NO782500L - Fremgangsmaate til aa fjerne forstyrrende ekko med et ekkoloddapparat med en sender- og en mottagerkanal og en digital fremvisningsinnretning, samt en koblingsanordning til utfoerelse av fremgangsmaaten - Google Patents
Fremgangsmaate til aa fjerne forstyrrende ekko med et ekkoloddapparat med en sender- og en mottagerkanal og en digital fremvisningsinnretning, samt en koblingsanordning til utfoerelse av fremgangsmaatenInfo
- 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
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
- 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
- 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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2732938A DE2732938C3 (de) | 1977-07-21 | 1977-07-21 | Verfahren und Schaltungsanordnung zum Ausblenden von Störechos bei einem Echolotgerät |
Publications (3)
Publication Number | Publication Date |
---|---|
NO782500L true NO782500L (no) | 1979-01-23 |
NO145359B NO145359B (no) | 1981-11-23 |
NO145359C NO145359C (no) | 1982-03-03 |
Family
ID=6014498
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO782500A NO145359C (no) | 1977-07-21 | 1978-07-20 | Fremgangsmaate til aa fjerne forstyrrende ekko med et ekkoloddapparat med en sender- og en mottagerkanal og en digital fremvisningsinnretning, samt en koblingsanordning til utfoerelse av fremgangsmaaten |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE2732938C3 (no) |
NO (1) | NO145359C (no) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4414514A1 (de) * | 1994-04-26 | 1995-11-02 | Klaus Deichl | Verfahren zur Ermittlung der zwischen zwei Meßorten liegenden Strecke und Vorrichtung zur Durchführung des Verfahrens |
-
1977
- 1977-07-21 DE DE2732938A patent/DE2732938C3/de not_active Expired
-
1978
- 1978-07-20 NO NO782500A patent/NO145359C/no unknown
Also Published As
Publication number | Publication date |
---|---|
NO145359B (no) | 1981-11-23 |
NO145359C (no) | 1982-03-03 |
DE2732938A1 (de) | 1979-02-01 |
DE2732938B2 (de) | 1979-08-09 |
DE2732938C3 (de) | 1980-04-10 |
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