FR22069E - Verifying device for underwater acoustic receivers - Google Patents

Verifying device for underwater acoustic receivers

Info

Publication number
FR22069E
FR22069E FR22069A FR22069DA FR22069E FR 22069 E FR22069 E FR 22069E FR 22069 A FR22069 A FR 22069A FR 22069D A FR22069D A FR 22069DA FR 22069 E FR22069 E FR 22069E
Authority
FR
France
Prior art keywords
underwater acoustic
verifying device
acoustic receivers
receivers
verifying
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
FR22069A
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.)
Signal GmbH
Original Assignee
Signal GmbH
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 Signal GmbH filed Critical Signal GmbH
Application granted granted Critical
Publication of FR22069E publication Critical patent/FR22069E/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B11/00Transmission systems employing sonic, ultrasonic or infrasonic waves
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S1/00Beacons 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
    • G01S1/72Beacons 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)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
FR22069A 1912-03-09 1915-02-02 Verifying device for underwater acoustic receivers Expired FR22069E (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE191303934X 1912-03-09
DE191501751X 1914-02-03

Publications (1)

Publication Number Publication Date
FR22069E true FR22069E (en) 1921-05-12

Family

ID=32870602

Family Applications (3)

Application Number Title Priority Date Filing Date
FR454425A Expired FR454425A (en) 1912-03-09 1913-02-15 Verifying device for underwater acoustic receivers
FR22069A Expired FR22069E (en) 1912-03-09 1915-02-02 Verifying device for underwater acoustic receivers
FR22075D Expired FR22075E (en) 1912-03-09 1915-02-23 Verifying device for underwater acoustic receivers

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR454425A Expired FR454425A (en) 1912-03-09 1913-02-15 Verifying device for underwater acoustic receivers

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR22075D Expired FR22075E (en) 1912-03-09 1915-02-23 Verifying device for underwater acoustic receivers

Country Status (3)

Country Link
DE (1) DE301260C (en)
FR (3) FR454425A (en)
GB (2) GB191303934A (en)

Also Published As

Publication number Publication date
GB191501751A (en) 1915-12-16
DE301260C (en)
FR22075E (en) 1921-05-12
GB191303934A (en) 1914-01-15
FR454425A (en) 1913-07-04

Similar Documents

Publication Publication Date Title
FR22069E (en) Verifying device for underwater acoustic receivers
FR469802A (en) Receiving device for underwater acoustic signals
FR453710A (en) Receiver for underwater acoustic signals
FR458437A (en) Receiving device for underwater acoustic signals
FR506652A (en) Receiving device for underwater acoustic signals
FR460329A (en) Release device for pumps
FR444269A (en) Device for cutting pipes
FR441694A (en) Guiding device for handling equipment
FR546506A (en) Underwater acoustic receiver device
FR483579A (en) Device for sound devices
FR450970A (en) Device for expanding the horns of telephone receivers
FR445254A (en) Device for submarine rescue
FR453407A (en) Tractor device for boats
FR446939A (en) Receiving device for electric waves
FR459446A (en) Rescue device for submarines
FR459896A (en) Transmitting device for electric waves
FR442293A (en) Submarine rescue device
FR459501A (en) membrane transmitter for underwater acoustic signals
FR515754A (en) Device for acoustic vibratory devices
FR443051A (en) Rescue device for ships
AT88431B (en) Receiving device for underwater sound signals.
FR440104A (en) Ventilator-vacuum device for chimneys
FR445133A (en) Rescue device for castaways
FR443029A (en) Fumivorous device
FR442754A (en) Device for shooting precision