IT1011474B - Elemento a lente per dispositivi di illuminazione - Google Patents

Elemento a lente per dispositivi di illuminazione

Info

Publication number
IT1011474B
IT1011474B IT5111474A IT5111474A IT1011474B IT 1011474 B IT1011474 B IT 1011474B IT 5111474 A IT5111474 A IT 5111474A IT 5111474 A IT5111474 A IT 5111474A IT 1011474 B IT1011474 B IT 1011474B
Authority
IT
Italy
Prior art keywords
lens element
lighting devices
lighting
devices
lens
Prior art date
Application number
IT5111474A
Other languages
English (en)
Italian (it)
Original Assignee
Lucas Electrical Co Ltd
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 Lucas Electrical Co Ltd filed Critical Lucas Electrical Co Ltd
Application granted granted Critical
Publication of IT1011474B publication Critical patent/IT1011474B/it

Links

Classifications

    • G—PHYSICS
    • G12—INSTRUMENT DETAILS
    • G12B—CONSTRUCTIONAL DETAILS OF INSTRUMENTS, OR COMPARABLE DETAILS OF OTHER APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G12B11/00—Indicating elements; Illumination thereof
    • G12B11/02—Scales; Dials
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B17/00—Systems with reflecting surfaces, with or without refracting elements
    • G02B17/004—Systems comprising a plurality of reflections between two or more surfaces, e.g. cells, resonators

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Package Frames And Binding Bands (AREA)
IT5111474A 1973-05-22 1974-05-20 Elemento a lente per dispositivi di illuminazione IT1011474B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2424073A GB1463061A (en) 1973-05-22 1973-05-22 Illuminable element

Publications (1)

Publication Number Publication Date
IT1011474B true IT1011474B (it) 1977-01-20

Family

ID=10208636

Family Applications (1)

Application Number Title Priority Date Filing Date
IT5111474A IT1011474B (it) 1973-05-22 1974-05-20 Elemento a lente per dispositivi di illuminazione

Country Status (7)

Country Link
JP (1) JPS5021751A (enrdf_load_stackoverflow)
CH (1) CH571229A5 (enrdf_load_stackoverflow)
DE (1) DE2424569A1 (enrdf_load_stackoverflow)
ES (1) ES203275Y (enrdf_load_stackoverflow)
FR (1) FR2231024B1 (enrdf_load_stackoverflow)
GB (1) GB1463061A (enrdf_load_stackoverflow)
IT (1) IT1011474B (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4730882A (en) * 1986-02-10 1988-03-15 Spectra-Tech, Inc. Multiple internal reflectance spectroscopy system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL159216B (nl) * 1951-02-12 Philips Nv Geheugenmatrix.
JPS446628Y1 (enrdf_load_stackoverflow) * 1966-07-15 1969-03-11
GB1264142A (enrdf_load_stackoverflow) * 1968-03-18 1972-02-16

Also Published As

Publication number Publication date
ES203275Y (es) 1976-04-16
DE2424569A1 (de) 1974-12-12
ES203275U (es) 1976-01-01
JPS5021751A (enrdf_load_stackoverflow) 1975-03-07
FR2231024A1 (enrdf_load_stackoverflow) 1974-12-20
FR2231024B1 (enrdf_load_stackoverflow) 1978-03-24
CH571229A5 (enrdf_load_stackoverflow) 1975-12-31
GB1463061A (en) 1977-02-02

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