050731A
Authority
FR
France
Prior art keywords
dial
transparent material
radio receivers
receivers
radio
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
English (en)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR1050731A publication Critical patent/FR1050731A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/18—Edge-illuminated signs
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/50—Selection of substances for gas fillings; Specified pressure thereof
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
    • H03J1/02—Indicating arrangements
    • H03J1/04—Indicating arrangements with optical indicating means
    • H03J1/044—Illumination of the tuning dial; On and off switching of the illumination; Circuits related with illumination

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Arrangements Of Lighting Devices For Vehicle Interiors, Mounting And Supporting Thereof, Circuits Therefore (AREA)
  • Details Of Measuring Devices (AREA)
FR1050731D 1951-02-12 1952-02-11 Cadran en matière transparente, en particulier pour radiorécepteurs Expired FR1050731A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL159216A NL82025C (nl) 1951-02-12 1951-02-12

Publications (1)

Publication Number Publication Date
FR1050731A true FR1050731A (fr) 1954-01-11

Family

ID=41119335

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1050731D Expired FR1050731A (fr) 1951-02-12 1952-02-11 Cadran en matière transparente, en particulier pour radiorécepteurs

Country Status (5)

Country Link
US (1) US2770712A (nl)
DE (1) DE944739C (nl)
FR (1) FR1050731A (nl)
GB (1) GB708203A (nl)
NL (2) NL82025C (nl)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2854509A (en) * 1951-08-04 1958-09-30 Alden Products Co Facsimile optical scanning apparatus
US2868960A (en) * 1956-02-07 1959-01-13 Arthur V Appel Instrument dial illuminator
DE1290996B (de) * 1958-06-27 1969-03-20 Siemens Ag Beleuchtbare Anzeigevorrichtung fuer Geraete der elektrischen Nachrichtenuebertragungs- und Messtechnik
DE1173267B (de) * 1961-08-14 1964-07-02 M K Juchheim Thermometerfabrik Vorrichtung zum lichtelektrischen Betaetigen von Grenzwertkontakten und zum Beleuchten der Anzeigemittel bei Zeigereinbauinstrumenten
US3148834A (en) * 1961-11-22 1964-09-15 Sperry Rand Corp Illumination system
US3248554A (en) * 1961-12-13 1966-04-26 Sperry Rand Corp Uniform intensity illumination system
US3761704A (en) * 1972-01-06 1973-09-25 Matusushita Electric Ind Co Lt Dial illuminating device
GB1463061A (en) * 1973-05-22 1977-02-02 Lucas Electrical Ltd Illuminable element
SE7413182L (sv) * 1974-10-18 1976-04-20 Teleplan Ab Indikator
JPS5194684U (nl) * 1975-01-27 1976-07-29
JPS5754126Y2 (nl) * 1975-01-27 1982-11-24
JPS555992Y2 (nl) * 1975-02-18 1980-02-12
US4085436A (en) * 1976-10-14 1978-04-18 Allen Weiss Ring light converter for electronic flash units
US4447118A (en) * 1981-09-21 1984-05-08 The Boeing Company Optical information transfer system
US4564286A (en) * 1983-06-09 1986-01-14 Xerox Corporation Illumination device
JP2557409Y2 (ja) * 1991-05-07 1997-12-10 パイオニア株式会社 グリルの照明構造
JPH08321918A (ja) * 1995-03-22 1996-12-03 Canon Inc 導光体、該導光体を有する照明装置及び該照明装置を有する情報処理装置
JP2006252794A (ja) * 2005-03-08 2006-09-21 Sumitomo Wiring Syst Ltd 導光体及びこれを備えた照明装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1714242A (en) * 1927-04-19 1929-05-21 Paramount Famous Lasky Corp Reflector arc
US2071284A (en) * 1935-10-23 1937-02-16 Bendix Radio Corp Indicating device
US2150836A (en) * 1937-02-27 1939-03-14 Weston Electrical Instr Corp Electrical measuring instrument
US2413848A (en) * 1944-02-02 1947-01-07 Simpson Ray Illuminated instrument
GB595003A (en) * 1944-02-02 1947-11-25 Ray Simpson Improvements in means for illuminating indicating instruments
US2560117A (en) * 1947-01-31 1951-07-10 Robert W Mallary Sign
US2611018A (en) * 1949-06-24 1952-09-16 Westinghouse Brake & Signal Mimic diagram panel

Also Published As

Publication number Publication date
NL159216B (nl)
GB708203A (en) 1954-04-28
DE944739C (de) 1956-07-12
NL82025C (nl) 1956-07-16
US2770712A (en) 1956-11-13

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