GB1573640A - Cam tubes - Google Patents

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Info

Publication number
GB1573640A
GB1573640A GB5022077A GB5022077A GB1573640A GB 1573640 A GB1573640 A GB 1573640A GB 5022077 A GB5022077 A GB 5022077A GB 5022077 A GB5022077 A GB 5022077A GB 1573640 A GB1573640 A GB 1573640A
Authority
GB
United Kingdom
Prior art keywords
tube
cam tube
cam
auxiliary
lens
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
Application number
GB5022077A
Other languages
English (en)
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB1573640A publication Critical patent/GB1573640A/en
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
    • 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)
  • Moulds For Moulding Plastics Or The Like (AREA)
GB5022077A 1976-12-22 1977-12-02 Cam tubes Expired GB1573640A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT951876A AT355799B (de) 1976-12-22 1976-12-22 Verfahren zur herstellung eines steuertubus aus kunststoff

Publications (1)

Publication Number Publication Date
GB1573640A true GB1573640A (en) 1980-08-28

Family

ID=3614866

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5022077A Expired GB1573640A (en) 1976-12-22 1977-12-02 Cam tubes

Country Status (5)

Country Link
JP (1) JPS5380226A (de)
AT (1) AT355799B (de)
DE (1) DE2756481A1 (de)
FR (1) FR2375613A1 (de)
GB (1) GB1573640A (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS561138A (en) * 1979-06-19 1981-01-08 Olympus Optical Co Regulator for focus of endoscope
JPS59121627U (ja) * 1983-02-04 1984-08-16 株式会社測機舎 望遠鏡の合焦機構
JPH02285310A (ja) * 1989-04-26 1990-11-22 Asahi Optical Co Ltd レンズ鏡筒のカム環の製造方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1604528A1 (de) * 1966-06-16 1970-11-12 Bayer Ag Formkern zur Herstellung von Hohlkoerpern aller Art
CH530249A (de) * 1971-10-22 1972-11-15 Liechti Fritz Dipl Ing Dr Verfahren zur Herstellung von Formteilen aus Kunststoffen mit komplizierten Aussparungen und Hohlräumen
US3744884A (en) * 1971-11-02 1973-07-10 Bell & Howell Co Lens mount assembly for focusable, variable focal length lens
DE2200740A1 (de) * 1972-01-07 1973-07-12 Rudolf Messerschmitt Kg Kern fuer rohrboegen aus kunststoff
DE2255048A1 (de) * 1972-11-10 1974-05-09 Isco Optische Werke Gmbh Kunststoff-fassung fuer objektive mit veraenderbarer brennweite
JPS52506B2 (de) * 1972-12-04 1977-01-08

Also Published As

Publication number Publication date
FR2375613A1 (fr) 1978-07-21
DE2756481A1 (de) 1978-06-29
JPS5380226A (en) 1978-07-15
ATA951876A (de) 1979-08-15
AT355799B (de) 1980-03-25

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee