GB682723A - Echo distance measuring circuit - Google Patents

Echo distance measuring circuit

Info

Publication number
GB682723A
GB682723A GB19732/50A GB1973250A GB682723A GB 682723 A GB682723 A GB 682723A GB 19732/50 A GB19732/50 A GB 19732/50A GB 1973250 A GB1973250 A GB 1973250A GB 682723 A GB682723 A GB 682723A
Authority
GB
United Kingdom
Prior art keywords
oscillator
receiver
neon
capacitor
transducer
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
GB19732/50A
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.)
Bendix Aviation Corp
Original Assignee
Bendix Aviation Corp
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 Bendix Aviation Corp filed Critical Bendix Aviation Corp
Publication of GB682723A publication Critical patent/GB682723A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G01S7/00Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/03Details of HF subsystems specially adapted therefor, e.g. common to transmitter and receiver
    • G01S7/034Duplexers
    • 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)
  • 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)
GB19732/50A 1949-08-24 1950-08-08 Echo distance measuring circuit Expired GB682723A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US682723XA 1949-08-24 1949-08-24

Publications (1)

Publication Number Publication Date
GB682723A true GB682723A (en) 1952-11-12

Family

ID=22081515

Family Applications (1)

Application Number Title Priority Date Filing Date
GB19732/50A Expired GB682723A (en) 1949-08-24 1950-08-08 Echo distance measuring circuit

Country Status (3)

Country Link
BE (1) BE497725A (es)
FR (1) FR1025043A (es)
GB (1) GB682723A (es)

Also Published As

Publication number Publication date
BE497725A (es)
FR1025043A (fr) 1953-04-09

Similar Documents

Publication Publication Date Title
US2333688A (en) Distance measuring system
US2422204A (en) Range indicator
GB406903A (en) Methods and apparatus for measuring distances
US2431854A (en) Apparatus for suppressing reverberation
US2460316A (en) Echo ranging and listening gear
US2534872A (en) Pulse producing apparatus
GB592577A (en) Improvements relating to calibration arrangements for oscillographs and their application to radio obstacle detection systems
US2424030A (en) Balanced driver for sonic depth finders
US2232858A (en) Frequency meter
US2446937A (en) Echo sounding indicator
US2491020A (en) Echo ranging apparatus
US2602922A (en) Sensitivity time control
GB682723A (en) Echo distance measuring circuit
GB627982A (en) Methods and apparatus for radio echo ranging
US2519898A (en) Depth measuring equipment
GB635337A (en) Improvements in and apparatus for submarine echo ranging
US2449358A (en) Echo sounding system with sensitivity control
US2444721A (en) Wave-signal translating system
US2201943A (en) Sending and receiving circuit
US2482128A (en) Receiver protection circuit
US2572668A (en) Echo distance measuring circuit
US2539001A (en) Echo ranging apparatus
US2468302A (en) Quadrature phase shifting circuit
US2642562A (en) Echo distance measuring circuit
US2478208A (en) Wave measuring system