IT7825324A0 - OPTICAL DEVICE PROVIDING A DIRECTIVE LIGHT BEAM AND LIGHTING FIXTURE INCLUDING SUCH DEVICE. - Google Patents

OPTICAL DEVICE PROVIDING A DIRECTIVE LIGHT BEAM AND LIGHTING FIXTURE INCLUDING SUCH DEVICE.

Info

Publication number
IT7825324A0
IT7825324A0 IT7825324A IT2532478A IT7825324A0 IT 7825324 A0 IT7825324 A0 IT 7825324A0 IT 7825324 A IT7825324 A IT 7825324A IT 2532478 A IT2532478 A IT 2532478A IT 7825324 A0 IT7825324 A0 IT 7825324A0
Authority
IT
Italy
Prior art keywords
light beam
lighting fixture
fixture including
directive light
optical device
Prior art date
Application number
IT7825324A
Other languages
Italian (it)
Other versions
IT1096999B (en
Original Assignee
Lampes Sa
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 Lampes Sa filed Critical Lampes Sa
Publication of IT7825324A0 publication Critical patent/IT7825324A0/en
Application granted granted Critical
Publication of IT1096999B publication Critical patent/IT1096999B/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/04—Optical design
    • F21V7/09—Optical design with a combination of different curvatures

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Optical Elements Other Than Lenses (AREA)
IT25324/78A 1977-07-08 1978-07-05 OPTICAL DEVICE THAT PROVIDES A DIRECTIVE LUMINOUS BEAM AND LIGHTING EQUIPMENT INVOLVING THIS DEVICE IT1096999B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7721193A FR2396922A1 (en) 1977-07-08 1977-07-08 OPTICAL DEVICE PROVIDING A DIRECTIVE LIGHT BEAM AND LIGHTING DEVICE INCLUDING SUCH A DEVICE

Publications (2)

Publication Number Publication Date
IT7825324A0 true IT7825324A0 (en) 1978-07-05
IT1096999B IT1096999B (en) 1985-08-26

Family

ID=9193183

Family Applications (1)

Application Number Title Priority Date Filing Date
IT25324/78A IT1096999B (en) 1977-07-08 1978-07-05 OPTICAL DEVICE THAT PROVIDES A DIRECTIVE LUMINOUS BEAM AND LIGHTING EQUIPMENT INVOLVING THIS DEVICE

Country Status (12)

Country Link
BE (1) BE868832A (en)
DE (1) DE2829969A1 (en)
DK (1) DK306378A (en)
ES (1) ES471494A1 (en)
FR (1) FR2396922A1 (en)
GB (1) GB2000855B (en)
IT (1) IT1096999B (en)
LU (1) LU79935A1 (en)
NL (1) NL7807277A (en)
OA (1) OA06004A (en)
PT (1) PT68253A (en)
SE (1) SE7807550L (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
HUT35362A (en) * 1981-04-30 1985-06-28 Tivadar Foeldi Lighting armature, preferably for indoor light

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1011455A (en) * 1949-02-11 1952-06-23 Ets Claude Paz & Silva Lighting fixtures improvements
GB688102A (en) * 1950-08-16 1953-02-25 British Thomson Houston Co Ltd Improvements in and relating to luminaires
DE1696803U (en) * 1953-06-03 1955-04-21 Siemens Ag WIDE RADIATION STREET LIGHTS FOR FLUORESCENT LAMPS.
NL152889B (en) * 1967-03-10 1977-04-15 Gen Electric PROCESS FOR PREPARING A LINEAR POLYCARBONATE COPOLYMER AND ORIENTABLE TEXTILE FIBER OF THIS COPOLYMER.

Also Published As

Publication number Publication date
PT68253A (en) 1978-08-01
FR2396922B1 (en) 1981-06-12
FR2396922A1 (en) 1979-02-02
NL7807277A (en) 1979-01-10
GB2000855B (en) 1982-02-03
DE2829969A1 (en) 1979-01-25
LU79935A1 (en) 1978-12-12
GB2000855A (en) 1979-01-17
ES471494A1 (en) 1979-02-01
SE7807550L (en) 1979-01-09
OA06004A (en) 1981-06-30
IT1096999B (en) 1985-08-26
DK306378A (en) 1979-01-09
BE868832A (en) 1978-11-03

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