FR741543A - - Google Patents

Info

Publication number
FR741543A
FR741543A FR741543DA FR741543A FR 741543 A FR741543 A FR 741543A FR 741543D A FR741543D A FR 741543DA FR 741543 A FR741543 A FR 741543A
Authority
FR
France
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)
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.)
Publication date
Application granted granted Critical
Publication of FR741543A publication Critical patent/FR741543A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
    • H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
    • H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M7/505—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means
    • H02M7/51—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using discharge tubes only
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
    • G02B23/16—Housings; Caps; Mountings; Supports, e.g. with counterweight
    • G02B23/18—Housings; Caps; Mountings; Supports, e.g. with counterweight for binocular arrangements

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Stand-By Power Supply Arrangements (AREA)
FR741543D 1931-08-29 Expired FR741543A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE397674X 1931-08-29

Publications (1)

Publication Number Publication Date
FR741543A true FR741543A (ja) 1933-02-10

Family

ID=6397239

Family Applications (2)

Application Number Title Priority Date Filing Date
FR741543D Expired FR741543A (ja) 1931-08-29
FR397674D Expired FR397674A (fr) 1908-02-12 1908-12-21 Instrument additionnel servant à transformer un instrument monoculaire en un instrument binoculaire

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR397674D Expired FR397674A (fr) 1908-02-12 1908-12-21 Instrument additionnel servant à transformer un instrument monoculaire en un instrument binoculaire

Country Status (2)

Country Link
FR (2) FR397674A (ja)
GB (1) GB397674A (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1494082A (en) * 1974-02-20 1977-12-07 Secr Social Service Brit Viewing devices
CH565544A5 (ja) * 1974-03-26 1975-08-29 Storz Endoskop Gmbh

Also Published As

Publication number Publication date
GB397674A (en) 1933-08-31
FR397674A (fr) 1909-05-14

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