GB1522472A - Attachment for fluorescent lamps - Google Patents

Attachment for fluorescent lamps

Info

Publication number
GB1522472A
GB1522472A GB18849/74A GB5385674A GB1522472A GB 1522472 A GB1522472 A GB 1522472A GB 18849/74 A GB18849/74 A GB 18849/74A GB 5385674 A GB5385674 A GB 5385674A GB 1522472 A GB1522472 A GB 1522472A
Authority
GB
United Kingdom
Prior art keywords
lamp
envelope
attachment
fluorescent lamps
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.)
Expired
Application number
GB18849/74A
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.)
WAUMSLEY P
Original Assignee
WAUMSLEY P
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 WAUMSLEY P filed Critical WAUMSLEY P
Priority to GB18849/74A priority Critical patent/GB1522472A/en
Publication of GB1522472A publication Critical patent/GB1522472A/en
Expired 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
    • F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
    • F21V9/08—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters for producing coloured light, e.g. monochromatic; for reducing intensity of light
    • 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
    • F21V15/00—Protecting lighting devices from damage
    • 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
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/04—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages the fastening being onto or by the light source
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/04—Signs, boards or panels, illuminated from behind the insignia
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/04—Signs, boards or panels, illuminated from behind the insignia
    • G09F13/0418—Constructional details
    • G09F2013/05—Constructional details indicating exit way or orientation

Abstract

1522472 Lighting fittings P H WAUMSLEY 30 July 1975 [30 April 1974 12 Dec 1974] 18849/74 and 53856/74 Heading F4R An attachment for a fluorescent lamp comprises a transparent or translucent protective envelope 12 mounted on the lamp by end cap assemblies 14 (see Specification 1,520881) and means 17 for modifying the light transmitted from the lamp over at least a part of the envelope 12. The light may be modified to show a display, instructions or it may be filtered. The means 17 may comprise a rolled sheet, a cylindrical member, or the envelope 12 may carry on its inner or outer surface material to produce the desired result. A filter may be included to render the lamp suitable for use in a photographic dark room.
GB18849/74A 1975-07-30 1975-07-30 Attachment for fluorescent lamps Expired GB1522472A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB18849/74A GB1522472A (en) 1975-07-30 1975-07-30 Attachment for fluorescent lamps

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB18849/74A GB1522472A (en) 1975-07-30 1975-07-30 Attachment for fluorescent lamps

Publications (1)

Publication Number Publication Date
GB1522472A true GB1522472A (en) 1978-08-23

Family

ID=10469203

Family Applications (1)

Application Number Title Priority Date Filing Date
GB18849/74A Expired GB1522472A (en) 1975-07-30 1975-07-30 Attachment for fluorescent lamps

Country Status (1)

Country Link
GB (1) GB1522472A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4410887A (en) * 1980-05-25 1983-10-18 Michael Stolov Large electronically controlled liquid crystal displays of one or more colors
DE3717390A1 (en) * 1987-05-22 1988-12-01 Mutzhas Maximilian F Irradiation equipment
EP1344974A1 (en) * 2002-03-16 2003-09-17 Hsien-Te Chen Colorful lamp strip
US7819548B1 (en) 2005-02-01 2010-10-26 Light Lines, Inc. Protective sleeve combination for tubes of fluorescent bulbs
EP3348895A1 (en) * 2017-01-17 2018-07-18 Kaufel SA Safety lighting device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4410887A (en) * 1980-05-25 1983-10-18 Michael Stolov Large electronically controlled liquid crystal displays of one or more colors
DE3717390A1 (en) * 1987-05-22 1988-12-01 Mutzhas Maximilian F Irradiation equipment
EP1344974A1 (en) * 2002-03-16 2003-09-17 Hsien-Te Chen Colorful lamp strip
US7819548B1 (en) 2005-02-01 2010-10-26 Light Lines, Inc. Protective sleeve combination for tubes of fluorescent bulbs
EP3348895A1 (en) * 2017-01-17 2018-07-18 Kaufel SA Safety lighting device
WO2018134499A1 (en) * 2017-01-17 2018-07-26 Kaufel Sa Safety lighting device

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee