FR2148557B1 - - Google Patents

Info

Publication number
FR2148557B1
FR2148557B1 FR7228702A FR7228702A FR2148557B1 FR 2148557 B1 FR2148557 B1 FR 2148557B1 FR 7228702 A FR7228702 A FR 7228702A FR 7228702 A FR7228702 A FR 7228702A FR 2148557 B1 FR2148557 B1 FR 2148557B1
Authority
FR
France
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
Application number
FR7228702A
Other languages
French (fr)
Other versions
FR2148557A1 (ko
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of FR2148557A1 publication Critical patent/FR2148557A1/fr
Application granted granted Critical
Publication of FR2148557B1 publication Critical patent/FR2148557B1/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/02—Simple or compound lenses with non-spherical faces
    • G02B3/04—Simple or compound lenses with non-spherical faces with continuous faces that are rotationally symmetrical but deviate from a true sphere, e.g. so called "aspheric" lenses
    • 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
    • B29D11/00019—Production of simple or compound lenses with non-spherical faces, e.g. toric faces

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ophthalmology & Optometry (AREA)
  • Mechanical Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Prostheses (AREA)
FR7228702A 1971-08-09 1972-08-09 Expired FR2148557B1 (ko)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3735471 1971-08-09

Publications (2)

Publication Number Publication Date
FR2148557A1 FR2148557A1 (ko) 1973-03-23
FR2148557B1 true FR2148557B1 (ko) 1976-03-12

Family

ID=10395827

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7228702A Expired FR2148557B1 (ko) 1971-08-09 1972-08-09

Country Status (4)

Country Link
JP (1) JPS5644401B2 (ko)
DE (1) DE2238970A1 (ko)
FR (1) FR2148557B1 (ko)
GB (1) GB1343164A (ko)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4650275A (en) * 1983-06-15 1987-03-17 Jones Neal K Thin plastic corrector lenses for optical systems
EP0234632B1 (en) * 1986-02-13 1991-01-16 Koninklijke Philips Electronics N.V. Matrix for use in a replica process
JPH0425766Y2 (ko) * 1988-07-18 1992-06-22
JPH04280824A (ja) * 1991-03-06 1992-10-06 Canon Inc 光学素子の製造装置
JPH07191207A (ja) * 1993-11-17 1995-07-28 Asahi Optical Co Ltd 反射型複合光学素子
RU2179295C1 (ru) * 2000-08-22 2002-02-10 Айриян Юрий Аршакович Способ наведения, устройство системы наведения, устройство ее носителя визуализируемой информации, а также устройство ее ориентации и способ изготовления элемента ее визирной части

Also Published As

Publication number Publication date
FR2148557A1 (ko) 1973-03-23
DE2238970A1 (de) 1973-02-22
JPS5644401B2 (ko) 1981-10-19
GB1343164A (en) 1974-01-10
JPS4826150A (ko) 1973-04-05

Similar Documents

Publication Publication Date Title
AR196074A1 (ko)
FR2148557B1 (ko)
AU3005371A (ko)
AU2742671A (ko)
AU2952271A (ko)
AU2941471A (ko)
AU2894671A (ko)
AU2875571A (ko)
AU2938071A (ko)
AU2854371A (ko)
AU3038671A (ko)
AU2907471A (ko)
AU2927871A (ko)
AR199640Q (ko)
AU2837671A (ko)
AU2930871A (ko)
AU2486471A (ko)
AU2940971A (ko)
AU2836771A (ko)
AU2755871A (ko)
AU2880771A (ko)
AU2885171A (ko)
AU2963771A (ko)
AU3025871A (ko)
CH559499A5 (ko)

Legal Events

Date Code Title Description
ST Notification of lapse