Direct broadcast imaging satellite system apparatus and method for providing real-time, continuous monitoring of earth from geostationary earth orbit and related services

• US 20020041328A1
• Filed: 03/29/2001
• Published: 04/11/2002
• Est. Priority Date: 03/29/2000
• Status: Abandoned Application

• Current Assignee: Astrovision International Incorporated
• Original Assignee: Astrovision International Incorporated
• Inventors: LeCompte, Malcolm, Hewins, Michael
• Application Number:
  US09/820,347
• Publication Number:
  US 20020041328A1
• Time in Patent Office: Days
• US Class Current: 348/144
• CPC Class Codes: G01C 11/025 by scanning the object

Abstract

A system, method and apparatus for collecting an distributing real-time, high resolution images of the Earth from GEO include an electro-optical sensor based on multi-megapixel two-dimensional charge coupled device (CCD) arrays mounted on a geostationary platform. At least four, three-axis stabilized satellites in Geostationary Earth orbit (GEO) provide worldwide coverage, excluding the poles. Image data that is collected at approximately 1 frame/sec, is broadcast over high-capacity communication links (roughly 15 MHz bandwidth) providing real-time global coverage of the Earth at sub-kilometer resolutions directly to end users. This data may be distributed globally from each satellite through a system of space and ground telecommunication links. Each satellite carries at least two electro-optical imaging systems that operate at visible wavelengths so as to provide uninterrupted views of the Earth'"'"'s full disk and coverage at sub-kilometer spatial resolutions of most or selected portions of the Earth'"'"'s surface.

Claims

1. An imaging satellite configured to be placed in geostationary orbit, comprising:

an image sensor configured to be positioned toward Earth when in geostationary orbit and configured to produce data of a series of images of at least a portion of a surface of the Earth; and

a transmitter configured to transmit the data to a remote location so that said series of images may be viewed in real-time at said remote location, wherein

each image of said series of images having a hyper-spectral resolution of 100 m or better.

2. The imaging satellite of claim 1, wherein:

said image sensor includes a charge coupled device having at least 1024×

1024 elements.

3. The imaging satellite of claim 2, wherein:

said charge coupled device having at least 2048×

2048 elements.

4. The imaging satellite of claim 3, wherein:

said charge coupled device having at least 4096×

4096 elements.

5. The imaging satellite of claim 4, wherein:

respective of said images having respective resolutions that correspond with an image at nadir having a 10 m or better resolution when the satellite is placed in geostationary orbit.

6. The imaging satellite of claim 1, further comprising:

a scan system configured to change a relative position of the image sensor with regard to the surface of the Earth so that the image sensor perceives different portions of the Earth'"'"'s surface when producing the data of the series of images.

7. The imaging satellite of claim 6 further comprising:

an optics subsystem configured to adjust a field of view observed by said image sensor when producing said data of the series of images.

8. The imaging satellite of claim 6, wherein:

said scan system includes a motor-actuated mirror configured to adjust an optics path that impinges on said image sensor by adjusting a relative position of the motor-actuated mirror with respect to the image sensor.

9. The imaging satellite of claim 6, wherein:

said scan system includes a control mechanism configured to control an amount of spin imparted by a momentum wheel on said satellite so as to impart a relative rotation of the satellite with respect to the Earth and cause an optical path of said image sensor to change with respect to a predetermined spot on Earth.

10. The imaging satellite of claim 6, wherein:

said scan system includes a controller that is configured to adjust a scanning operation of said scan system to cause s aid image sensor to produce said series of images according to a step-stare pattern.

11. The imaging satellite of claim 6, further comprising:

a software reconfigurable processor that is configured control said scan system to perform at least one of a full scan raster operation, perform a geo-reference tracking operation, and dwell at a predetermined portion on the surface of the Earth for a predetermined dwell time.

12. The imaging satellite of claim 1, wherein:

said transmitter includes a data compression mechanism configured to compress the data before transmitting the data to said remote location.

13. The imaging satellite of claim 1, wherein:

said image sensor being configured to produce the images of the surface of the Earth, at night.

14. The imaging satellite of claim 1, wherein:

said transmitter being configured to transmit said data to another satellite via a cross-link.

15. The imaging satellite of claim 1, wherein:

said transmitter being configured to transmit said data directly to a ground terminal.

16. The imaging satellite of claim 1, wherein:

said transmitter being configured to transmit said data to said remote location by way of a terrestrial communication network.

17. The imaging satellite of claim 1, wherein:

said transmitter being configured to transmit said data to a network node configured to relay said data to said remote location by way of an Internet.

