FR456525A - Perfectionnements aux appareils à signaux sous-marins - Google Patents

Perfectionnements aux appareils à signaux sous-marins

Info

Publication number
FR456525A
FR456525A FR456525A FR456525DA FR456525A FR 456525 A FR456525 A FR 456525A FR 456525 A FR456525 A FR 456525A FR 456525D A FR456525D A FR 456525DA FR 456525 A FR456525 A FR 456525A
Authority
FR
France
Prior art keywords
signal devices
underwater signal
underwater
devices
signal
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
FR456525A
Other languages
English (en)
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 WIRELESS Co
Original Assignee
SUBMARINE WIRELESS 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 WIRELESS Co filed Critical SUBMARINE WIRELESS Co
Application granted granted Critical
Publication of FR456525A publication Critical patent/FR456525A/fr
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
    • G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/72—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using ultrasonic, sonic or infrasonic waves

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
FR456525A 1913-02-21 1913-04-10 Perfectionnements aux appareils à signaux sous-marins Expired FR456525A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US456525XA 1913-02-21 1913-02-21

Publications (1)

Publication Number Publication Date
FR456525A true FR456525A (fr) 1913-08-28

Family

ID=32577955

Family Applications (1)

Application Number Title Priority Date Filing Date
FR456525A Expired FR456525A (fr) 1913-02-21 1913-04-10 Perfectionnements aux appareils à signaux sous-marins

Country Status (2)

Country Link
FR (1) FR456525A (fr)
GB (1) GB191305250A (fr)

Also Published As

Publication number Publication date
GB191305250A (en) 1914-02-19

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