FI841932L - Varningssystem foer foer stor lutningsvinkel foer luftfartyg med roterande vingar. - Google Patents

Varningssystem foer foer stor lutningsvinkel foer luftfartyg med roterande vingar. Download PDF

Info

Publication number: FI841932L
Authority: FI; Finland
Prior art keywords: foer; vingar; varningssystem; lutningsvinkel; luftfartyg
Prior art date: 1983-06-10

Application number

FI841932A

Other languages

English (en)

Finnish (fi)

Other versions

FI841932A0 (fi

Inventor

Noel S Paterson

Original Assignee

Sundstrand Data Control

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.)

1983-06-10

Filing date

1984-05-14

Publication date

1984-12-11

1984-05-14 Application filed by Sundstrand Data Control filed Critical Sundstrand Data Control

1984-05-14 Publication of FI841932A0 publication Critical patent/FI841932A0/fi

1984-12-11 Publication of FI841932L publication Critical patent/FI841932L/fi

Classifications

- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C5/00—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels
- G01C5/005—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels altimeters for aircraft

Landscapes

Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
General Physics & Mathematics (AREA)
Radar, Positioning & Navigation (AREA)
Remote Sensing (AREA)
Traffic Control Systems (AREA)
Emergency Alarm Devices (AREA)
Alarm Systems (AREA)
Jib Cranes (AREA)
Radar Systems Or Details Thereof (AREA)

FI841932A 1983-06-10 1984-05-14 Varningssystem foer foer stor lutningsvinkel foer luftfartyg med roterande vingar. FI841932L (fi)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US06/503,219 US4769645A (en)	1983-06-10	1983-06-10	Excessive pitch attitude warning system for rotary wing aircraft

Publications (2)

Publication Number	Publication Date
FI841932A0 FI841932A0 (fi)	1984-05-14
FI841932L true FI841932L (fi)	1984-12-11

Family

ID=24001200

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI841932A FI841932L (fi)	1983-06-10	1984-05-14	Varningssystem foer foer stor lutningsvinkel foer luftfartyg med roterande vingar.

Country Status (16)

Country	Link
US (1)	US4769645A (xx)
JP (1)	JPS608197A (xx)
AU (1)	AU544110B2 (xx)
BE (1)	BE899879A (xx)
CA (1)	CA1242255A (xx)
CH (1)	CH660160A5 (xx)
DE (1)	DE3421441A1 (xx)
FI (1)	FI841932L (xx)
FR (1)	FR2547275B1 (xx)
GB (2)	GB2141394B (xx)
GR (1)	GR82152B (xx)
IL (1)	IL71607A (xx)
IT (1)	IT1178397B (xx)
NL (1)	NL8401853A (xx)
NZ (1)	NZ207889A (xx)
SE (1)	SE460283B (xx)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2963912B2 (ja) *	1992-04-18	1999-10-18	株式会社光電製作所	Ｇｐｓ航法装置
GB9508659D0 (en) *	1995-04-28	1995-06-14	Smiths Industries Plc	Aircraft instruments
US5781126A (en) *	1996-07-29	1998-07-14	Alliedsignal Inc.	Ground proximity warning system and methods for rotary wing aircraft
US6121899A (en) *	1999-04-16	2000-09-19	Rockwell Collins, Inc.	Impending aircraft tail strike warning display symbology
US6422517B1 (en) *	1999-12-02	2002-07-23	Boeing Company	Aircraft tailstrike avoidance system
EP1727012B1 (en) *	1999-12-02	2007-11-07	The Boeing Company	Aircraft tailstrike avoidance system
DE60143440D1 (de)	2000-09-14	2010-12-23	Honeywell Int Inc	Verfahren, vorrichtung und computerprogrammprodukt zur warnung vor einer hubschrauberheckbodenberührung
FR2816704B1 (fr)	2000-11-14	2003-02-21	Eads Airbus Sa	Procede et dispositif pour la detection de l'envol d'un avion en cours de decollage
EP1407226A1 (en) *	2001-07-17	2004-04-14	Honeywell International Inc.	Pitch angle alerting device for ground proximity warning systems (gpws)
WO2003066433A1 (en) *	2002-02-06	2003-08-14	Honeywell International, Inc.	Apparatus for emergency aircraft guidance
US7239266B2 (en) *	2004-08-26	2007-07-03	Honeywell International Inc.	Radar altimeter
US7126496B2 (en) *	2004-09-30	2006-10-24	Safe Flight Instrument Corporation	Tactile cueing system and method for aiding a helicopter pilot in making landings
US8866667B2 (en)	2012-02-22	2014-10-21	Honeywell International Inc.	High sensitivity single antenna FMCW radar
US9297885B2 (en)	2012-07-27	2016-03-29	Honeywell International Inc.	Method of system compensation to reduce the effects of self interference in frequency modulated continuous wave altimeter systems
US9660605B2 (en)	2014-06-12	2017-05-23	Honeywell International Inc.	Variable delay line using variable capacitors in a maximally flat time delay filter
US10018716B2 (en)	2014-06-26	2018-07-10	Honeywell International Inc.	Systems and methods for calibration and optimization of frequency modulated continuous wave radar altimeters using adjustable self-interference cancellation
US9989972B2 (en) *	2016-02-22	2018-06-05	The Boeing Company	Systems and methods to prevent an aircraft from tail contact with the ground
US10860038B2 (en) *	2018-02-26	2020-12-08	Textron Innovations Inc.	System and method for automatic rotorcraft tail strike protection
CN113928575A (zh) *	2021-10-20	2022-01-14	成都国营锦江机器厂	一种预防直升机尾部着地的告警方法和装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3979717A (en) *	1974-06-03	1976-09-07	United Technologies Corporation	Helicopter warning system
IL48315A (en) *	1975-03-18	1978-08-31	United Technologies Corp	Warning system for helicopters for avoiding tail contact during landing
US4027838A (en) *	1975-03-18	1977-06-07	United Technologies Corporation	Helicopter warning system
US4060793A (en) *	1976-07-19	1977-11-29	Sundstrand Data Control, Inc.	Excessive sink rate warning system for aircraft
DE3228557A1 (de) *	1982-07-30	1984-02-09	Ulrich 8000 München Trampnau	Warnvorrichtung fuer hubschrauber
US4551723A (en) *	1983-06-10	1985-11-05	Sundstrand Data Control, Inc.	Excessive descent rate warning system for rotary wing aircraft

