BE814999A - Dispositif pour la selection et la projection de vues fixes - Google Patents

Dispositif pour la selection et la projection de vues fixes

Info

Publication number
BE814999A
BE814999A BE144288A BE144288A BE814999A BE 814999 A BE814999 A BE 814999A BE 144288 A BE144288 A BE 144288A BE 144288 A BE144288 A BE 144288A BE 814999 A BE814999 A BE 814999A
Authority
BE
Belgium
Prior art keywords
projection
selection
fixed views
views
fixed
Prior art date
Application number
BE144288A
Other languages
English (en)
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 BE814999A publication Critical patent/BE814999A/fr

Links

Classifications

    • 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
    • G03B23/00—Devices for changing pictures in viewing apparatus or projectors
    • G03B23/08—Devices for changing pictures in viewing apparatus or projectors in which pictures are attached to a movable carrier
    • G03B23/10—Devices for changing pictures in viewing apparatus or projectors in which pictures are attached to a movable carrier drum or disc carrier
    • G03B23/105—Devices for changing pictures in viewing apparatus or projectors in which pictures are attached to a movable carrier drum or disc carrier disc carriers
    • 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
    • G03B23/00—Devices for changing pictures in viewing apparatus or projectors
    • 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
    • G05B19/27—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 absolute digital measuring device
    • G05B19/29—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 absolute digital measuring device for point-to-point control
    • G05B19/291—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 absolute digital measuring device for point-to-point control the positional error is used to control continuously the servomotor according to its magnitude

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Manufacturing & Machinery (AREA)
  • Automation & Control Theory (AREA)
  • Projection Apparatus (AREA)
  • Facsimile Scanning Arrangements (AREA)
BE144288A 1973-05-18 1974-05-14 Dispositif pour la selection et la projection de vues fixes BE814999A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7318203A FR2230254A5 (fr) 1973-05-18 1973-05-18

Publications (1)

Publication Number Publication Date
BE814999A true BE814999A (fr) 1974-09-02

Family

ID=9119590

Family Applications (1)

Application Number Title Priority Date Filing Date
BE144288A BE814999A (fr) 1973-05-18 1974-05-14 Dispositif pour la selection et la projection de vues fixes

Country Status (7)

Country Link
JP (1) JPS5042846A (fr)
BE (1) BE814999A (fr)
DE (1) DE2423942A1 (fr)
ES (1) ES426917A1 (fr)
FR (1) FR2230254A5 (fr)
IT (1) IT1012640B (fr)
NL (1) NL7406614A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4297009A (en) * 1980-01-11 1981-10-27 Technicare Corporation Image storage and display
US4422026A (en) * 1981-12-31 1983-12-20 Bell & Howell Company Servo control arrangement utilizing alternately energized light sources and a single photodetector
CN110058513B (zh) * 2019-05-28 2023-07-28 酷罗米(深圳)科技有限公司 一种可以自动校正指针偏差的智能手表及其校正方法

Also Published As

Publication number Publication date
NL7406614A (fr) 1974-11-20
JPS5042846A (fr) 1975-04-18
FR2230254A5 (fr) 1974-12-13
IT1012640B (it) 1977-03-10
DE2423942A1 (de) 1974-12-05
ES426917A1 (es) 1976-09-16

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