FR24959E - Improvements to sound sounding devices on board ships - Google Patents

Improvements to sound sounding devices on board ships

Info

Publication number
FR24959E
FR24959E FR24959A FR24959DA FR24959E FR 24959 E FR24959 E FR 24959E FR 24959 A FR24959 A FR 24959A FR 24959D A FR24959D A FR 24959DA FR 24959 E FR24959 E FR 24959E
Authority
FR
France
Prior art keywords
board ships
sounding devices
sound sounding
sound
ships
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
FR24959A
Other languages
French (fr)
Inventor
Andre Blondel
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 FR24959E publication Critical patent/FR24959E/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
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/06—Systems determining the position data of a target
    • G01S15/08—Systems for measuring distance only
    • G01S15/10—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Acoustics & Sound (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
FR24959A 1921-01-21 1921-01-21 Improvements to sound sounding devices on board ships Expired FR24959E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR24959T 1921-01-21

Publications (1)

Publication Number Publication Date
FR24959E true FR24959E (en) 1922-11-18

Family

ID=8663522

Family Applications (2)

Application Number Title Priority Date Filing Date
FR514208A Expired FR514208A (en) 1921-01-21 1920-04-21 Improvements to sound sounding devices on board ships
FR24959A Expired FR24959E (en) 1921-01-21 1921-01-21 Improvements to sound sounding devices on board ships

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR514208A Expired FR514208A (en) 1921-01-21 1920-04-21 Improvements to sound sounding devices on board ships

Country Status (2)

Country Link
FR (2) FR514208A (en)
GB (1) GB161988A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE908111C (en) * 1938-04-26 1954-04-01 Atlas Werke Ag Device for measuring distances using the echo method
US2415880A (en) * 1944-07-31 1947-02-18 Halliburton Oil Well Cementing Electrical system for use with recording meters

Also Published As

Publication number Publication date
FR514208A (en) 1921-03-05
GB161988A (en) 1922-01-05

Similar Documents

Publication Publication Date Title
FR24959E (en) Improvements to sound sounding devices on board ships
FR604370A (en) Improvements to sound reproducing devices
FR536068A (en) Improvements to well boats
FR29525E (en) Improvements to acoustic devices
FR534861A (en) Improvements to sound recording devices
FR540973A (en) Addition to saxophones
FR538744A (en) Improvements to magnetic blowing devices
FR559030A (en) Screwdriver Device Enhancements
FR539231A (en) Improvements to ship propulsion systems
FR536877A (en) Improvements to acoustic signaling devices for boats
FR554756A (en) Carburetor improvements
FR534948A (en) Carburetor improvements
FR536008A (en) Clarinet refinements
FR535076A (en) Lentil enhancements
FR605491A (en) Improvements to sound reproduction systems
FR560300A (en) Improvements to cutting devices
FR556999A (en) Improvements to mechanical telegraphs for ships
FR544526A (en) Boats
FR529822A (en) Sword refinements
FR541418A (en) Improvements to air vessels
FR551492A (en) Improvements to piezoelectric devices
FR538727A (en) Diaphragm enhancements
FR536024A (en) Acoustic reception installation on board ships
FR535852A (en) Unsinkable boat
FR543323A (en) Boat cabin