FR2834568B1 - Lunettes a puissance progressive - Google Patents

Lunettes a puissance progressive

Info

Publication number
FR2834568B1
FR2834568B1 FR0300105A FR0300105A FR2834568B1 FR 2834568 B1 FR2834568 B1 FR 2834568B1 FR 0300105 A FR0300105 A FR 0300105A FR 0300105 A FR0300105 A FR 0300105A FR 2834568 B1 FR2834568 B1 FR 2834568B1
Authority
FR
France
Prior art keywords
glasses
progressive power
progressive
power
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 - Lifetime
Application number
FR0300105A
Other languages
English (en)
Other versions
FR2834568A1 (fr
Inventor
Chikara Yamamoto
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.)
Hoya Lens Thailand Ltd
Original Assignee
Pentax Corp
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 Pentax Corp filed Critical Pentax Corp
Publication of FR2834568A1 publication Critical patent/FR2834568A1/fr
Application granted granted Critical
Publication of FR2834568B1 publication Critical patent/FR2834568B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • G02C7/065—Properties on the principal line
    • 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)
  • Ophthalmology & Optometry (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Eyeglasses (AREA)
FR0300105A 2002-01-07 2003-01-07 Lunettes a puissance progressive Expired - Lifetime FR2834568B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002000268 2002-01-07

Publications (2)

Publication Number Publication Date
FR2834568A1 FR2834568A1 (fr) 2003-07-11
FR2834568B1 true FR2834568B1 (fr) 2010-09-10

Family

ID=19190466

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0300105A Expired - Lifetime FR2834568B1 (fr) 2002-01-07 2003-01-07 Lunettes a puissance progressive

Country Status (5)

Country Link
US (1) US6736505B2 (fr)
KR (1) KR20030060783A (fr)
DE (1) DE10300142B4 (fr)
FR (1) FR2834568B1 (fr)
GB (1) GB2383851A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10349726A1 (de) * 2003-10-23 2005-06-09 Rodenstock Gmbh Bildschirmarbeitsplatzglas
GB0504448D0 (en) * 2005-03-03 2005-04-06 Spurgeon Peter J C Optical apparatus and image processing

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5958415A (ja) * 1982-09-29 1984-04-04 Seiko Epson Corp 累進多焦点レンズ
JP2576054B2 (ja) 1988-02-29 1997-01-29 株式会社ニコン 累進多焦点レンズ
ES2080164T3 (es) * 1989-07-17 1996-02-01 Rodenstock Optik G Lente progresiva para gafas con efecto positivo de la parte para lejos.
DE4012609A1 (de) * 1990-04-19 1991-10-24 Zeiss Carl Fa Gleitsichtflaeche fuer eine gleitsichtbrillenlinse
US5719657A (en) 1993-11-19 1998-02-17 Asahi Kogaku Kogyo Kabushiki Kaisha Progressive power lens
JP3495437B2 (ja) 1993-11-19 2004-02-09 ペンタックス株式会社 累進多焦点レンズ
DE19780626D2 (de) * 1996-07-05 1998-07-02 Rodenstock Optik G Progressives Brillenglas
JP3605281B2 (ja) * 1998-03-18 2004-12-22 ペンタックス株式会社 累進多焦点レンズ

Also Published As

Publication number Publication date
GB0300281D0 (en) 2003-02-05
FR2834568A1 (fr) 2003-07-11
KR20030060783A (ko) 2003-07-16
US20030128331A1 (en) 2003-07-10
DE10300142A1 (de) 2003-07-10
GB2383851A (en) 2003-07-09
US6736505B2 (en) 2004-05-18
DE10300142B4 (de) 2014-07-31

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Legal Events

Date Code Title Description
TP Transmission of property
PLFP Fee payment

Year of fee payment: 14

PLFP Fee payment

Year of fee payment: 15

CA Change of address

Effective date: 20170609

CD Change of name or company name

Owner name: HOYA LENS THAILAND LTD., TH

Effective date: 20170609

TP Transmission of property

Owner name: HOYA LENS THAILAND LTD., TH

Effective date: 20170609

PLFP Fee payment

Year of fee payment: 16

PLFP Fee payment

Year of fee payment: 18

PLFP Fee payment

Year of fee payment: 19

PLFP Fee payment

Year of fee payment: 20