19. The constellation of claim 18, further comprising:

at least one communication satellite configured to receive and route the data to the remote location by way of a ground-based teleport.

35. The imaging satellite of claim 1, wherein:

said image sensor being configured to produce said data of a series of color images.

18. A constellation of at least four imaging satellites in geostationary orbit, each satellite comprising:

an image sensor positioned toward Earth and configured to produce data of a series of images of at least a portion of a surface of the Earth; and

a transmitter configured to transmit the data to a remote location so that said series of images may be viewed in real-time at said remote location, wherein

each image of said series of images having a hyper-spatial resolution equating to 10 m or better if taken at nadir, wherein each of said at least four satellites being configured to communicate with ground facilities located within line of sight of respective of the at least four satellites.

20. A method for capturing and distributing real-time image data from geostationary orbit, comprising steps of:

forming a series of images of at least a portion of a surface of Earth, including

forming the series of images at a frame rate of 1 second per frame or faster, and

forming the series of images with respective resolutions equating to at least 500 m if taken at nadir;

producing a stream of data representative of the series of images; and

transmitting the data to a remote location.

21. The method of claim 20, further comprising:

a step of receiving the data at the remote location and producing the images from the data for real-time viewing.

22. The method of claim 20, wherein:

said step of forming a series of images includes scanning an image sensor over a field of view that includes a predetermined portion of the surface of the Earth so as to produce the series of images at different locations on the surface of the Earth.

23. The method of claim 22, wherein:

said step of forming a series of images includes adjusting a field of view of the image sensor by adjusting an optical path to the image sensor.

24. The method of claim 23, wherein:

said scanning step includes adjusting a relative position of a mirror with respect to said image sensor to change an optical path leading to said image sensor.

25. The method of claim 23, wherein:

said step of scanning includes adjusting a speed of a satellite-based momentum wheel.

26. The method of claim 23, wherein:

said scanning step includes scanning said image sensor to form a step-stare series of images.

27. The method of claim 20, wherein:

said step of forming a series of images includes controlling an image sensor to perform at least one of a full scan raster operation, a geo reference tracking operation, and a dwell point adjustment operation.

28. The method of claim 20, wherein:

said transmitting step includes compressing the data.

29. The method of claim 20, wherein:

said step of forming a series of images, includes forming the series of images at night.

30. The method of claim 20, wherein:

said transmitting step includes transmitting the data to another satellite via a cross-link.

31. The method of claim 20, wherein:

said transmitting step includes transmitting said data directly to a ground terminal.

32. The method of claim 20, wherein:

said receiving step includes receiving the data at a remote location by way of a terrestrial communication network.

33. The method of claim 22, wherein:

said receiving step includes receiving the data through an Internet, as said terrestrial communication network.

36. The method of claim 20, wherein:

said step of forming the series of images comprises forming said series of images in color.

37. The imaging satellite of claim 34, wherein:

said means for forming a series of images comprises means for forming color images.

39. The system of claim 38, further comprising a map display system on which congestion information is displayed regarding traffic congestion for particular roadways located on said map.

34. An imaging satellite configured to be placed in geostationary orbit, comprising:

means for forming a series of images of at least a portion of a surface of Earth, including

means for forming the series of images at a frame rate that is one second or less,

means for forming the series of images with respective resolutions equating to at least 500 m if taken at nadir;

means for producing a stream of data that represents the series of images; and

means for transmitting the data to a remote location.

38. An imaging satellite system having a hyper-resolution capability of 100 m or less, comprising:

an image sensor configured to be positioned on a platform for use in geostationary orbit, said image sensor being positioned towards earth and configured to produce data of a series of images of at least a portion of a surface of the earth; and

a transmitter configured to transmit the data to a remote location so that said series of images may be viewed at said remote location; and

a traffic congestion detection mechanism for determining an amount of traffic present on a particular roadway as observed from space and an indicator of said traffic being included in said traffic message.

40. A maritime weather reporting system, comprising:

an image sensor positioned toward Earth and configured to produce data of a series of images of at least a portion of a surface of the Earth; and

a transmitter configured to transmit the data to a remote location so that said series of images may be viewed in real-time at said remote location, wherein

each image of said series of images having a resolution of 100 m or less, wherein said remote location being a maritime vessel configured to receive by way of wireless communication weather pattern information provided by optical information collected from said image sensor.

