FR400435A - Photographic copy machine - Google Patents

Photographic copy machine

Info

Publication number
FR400435A
FR400435A FR400435DA FR400435A FR 400435 A FR400435 A FR 400435A FR 400435D A FR400435D A FR 400435DA FR 400435 A FR400435 A FR 400435A
Authority
FR
France
Prior art keywords
copy machine
photographic copy
photographic
machine
copy
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
E A Schwerdtfeger & Cie Ste
Original Assignee
E A Schwerdtfeger & Cie Ste
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 E A Schwerdtfeger & Cie Ste filed Critical E A Schwerdtfeger & Cie Ste
Application granted granted Critical
Publication of FR400435A publication Critical patent/FR400435A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K19/00—Synchronous motors or generators
    • H02K19/02—Synchronous motors
    • H02K19/04—Synchronous motors for single-phase current
    • H02K19/06—Motors having windings on the stator and a variable-reluctance soft-iron rotor without windings, e.g. inductor motors
    • 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
    • G03B27/02—Exposure apparatus for contact printing
    • G03B27/04—Copying apparatus without a relative movement between the original and the light source during exposure, e.g. printing frame or printing box
    • G03B27/06—Copying apparatus without a relative movement between the original and the light source during exposure, e.g. printing frame or printing box for automatic repeated copying of the same original

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Windings For Motors And Generators (AREA)
FR400435D 1908-03-11 1909-03-08 Photographic copy machine Expired FR400435A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE400435X 1932-09-29

Publications (1)

Publication Number Publication Date
FR400435A true FR400435A (en) 1909-07-27

Family

ID=6400019

Family Applications (1)

Application Number Title Priority Date Filing Date
FR400435D Expired FR400435A (en) 1908-03-11 1909-03-08 Photographic copy machine

Country Status (2)

Country Link
FR (1) FR400435A (en)
GB (1) GB400435A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2997611A (en) * 1956-07-02 1961-08-22 Jacob S Feiner Annular hysteresis electric motor
GB2491365A (en) * 2011-05-31 2012-12-05 Mclaren Automotive Ltd Reluctance machines

Also Published As

Publication number Publication date
GB400435A (en) 1933-10-26

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