GB190906240A - Improvements in or relating to Apparatus for Producing and Locating Sounds for Fog Signalling. - Google Patents

Improvements in or relating to Apparatus for Producing and Locating Sounds for Fog Signalling.

Info

Publication number
GB190906240A
GB190906240A GB190906240DA GB190906240A GB 190906240 A GB190906240 A GB 190906240A GB 190906240D A GB190906240D A GB 190906240DA GB 190906240 A GB190906240 A GB 190906240A
Authority
GB
United Kingdom
Prior art keywords
ship
sound
megaphone
amplitude
greatest
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
English (en)
Inventor
James Louis Warren
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of GB190906240A publication Critical patent/GB190906240A/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
    • 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)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
GB190906240D 1909-03-16 1909-03-16 Improvements in or relating to Apparatus for Producing and Locating Sounds for Fog Signalling. Expired GB190906240A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB190906240T 1909-03-16

Publications (1)

Publication Number Publication Date
GB190906240A true GB190906240A (en) 1910-03-16

Family

ID=32554038

Family Applications (1)

Application Number Title Priority Date Filing Date
GB190906240D Expired GB190906240A (en) 1909-03-16 1909-03-16 Improvements in or relating to Apparatus for Producing and Locating Sounds for Fog Signalling.

Country Status (3)

Country Link
DE (1) DE230473C (enrdf_load_stackoverflow)
FR (1) FR402090A (enrdf_load_stackoverflow)
GB (1) GB190906240A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
DE230473C (enrdf_load_stackoverflow)
FR402090A (fr) 1909-09-25

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