NO782500L - PROCEDURE FOR A REMOVING DISTURBING ECHO WITH AN SOUND EQUIPMENT WITH A TRANSMITTER AND A RECEIVER CHANNEL AND A DIGITAL DISPLAY DEVICE, AS WELL AS A CONNECTION DEVICE FOR PERFORMING PROCEDURE - Google Patents

PROCEDURE FOR A REMOVING DISTURBING ECHO WITH AN SOUND EQUIPMENT WITH A TRANSMITTER AND A RECEIVER CHANNEL AND A DIGITAL DISPLAY DEVICE, AS WELL AS A CONNECTION DEVICE FOR PERFORMING PROCEDURE

Info

Publication number
NO782500L
NO782500L NO782500A NO782500A NO782500L NO 782500 L NO782500 L NO 782500L NO 782500 A NO782500 A NO 782500A NO 782500 A NO782500 A NO 782500A NO 782500 L NO782500 L NO 782500L
Authority
NO
Norway
Prior art keywords
procedure
transmitter
well
digital display
sound equipment
Prior art date
Application number
NO782500A
Other languages
Norwegian (no)
Other versions
NO145359C (en
NO145359B (en
Inventor
Klaus Sander
Original Assignee
Honeywell Elac Nautik 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 Honeywell Elac Nautik Gmbh filed Critical Honeywell Elac Nautik Gmbh
Publication of NO782500L publication Critical patent/NO782500L/en
Publication of NO145359B publication Critical patent/NO145359B/en
Publication of NO145359C publication Critical patent/NO145359C/en

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
    • G01S15/00Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/02Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/06Systems determining the position data of a target
    • G01S15/08Systems for measuring distance only
    • G01S15/10Systems for measuring distance only using transmission of interrupted, pulse-modulated waves
    • G01S15/14Systems 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

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Acoustics & Sound (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Bidirectional Digital Transmission (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
NO782500A 1977-07-21 1978-07-20 PROCEDURE FOR AA REMOVE INTERFERRING ECHO WITH A SUNSCAPER DEVICE WITH A TRANSMITTER AND RECEIVER CHANNEL AND A DIGITAL DISPLAY DEVICE, AND A CONNECTOR FOR EXECUTING THE PROCEDURE NO145359C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2732938A DE2732938C3 (en) 1977-07-21 1977-07-21 Method and circuit arrangement for masking false echoes in an echo sounder

Publications (3)

Publication Number Publication Date
NO782500L true NO782500L (en) 1979-01-23
NO145359B NO145359B (en) 1981-11-23
NO145359C NO145359C (en) 1982-03-03

Family

ID=6014498

Family Applications (1)

Application Number Title Priority Date Filing Date
NO782500A NO145359C (en) 1977-07-21 1978-07-20 PROCEDURE FOR AA REMOVE INTERFERRING ECHO WITH A SUNSCAPER DEVICE WITH A TRANSMITTER AND RECEIVER CHANNEL AND A DIGITAL DISPLAY DEVICE, AND A CONNECTOR FOR EXECUTING THE PROCEDURE

Country Status (2)

Country Link
DE (1) DE2732938C3 (en)
NO (1) NO145359C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4414514A1 (en) * 1994-04-26 1995-11-02 Klaus Deichl Determining distance between two measuring locations

Also Published As

Publication number Publication date
NO145359C (en) 1982-03-03
DE2732938B2 (en) 1979-08-09
NO145359B (en) 1981-11-23
DE2732938A1 (en) 1979-02-01
DE2732938C3 (en) 1980-04-10

Similar Documents

Publication Publication Date Title
GB2056803B (en) Signal receiving apparatus
GB1553591A (en) Device for and method of determining the transmission quality of received signals
GR65358B (en) Receiver of codified arithmetical signals of multiple frequencies
FR2449373B1 (en) DEVICE FOR RECEIVING DIGITAL SIGNALS
GB2009966B (en) Signal recording apparatus and methods
AU4134478A (en) Improved systems, apparatus and methods for measuring while drilling
AU519665B2 (en) Frequency measuring apparatus
AU517630B2 (en) Priority data signal transmission apparatus
JPS5480172A (en) Device for measuring acoustic characteristics
FR2395652B1 (en) METHOD AND DEVICE FOR TRANSMITTING DIGITAL SIGNALS
JPS5461914A (en) Video signal recording method and device
IT1101584B (en) APPARATUS AND METHOD TO VISUALIZE A FILM FILM ON A TELEVISION RECEIVER
AU515413B2 (en) Ultrasonic leak hole detection apparatus
GB2006574B (en) Method of and device for jointly transmitting telephone and video signal on digitaltelephone lines
AU509647B2 (en) Sound analysing apparatus
DK278979A (en) PROCEDURE FOR PRODUCING AND TRANSMITTING ACOUSTIC SIGNALS AND APPARATUS FOR EXERCISING THE PROCEDURE
NO784142L (en) PROCEDURE AND CONNECTION DEVICE FOR MONITORING A RADIO RECEIVER
AU526137B2 (en) Tone signal detectors
AU515923B2 (en) Electronic detection apparatus for leaks
NO782500L (en) PROCEDURE FOR A REMOVING DISTURBING ECHO WITH AN SOUND EQUIPMENT WITH A TRANSMITTER AND A RECEIVER CHANNEL AND A DIGITAL DISPLAY DEVICE, AS WELL AS A CONNECTION DEVICE FOR PERFORMING PROCEDURE
FR2339999A1 (en) DIGITAL SIGNAL TRANSMISSION DEVICE
JPS5464418A (en) Video signal amplitude matching device
JPS545369A (en) Receiver for data transmitter
AU517758B2 (en) Frequency measuring apparatus
JPS51126492A (en) Information transmitting method