GB2058323B - Method of and arrangement for using light-emitting diodes and ophthalmic examination apparatus incorporating such an arrangement - Google Patents

Method of and arrangement for using light-emitting diodes and ophthalmic examination apparatus incorporating such an arrangement

Info

Publication number
GB2058323B
GB2058323B GB8024415A GB8024415A GB2058323B GB 2058323 B GB2058323 B GB 2058323B GB 8024415 A GB8024415 A GB 8024415A GB 8024415 A GB8024415 A GB 8024415A GB 2058323 B GB2058323 B GB 2058323B
Authority
GB
United Kingdom
Prior art keywords
arrangement
light
emitting diodes
apparatus incorporating
examination apparatus
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
GB8024415A
Other languages
English (en)
Other versions
GB2058323A (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.)
Optische Werke G Rodenstock
Original Assignee
Optische Werke G Rodenstock
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 Optische Werke G Rodenstock filed Critical Optische Werke G Rodenstock
Publication of GB2058323A publication Critical patent/GB2058323A/en
Application granted granted Critical
Publication of GB2058323B publication Critical patent/GB2058323B/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
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/02—Fastening of light sources or lamp holders with provision for adjustment, e.g. for focusing
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
    • A61B3/02—Subjective types, i.e. testing apparatus requiring the active assistance of the patient
    • A61B3/024—Subjective types, i.e. testing apparatus requiring the active assistance of the patient for determining the visual field, e.g. perimeter types
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/90—Methods of manufacture
    • 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
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S362/00—Illumination
    • Y10S362/80—Light emitting diode

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Biophysics (AREA)
  • Ophthalmology & Optometry (AREA)
  • Biomedical Technology (AREA)
  • General Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Eye Examination Apparatus (AREA)
  • Led Device Packages (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
GB8024415A 1979-07-26 1980-07-25 Method of and arrangement for using light-emitting diodes and ophthalmic examination apparatus incorporating such an arrangement Expired GB2058323B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2930405A DE2930405C2 (de) 1979-07-26 1979-07-26 Stimulus-Leuchte für augenoptische Untersuchungsgertäte

Publications (2)

Publication Number Publication Date
GB2058323A GB2058323A (en) 1981-04-08
GB2058323B true GB2058323B (en) 1983-09-14

Family

ID=6076876

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8024415A Expired GB2058323B (en) 1979-07-26 1980-07-25 Method of and arrangement for using light-emitting diodes and ophthalmic examination apparatus incorporating such an arrangement

Country Status (6)

Country Link
US (1) US4364107A (enExample)
JP (1) JPS5620429A (enExample)
CH (1) CH648673A5 (enExample)
DE (1) DE2930405C2 (enExample)
FR (1) FR2462142A1 (enExample)
GB (1) GB2058323B (enExample)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4712163A (en) * 1980-08-30 1987-12-08 Oxley Robert F Indicator lamps
GB2132378B (en) * 1982-11-19 1986-05-21 Gwyndann Group Illumination of optical instruments
US4523259A (en) * 1983-12-23 1985-06-11 Dorsett Danny R Bolt-light bulb combination
US4967330A (en) * 1990-03-16 1990-10-30 Bell Howard F LED lamp with open encasement
US5113329A (en) * 1990-06-07 1992-05-12 Lin Tak Huei Tube light
ES2530753T3 (es) * 1997-03-17 2015-03-05 Btg Int Ltd Composiciones terapéuticas que comprenden cuerpos cetónicos y precursores de los mismos
US8388164B2 (en) * 2005-05-17 2013-03-05 Michael Waters Hands-Free lighting devices
US9526292B2 (en) 2005-05-17 2016-12-27 Michael Waters Power modules and headgear
US20070202723A1 (en) * 2006-02-09 2007-08-30 Element Labs, Inc. Light emitting assembly for a non-rigid substrate
US20070253222A1 (en) * 2006-04-27 2007-11-01 Sdi Technologies, Inc. Nightlight with rotatable image drum
CA2709991A1 (en) 2007-12-18 2009-06-25 Michael Waters Hands free lighting devices
US8491145B2 (en) 2007-12-18 2013-07-23 Waters Industries, Inc. Illuminated headgear having switch devices and packaging therefor
US8757831B2 (en) 2007-12-18 2014-06-24 Michael Waters Headgear having an electrical device and power source mounted thereto
ES1077908Y (es) 2009-02-27 2013-01-23 Michael Waters Sombrero con luz.
US20130192961A1 (en) 2010-04-30 2013-08-01 Michael Waters Lighted headgear and accessories therefor
CA2794370A1 (en) 2011-11-04 2013-05-04 Michael Waters Hat with automated shut-off feature for electrical devices
US9568173B2 (en) 2011-12-23 2017-02-14 Michael Waters Lighted hat
US9526287B2 (en) 2011-12-23 2016-12-27 Michael Waters Lighted hat
US9609902B2 (en) 2011-12-23 2017-04-04 Michael Waters Headgear having a camera device
US10159294B2 (en) 2012-12-19 2018-12-25 Michael Waters Lighted solar hat
WO2014144507A1 (en) 2013-03-15 2014-09-18 Michael Waters Lighted headgear
USD770143S1 (en) 2014-05-23 2016-11-01 Michael Waters Beanie with means for illumination
US10232770B2 (en) * 2015-09-08 2019-03-19 Ykk Corporation Of America Illuminated marker
US10791783B1 (en) 2019-05-16 2020-10-06 Waters Industries, Inc. Lighted headgear and accessories therefor
USD1062525S1 (en) 2021-12-24 2025-02-18 Ykk Corporation Snap button
US12171293B2 (en) 2021-12-27 2024-12-24 Waters Industries, Inc. Lighted headgear and accessories therefor

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB339818A (en) * 1929-12-31 1930-12-18 G N Haden & Sons Ltd Electric ceiling lights
BE397747A (enExample) * 1932-07-21
GB410216A (en) * 1932-11-23 1934-05-17 Eileen Smith Improvements in and relating to vehicle, signal and like outdoor lamps
GB1371606A (en) * 1971-11-11 1974-10-23 Secr Defence Light projecting devices
US3961175A (en) * 1974-02-04 1976-06-01 Matsushita Electric Industrial Co., Ltd. Portable battery operated electric light
IT1053342B (it) * 1975-02-22 1981-08-31 Rodenstock Optik G Apparecchio d esame oftalmico perimetrico
FR2407796A1 (fr) * 1977-11-07 1979-06-01 Anquetin Jacques Dispositif permettant de rechercher et de saisir des pieces metalliques a des endroits d'acces difficile

Also Published As

Publication number Publication date
US4364107A (en) 1982-12-14
JPS6115684B2 (enExample) 1986-04-25
FR2462142A1 (fr) 1981-02-13
FR2462142B1 (enExample) 1984-12-28
DE2930405C2 (de) 1982-09-23
CH648673A5 (de) 1985-03-29
GB2058323A (en) 1981-04-08
DE2930405A1 (de) 1981-02-05
JPS5620429A (en) 1981-02-26

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Legal Events

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