CH650083B - - Google Patents

Info

Publication number
CH650083B
CH650083B CH17880A CH17880A CH650083B CH 650083 B CH650083 B CH 650083B CH 17880 A CH17880 A CH 17880A CH 17880 A CH17880 A CH 17880A CH 650083 B CH650083 B CH 650083B
Authority
CH
Switzerland
Application number
CH17880A
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 CH650083B publication Critical patent/CH650083B/xx

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P3/00—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters
    • H02P3/06—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters for stopping or slowing an individual dynamo-electric motor or dynamo-electric converter
    • H02P3/08—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters for stopping or slowing an individual dynamo-electric motor or dynamo-electric converter for stopping or slowing a dc motor
    • H02P3/12—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters for stopping or slowing an individual dynamo-electric motor or dynamo-electric converter for stopping or slowing a dc motor by short-circuit or resistive braking
    • 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
    • G03B27/00—Photographic printing apparatus
    • G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
    • G03B27/34—Means for automatic focusing therefor

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Stepping Motors (AREA)
  • Control Of Multiple Motors (AREA)
  • Variable Magnification In Projection-Type Copying Machines (AREA)
  • Control Of Direct Current Motors (AREA)
  • Projection-Type Copiers In General (AREA)
CH17880A 1979-01-11 1980-01-10 CH650083B (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK11779A DK149352C (da) 1979-01-11 1979-01-11 Fremgangsmaade til indstilling af et forstoerrelsesapparat

Publications (1)

Publication Number Publication Date
CH650083B true CH650083B (fr) 1985-06-28

Family

ID=8089937

Family Applications (1)

Application Number Title Priority Date Filing Date
CH17880A CH650083B (fr) 1979-01-11 1980-01-10

Country Status (7)

Country Link
US (1) US4313676A (fr)
JP (2) JPS5595935A (fr)
CH (1) CH650083B (fr)
DE (1) DE2950933A1 (fr)
DK (1) DK149352C (fr)
GB (1) GB2040484B (fr)
NL (1) NL8000160A (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK161220C (da) * 1981-03-31 1991-11-25 Eskofot As Fremgangsmaade til indstilling af et billedgengivende apparat
JPS5825663A (ja) * 1981-08-08 1983-02-15 Canon Inc 複写装置
GB2119530B (en) * 1982-04-28 1985-10-30 Xerox Corp Variable magnification photocopying
US4505581A (en) * 1982-04-28 1985-03-19 Xerox Corporation Registration system for a photocopier
JPS5950433A (ja) * 1982-09-16 1984-03-23 Minolta Camera Co Ltd 引伸機の自動焦点調節装置
JP4144827B2 (ja) * 1999-09-21 2008-09-03 フジノン株式会社 像安定化装置
DE102004057066A1 (de) * 2004-11-25 2006-06-01 Daimlerchrysler Ag Elektromechanischer Antrieb

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1162910A (en) * 1967-05-18 1969-09-04 Rank Organisation Ltd Improvements in Camera Sytems
US3625607A (en) * 1969-05-22 1971-12-07 Warren Childers Automatic focusing camera
DE2136163A1 (de) * 1970-07-21 1972-02-10 Sidney R Littlejohn & Co Ltd , London Vorrichtung zur Steuerung der Positionierung eines Objektes und einer Linsenanordnung in einem Kamerasystem
US3673473A (en) * 1970-10-19 1972-06-27 Ibm Magnetic tape unit reel motor tension control
US3735686A (en) * 1970-12-18 1973-05-29 Sidney R Littlejohn & Co Ltd Camera systems
JPS5330278Y2 (fr) * 1971-08-09 1978-07-28
DE2225416A1 (de) * 1972-05-25 1973-12-06 Boeger Duplomat Apparate Kg Dr Verfahren zur einstellung einer reprokamera
NL7408750A (nl) * 1974-06-28 1975-12-30 Oce Van Der Grinten Nv Reproduktiecamera.
JPS5397418A (en) * 1977-02-07 1978-08-25 Dainippon Screen Mfg Method of copying machine camera*s automatic focusing and its equipment

Also Published As

Publication number Publication date
DK149352B (da) 1986-05-12
DE2950933A1 (de) 1980-07-24
JPS5595935A (en) 1980-07-21
JPH01166336U (fr) 1989-11-21
JPH0331957Y2 (fr) 1991-07-08
US4313676A (en) 1982-02-02
DE2950933C2 (fr) 1987-01-15
NL8000160A (nl) 1980-07-15
GB2040484B (en) 1983-01-26
DK149352C (da) 1986-11-03
DK11779A (da) 1980-07-12
GB2040484A (en) 1980-08-28

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