GB164311A - - Google Patents

Info

Publication number
GB164311A
GB164311A GB1235221A GB1235221A GB164311A GB 164311 A GB164311 A GB 164311A GB 1235221 A GB1235221 A GB 1235221A GB 1235221 A GB1235221 A GB 1235221A GB 164311 A GB164311 A GB 164311A
Authority
GB
United Kingdom
Prior art keywords
receivers
employed
binaural
telephones
ear
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
GB1235221A
Other languages
English (en)
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 filed Critical
Publication of GB164311A publication Critical patent/GB164311A/en
Priority claimed from GB532523A external-priority patent/GB216211A/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 Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
GB1235221A 1923-02-23 1921-04-29 Expired GB164311A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB532523A GB216211A (en) 1920-06-01 1923-02-23 Sound receiving equipment for ships

Publications (1)

Publication Number Publication Date
GB164311A true GB164311A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1922-04-06

Family

ID=9793980

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1235221A Expired GB164311A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1923-02-23 1921-04-29

Country Status (1)

Country Link
GB (1) GB164311A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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