GB1462833A – Proximity indicating system
– Google Patents
GB1462833A – Proximity indicating system
– Google Patents
Proximity indicating system
Info
Publication number
GB1462833A
GB1462833A
GB3402476A
GB3402476A
GB1462833A
GB 1462833 A
GB1462833 A
GB 1462833A
GB 3402476 A
GB3402476 A
GB 3402476A
GB 3402476 A
GB3402476 A
GB 3402476A
GB 1462833 A
GB1462833 A
GB 1462833A
Authority
GB
United Kingdom
Prior art keywords
indicating system
proximity indicating
proximity
litchstreet
heading
Prior art date
1973-03-27
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
GB3402476A
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.)
Litchstreet Co
Original Assignee
Litchstreet Co
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.)
1973-03-27
Filing date
1974-02-20
Publication date
1977-01-26
1974-02-20
Application filed by Litchstreet Co
filed
Critical
Litchstreet Co
1977-01-26
Publication of GB1462833A
publication
Critical
patent/GB1462833A/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
G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
G01S13/76—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted
G01S13/78—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted discriminating between different kinds of targets, e.g. IFF-radar, i.e. identification of friend or foe
G01S13/781—Secondary Surveillance Radar [SSR] in general
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
G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
G01S13/88—Radar or analogous systems specially adapted for specific applications
G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
G01S13/933—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of aircraft or spacecraft
Abstract
1462833 Radio navigation LITCHSTREET CO 20 Feb 1974 [27 March 1973] 34024/76 Divided out of 1462831 Heading H4D The disclosure is part of that of Specification 1,462,831, the claims relate to the selection of the mode of operation of the adaptive proximity indicating system in accordance with the altitude of the aircraft.
GB3402476A
1973-03-27
1974-02-20
Proximity indicating system
Expired
GB1462833A
(en)
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
US345432A
US3875570A
(en)
1973-03-27
1973-03-27
Adaptive proximity indicating system
Publications (1)
Publication Number
Publication Date
GB1462833A
true
GB1462833A
(en)
1977-01-26
Family
ID=23355022
Family Applications (3)
Application Number
Title
Priority Date
Filing Date
GB3402476A
Expired
GB1462833A
(en)
1973-03-27
1974-02-20
Proximity indicating system
GB3254375A
Expired
GB1462832A
(en)
1973-03-27
1974-02-20
Proximity indicating system
GB778474A
Expired
GB1462831A
(en)
1973-03-27
1974-02-20
Adaptive proximity indicating system
Family Applications After (2)
Application Number
Title
Priority Date
Filing Date
GB3254375A
Expired
GB1462832A
(en)
1973-03-27
1974-02-20
Proximity indicating system
GB778474A
Expired
GB1462831A
(en)
1973-03-27
1974-02-20
Adaptive proximity indicating system
Country Status (6)
Country
Link
US
(1)
US3875570A
(en)
JP
(1)
JPS5917789B2
(en)
CA
(1)
CA1025980A
(en)
DE
(1)
DE2414854B2
(en)
FR
(1)
FR2223769B1
(en)
GB
(3)
GB1462833A
(en)
Families Citing this family (32)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
FR2281613A2
(en)
*
1971-09-15
1976-03-05
Litchstreet Co
Surveillance secondary radar system – uses method for determination of its distance from one of its own transponder stations
US4021802A
(en)
*
1975-07-29
1977-05-03
Litchstreet Co.
Collision avoidance system
GB1572903A
(en)
*
1976-06-30
1980-08-06
Mcgeoch I
Method and appratus for identifying radar targets
JPS5338288A
(en)
*
1976-09-20
1978-04-08
Toyo Communication Equip
System for measuring distance for aircraft collision preventive device using radar beacon
US4161729A
(en)
*
1978-02-09
1979-07-17
Schneider Bernard A
Beacon add-on subsystem for collision avoidance system
DE3012616C2
(en)
*
1980-04-01
1982-11-04
Standard Elektrik Lorenz Ag, 7000 Stuttgart
Airport surveillance facility
US4642648A
(en)
*
1982-02-22
1987-02-10
Litchstreet Co.
Simple passive/active proximity warning system
US4486755A
(en)
*
1982-02-22
1984-12-04
Litchstreet Co.
Collision avoidance system
JPS6073477A
(en)
*
1983-09-30
1985-04-25
Toyo Commun Equip Co Ltd
Prevention system against aircraft collision
JPS6179180A
(en)
*
1984-09-26
1986-04-22
Toyo Commun Equip Co Ltd
Dangerous aircraft display system of aircraft collision preventing equipment
JPS61105700A
(en)
*
1984-10-29
1986-05-23
東洋通信機株式会社
Opponent aircraft tracking display system for aircraft collision preventor
FR2573541B1
(en)
*
1984-11-20
1986-12-19
Thomson Csf
PRETREATMENT DEVICE FOR SECONDARY RADAR EXTRACTOR
FR2580081B1
(en)
*
1985-04-09
1988-06-24
Lmt Radio Professionelle
US4782450A
(en)
*
1985-08-27
1988-11-01
Bennett Flax
Method and apparatus for passive airborne collision avoidance and navigation
US4768036A
(en)
*
1985-10-16
1988-08-30
Litchstreet Co.