41. A weather event reporting system, comprising:

an image sensor positioned in geostationary satellite positioned toward Earth and configured to produce data of a series of images of at least a portion of a surface of the Earth; and

a transmitter configured to transmit the data to a remote location so that said series of images may be viewed in real-time at said remote location, wherein

each image of said series of images having a resolution that equates to at least 500 m or better resolution at nadir, wherein said transmitter is configured to transmit the data to a remote location, and said remote location being configured to produce an e-mail message to be sent to a subscriber reporting a presence of a predetermined weather pattern known to exist at said remote location as observed by said image sensor.

42. A method for providing commodity-value related data to a commodity trader, comprising steps of:

receiving from a transmitter in geostationary orbit real-time image data of a predetermined portion of a surface of the Earth and cloud activity above the predetermined portion, a resolution of said image data being at least 500 m or better resolution at nadir;

analyzing said real-time image data and identifying a feature in said real-time image data indicative of an event that affects a present or future value of a commodity;

preparing a message alert regarding said present or future value of said commodity and identifying said commodity; and

sending said message alert to a remote computer configured to present said message alert to the commodity trader.

43. The method of claim 42, wherein:

said identifying step includes identifying as said event at least one of a thunderstorm and a tornado.

44. The method of claim 42, wherein:

said commodity being a food commodity.

45. The method of claim 42, wherein:

said commodity being a crop of grain.

46. The method of claim 42, wherein:

said preparing step includes inserting a written description of the event in said message alert.

47. The method of claim 42, wherein:

said preparing step includes including image data of the event in said message alert.

48. The method of claim 42, wherein:

said preparing step includes inserting an indication of a likelihood of said event affecting said present or future value of said commodity.

49. The method of claim 48, wherein:

said preparing step includes inserting in said message alert a suggested change in present or future value based on said likelihood.

50. The method of claim 42, wherein:

said sending step includes sending said message alert in at least one of an e-mail message, a pager message and a web site posting.

51. The method of claim 50, wherein:

said web site posting includes actively updating a web browser screen by execution of at least one of an applet and Java script.

52. The method of claim 42, further comprising a step of:

presenting said message alert at said remote computer as at least one of a text message, a video image, and an audible alert.

53. The method of claim 42, wherein:

said remote computer being at least one of a portable computer, a display board configured to be viewed by multiple traders, a wireless telephony device, and a personal digital assistant.

54. The method of claim 42, further comprising a step of:

querying a database and identifying message addresses of subscribers who requested to be informed when the event occurs, wherein

said sending step includes sending said message alert to message addresses of said subscribers identified in said querying step.

55. A computer-implemented analysis apparatus for providing commodity-value related data to a commodity trader, comprising:

a receiver configured to receive from a transmitter in geostationary orbit real-time image data of a predetermined portion of a surface of the Earth and cloud activity above the predetermined portion, said image data having a resolution that equates to 500 m or better resolution if taken at nadir;

a processor configured to analyze said real-time image data and identify a feature in said real-time image data indicative of an event that affects a present or future value of a commodity, said processor being programmed to prepare a message alert regarding said present or future value of said commodity and identifying said commodity in said message alert; and

an output terminal configured to output to a communication channel said message alert to a remote computer configured to present said message alert to the commodity trader.

56. The analysis apparatus of claim 55, wherein:

said processor being configured to identify as said event at least one of a thunderstorm and a tornado.

57. The analysis apparatus of claim 55, wherein:

said output terminal being configured to send said message alert in at least one of an Internet e-mail message, a voice message and a web site posting.

58. The analysis apparatus of claim 57, wherein:

said processor being configured to implement a web server that downloads at least one of a Java applet, and a Java script so as to dynamically update a display of a web browser implemented on said remote computer.

59. The analysis apparatus of claim 58, further comprising:

a database encoded with message addresses of subscribers to be informed when the event occurs;

wherein

said processor being configured to query said database and determine to which message addresses to send the message alert when the event occurs.

60. A method for managing a transportation fleet, comprising steps of:

receiving from a transmitter in geostationary orbit real-time image data of a predetermined portion of a surface of the Earth and cloud activity above the predetermined portion, said image data having a resolution that equates to 500 m or better resolution if taken at nadir;

analyzing said real-time image data and identifying a feature in said real-time image data indicative of an event that affects an ease of vehicle passability of a predetermined transportation route in said predetermined portion;

preparing a transportation route direction message with an instruction to follow an alternate transportation route; and

sending a transportation route direction message to a remote computer configured to present said transportation route direction message to a vehicle affected by the event.

61. The method of claim 60, wherein:

said identifying step includes identifying as said event at least one of a thunderstorm and a tornado.