1983
- 1983-06-10 US US06/503,219 patent/US4769645A/en not_active Expired - Lifetime
1984
- 1984-03-23 CA CA000450411A patent/CA1242255A/en not_active Expired
- 1984-04-18 NZ NZ207889A patent/NZ207889A/en unknown
- 1984-04-20 IL IL71607A patent/IL71607A/xx unknown
- 1984-05-14 FI FI841932A patent/FI841932L/fi not_active Application Discontinuation
- 1984-05-21 GB GB08412949A patent/GB2141394B/en not_active Expired
- 1984-05-25 FR FR8408217A patent/FR2547275B1/fr not_active Expired
- 1984-05-30 AU AU28843/84A patent/AU544110B2/en not_active Ceased
- 1984-06-06 CH CH2763/84A patent/CH660160A5/fr not_active IP Right Cessation
- 1984-06-07 GR GR74948A patent/GR82152B/el unknown
- 1984-06-07 IT IT48339/84A patent/IT1178397B/it active
- 1984-06-08 DE DE19843421441 patent/DE3421441A1/de active Granted
- 1984-06-08 JP JP59116820A patent/JPS608197A/ja active Pending
- 1984-06-08 SE SE8403096A patent/SE460283B/sv not_active IP Right Cessation
- 1984-06-08 BE BE0/213113A patent/BE899879A/fr not_active IP Right Cessation
- 1984-06-12 NL NL8401853A patent/NL8401853A/nl not_active Application Discontinuation
- 1984-11-14 GB GB08428728A patent/GB2149373B/en not_active Expired

Also Published As

Publication number	Publication date
FR2547275B1 (fr)	1988-04-15
BE899879A (fr)	1984-12-10
SE8403096D0 (sv)	1984-06-08
JPS608197A (ja)	1985-01-17
GB2149373A (en)	1985-06-12
IT1178397B (it)	1987-09-09
IT8448339A0 (it)	1984-06-07
SE460283B (sv)	1989-09-25
GB2141394A (en)	1984-12-19
GB8412949D0 (en)	1984-06-27
GB8428728D0 (en)	1984-12-27
DE3421441C2 (xx)	1989-07-27
NL8401853A (nl)	1985-01-02
FI841932A0 (fi)	1984-05-14
AU544110B2 (en)	1985-05-16
DE3421441A1 (de)	1984-12-13
CA1242255A (en)	1988-09-20
US4769645A (en)	1988-09-06
SE8403096L (sv)	1984-12-11
GR82152B (xx)	1984-12-13
GB2149373B (en)	1986-10-15
FR2547275A1 (fr)	1984-12-14
GB2141394B (en)	1986-10-15
IL71607A (en)	1990-08-31
NZ207889A (en)	1987-07-31
CH660160A5 (fr)	1987-03-31
AU2884384A (en)	1984-12-13

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Legal Events

Date	Code	Title	Description
2004-08-31	FD	Application lapsed	Owner name: SUNDSTRAND DATA CONTROL, INC.