FR2261476A1 - Shadeless lamp cluster - has longitudinal partitions converging towards top at acute angle - Google Patents

Shadeless lamp cluster - has longitudinal partitions converging towards top at acute angle

Info

Publication number
FR2261476A1
FR2261476A1 FR7504779A FR7504779A FR2261476A1 FR 2261476 A1 FR2261476 A1 FR 2261476A1 FR 7504779 A FR7504779 A FR 7504779A FR 7504779 A FR7504779 A FR 7504779A FR 2261476 A1 FR2261476 A1 FR 2261476A1
Authority
FR
France
Prior art keywords
acute angle
shadeless
towards top
converging towards
longitudinal partitions
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.)
Granted
Application number
FR7504779A
Other languages
English (en)
French (fr)
Other versions
FR2261476B1 (OSRAM
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.)
Siemens AG
Siemens Corp
Original Assignee
Siemens AG
Siemens Corp
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 Siemens AG, Siemens Corp filed Critical Siemens AG
Publication of FR2261476A1 publication Critical patent/FR2261476A1/fr
Application granted granted Critical
Publication of FR2261476B1 publication Critical patent/FR2261476B1/fr
Granted legal-status Critical Current

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
    • F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
    • F21V11/06—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using crossed laminae or strips, e.g. grid-shaped louvers; using lattices or honeycombs

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Sewing Machines And Sewing (AREA)
  • Decoration Of Textiles (AREA)
FR7504779A 1974-02-18 1975-02-17 Shadeless lamp cluster - has longitudinal partitions converging towards top at acute angle Granted FR2261476A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE7405584 1974-02-18

Publications (2)

Publication Number Publication Date
FR2261476A1 true FR2261476A1 (en) 1975-09-12
FR2261476B1 FR2261476B1 (OSRAM) 1981-03-27

Family

ID=6643797

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7504779A Granted FR2261476A1 (en) 1974-02-18 1975-02-17 Shadeless lamp cluster - has longitudinal partitions converging towards top at acute angle

Country Status (9)

Country Link
AT (1) AT352828B (OSRAM)
BE (1) BE825248A (OSRAM)
CH (1) CH575099A5 (OSRAM)
FI (1) FI60298C (OSRAM)
FR (1) FR2261476A1 (OSRAM)
IT (1) IT1031628B (OSRAM)
NL (1) NL7500917A (OSRAM)
NO (1) NO141769C (OSRAM)
SE (1) SE404418B (OSRAM)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0377079A1 (de) * 1989-01-05 1990-07-11 THORN LICHT GmbH Mit einer stabförmigen Leuchtstofflampe bestückte Rasterleuchte

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0377079A1 (de) * 1989-01-05 1990-07-11 THORN LICHT GmbH Mit einer stabförmigen Leuchtstofflampe bestückte Rasterleuchte

Also Published As

Publication number Publication date
NO141769B (no) 1980-01-28
NL7500917A (nl) 1975-08-20
BE825248A (fr) 1975-05-29
IT1031628B (it) 1979-05-10
FI750168A7 (OSRAM) 1975-08-19
ATA26775A (de) 1979-03-15
CH575099A5 (OSRAM) 1976-04-30
SE7501262L (OSRAM) 1975-08-19
FR2261476B1 (OSRAM) 1981-03-27
AT352828B (de) 1979-10-10
FI60298B (fi) 1981-08-31
NO141769C (no) 1980-05-14
NO750332L (OSRAM) 1975-08-19
FI60298C (fi) 1981-12-10
SE404418B (sv) 1978-10-02

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Legal Events

Date Code Title Description
ST Notification of lapse