Device and method for alert and density altitude features in a transponder
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G01S-013/08
G01S-013/00
출원번호
US-0052330
(2005-02-07)
발명자
/ 주소
Billings,Robert W.
출원인 / 주소
Garmin Ltd.
인용정보
피인용 횟수 :
2인용 특허 :
8
초록▼
A transponder having a subsystem for providing an altitude alert function signifying a deviation from a set altitude is described. The subsystem includes an input for receiving an altitude deviation limit associated with the set altitude, a CPU receiving updated altitude and determining a differenc
A transponder having a subsystem for providing an altitude alert function signifying a deviation from a set altitude is described. The subsystem includes an input for receiving an altitude deviation limit associated with the set altitude, a CPU receiving updated altitude and determining a difference between the updated altitude and the set altitude associated with the altitude deviation limit, and a transponder subsystem output device for providing the difference between the updated altitude and the set altitude to a user.
대표청구항▼
What is claimed is: 1. A method for providing a density altitude function in a transponder, the transponder receiving updated altitude and transmitting the updated attitude, the transponder having a user interface configured to display a density altitude page, said method comprising: receiving data
What is claimed is: 1. A method for providing a density altitude function in a transponder, the transponder receiving updated altitude and transmitting the updated attitude, the transponder having a user interface configured to display a density altitude page, said method comprising: receiving data relating to at least one of static air temperature and pressure altitude, total air temperature, indicated airspeed, and pressure altitude; calculating an outside air temperature based on the received data; calculating the density altitude based on the received data; and displaying the outside air temperature and the density altitude on the user interface. 2. The method of claim 1, wherein the density altitude represents an altitude estimating an aircraft's expected performance based on atmospheric conditions. 3. The method of claim 1, wherein the density altitude differs from an actual altitude of an aircraft. 4. The method of claim 1, wherein the density altitude represents pressure altitude corrected for nonstandard temperature. 5. The method of claim 1, further comprising pre-calculating density values and storing in memory the density values, the density altitude being calculated based on the stored density values. 6. The method of claim 1, further comprising receiving data relating to all of the static air temperature and pressure altitude, total air temperature, indicated airspeed, and pressure altitude. 7. The method of claim 1, further comprising calculating the outside air temperature based on all of static air temperature, total air temperature, Indicated airspeed, and pressure altitude. 8. The method of claim 1, further comprising calculating the density altitude based on all of static air temperature, total air temperature, indicated airspeed, and pressure altitude. 9. A transponder configured to transmit an altitude and provide an altitude alert function, said transponder comprising: an input receiving updated altitude; an output transmitting the updated altitude; inputs receiving data relating to at least one of static air temperature and pressure altitude, total air temperature, indicated airspeed, and pressure altitude; a processor unit calculating an outside air temperature based on the received data and calculating the density altitude based on the received data; and a user interface displaying the outside air temperature and the density altitude. 10. The transponder of claim 9, wherein the density altitude represents an altitude estimating an aircraft's expected performance based on atmospheric conditions. 11. The transponder of claim 9, wherein the density altitude differs from an actual altitude of an aircraft. 12. The transponder of claim 9, wherein the density altitude represents pressure altitude corrected for nonstandard temperature. 13. The transponder of claim 9, further comprising memory storing pre-calculates density values, the processor calculating the density altitude based on the stored density values. 14. The transponder of claim 9, wherein said inputs receive data relating to all of the static air temperature and pressure altitude, total air temperature, indicated airspeed, and pressure altitude. 15. The transponder of claim 9, wherein said processor unit calculates the outside air temperature based on all of static air temperature, total air temperature, indicated airspeed, and pressure altitude. 16. The transponder of claim 9, wherein said processor unit calculates the density altitude based on all of static air temperature, total air temperature, indicated airspeed, and pressure altitude. 17. The transponder of claim 9, wherein said processor unit includes signal processing unit coupled to said interface and said inputs; and a CPU coupled to said signal processing unit. 18. The transponder of claim 9, wherein said inputs comprise at least one input to said processor unit and a keyboard interfaced to said processor unit.
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이 특허에 인용된 특허 (8)
Ian Amos CA, Apparatus to calculate dynamic values for pressure density in an aircraft.
James Robert (Administrator of the National Aeronautics and Space Administration ; with respect to an invention of Robert James Lancaster CA) Lovelace Alan M. (Administrator of the National Aeronauti, System for providing an integrated display of instantaneous information relative to aircraft attitude, heading, altitude.
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