FR2206521B3 - - Google Patents

Info

Publication number
FR2206521B3
FR2206521B3 FR7339774A FR7339774A FR2206521B3 FR 2206521 B3 FR2206521 B3 FR 2206521B3 FR 7339774 A FR7339774 A FR 7339774A FR 7339774 A FR7339774 A FR 7339774A FR 2206521 B3 FR2206521 B3 FR 2206521B3
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
FR7339774A
Other versions
FR2206521A1 (fr
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.)
Rank Organization Ltd
Original Assignee
Rank Organization Ltd
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 Rank Organization Ltd filed Critical Rank Organization Ltd
Publication of FR2206521A1 publication Critical patent/FR2206521A1/fr
Application granted granted Critical
Publication of FR2206521B3 publication Critical patent/FR2206521B3/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B15/00—Optical objectives with means for varying the magnification
    • G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
    • G02B7/10—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lens Barrels (AREA)
  • Color Television Image Signal Generators (AREA)
FR7339774A 1972-11-15 1973-11-08 Expired FR2206521B3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5267372A GB1395968A (en) 1972-11-15 1972-11-15 Television cameras

Publications (2)

Publication Number Publication Date
FR2206521A1 FR2206521A1 (fr) 1974-06-07
FR2206521B3 true FR2206521B3 (fr) 1976-09-24

Family

ID=10464831

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7339774A Expired FR2206521B3 (fr) 1972-11-15 1973-11-08

Country Status (5)

Country Link
JP (1) JPS4982224A (fr)
DE (1) DE2357124A1 (fr)
FR (1) FR2206521B3 (fr)
GB (1) GB1395968A (fr)
NL (1) NL7313769A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2126824B (en) * 1982-09-09 1986-04-23 Link Electronics Ltd Camera tube compensation for varations of camera lens focal length

Also Published As

Publication number Publication date
FR2206521A1 (fr) 1974-06-07
JPS4982224A (fr) 1974-08-08
DE2357124A1 (de) 1974-05-22
NL7313769A (fr) 1974-05-17
GB1395968A (en) 1975-05-29

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Legal Events

Date Code Title Description
ST Notification of lapse