CH581331A5 - - Google Patents

Info

Publication number
CH581331A5
CH581331A5 CH396273A CH396273A CH581331A5 CH 581331 A5 CH581331 A5 CH 581331A5 CH 396273 A CH396273 A CH 396273A CH 396273 A CH396273 A CH 396273A CH 581331 A5 CH581331 A5 CH 581331A5
Authority
CH
Switzerland
Application number
CH396273A
Original Assignee
Irissou Pierre Regis Marie Hen
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 Irissou Pierre Regis Marie Hen filed Critical Irissou Pierre Regis Marie Hen
Publication of CH581331A5 publication Critical patent/CH581331A5/xx

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
    • G03B19/00—Cameras
    • G03B19/18—Motion-picture cameras
    • 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
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/32—Details specially adapted for motion-picture projection
    • G03B21/40—Eliminating or reducing effect of flicker
    • 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
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/32—Details specially adapted for motion-picture projection
    • G03B21/50—Control devices operated by the film strip during the run

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Of Stepping Motors (AREA)
  • Projection Apparatus (AREA)
CH396273A 1972-03-23 1973-03-19 CH581331A5 (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7210192A FR2177201A5 (xx) 1972-03-23 1972-03-23

Publications (1)

Publication Number Publication Date
CH581331A5 true CH581331A5 (xx) 1976-10-29

Family

ID=9095692

Family Applications (1)

Application Number Title Priority Date Filing Date
CH396273A CH581331A5 (xx) 1972-03-23 1973-03-19

Country Status (15)

Country Link
US (1) US3849715A (xx)
JP (1) JPS535931B2 (xx)
AT (1) AT349890B (xx)
AU (1) AU476890B2 (xx)
BE (1) BE797179A (xx)
CA (1) CA981946A (xx)
CH (1) CH581331A5 (xx)
DD (1) DD104143A5 (xx)
DE (1) DE2314599C3 (xx)
FR (1) FR2177201A5 (xx)
GB (1) GB1424042A (xx)
HK (1) HK8677A (xx)
IT (1) IT981557B (xx)
NL (1) NL152991B (xx)
SE (1) SE388947B (xx)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1603841C3 (de) * 1967-08-11 1982-02-25 Hilti AG, 9494 Schaan Pulverkraftbetriebenes Setzgerät zum Eintreiben von Befestigungselementen
JPS5255611A (en) * 1975-10-31 1977-05-07 Matsushita Electric Ind Co Ltd Magnetic recording and playback apparatus
JPS5395837U (xx) * 1977-01-05 1978-08-04
FR2430627A1 (fr) * 1978-07-06 1980-02-01 Dubos Jean Dispositif d'entrainement et d'obturation pour appareils de prise de vues, de vision, de projection de films petits formats
JPS60132344U (ja) * 1984-02-15 1985-09-04 シャープ株式会社 プリンタにおける用紙送り装置
DE3719560A1 (de) * 1987-06-11 1988-12-29 Bayerische Motoren Werke Ag Positioniereinrichtung
EP1998434A2 (en) * 2007-05-28 2008-12-03 Seiko Epson Corporation Drive control circuit for electric motor and elctric motor equipped with same

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3385984A (en) * 1965-03-29 1968-05-28 Gen Precision Inc Variable reluctance stepper motor damper
US3593097A (en) * 1969-06-24 1971-07-13 Chandler Evans Inc Digital proportional servosystem
US3626269A (en) * 1969-08-25 1971-12-07 Calma Co Stepping motor drive
US3628119A (en) * 1970-04-22 1971-12-14 Ibm Two-speed by-directional, closed loop stepper motor control circuit
US3660746A (en) * 1970-06-09 1972-05-02 Ex Cell O Corp A stepping motor damping system
US3752959A (en) * 1971-12-20 1973-08-14 Superior Electric Co Perforated tape reader

Also Published As

Publication number Publication date
US3849715A (en) 1974-11-19
CA981946A (en) 1976-01-20
BE797179A (fr) 1973-09-24
JPS535931B2 (xx) 1978-03-03
DD104143A5 (xx) 1974-02-20
GB1424042A (en) 1976-02-04
NL152991B (nl) 1977-04-15
JPS498225A (xx) 1974-01-24
SE388947B (sv) 1976-10-18
DE2314599B2 (xx) 1978-09-21
ATA233073A (de) 1978-09-15
DE2314599A1 (de) 1973-10-11
HK8677A (en) 1977-02-17
NL7303938A (xx) 1973-09-25
FR2177201A5 (xx) 1973-11-02
AT349890B (de) 1979-04-25
IT981557B (it) 1974-10-10
AU5343573A (en) 1974-09-19
DE2314599C3 (de) 1979-05-23
AU476890B2 (en) 1976-10-07

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Legal Events

Date Code Title Description
PL Patent ceased