AT293750B - Control tube - Google Patents

Control tube

Info

Publication number
AT293750B
AT293750B AT1028969A AT1028969A AT293750B AT 293750 B AT293750 B AT 293750B AT 1028969 A AT1028969 A AT 1028969A AT 1028969 A AT1028969 A AT 1028969A AT 293750 B AT293750 B AT 293750B
Authority
AT
Austria
Prior art keywords
control tube
tube
control
Prior art date
Application number
AT1028969A
Other languages
German (de)
Inventor
Franz Ing Koenigslehner
Hanns Ing Plihal
Original Assignee
Eumig
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 Eumig filed Critical Eumig
Priority to AT1028969A priority Critical patent/AT293750B/en
Priority to US00083990A priority patent/US3715929A/en
Priority to DE702053047A priority patent/DE2053047C3/en
Application granted granted Critical
Publication of AT293750B publication Critical patent/AT293750B/en

Links

Classifications

    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/21—Elements
    • Y10T74/2101—Cams
AT1028969A 1969-10-31 1969-10-31 Control tube AT293750B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AT1028969A AT293750B (en) 1969-10-31 1969-10-31 Control tube
US00083990A US3715929A (en) 1969-10-31 1970-10-26 Cam barrel for holding at least one displaceable lens element
DE702053047A DE2053047C3 (en) 1969-10-31 1970-10-29 Control tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT1028969A AT293750B (en) 1969-10-31 1969-10-31 Control tube

Publications (1)

Publication Number Publication Date
AT293750B true AT293750B (en) 1971-10-25

Family

ID=3621318

Family Applications (1)

Application Number Title Priority Date Filing Date
AT1028969A AT293750B (en) 1969-10-31 1969-10-31 Control tube

Country Status (3)

Country Link
US (1) US3715929A (en)
AT (1) AT293750B (en)
DE (1) DE2053047C3 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6049432A (en) * 1993-06-07 2000-04-11 Nikon Corporation Zoom lens barrel
CN1069974C (en) * 1995-02-08 2001-08-22 佳能株式会社 Lens tube and optical instrument

Also Published As

Publication number Publication date
DE2053047B2 (en) 1978-06-29
US3715929A (en) 1973-02-13
DE2053047A1 (en) 1971-05-13
DE2053047C3 (en) 1979-03-08

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee