ATA33975A - LUMINAIRE PROVIDED WITH A TRANSPARENT LOWER SURFACE - Google Patents

LUMINAIRE PROVIDED WITH A TRANSPARENT LOWER SURFACE

Info

Publication number
ATA33975A
ATA33975A AT33975A AT33975A ATA33975A AT A33975 A ATA33975 A AT A33975A AT 33975 A AT33975 A AT 33975A AT 33975 A AT33975 A AT 33975A AT A33975 A ATA33975 A AT A33975A
Authority
AT
Austria
Prior art keywords
transparent lower
luminaire provided
luminaire
transparent
Prior art date
Application number
AT33975A
Other languages
German (de)
Other versions
AT350661B (en
Original Assignee
Zeiss Ikon Ag
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 Zeiss Ikon Ag filed Critical Zeiss Ikon Ag
Publication of ATA33975A publication Critical patent/ATA33975A/en
Application granted granted Critical
Publication of AT350661B publication Critical patent/AT350661B/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/02—Ducting arrangements
    • F24F13/06—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser
    • F24F13/078—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser combined with lighting fixtures
    • 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
    • F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
    • F21V33/0088—Ventilating systems

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
AT33975A 1974-04-20 1975-01-17 LUMINAIRE PROVIDED WITH A TRANSPARENT LOWER SURFACE AT350661B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2419091A DE2419091A1 (en) 1974-04-20 1974-04-20 Lamp enclosed with transparent cover - with a controlled air circulation system

Publications (2)

Publication Number Publication Date
ATA33975A true ATA33975A (en) 1978-11-15
AT350661B AT350661B (en) 1979-06-11

Family

ID=5913427

Family Applications (1)

Application Number Title Priority Date Filing Date
AT33975A AT350661B (en) 1974-04-20 1975-01-17 LUMINAIRE PROVIDED WITH A TRANSPARENT LOWER SURFACE

Country Status (3)

Country Link
AT (1) AT350661B (en)
CH (1) CH576610A5 (en)
DE (1) DE2419091A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8403745A (en) * 1984-12-10 1986-07-01 Philips Nv LIGHTING LUMINAIRE.
US4724515A (en) * 1985-04-26 1988-02-09 Nissan Motor Co., Ltd. Vehicle-use lamp fixture and braking indicator mechanism
NL1013176C2 (en) * 1999-09-29 2001-04-06 Gropeco B V Light lens system is for at least one elongated lamp unit, such as a strip light and has two end parts, at least one outer reflector extending between end parts and at least one likewise extending refractor

Also Published As

Publication number Publication date
CH576610A5 (en) 1976-06-15
DE2419091A1 (en) 1975-11-06
AT350661B (en) 1979-06-11

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee