NL168626C - Lens voor een bril met over het oppervlak varierende sterkte. - Google Patents
Lens voor een bril met over het oppervlak varierende sterkte.Info
- Publication number
- NL168626C NL168626C NLAANVRAGE7410793,A NL7410793A NL168626C NL 168626 C NL168626 C NL 168626C NL 7410793 A NL7410793 A NL 7410793A NL 168626 C NL168626 C NL 168626C
- Authority
- NL
- Netherlands
- Prior art keywords
- glasses
- lens
- variety
- strength
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/02—Lenses; Lens systems ; Methods of designing lenses
- G02C7/06—Lenses; Lens systems ; Methods of designing lenses bifocal; multifocal ; progressive
- G02C7/061—Spectacle lenses with progressively varying focal power
- G02C7/063—Shape of the progressive surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B13/00—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B23/00—Re-forming shaped glass
- C03B23/02—Re-forming glass sheets
- C03B23/023—Re-forming glass sheets by bending
- C03B23/035—Re-forming glass sheets by bending using a gas cushion or by changing gas pressure, e.g. by applying vacuum or blowing for supporting the glass while bending
- C03B23/0352—Re-forming glass sheets by bending using a gas cushion or by changing gas pressure, e.g. by applying vacuum or blowing for supporting the glass while bending by suction or blowing out for providing the deformation force to bend the glass sheet
- C03B23/0357—Re-forming glass sheets by bending using a gas cushion or by changing gas pressure, e.g. by applying vacuum or blowing for supporting the glass while bending by suction or blowing out for providing the deformation force to bend the glass sheet by suction without blowing, e.g. with vacuum or by venturi effect
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B23/00—Re-forming shaped glass
- C03B23/20—Uniting glass pieces by fusing without substantial reshaping
- C03B23/22—Uniting glass lenses, e.g. forming bifocal lenses
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/02—Lenses; Lens systems ; Methods of designing lenses
- G02C7/06—Lenses; Lens systems ; Methods of designing lenses bifocal; multifocal ; progressive
- G02C7/061—Spectacle lenses with progressively varying focal power
Landscapes
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Ophthalmology & Optometry (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Engineering (AREA)
- Eyeglasses (AREA)
- Lenses (AREA)
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US38904373A | 1973-08-16 | 1973-08-16 | |
US38904273A | 1973-08-16 | 1973-08-16 | |
US38904473A | 1973-08-16 | 1973-08-16 | |
US05/619,143 US4056311A (en) | 1973-08-16 | 1975-10-01 | Progressive power ophthalmic lens having a plurality of viewing zones with non-discontinuous variations therebetween |
US05/638,869 US4062629A (en) | 1973-08-16 | 1975-12-08 | Progressive power ophthalmic lens having a plurality of viewing zone with discontinuous power variations therebetween |
US05/638,870 US4055379A (en) | 1973-08-16 | 1975-12-08 | Multifocal lens |
Publications (3)
Publication Number | Publication Date |
---|---|
NL7410793A NL7410793A (nl) | 1975-02-18 |
NL168626B NL168626B (nl) | 1981-11-16 |
NL168626C true NL168626C (nl) | 1982-04-16 |
Family
ID=62567082
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NLAANVRAGE7410793,A NL168626C (nl) | 1973-08-16 | 1974-08-12 | Lens voor een bril met over het oppervlak varierende sterkte. |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS5753570B2 (nl) |
DE (5) | DE2439127B2 (nl) |
FR (2) | FR2270613A1 (nl) |
NL (1) | NL168626C (nl) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL168626C (nl) * | 1973-08-16 | 1982-04-16 | American Optical Corp | Lens voor een bril met over het oppervlak varierende sterkte. |
JPS526635U (nl) * | 1975-07-01 | 1977-01-18 | ||
DE2610203B2 (de) * | 1976-03-11 | 1981-01-22 | Optische Werke G. Rodenstock, 8000 Muenchen | Progressives Brillenglas |
FR2419257A1 (fr) * | 1978-03-08 | 1979-10-05 | Stenger Et Cie Sarl E Et G | Procede de fabrication de lentilles a puissance progressive et lentilles ainsi obtenues |
FR2425653A1 (fr) * | 1978-05-12 | 1979-12-07 | Essilor Int | Procede pour elaborer une surface de refraction d'une lentille ophtalmique a puissance focale progressivement variable |
JPS5942286B2 (ja) * | 1979-08-24 | 1984-10-13 | セイコーエプソン株式会社 | 眼鏡レンズ |
JPS56128916A (en) * | 1980-02-14 | 1981-10-08 | Itek Corp | Lens for glasses having sequentially varying focus |
US4307945A (en) * | 1980-02-14 | 1981-12-29 | Itek Corporation | Progressively varying focal power opthalmic lens |
US4271538A (en) * | 1980-03-24 | 1981-06-09 | Norton Company | Safety spectacles |
JPS56144414A (en) * | 1980-04-12 | 1981-11-10 | Hoya Corp | Progressive multifocal lens |
JPS5799613A (en) * | 1980-12-12 | 1982-06-21 | Seiko Epson Corp | Progressive multifocus lens |
FR2495789B1 (fr) * | 1980-12-05 | 1986-02-14 | Suwa Seikosha Kk | Lentille multifocale progressive |
JPS5794714A (en) * | 1980-12-05 | 1982-06-12 | Seiko Epson Corp | Progressive multifocus lens |
DE3116524C2 (de) * | 1981-02-09 | 1993-06-24 | AO Inc., Southbridge, Mass. | Brillenglas, insbesondere zur Korrektion von Presbyopie |
JPS57210320A (en) * | 1981-06-19 | 1982-12-23 | Hoya Corp | Progressive focus lens |
JPS5988718A (ja) * | 1982-11-12 | 1984-05-22 | Hoya Corp | 眼の輻輳を考慮した累進焦点眼鏡レンズ |
JPH0690368B2 (ja) * | 1985-07-09 | 1994-11-14 | セイコーエプソン株式会社 | 累進多焦点レンズ及び眼鏡 |
GB8528460D0 (en) * | 1985-11-19 | 1985-12-24 | Sola Int Holdings | Multifocal lens |
US4838675A (en) * | 1987-06-19 | 1989-06-13 | Sola International Holdings, Ltd. | Method for improving progressive lens designs and resulting article |
DE3739974A1 (de) * | 1987-11-25 | 1989-06-08 | Rodenstock Optik G | Progressives brillenglas |
JPH03109522A (ja) * | 1990-09-14 | 1991-05-09 | Seiko Epson Corp | 累進多焦点レンズ |
US5446508A (en) * | 1994-02-18 | 1995-08-29 | Bmc Industries, Inc. | Progressive power lens |
US6827441B2 (en) | 2002-01-31 | 2004-12-07 | Opticlear Inc. | Progressive lens with reduced distortion |
US7819523B2 (en) | 2005-06-03 | 2010-10-26 | Hoya Healthcare Corporation | Ocular lens |
DE102005057533A1 (de) | 2005-12-01 | 2007-06-06 | Rodenstock Gmbh | Verfahren zum Berechnen der Vergrößerung und/oder Verzerrung und Verfahren zum Herstellen eines Brillenglases mit geringer Vergrößerung und/oder Verzerrung |
WO2013040695A1 (en) | 2011-09-22 | 2013-03-28 | Bernard Fresco | Multi-focal lens |
JP2019045545A (ja) * | 2017-08-30 | 2019-03-22 | 東海光学株式会社 | バイフォーカルレンズ及びそのバイフォーカルレンズの製造方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1271356A (en) * | 1915-04-01 | 1918-07-02 | Arthur E Paige | Multifocal optical element. |
US2475275A (en) * | 1945-01-19 | 1949-07-05 | Birchall Henry James | Lens of variable focal power having surfaces of involute form |
US2919523A (en) * | 1951-09-04 | 1960-01-05 | Bozena Marie Phillips | Ophthalmic lenses and process and apparatus for producing the same |
BE533468A (nl) * | 1953-11-25 | |||
DE1151955B (de) * | 1953-11-25 | 1963-07-25 | & Commerciale Des Ouvriers Lun | Optisches Element mit stetig veraenderlicher Brechkraft |
DE1145820B (de) * | 1956-10-06 | 1963-03-21 | Saint Gobain | Brillenglas |
FR1509090A (fr) * | 1966-11-29 | 1968-01-12 | Lunetiers Cottet Poichet Soc D | Perfectionnements aux lentilles ophtalmiques à puissance focale progressivement variable |
BE755907A (fr) * | 1969-09-11 | 1971-02-15 | Lunetiers | Lentilles a puissance focale progressive |
NL168626C (nl) * | 1973-08-16 | 1982-04-16 | American Optical Corp | Lens voor een bril met over het oppervlak varierende sterkte. |
-
1974
- 1974-08-12 NL NLAANVRAGE7410793,A patent/NL168626C/nl not_active IP Right Cessation
- 1974-08-13 FR FR7428011A patent/FR2270613A1/fr active Granted
- 1974-08-14 DE DE19742439127 patent/DE2439127B2/de not_active Ceased
- 1974-08-14 DE DE2462446A patent/DE2462446C3/de not_active Expired
- 1974-08-15 JP JP49092885A patent/JPS5753570B2/ja not_active Expired
-
1976
- 1976-09-23 FR FR7628575A patent/FR2326718A2/fr active Granted
- 1976-10-01 DE DE19762644510 patent/DE2644510A1/de not_active Ceased
- 1976-10-01 DE DE19767630825U patent/DE7630825U1/de not_active Expired
- 1976-10-01 DE DE19762644450 patent/DE2644450A1/de active Pending
Also Published As
Publication number | Publication date |
---|---|
FR2326718B2 (nl) | 1982-04-30 |
FR2270613B1 (nl) | 1979-06-15 |
JPS5046348A (nl) | 1975-04-25 |
JPS5753570B2 (nl) | 1982-11-13 |
DE2644510A1 (de) | 1977-04-14 |
NL168626B (nl) | 1981-11-16 |
DE2439127B2 (de) | 1977-10-06 |
DE2462446B2 (de) | 1979-01-25 |
FR2326718A2 (fr) | 1977-04-29 |
FR2270613A1 (en) | 1975-12-05 |
DE2439127A1 (de) | 1975-02-27 |
DE2462446C3 (de) | 1979-09-20 |
DE2462446A1 (de) | 1977-03-31 |
DE2644450A1 (de) | 1977-04-07 |
DE7630825U1 (de) | 1980-04-17 |
NL7410793A (nl) | 1975-02-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
SNR | Assignments of patents or rights arising from examined patent applications |
Owner name: AO, INC, |
|
V4 | Lapsed because of reaching the maximum lifetime of a patent |