FR494513A - Method and apparatus for determining the location of submarines, airplanes and the like - Google Patents

Method and apparatus for determining the location of submarines, airplanes and the like

Info

Publication number
FR494513A
FR494513A FR494513A FR494513DA FR494513A FR 494513 A FR494513 A FR 494513A FR 494513 A FR494513 A FR 494513A FR 494513D A FR494513D A FR 494513DA FR 494513 A FR494513 A FR 494513A
Authority
FR
France
Prior art keywords
submarines
airplanes
location
determining
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
FR494513A
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.)
Submarine Signal Co
Original Assignee
Submarine Signal Co
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 Submarine Signal Co filed Critical Submarine Signal Co
Application granted granted Critical
Publication of FR494513A publication Critical patent/FR494513A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63GOFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS; MINE-LAYING; MINE-SWEEPING; SUBMARINES; AIRCRAFT CARRIERS
    • B63G9/00Other offensive or defensive arrangements on vessels against submarines, torpedoes, or mines
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B45/00Arrangements or adaptations of signalling or lighting devices
    • B63B45/02Arrangements or adaptations of signalling or lighting devices the devices being intended to illuminate the way ahead or other areas of environments

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
FR494513A 1917-09-26 1919-01-07 Method and apparatus for determining the location of submarines, airplanes and the like Expired FR494513A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US494513XA 1917-09-26 1917-09-26

Publications (1)

Publication Number Publication Date
FR494513A true FR494513A (en) 1919-09-11

Family

ID=1530145

Family Applications (1)

Application Number Title Priority Date Filing Date
FR494513A Expired FR494513A (en) 1917-09-26 1919-01-07 Method and apparatus for determining the location of submarines, airplanes and the like

Country Status (1)

Country Link
FR (1) FR494513A (en)

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