IT1045949B - COMPOSITE BOLARIZER DEVICE - Google Patents

COMPOSITE BOLARIZER DEVICE

Info

Publication number
IT1045949B
IT1045949B IT4973473A IT4973473A IT1045949B IT 1045949 B IT1045949 B IT 1045949B IT 4973473 A IT4973473 A IT 4973473A IT 4973473 A IT4973473 A IT 4973473A IT 1045949 B IT1045949 B IT 1045949B
Authority
IT
Italy
Prior art keywords
bolarizer
composite
composite bolarizer
bolarizer device
Prior art date
Application number
IT4973473A
Other languages
Italian (it)
Original Assignee
Polaroid 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
Priority claimed from US00249651A external-priority patent/US3833289A/en
Application filed by Polaroid Corp filed Critical Polaroid Corp
Application granted granted Critical
Publication of IT1045949B publication Critical patent/IT1045949B/en

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
    • G02C7/12—Polarisers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/00009—Production of simple or compound lenses
    • B29D11/00413—Production of simple or compound lenses made by moulding between two mould parts which are not in direct contact with one another, e.g. comprising a seal between or on the edges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/00009—Production of simple or compound lenses
    • B29D11/0048—Moulds for lenses
    • B29D11/00528—Consisting of two mould halves joined by an annular gasket
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/0073—Optical laminates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/00865—Applying coatings; tinting; colouring
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
    • G02B1/041—Lenses
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • G02B5/3025—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
    • G02B5/3033—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid
IT4973473A 1972-05-02 1973-04-30 COMPOSITE BOLARIZER DEVICE IT1045949B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00249651A US3833289A (en) 1970-05-28 1972-05-02 Composite light-polarizing element

Publications (1)

Publication Number Publication Date
IT1045949B true IT1045949B (en) 1980-06-10

Family

ID=22944419

Family Applications (1)

Application Number Title Priority Date Filing Date
IT4973473A IT1045949B (en) 1972-05-02 1973-04-30 COMPOSITE BOLARIZER DEVICE

Country Status (9)

Country Link
JP (1) JPS515304B2 (en)
AU (1) AU471257B2 (en)
BE (1) BE798980A (en)
CA (1) CA979251A (en)
DE (1) DE2321885C2 (en)
FR (1) FR2183109B1 (en)
GB (1) GB1427845A (en)
IT (1) IT1045949B (en)
NL (1) NL174708C (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0168498A4 (en) * 1984-01-04 1986-06-11 K Corp Of Japan Special lens for spectacles.
US6801360B2 (en) * 2002-10-28 2004-10-05 International Polarizer, Inc. Polarized lens formed by injection/coining injection molding process
FR2897693B1 (en) * 2006-02-23 2008-11-21 Essilor Int POLARIZING OPTICAL ELEMENT COMPRISING A POLARIZER FILM AND METHOD OF FARBINATING SUCH A ELEMENT

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2320375A (en) * 1939-07-18 1943-06-01 American Optical Corp Ophthalmic mounting and method of making the same
DE1925891C3 (en) * 1969-05-21 1982-01-14 Optische Werke G. Rodenstock, 8000 München Process for the production of multilayer, polarizing spectacle lenses from diallyl diglycol carbonate
FR2118305A5 (en) * 1970-12-14 1972-07-28 Vergo Sa
DE2118906C2 (en) * 1971-04-19 1982-05-06 Polaroid Corp., 02139 Cambridge, Mass. Polarizing, multilayer eyeglass lens
FR2134094A1 (en) * 1971-04-19 1972-12-08 Polaroid Corp Synthetic plastic correction lenses

Also Published As

Publication number Publication date
CA979251A (en) 1975-12-09
JPS515304B2 (en) 1976-02-19
AU471257B2 (en) 1976-04-15
FR2183109B1 (en) 1976-09-10
NL174708C (en) 1984-08-01
JPS4942362A (en) 1974-04-20
DE2321885A1 (en) 1973-11-15
DE2321885C2 (en) 1984-12-13
NL7306102A (en) 1973-11-06
FR2183109A1 (en) 1973-12-14
AU5493373A (en) 1974-10-31
BE798980A (en) 1973-11-05
GB1427845A (en) 1976-03-10
NL174708B (en) 1984-03-01

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