NL8901479A - Diffusieplaatje. - Google Patents
Diffusieplaatje. Download PDFInfo
- Publication number
- NL8901479A NL8901479A NL8901479A NL8901479A NL8901479A NL 8901479 A NL8901479 A NL 8901479A NL 8901479 A NL8901479 A NL 8901479A NL 8901479 A NL8901479 A NL 8901479A NL 8901479 A NL8901479 A NL 8901479A
- Authority
- NL
- Netherlands
- Prior art keywords
- diffusion plate
- slit lamp
- light
- illumination
- lamp device
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
- G02B5/021—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
- G02B5/0221—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures the surface having an irregular structure
-
- 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
- A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
- A61B3/12—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for looking at the eye fundus, e.g. ophthalmoscopes
-
- 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
- A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
- A61B3/13—Ophthalmic microscopes
- A61B3/135—Slit-lamp microscopes
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
- G02B5/021—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
- G02B5/0231—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures the surface having microprismatic or micropyramidal shape
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
- G02B5/0257—Diffusing elements; Afocal elements characterised by the diffusing properties creating an anisotropic diffusion characteristic, i.e. distributing output differently in two perpendicular axes
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0273—Diffusing elements; Afocal elements characterized by the use
- G02B5/0278—Diffusing elements; Afocal elements characterized by the use used in transmission
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Medical Informatics (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Biophysics (AREA)
- Molecular Biology (AREA)
- Ophthalmology & Optometry (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Optical Elements Other Than Lenses (AREA)
- Eye Examination Apparatus (AREA)
- Light Sources And Details Of Projection-Printing Devices (AREA)
- Securing Globes, Refractors, Reflectors Or The Like (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE8808871 | 1988-07-09 | ||
DE8808871U DE8808871U1 (de) | 1988-07-09 | 1988-07-09 | Diffusionsplättchen für Spaltlampengeräte |
Publications (1)
Publication Number | Publication Date |
---|---|
NL8901479A true NL8901479A (nl) | 1990-02-01 |
Family
ID=6825857
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL8901479A NL8901479A (nl) | 1988-07-09 | 1989-06-09 | Diffusieplaatje. |
Country Status (6)
Country | Link |
---|---|
US (1) | US4936673A (ru) |
JP (1) | JPH0612731Y2 (ru) |
AT (1) | AT397341B (ru) |
CA (1) | CA1314032C (ru) |
DE (1) | DE8808871U1 (ru) |
NL (1) | NL8901479A (ru) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10108254A1 (de) | 2001-02-21 | 2002-08-22 | Leica Microsystems | Optische Betrachtungseinrichtung mit Vorrichtung zur partiellen Reduktion der Intensität der Beleuchtung |
ES2281301B1 (es) | 2006-10-16 | 2008-07-16 | Universidad Complutense De Madrid | Dispositivo de iluminacion con filtro terapeutico y profilactico para ojos sanos, pseudo-afaquicos y/o en proceso de neurodegeneracion. |
US7832903B2 (en) * | 2006-11-07 | 2010-11-16 | Universidad Complutense De Madrid | Illumination system fitted with a therapeutic/prophylactic filter for healthy eyes, pseudoaphakic eyes or eyes suffering neurodegeneration |
US7914177B2 (en) | 2006-11-07 | 2011-03-29 | Universidad Complutense De Madrid | Prophylaxic/therapeutic vehicle filter component for healthy eyes, pseudoaphakic eyes or eyes suffering neurodegeneration |
ES2289957B1 (es) * | 2007-02-07 | 2008-12-01 | Universidad Complutense De Madrid | Fuente de iluminacion con emision reducida de longitudes de onda corta para la proteccion de ojos. |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3944343A (en) * | 1974-08-16 | 1976-03-16 | Codman & Shurtleff, Inc. | Light inclining accessory for slit lamp |
-
1988
- 1988-07-09 DE DE8808871U patent/DE8808871U1/de not_active Expired
-
1989
- 1989-06-02 AT AT0135289A patent/AT397341B/de not_active IP Right Cessation
- 1989-06-09 NL NL8901479A patent/NL8901479A/nl not_active Application Discontinuation
- 1989-06-26 US US07/371,458 patent/US4936673A/en not_active Expired - Lifetime
- 1989-07-07 CA CA000605098A patent/CA1314032C/en not_active Expired - Fee Related
- 1989-07-10 JP JP1989080159U patent/JPH0612731Y2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH0213504U (ru) | 1990-01-29 |
DE8808871U1 (de) | 1988-09-01 |
JPH0612731Y2 (ja) | 1994-04-06 |
ATA135289A (de) | 1993-08-15 |
CA1314032C (en) | 1993-03-02 |
US4936673A (en) | 1990-06-26 |
AT397341B (de) | 1994-03-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A1B | A search report has been drawn up | ||
BV | The patent application has lapsed |