GB1230221A - - Google Patents
Info
- Publication number
- GB1230221A GB1230221A GB1230221DA GB1230221A GB 1230221 A GB1230221 A GB 1230221A GB 1230221D A GB1230221D A GB 1230221DA GB 1230221 A GB1230221 A GB 1230221A
- Authority
- GB
- United Kingdom
- Prior art keywords
- echoes
- echo
- frequency
- produced
- amplitude
- 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
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
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/04—Display arrangements
- G01S7/06—Cathode-ray tube displays or other two dimensional or three-dimensional displays
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R13/00—Arrangements for displaying electric variables or waveforms
- G01R13/20—Cathode-ray oscilloscopes
- G01R13/22—Circuits therefor
- G01R13/28—Circuits for simultaneous or sequential presentation of more than one variable
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R13/00—Arrangements for displaying electric variables or waveforms
- G01R13/20—Cathode-ray oscilloscopes
- G01R13/22—Circuits therefor
- G01R13/30—Circuits for inserting reference markers, e.g. for timing, for calibrating, for frequency marking
-
- 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
- G01S15/50—Systems of measurement, based on relative movement of the target
- G01S15/52—Discriminating between fixed and moving objects or between objects moving at different speeds
-
- 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
- G01S15/88—Sonar systems specially adapted for specific applications
- G01S15/96—Sonar systems specially adapted for specific applications for locating fish
-
- 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
- G01S7/529—Gain of receiver varied automatically during pulse-recurrence period
-
- 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
- G01S7/56—Display arrangements
- G01S7/62—Cathode-ray tube displays
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Acoustics & Sound (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19671623645 DE1623645C3 (de) | 1967-08-26 | 1967-08-26 | Verfahren und Vorrichtung zur Anzeige von Echobildern auf dem Bildschirm einer Kathodenstrahlröhre |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1230221A true GB1230221A (pt) | 1971-04-28 |
Family
ID=5682761
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1230221D Expired GB1230221A (pt) | 1967-08-26 | 1968-08-23 |
Country Status (3)
Country | Link |
---|---|
JP (1) | JPS4814266B1 (pt) |
GB (1) | GB1230221A (pt) |
NO (1) | NO129482B (pt) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0067534A2 (en) * | 1981-05-19 | 1982-12-22 | András Tejfalussy | Tolerance limitation measuring process and apparatus for optimization of technological parameters based on visual evaluation of the displayed measuring results |
GB2176288A (en) * | 1985-06-07 | 1986-12-17 | Furuno Electric Co | Ultrasonic detection and display system for use underwater |
-
1968
- 1968-08-14 NO NO319368A patent/NO129482B/no unknown
- 1968-08-20 JP JP43059476A patent/JPS4814266B1/ja active Pending
- 1968-08-23 GB GB1230221D patent/GB1230221A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0067534A2 (en) * | 1981-05-19 | 1982-12-22 | András Tejfalussy | Tolerance limitation measuring process and apparatus for optimization of technological parameters based on visual evaluation of the displayed measuring results |
EP0067534A3 (en) * | 1981-05-19 | 1984-01-18 | Andras Tejfalussy | Tolerance limitation measuring process and apparatus for optimization of technological parameters based on visual evaluation of the displayed measuring results |
GB2176288A (en) * | 1985-06-07 | 1986-12-17 | Furuno Electric Co | Ultrasonic detection and display system for use underwater |
Also Published As
Publication number | Publication date |
---|---|
NO129482B (pt) | 1974-04-16 |
JPS4814266B1 (pt) | 1973-05-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PLNP | Patent lapsed through nonpayment of renewal fees |