HK34286A - Control circuit for an optical zooming device - Google Patents

Control circuit for an optical zooming device

Info

Publication number
HK34286A
HK34286A HK34286A HK34286A HK34286A HK 34286 A HK34286 A HK 34286A HK 34286 A HK34286 A HK 34286A HK 34286 A HK34286 A HK 34286A HK 34286 A HK34286 A HK 34286A
Authority
HK
Hong Kong
Prior art keywords
control circuit
optical zooming
zooming device
optical
circuit
Prior art date
Application number
HK34286A
Inventor
Hisao Iwanade
Original Assignee
Asahi Optical Co 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 Asahi Optical Co Ltd filed Critical Asahi Optical Co Ltd
Publication of HK34286A publication Critical patent/HK34286A/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
    • G02B7/102—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 controlled by a microcomputer
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
    • G05B19/19—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by positioning or contouring control systems, e.g. to control position from one programmed point to another or to control movement along a programmed continuous path
    • G05B19/33—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by positioning or contouring control systems, e.g. to control position from one programmed point to another or to control movement along a programmed continuous path using an analogue measuring device
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/34—Director, elements to supervisory
    • G05B2219/34215—Microprocessor
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/37—Measurements
    • G05B2219/37462—Resistor, potentiometers
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/41—Servomotor, servo controller till figures
    • G05B2219/41326—Step motor
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/41—Servomotor, servo controller till figures
    • G05B2219/41363—Excess in error, error too large, follow up error

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Manufacturing & Machinery (AREA)
  • Automation & Control Theory (AREA)
  • General Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Lens Barrels (AREA)
  • Control Of Stepping Motors (AREA)
HK34286A 1980-07-29 1986-05-15 Control circuit for an optical zooming device HK34286A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10401280A JPS5729034A (en) 1980-07-29 1980-07-29 Control circuit of zoom device

Publications (1)

Publication Number Publication Date
HK34286A true HK34286A (en) 1986-05-23

Family

ID=14369346

Family Applications (1)

Application Number Title Priority Date Filing Date
HK34286A HK34286A (en) 1980-07-29 1986-05-15 Control circuit for an optical zooming device

Country Status (4)

Country Link
JP (1) JPS5729034A (en)
DE (1) DE3127794C2 (en)
GB (1) GB2083655B (en)
HK (1) HK34286A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8315878D0 (en) * 1983-06-09 1983-07-13 Barr & Stroud Ltd Zoom lens assembly
US5029992A (en) * 1988-07-26 1991-07-09 Morpheus Lights, Inc. Motor-controlled lens system
JPH03236020A (en) * 1990-02-14 1991-10-22 Asahi Optical Co Ltd Camera with zoom lens
JPH03253826A (en) * 1990-03-05 1991-11-12 Asahi Optical Co Ltd Automatic photographing device for camera
FR2768275B1 (en) * 1997-09-11 1999-11-05 Eaton Sa Monaco STEP-BY-STEP ELECTROMECHANICAL ACTUATOR IN POSITION

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2220800A1 (en) * 1973-03-06 1974-10-04 Canon Kk
DE2628386B2 (en) * 1976-06-24 1980-02-14 Messer Griesheim Gmbh, 6000 Frankfurt Planetary roller wire feed gear for arc welding machines
JPS58988B2 (en) * 1978-09-08 1983-01-08 株式会社写研 phototypesetting machine

Also Published As

Publication number Publication date
JPS5729034A (en) 1982-02-16
DE3127794A1 (en) 1982-03-25
GB2083655B (en) 1984-10-10
GB2083655A (en) 1982-03-24
DE3127794C2 (en) 1985-10-24

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Legal Events

Date Code Title Description
PE Patent expired