GB832681A - Amplitude-selective circuit and acoustic echo distance meter using the same - Google Patents

Amplitude-selective circuit and acoustic echo distance meter using the same

Info

Publication number
GB832681A
GB832681A GB695757A GB695757A GB832681A GB 832681 A GB832681 A GB 832681A GB 695757 A GB695757 A GB 695757A GB 695757 A GB695757 A GB 695757A GB 832681 A GB832681 A GB 832681A
Authority
GB
United Kingdom
Prior art keywords
amplitude
same
distance meter
acoustic echo
selective circuit
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
GB695757A
Inventor
James Allen Wippert
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
Priority to GB695757A priority Critical patent/GB832681A/en
Priority to GB169959A priority patent/GB832682A/en
Priority to FR733084A priority patent/FR1231027A/en
Publication of GB832681A publication Critical patent/GB832681A/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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/523—Details of pulse systems
    • G01S7/526—Receivers
    • G01S7/527—Extracting wanted echo signals
    • 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
    • G01S15/14—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves wherein a voltage or current pulse is initiated and terminated in accordance respectively with the pulse transmission and echo reception

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
GB695757A 1957-03-01 1957-03-01 Amplitude-selective circuit and acoustic echo distance meter using the same Expired GB832681A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB695757A GB832681A (en) 1957-03-01 1957-03-01 Amplitude-selective circuit and acoustic echo distance meter using the same
GB169959A GB832682A (en) 1957-03-01 1957-03-01 Improvements in acoustic-echo distance-measuring systems
FR733084A FR1231027A (en) 1957-03-01 1957-03-02 Amplitude selector assembly and device for measuring distances by reflection of waves, in particular altimeter, comprising application of this assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB695757A GB832681A (en) 1957-03-01 1957-03-01 Amplitude-selective circuit and acoustic echo distance meter using the same

Publications (1)

Publication Number Publication Date
GB832681A true GB832681A (en) 1960-04-13

Family

ID=9823934

Family Applications (2)

Application Number Title Priority Date Filing Date
GB169959A Expired GB832682A (en) 1957-03-01 1957-03-01 Improvements in acoustic-echo distance-measuring systems
GB695757A Expired GB832681A (en) 1957-03-01 1957-03-01 Amplitude-selective circuit and acoustic echo distance meter using the same

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB169959A Expired GB832682A (en) 1957-03-01 1957-03-01 Improvements in acoustic-echo distance-measuring systems

Country Status (1)

Country Link
GB (2) GB832682A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2195181A (en) * 1986-09-23 1988-03-30 Liebermann Overseas Trading Li Ultrasonic distance measuring device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2195181A (en) * 1986-09-23 1988-03-30 Liebermann Overseas Trading Li Ultrasonic distance measuring device

Also Published As

Publication number Publication date
GB832682A (en) 1960-04-13

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