Collision avoidance system
US4910526A
(en)
*
1987-05-18
1990-03-20
Avion Systems, Inc.
Airborne surveillance method and system
US4789865A
(en)
*
1987-10-21
1988-12-06
Litchstreet Co.
Collision avoidance system
US4856100A
(en)
*
1988-06-30
1989-08-08
Honeywell Inc.
Reply rate limiting
US4899156A
(en)
*
1989-07-13
1990-02-06
Litchstreet Company
Virtual ATCRBS using signals of remote SSR
US5077673A
(en)
*
1990-01-09
1991-12-31
Ryan International Corp.
Aircraft traffic alert and collision avoidance device
US5388047A
(en)
*
1990-01-09
1995-02-07
Ryan International Corp.
Aircraft traffic alert and collision avoidance device
US5327145A
(en)
*
1990-05-22
1994-07-05
Hughes Aircraft Company
Time delay passive ranging technique
JPH04332892A
(en)
*
1991-05-09
1992-11-19
Toshiba Corp
Secondary surveillance radar
US5196856A
(en)
*
1992-07-01
1993-03-23
Litchstreet Co.
Passive SSR system utilizing P3 and P2 pulses for synchronizing measurements of TOA data
US5835059A
(en)
*
1995-09-01
1998-11-10
Lockheed Martin Corporation
Data link and method
US6087973A
(en)
*
1997-09-11
2000-07-11
Rockwell Science Center, Inc.
Increased accuracy of range measurement between data link systems
US6300904B1
(en)
*
1999-06-09
2001-10-09
Honeywell International Inc.
Narrowband based navigation scheme
MXPA02011008A
(en)
*
2000-05-09
2004-08-19
Advanced Navigation & Position
Vehicle surveillance system.
US6985103B2
(en)
*
2003-07-29
2006-01-10
Navaero Ab
Passive airborne collision warning device and method
US7132928B2
(en)
*
2003-10-01
2006-11-07
Perricone Nicholas V
Threat detection system interface
US8477061B1
(en)
*
2010-06-29
2013-07-02
Lockheed Martin Corporation
Method and system for preventing anti-aircraft warfare engagement with neutral aircraft
RU2696271C1
(en)
*
2018-12-11
2019-08-01
Акционерное общество “Научно-производственное предприятие “Дельта”
Radar transmitting and receiving device
Family Cites Families (6)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US3566404A
(en)
*
1968-12-16
1971-02-23
Trw Inc
Vehicle collision avoidance system
US3691559A
(en)
*
1969-03-28
1972-09-12
Navsat Corp
Aircraft collision warning system
US3550129A
(en)
*
1969-03-28
1970-12-22
Nasa
Satellite aided vehicle avoidance system
US3626411A
(en)
*
1969-07-23
1971-12-07
George B Litchford
Proximity indicator systems using transponders
US3735408A
(en)
*
1971-04-05
1973-05-22
Litchstreet Co
Common azimuth sector indicating system
US3757324A
(en)
*
1971-09-15
1973-09-04
Litchstreet Co
Proximity indication with range and bearing measurements
1973
1973-03-27
US
US345432A
patent/US3875570A/en
not_active
Expired – Lifetime
1974
1974-02-20
GB
GB3402476A
patent/GB1462833A/en
not_active
Expired
1974-02-20
GB
GB3254375A
patent/GB1462832A/en
not_active
Expired
1974-02-20
GB
GB778474A
patent/GB1462831A/en
not_active
Expired
1974-03-04
CA
CA193,920A
patent/CA1025980A/en
not_active
Expired
1974-03-21
FR
FR7409741A
patent/FR2223769B1/fr
not_active
Expired
1974-03-27
DE
DE19742414854
patent/DE2414854B2/en
active
Granted
1974-03-27
JP
JP49034340A
patent/JPS5917789B2/en
not_active
Expired
Also Published As
Publication number
Publication date
GB1462831A
(en)
1977-01-26
JPS49130698A
(en)
1974-12-14
FR2223769A1
(en)
1974-10-25
US3875570A
(en)
1975-04-01
GB1462832A
(en)
1977-01-26
DE2414854A1
(en)
1974-10-10
JPS5917789B2
(en)
1984-04-23
DE2414854C3
(en)
1978-11-02
CA1025980A
(en)
1978-02-07
FR2223769B1
(en)
1980-08-22
DE2414854B2
(en)
1978-01-12
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Legal Events
Date
Code
Title
Description
1977-06-10
PS
Patent sealed [section 19, patents act 1949]
1989-10-11
PCNP
Patent ceased through non-payment of renewal fee
