GB835491A - Improvements in or relating to echo sounders - Google Patents

Improvements in or relating to echo sounders

Info

Publication number
GB835491A
GB835491A GB3849757A GB3849757A GB835491A GB 835491 A GB835491 A GB 835491A GB 3849757 A GB3849757 A GB 3849757A GB 3849757 A GB3849757 A GB 3849757A GB 835491 A GB835491 A GB 835491A
Authority
GB
United Kingdom
Prior art keywords
relating
echo sounders
sounders
echo
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
GB3849757A
Inventor
John Henry Lindars
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.)
Marconis Wireless Telegraph Co Ltd
BAE Systems Electronics Ltd
Original Assignee
Marconis Wireless Telegraph Co Ltd
Marconi Co Ltd
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
Priority to NL112324D priority Critical patent/NL112324C/xx
Priority to NL233710D priority patent/NL233710A/xx
Application filed by Marconis Wireless Telegraph Co Ltd, Marconi Co Ltd filed Critical Marconis Wireless Telegraph Co Ltd
Priority to GB3849757A priority patent/GB835491A/en
Publication of GB835491A publication Critical patent/GB835491A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
GB3849757A 1957-12-11 1957-12-11 Improvements in or relating to echo sounders Expired GB835491A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
NL112324D NL112324C (en) 1957-12-11
NL233710D NL233710A (en) 1957-12-11
GB3849757A GB835491A (en) 1957-12-11 1957-12-11 Improvements in or relating to echo sounders

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3849757A GB835491A (en) 1957-12-11 1957-12-11 Improvements in or relating to echo sounders

Publications (1)

Publication Number Publication Date
GB835491A true GB835491A (en) 1960-05-18

Family

ID=10403851

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3849757A Expired GB835491A (en) 1957-12-11 1957-12-11 Improvements in or relating to echo sounders

Country Status (2)

Country Link
GB (1) GB835491A (en)
NL (2) NL112324C (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3739325A (en) * 1970-06-13 1973-06-12 Electroacustic Gmbh Method and device for evaluating echo signals with echo sounding systems having digital indication
GB2266369B (en) * 1992-04-16 1996-08-07 Meditronics Limited Manoeuvring aid

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5776963A (en) * 1989-05-19 1998-07-07 Hoechst Marion Roussel, Inc. 3-(heteroaryl)-1- (2,3-dihydro-1h-isoindol-2-yl)alkyl!pyrrolidines and 3-(heteroaryl)-1- (2,3-dihydro-1h-indol-1-yl)alkyl!pyrrolidines and related compounds and their therapeutic untility

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3739325A (en) * 1970-06-13 1973-06-12 Electroacustic Gmbh Method and device for evaluating echo signals with echo sounding systems having digital indication
GB2266369B (en) * 1992-04-16 1996-08-07 Meditronics Limited Manoeuvring aid

Also Published As

Publication number Publication date
NL233710A (en)
NL112324C (en)

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