JPS6436400A - Front warning device - Google Patents

Front warning device

Info

Publication number
JPS6436400A
JPS6436400A JP19209987A JP19209987A JPS6436400A JP S6436400 A JPS6436400 A JP S6436400A JP 19209987 A JP19209987 A JP 19209987A JP 19209987 A JP19209987 A JP 19209987A JP S6436400 A JPS6436400 A JP S6436400A
Authority
JP
Grant status
Application
Patent type
Prior art keywords
altitude
sphere
memory
warning
receiver
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.)
Pending
Application number
JP19209987A
Inventor
Chogo Sekine
Original Assignee
Japan Radio 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.)
Filing date
Publication date

Links

Abstract

PURPOSE:To avoid danger by informing the existence of obstructions such as mountains and a steel tower when they are recognized within the flying sphere of an airplane based on the present position and altitude of the airplane measured by a GPS receiver and the navigation speed and direction of the airplane obtained by the GPS receiver in the same way to a pilot with an alarm sound or a display. CONSTITUTION:Based on the present position (latitude and longitude) and the altitude obtained by the GPS receiver 1 and based on the navigation speed and the direction obtained by this receiver 1, a danger warning sphere (a three-dimensional territory) 7B is obtained by a danger warning sphere computer element 2 and data showing this sphere 7B is inputted to a memory retriever 4. An altitude and map memory 3 stores the data of the obstructions 7C and 7D such as the mountains 7E and the steel tower as the position (the latitude and the longitude) showing the existence of them and the data of the altitude complying with it and the content of it is supplied to a memory retriever 4. The memory retriever 4 retrieves whether the corresponding obstruction in the altitude and map memory 3 exists within the danger warning sphere 7B supplied from the computer element 2 or not and supplies a seizing signal to an alarm 5 when it exists and generates an alarm.
JP19209987A 1987-07-31 1987-07-31 Front warning device Pending JPS6436400A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19209987A JPS6436400A (en) 1987-07-31 1987-07-31 Front warning device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19209987A JPS6436400A (en) 1987-07-31 1987-07-31 Front warning device

Publications (1)

Publication Number Publication Date
JPS6436400A true true JPS6436400A (en) 1989-02-07

Family

ID=16285633

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19209987A Pending JPS6436400A (en) 1987-07-31 1987-07-31 Front warning device

Country Status (1)

Country Link
JP (1) JPS6436400A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04315084A (en) * 1991-04-12 1992-11-06 Kawasaki Heavy Ind Ltd Ground crash prevention system for aircraft
JP2008519729A (en) * 2004-11-15 2008-06-12 エアバス フランス Terrain avoidance and warning of the method and apparatus of the aircraft

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61501283A (en) * 1984-02-02 1986-06-26

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61501283A (en) * 1984-02-02 1986-06-26
US4646244A (en) * 1984-02-02 1987-02-24 Sundstrand Data Control, Inc. Terrain advisory system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04315084A (en) * 1991-04-12 1992-11-06 Kawasaki Heavy Ind Ltd Ground crash prevention system for aircraft
JP2008519729A (en) * 2004-11-15 2008-06-12 エアバス フランス Terrain avoidance and warning of the method and apparatus of the aircraft

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