DE944739C - Skala mit Skalenplatte aus wenig waermebestaendigem, durchsichtigem Material - Google Patents

Skala mit Skalenplatte aus wenig waermebestaendigem, durchsichtigem Material

Info

Publication number
DE944739C
DE944739C DEN5071A DEN0005071A DE944739C DE 944739 C DE944739 C DE 944739C DE N5071 A DEN5071 A DE N5071A DE N0005071 A DEN0005071 A DE N0005071A DE 944739 C DE944739 C DE 944739C
Authority
DE
Germany
Prior art keywords
scale
scale plate
plate
light
resistant
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
DEN5071A
Other languages
German (de)
English (en)
Inventor
Aris Dros
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 DE944739C publication Critical patent/DE944739C/de
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)
  • Details Of Measuring Devices (AREA)
  • Arrangements Of Lighting Devices For Vehicle Interiors, Mounting And Supporting Thereof, Circuits Therefore (AREA)
DEN5071A 1951-02-12 1952-02-09 Skala mit Skalenplatte aus wenig waermebestaendigem, durchsichtigem Material Expired DE944739C (de)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
DE944739C true DE944739C (de) 1956-07-12

Family

ID=41119335

Family Applications (1)

Application Number Title Priority Date Filing Date
DEN5071A Expired DE944739C (de) 1951-02-12 1952-02-09 Skala mit Skalenplatte aus wenig waermebestaendigem, durchsichtigem Material

Country Status (5)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1290996B (de) * 1958-06-27 1969-03-20 Siemens Ag Beleuchtbare Anzeigevorrichtung fuer Geraete der elektrischen Nachrichtenuebertragungs- und Messtechnik
FR2231024A1 (ref) * 1973-05-22 1974-12-20 Lucas Electrical Co Ltd

Families Citing this family (16)

* 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
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
SE7413182L (sv) * 1974-10-18 1976-04-20 Teleplan Ab Indikator
JPS5194684U (ref) * 1975-01-27 1976-07-29
JPS5754126Y2 (ref) * 1975-01-27 1982-11-24
JPS555992Y2 (ref) * 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
GB595003A (en) * 1944-02-02 1947-11-25 Ray Simpson Improvements in means for illuminating indicating instruments
US2413848A (en) * 1944-02-02 1947-01-07 Simpson Ray Illuminated instrument
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

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1290996B (de) * 1958-06-27 1969-03-20 Siemens Ag Beleuchtbare Anzeigevorrichtung fuer Geraete der elektrischen Nachrichtenuebertragungs- und Messtechnik
FR2231024A1 (ref) * 1973-05-22 1974-12-20 Lucas Electrical Co Ltd

Also Published As

Publication number Publication date
FR1050731A (fr) 1954-01-11
NL82025C (ref) 1956-07-16
NL159216B (nl)
US2770712A (en) 1956-11-13
GB708203A (en) 1954-04-28

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