62. The method of claim 60, wherein:

said sending step includes sending said transportation route direction message in at least one of an e-mail message, a voice message and a web site posting.

63. The method of claim 62, wherein:

said web site posting includes actively updating a web browser screen by execution of at least one of an applet, and a Java script.

64. The method of claim 60, further comprising a step of:

presenting said transportation route direction message at said remote computer as at least one of a text message, a video image, and an audible alert.

65. The method of claim 60, wherein:

said remote computer being at least one of a portable computer, a navigation device mounted in said vehicle, a wireless telephony device, and a personal digital assistant.

66. The method of claim 60, further comprising steps of:

querying a database and identifying a message addresses of vehicles having travel routes that include at least a portion of said predetermined transportation route, wherein

said sending step includes sending said transportation route direction message to message addresses of said vehicles identified in said querying step.

67. The method of claim 60, wherein:

said predetermined transportation route being at least one of a ground route, an air route, and a water route.

68. The method of claim 60, wherein:

said vehicle being at least one of a truck, a boat, and an airplane.

70. The analysis apparatus of claim 69, wherein:

said processor being configured to identify as said event at least one of a thunderstorm and a tornado.

71. The analysis apparatus of claim 69, wherein:

said output terminal being configured to send said transportation route direction message in at least one of an Internet e-mail message, a voice message and a web site posting.

72. The analysis apparatus of claim 71, wherein:

said processor being configured to implement a web server that downloads at least one of an applet, and a Java script so as to dynamically update a display of a web browser implemented on said remote computer.

73. The analysis apparatus of claim 69, further comprising:

a database encoded with message addresses of vehicles having travel routes that include at least a portion of said predetermined transportation route, wherein

said processor being configured to query said database so as to determine to which message addresses to send the transportation route direction message.

69. A computer-implemented analysis apparatus for managing a transportation fleet, comprising:

a receiver configured to receive from a transmitter in geostationary orbit real-time image data of a predetermined portion of a surface of the Earth and cloud activity above the predetermined portion, said image data having a resolution that equates to 500 m or better resolution if taken at nadir;

a processor configured to analyze said real-time image data and identify a feature in said real-time image data indicative of an event that affects an ease of possibility of a predetermined transportation route in said predetermined portion, said processor being programmed to prepare a transportation route direction message with an instruction to follow an alternate transportation route; and

an output terminal configured to output to a communication channel said transportation route direction message to a remote computer configured to present said transportation route direction message to a vehicle affected by the event.

74. A method for managing a public utility, comprising steps of:

receiving from a transmitter in geostationary orbit real-time image data of a predetermined portion of a surface of the Earth and cloud activity above the predetermined portion, said image data having a resolution that equates to 500 m or better resolution if taken at nadir;

analyzing said real-time image data and identifying a feature in said real-time image data indicative of an event that affects a demand on a predetermined service area;

preparing an asset reallocation message to shift an operational load from assets normally servicing said predetermined service area to other assets of the public utility; and

sending said asset reallocation message to a control computer configured to at least partially shift an operational load from the assets normally servicing the predetermined service area to the other assets.

75. The method of claim 74, wherein:

said identifying step includes identifying as said event at least one of a thunderstorm and a tornado.

76. The method of claim 74, wherein:

said sending step includes sending said asset reallocation message in at least one of an e-mail message, a direct control signal, a voice message and a web site posting.

77. The method of claim 76, wherein:

said web site posting includes actively updating a web browser screen by execution of at least one of an applet, and a Java script.

78. The method of claim 76, wherein:

said assets being electric power assets.

80. The apparatus of claim 79, wherein:

said processor being configured to identify as said event at least one of a thunderstorm and a tornado.

81. The apparatus of claim 79, wherein:

said assets being electric utility assets.

79. A computer-implemented public utility asset allocation apparatus, comprising:

a receiver configured to receive from a transmitter in geostationary orbit real-time image data of a predetermined portion of a surface of the Earth and cloud activity above the predetermined portion, said image data having a resolution that equates to 500 m or better resolution if taken at nadir;

a processor configured to analyze said real-time image data and identify a feature in said real-time image data indicative of an event that affects an amount of loading on a predetermined sector of public utility assets, said processor being programmed to prepare an asset reallocation message with an instruction to reallocate an expected change in load on said sector based on an occurrence of said event; and

an output terminal configured to send said asset reallocation message to a control computer configured to at least partially shift an operational load from the assets in the sector normally servicing the predetermined service area to other public utility assets.

