FR926376A - Improvements to underwater signaling devices - Google Patents

Improvements to underwater signaling devices

Info

Publication number
FR926376A
FR926376A FR926376DA FR926376A FR 926376 A FR926376 A FR 926376A FR 926376D A FR926376D A FR 926376DA FR 926376 A FR926376 A FR 926376A
Authority
FR
France
Prior art keywords
signaling devices
underwater signaling
underwater
devices
signaling
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.)
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 FR926376A publication Critical patent/FR926376A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/523—Details of pulse systems
    • G01S7/526—Receivers
    • G01S7/527—Extracting wanted echo signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
FR926376D 1946-05-07 1946-05-07 Improvements to underwater signaling devices Expired FR926376A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR926376T 1946-05-07

Publications (1)

Publication Number Publication Date
FR926376A true FR926376A (en) 1947-09-30

Family

ID=9440502

Family Applications (1)

Application Number Title Priority Date Filing Date
FR926376D Expired FR926376A (en) 1946-05-07 1946-05-07 Improvements to underwater signaling devices

Country Status (1)

Country Link
FR (1) FR926376A (en)

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