GB1310343A – Radars
– Google Patents
GB1310343A – Radars
– Google Patents
Radars
Info
Publication number
GB1310343A
GB1310343A
GB1310343DA
GB1310343A
GB 1310343 A
GB1310343 A
GB 1310343A
GB 1310343D A
GB1310343D A
GB 1310343DA
GB 1310343 A
GB1310343 A
GB 1310343A
Authority
GB
United Kingdom
Prior art keywords
pulse
radar
register
signal
ship
Prior art date
1969-08-11
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
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.)
BAE Systems Electronics Ltd
Original Assignee
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.)
1969-08-11
Filing date
1969-08-11
Publication date
1973-03-21
1969-08-11
Application filed by Marconi Co Ltd
filed
Critical
Marconi Co Ltd
1973-03-21
Publication of GB1310343A
publication
Critical
patent/GB1310343A/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
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
G01S7/28—Details of pulse systems
G01S7/285—Receivers
G01S7/292—Extracting wanted echo-signals
G01S7/2923—Extracting wanted echo-signals based on data belonging to a number of consecutive radar periods
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
G01S7/28—Details of pulse systems
G01S7/2806—Employing storage or delay devices which preserve the pulse form of the echo signal, e.g. for comparing and combining echoes received during different periods
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
G01S7/28—Details of pulse systems
G01S7/285—Receivers
G01S7/292—Extracting wanted echo-signals
G01S7/2923—Extracting wanted echo-signals based on data belonging to a number of consecutive radar periods
G01S7/2928—Random or non-synchronous interference pulse cancellers
Abstract
1310343 Pulse radar MARCONI CO Ltd 2 June 1970 [11 Aug 1969] 40076/69 Heading H4D A radar has means for only displaying a target if an echo therefrom is preceded by at least one other received signal occurring at a time corresponding to a previous echo from the target, the two echoes being due to one sweep of the radar beam. In a ship-borne pulse radar, video signals are passed to a gated amplifier 6 whose second input comes from a shift register 12. The register input is fed from a bi-stable 8 which is operated first by a received video signal and then by the next clock pulse from generator 9. At each transmitter pulse, clock generator 9 produces a predetermined number of shift pulses for the register 12 which has the same number of stages as said predetermined number. Amplifier 6 only passes a video signal to PPI 7 if it coincides with a signal from shift register 12 which delays the previous received signal by the pulse repetition period. A switch is also provided to continuously open-gated amplifier 6 when the ship is in open water.
GB1310343D
1969-08-11
1969-08-11
Radars
Expired
GB1310343A
(en)
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
GB4007669
1969-08-11
Publications (1)
Publication Number
Publication Date
GB1310343A
true
GB1310343A
(en)
1973-03-21
Family
ID=10413067
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB1310343D
Expired
GB1310343A
(en)
1969-08-11
1969-08-11
Radars
Country Status (2)
Country
Link
CA
(1)
CA927961A
(en)
GB
(1)
GB1310343A
(en)
Cited By (4)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
FR2361667A1
(en)
*
1976-08-13
1978-03-10
Raytheon Co
RADAR WITH INTERFERENCE REJECTION DEVICE
FR2364463A1
(en)
*
1976-09-09
1978-04-07
Asea Ab
SYSTEM FOR MEASURING CLOUD ALTITUDE
US4330781A
(en)
1979-07-30
1982-05-18
Selenia Industrie Elettroniche Associate S.P.A.
Radar indicators with digital processing of video signal
EP1650582A1
(en)
*
2004-10-20
2006-04-26
TDK Corporation
Pulse wave radar device
1969
1969-08-11
GB
GB1310343D
patent/GB1310343A/en
not_active
Expired
1970
1970-08-10
CA
CA090393A
patent/CA927961A/en
not_active
Expired
Cited By (6)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
FR2361667A1
(en)
*
1976-08-13
1978-03-10
Raytheon Co
RADAR WITH INTERFERENCE REJECTION DEVICE
FR2364463A1
(en)
*
1976-09-09
1978-04-07
Asea Ab
SYSTEM FOR MEASURING CLOUD ALTITUDE
US4330781A
(en)
1979-07-30
1982-05-18
Selenia Industrie Elettroniche Associate S.P.A.
Radar indicators with digital processing of video signal
EP1650582A1
(en)
*
2004-10-20
2006-04-26
TDK Corporation
Pulse wave radar device
US7053819B2
(en)
2004-10-20
2006-05-30
Tdk Corporation
Pulse wave radar device
US7345624B2
(en)
2004-10-20
2008-03-18
Tdk Corporation
Pulse wave radar device
Also Published As
Publication number
Publication date
CA927961A
(en)
1973-06-05
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Legal Events
Date
Code
Title
Description
1973-08-01
PS
Patent sealed
1983-01-06
PCNP
Patent ceased through non-payment of renewal fee
