GB9001052D0 - Light source - Google Patents

Light source

Info

Publication number
GB9001052D0
GB9001052D0 GB909001052A GB9001052A GB9001052D0 GB 9001052 D0 GB9001052 D0 GB 9001052D0 GB 909001052 A GB909001052 A GB 909001052A GB 9001052 A GB9001052 A GB 9001052A GB 9001052 D0 GB9001052 D0 GB 9001052D0
Authority
GB
United Kingdom
Prior art keywords
light source
source
light
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
GB909001052A
Other versions
GB2240167B (en
GB2240167A (en
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.)
PEARCE HARVEY PETER R
Original Assignee
PEARCE HARVEY PETER R
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 PEARCE HARVEY PETER R filed Critical PEARCE HARVEY PETER R
Priority to GB9001052A priority Critical patent/GB2240167B/en
Publication of GB9001052D0 publication Critical patent/GB9001052D0/en
Publication of GB2240167A publication Critical patent/GB2240167A/en
Application granted granted Critical
Publication of GB2240167B publication Critical patent/GB2240167B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
    • F21V13/02—Combinations of only two kinds of elements
    • F21V13/04—Combinations of only two kinds of elements the elements being reflectors and refractors
    • 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
    • F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
    • F21V13/12—Combinations of only three kinds of elements

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
GB9001052A 1990-01-17 1990-01-17 Light source Expired - Fee Related GB2240167B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9001052A GB2240167B (en) 1990-01-17 1990-01-17 Light source

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9001052A GB2240167B (en) 1990-01-17 1990-01-17 Light source

Publications (3)

Publication Number Publication Date
GB9001052D0 true GB9001052D0 (en) 1990-03-14
GB2240167A GB2240167A (en) 1991-07-24
GB2240167B GB2240167B (en) 1993-06-23

Family

ID=10669442

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9001052A Expired - Fee Related GB2240167B (en) 1990-01-17 1990-01-17 Light source

Country Status (1)

Country Link
GB (1) GB2240167B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10151978A1 (en) 2001-10-22 2003-04-30 Berchtold Holding Gmbh surgical light

Also Published As

Publication number Publication date
GB2240167B (en) 1993-06-23
GB2240167A (en) 1991-07-24

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19950117