82. A method for modeling weather patterns, comprising steps of:

receiving from a transmitter in geostationary orbit real-time image data of a predetermined portion of a surface of the Earth taken at sub-minute intervals and cloud activity above the predetermined portion, said image data having a resolution that equates to 500 m or better resolution if taken at nadir;

analyzing said real-time image data using time as a parameter having sub-minute resolution between adjacent images produced from said real-time image data;

identifying a feature in said real-time image data indicative of a weather-related event to be tracked;

saving respective locations of said feature for each sub-minute interval;

predicting a movement of said feature by projection of future positions of said feature by projection of a temporal pattern of past positions of said feature saved in said saving step.

83. The method of claim 82, wherein:

said event being at least one of a thunderstorm and a tornado.

84. A method for mitigating weather-related damage and injury by issuing a specific warning message, comprising steps of:

receiving from a transmitter in geostationary orbit real-time image data of a predetermined portion of a surface of the Earth and cloud activity above the predetermined portion, said image data having a resolution that equates to 500 m or better resolution if taken at nadir;

analyzing said real-time image data and identifying a feature in said real-time image data indicative of a serious weather event to effect a warning region within said predetermined portion of the surface of the Earth;

querying a database to identify an address of a subscriber having property located within said warning region;

preparing a message alert addressed to said subscriber; and

sending said message alert to said subscriber so as to enable the subscriber can take affirmative self-security steps and steps to secure property of the subscriber.

85. The method of claim 84, wherein:

said identifying step includes identifying as said serious weather event at least one of a thunderstorm and a tornado.

86. The method of claim 84, wherein:

said preparing step includes inserting a written description of the event in said message alert.

87. The method of claim 84, wherein:

said preparing step includes including image data showing the event in said message alert.

88. The method of claim 84, wherein:

said sending step includes sending said message alert in at least one of an e-mail message, a voice message and a web site posting.

89. The method of claim 88, wherein:

said web site posting includes actively updating a web browser screen by execution of at least one of an applet, and a Java script.

90. A computer-implemented analysis apparatus for mitigating weather-related damage and injury by issuing a specific warning message, comprising:

a receiver configured to receive from a transmitter in geostationary orbit real-time image data of a predetermined portion of a surface of the Earth and cloud activity above the predetermined portion, said image data having a resolution that equates to 500 m or better resolution if taken at nadir;

a computer readable medium configured to hold a database of subscriber information, said database including an address and a geographic region for a subscriber;

a processor configured to analyze said real-time image data and identify a feature in said real-time image data indicative of a serious weather event to effect a warning region within said predetermined portion of the surface of the Earth, said processor being programmed to query the database and preparing a message alert addressed to said particular subscriber if said warning region coincides with said geographic region for said subscriber; and

an output terminal configured to output to a communication channel said message alert to a remote computer configured to present said message alert to the subscriber.

91. The analysis apparatus of claim 90, wherein:

said processor being configured to identify as said severe-weather event at least one of a thunderstorm and a tornado.

92. The analysis apparatus of claim 90, wherein:

said output terminal being configured to send said message alert in at least one of an Internet e-mail message, a voice message and a web site posting.

93. The analysis apparatus of claim 92, wherein:

said processor being configured to implement a web server that downloads at least one of an applet, and a Java script so as to dynamically update a display of a web browser implemented on said remote computer.

94. A method for assessing weather-related damage, comprising steps of:

receiving from a transmitter in geostationary orbit real-time image data of man-made and natural features in a predetermined portion of a surface of Earth, said image data having a resolution that equates to 500 m or better resolution if taken at nadir;

analyzing said real-time image data and identifying a change in said features after a serious weather-related event relative to before an occurrence of said serious weather-related event;

preparing an assessment message configured to convey to an assessment agency said change in said features; and

sending said assessment message to said assessment agency.

95. The method of claim 94, wherein:

said assessment agency being an insurance company.

96. The method of claim 95, wherein:

said features being at least one of a residence of a property owner.

97. The method of claim 94, wherein:

said assessment agency being an insurance appraiser.

98. A weather-related damage assessment apparatus, comprising:

means for receiving from a transmitter in geostationary orbit real-time image data of man-made and natural features in a predetermined portion of a surface of the Earth, said image data having a resolution that equates to 500 m or better resolution if taken at nadir;

means for analyzing said real-time image data and means for identifying a change in said features after a serious weather-related event relative to before an occurrence of said serious weather-related event;

means for preparing an assessment message configured to convey an indication of said change in said features; and

means for sending said assessment message to said assessment agency.