NL7200624A - - Google Patents

Info

Publication number
NL7200624A
NL7200624A NL7200624A NL7200624A NL7200624A NL 7200624 A NL7200624 A NL 7200624A NL 7200624 A NL7200624 A NL 7200624A NL 7200624 A NL7200624 A NL 7200624A NL 7200624 A NL7200624 A NL 7200624A
Authority
NL
Netherlands
Application number
NL7200624A
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 NL7200624A publication Critical patent/NL7200624A/xx

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
    • G06G7/25—Arrangements for performing computing operations, e.g. operational amplifiers for discontinuous functions, e.g. backlash, dead zone, limiting absolute value or peak value
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS 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
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/02—Bodies
    • G03B17/12—Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets
    • G03B17/14—Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets interchangeably
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D3/00—Control of position or direction
    • G05D3/12—Control of position or direction using feedback
    • G05D3/14—Control of position or direction using feedback using an analogue comparing device
    • G05D3/1427—Control of position or direction using feedback using an analogue comparing device with non-linear amplifier chain

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Nonlinear Science (AREA)
  • Automation & Control Theory (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
  • Lens Barrels (AREA)
  • Feedback Control In General (AREA)
  • Control Of Position Or Direction (AREA)
NL7200624A 1971-02-09 1972-01-17 NL7200624A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB425471 1971-02-09

Publications (1)

Publication Number Publication Date
NL7200624A true NL7200624A (enrdf_load_stackoverflow) 1972-08-11

Family

ID=9773648

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7200624A NL7200624A (enrdf_load_stackoverflow) 1971-02-09 1972-01-17

Country Status (4)

Country Link
DE (1) DE2165921A1 (enrdf_load_stackoverflow)
FR (1) FR2124586B1 (enrdf_load_stackoverflow)
GB (1) GB1332963A (enrdf_load_stackoverflow)
NL (1) NL7200624A (enrdf_load_stackoverflow)

Families Citing this family (2)

* 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
US4349771A (en) * 1979-09-26 1982-09-14 Lucas Industries Limited Stepper motor control circuit

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1220068A (en) * 1967-11-01 1971-01-20 Ultra Electronics Ltd Improvements in or relating to signal selection systems

Also Published As

Publication number Publication date
GB1332963A (en) 1973-10-10
FR2124586A1 (enrdf_load_stackoverflow) 1972-09-22
FR2124586B1 (enrdf_load_stackoverflow) 1974-08-02
DE2165921A1 (de) 1972-08-24

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