JPS4867682A - - Google Patents

Info

Publication number
JPS4867682A
JPS4867682A JP12582272A JP12582272A JPS4867682A JP S4867682 A JPS4867682 A JP S4867682A JP 12582272 A JP12582272 A JP 12582272A JP 12582272 A JP12582272 A JP 12582272A JP S4867682 A JPS4867682 A JP S4867682A
Authority
JP
Japan
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.)
Pending
Application number
JP12582272A
Other languages
Japanese (ja)
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 filed Critical
Publication of JPS4867682A publication Critical patent/JPS4867682A/ja
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D3/00Control of position or direction
    • G05D3/12Control of position or direction using feedback
    • G05D3/14Control of position or direction using feedback using an analogue comparing device
    • G05D3/1427Control of position or direction using feedback using an analogue comparing device with non-linear amplifier chain
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/28Systems for automatic generation of focusing signals
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B17/00Details of cameras or camera bodies; Accessories therefor
    • G03B17/02Bodies
    • G03B17/12Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets
    • G03B17/14Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets interchangeably

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Control Of Position Or Direction (AREA)
  • Control Of Velocity Or Acceleration (AREA)
  • Lens Barrels (AREA)
JP12582272A 1971-12-17 1972-12-16 Pending JPS4867682A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5867071A GB1382057A (en) 1971-12-17 1971-12-17 Servomechanisms

Publications (1)

Publication Number Publication Date
JPS4867682A true JPS4867682A (xx) 1973-09-14

Family

ID=10482149

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12582272A Pending JPS4867682A (xx) 1971-12-17 1972-12-16

Country Status (5)

Country Link
JP (1) JPS4867682A (xx)
DE (1) DE2261514A1 (xx)
FR (1) FR2178549A5 (xx)
GB (1) GB1382057A (xx)
NL (1) NL7214983A (xx)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63118024U (xx) * 1987-01-27 1988-07-30

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5552007A (en) * 1978-10-11 1980-04-16 Canon Inc Lens driving device with limitation of movable position
SE440129B (sv) 1979-06-20 1985-07-15 Akermans Verkstad Ab Anordning for att reducera kolvhastigheten i en cylinder, da kolven nermar sig endlegena
JPS58110778A (ja) * 1981-12-23 1983-07-01 ワイケイケイ株式会社 自動開閉扉の制御装置
SE459878B (sv) * 1985-01-07 1989-08-14 Akermans Verkstad Ab Foerfarande och anordning foer att reducera kolvhastigheten i speciellt en arbetsmaskins kolv- och cylinderaggregat
GB9223827D0 (en) * 1992-11-13 1993-01-06 Fermec Mfg Ltd System for controlling the speed of a piston in a piston and cylinder assembly
DE10256923B4 (de) 2002-12-05 2013-10-24 Liebherr-France S.A. Verfahren und Vorrichtung zur Bewegungsdämpfung von Hydraulikzylindern mobiler Arbeitsmaschinen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63118024U (xx) * 1987-01-27 1988-07-30

Also Published As

Publication number Publication date
DE2261514A1 (de) 1973-06-20
GB1382057A (en) 1975-01-29
NL7214983A (xx) 1973-06-19
FR2178549A5 (xx) 1973-11-09

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