NL7107504A - - Google Patents

Info

Publication number
NL7107504A
NL7107504A NL7107504A NL7107504A NL7107504A NL 7107504 A NL7107504 A NL 7107504A NL 7107504 A NL7107504 A NL 7107504A NL 7107504 A NL7107504 A NL 7107504A NL 7107504 A NL7107504 A NL 7107504A
Authority
NL
Netherlands
Application number
NL7107504A
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 filed Critical
Priority to NL7107504A priority Critical patent/NL7107504A/xx
Publication of NL7107504A publication Critical patent/NL7107504A/xx

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
    • 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
    • B24B13/06—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor grinding of lenses, the tool or work being controlled by information-carrying means, e.g. patterns, punched tapes, magnetic tapes
    • B24B13/065—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor grinding of lenses, the tool or work being controlled by information-carrying means, e.g. patterns, punched tapes, magnetic tapes using a template

Landscapes

  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
NL7107504A 1971-06-01 1971-06-01 NL7107504A (da)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NL7107504A NL7107504A (da) 1971-06-01 1971-06-01

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7107504A NL7107504A (da) 1971-06-01 1971-06-01

Publications (1)

Publication Number Publication Date
NL7107504A true NL7107504A (da) 1972-12-05

Family

ID=19813288

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7107504A NL7107504A (da) 1971-06-01 1971-06-01

Country Status (1)

Country Link
NL (1) NL7107504A (da)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3018578A1 (de) * 1979-05-18 1980-11-27 Younger Mfg Ophthalmische progressive linse sowie verfahren zu ihrer herstellung
FR2499725A1 (fr) * 1981-02-09 1982-08-13 American Optical Corp Lentilles ophtalmiques a puissance progressive
DE3116524A1 (de) * 1981-02-09 1982-08-19 American Optical Corp., 01550 Southbridge, Mass. Brillenglas mit progressiv zunehmender brechkraft
US4861153A (en) * 1986-12-19 1989-08-29 American Optical Corporation Progressive addition spectacle lens
DE4342234A1 (de) * 1992-12-11 1994-06-16 Essilor Int Gleitsichtbrillenlinse
DE4311215A1 (de) * 1993-04-05 1994-10-06 Rodenstock Optik G Brillenglas

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3018578A1 (de) * 1979-05-18 1980-11-27 Younger Mfg Ophthalmische progressive linse sowie verfahren zu ihrer herstellung
FR2499725A1 (fr) * 1981-02-09 1982-08-13 American Optical Corp Lentilles ophtalmiques a puissance progressive
DE3116524A1 (de) * 1981-02-09 1982-08-19 American Optical Corp., 01550 Southbridge, Mass. Brillenglas mit progressiv zunehmender brechkraft
US4861153A (en) * 1986-12-19 1989-08-29 American Optical Corporation Progressive addition spectacle lens
DE4342234A1 (de) * 1992-12-11 1994-06-16 Essilor Int Gleitsichtbrillenlinse
DE4342234C2 (de) * 1992-12-11 1998-07-02 Essilor Int Gleitsichtbrillenlinse
DE4311215A1 (de) * 1993-04-05 1994-10-06 Rodenstock Optik G Brillenglas

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