METHOD FOR TRANSMITTING/RECEIVING PORTIONS OF AN AUDIO SIGNAL BASED ON A PRIORITY OF EACH PORTION

• US 20010001763A1
• Filed: 01/20/1999
• Published: 05/24/2001
• Est. Priority Date: 08/06/1996
• Status: Active Grant

• Current Assignee: Seigo Ito
• Original Assignee: Seigo Ito
• Inventors: ITO, SEIGO
• Granted Patent: US 6,363,240 B2
• Time in Patent Office: Days
• US Class Current: 455/512
• CPC Class Codes: G01C 21/28 with correlation of data from several navigational instruments
• CPC Class Codes: G01S 19/36 relating to the receiver frond end
• CPC Class Codes: G01S 19/48 by combining or switching between position solutions derived from the satellite radio beacon positioning system and position solutions derived from a further system
• CPC Class Codes: G01S 2205/002 for traffic control, mobile tracking, guidance, surveillance or anti-collision
• CPC Class Codes: G01S 2205/008 using a mobile telephone network

Abstract

A position measuring apparatus according to the present invention includes a first position measuring means for position measuring a first position by receiving a first radio wave, a second position measuring means for position measuring a second position by receiving a second radio wave, an evaluating means for evaluating uncertainty of data derived from the first position measuring means and/or the second position measuring means, and a selecting means for selecting data from the first position measuring means or the second position measuring means based on an output signal of the evaluating means.

Claims

1. Position measuring apparatus comprising;

a first position measuring means for position measuring a first position by receiving a first radio wave;

a second position measuring means for position measuring a second position by receiving a second radio wave;

an evaluating means for evaluating uncertainty of data derived from said first position measuring means and/or said second position measuring means; and

a selecting means for selecting data from said first position measuring means or said second position measuring means based on an output signal of said evaluating means.

2. Position measuring apparatus as claimed in

claim 1

wherein said first and second position measuring means receive radio wave without transmitting a data request signal.

3. Position measuring apparatus as claimed fin

claim 2

, wherein said first position measuring means receives a radio wave from a satellite, and said second position measuring means receives a radio wave not from a satellite.

4. Position measuring apparatus as claimed in

claim 3

, wherein said first position measuring means receives a radio wave from a GPS satellite, and said second position measuring means receives a radio wave from a base station of mobile telephone network.

5. Position measuring apparatus as claimed in

claim 4

, wherein said evaluating uncertainty of data is executed using a GDOP signal in a GPS system.

6. Position measuring apparatus as claimed in

claim 4

, wherein said evaluation uncertainty of data is executed using a position signal from said base station of mobile telephone network.

7. Position measuring apparatus as claimed in

claim 4

, wherein said second position measuring means determines a position by using one and/or two and/or three radio wave(s).

8. Position measuring apparatus as claimed in

claim 4

, wherein said second position measuring means determine a position by using a decoded signal and a signal strength of a received signal.

9. Position measuring apparatus as claimed in

claim 4

, wherein said first position measuring means is utilized only in a case that a condition of a received signal form said second position measuring mens is no satisfactory.

10. Position measuring apparatus as claimed in

claim 4

, wherein said second position measuring means further comprises, for enabling not only position measuring but also communicating, a sound signal processing means for processing an audio signal to communicate in a voice signal, and a transmitting means for transmitting an RF signal modulated by an output signal of said sound signal processing means.

11. Position measuring apparatus as claimed in

claim 4

, wherein said second position measuring means further comprises a data receiving means for receiving transmitted data which includes not only an identification signal of a base station but also other data signal, and a displaying means for displaying an output signal of said data receiving means.

12. Position measuring apparatus from a position of plural reference stations comprising;

a receiving means for receiving plural radio waves from plural reference stations,

a position measuring means for portioning by said received plural radio wave, wherein said position measuring means determines a position by using a decoded signal and a signal strength of a received signal.

13. Navigation apparatus comprising:

a first position measuring means for position-measuring a first position by receiving a radio wave from a GPS satellite;

a second position measuring means for portioning a second position by receiving a radio wave from a base station of cellar telephone system without transmitting any request signal for position-measuring to said base station;

an evaluating means for evaluating uncertainty of data derived from said first position measuring means and/or said second position measuring means;

a selecting means for selecting data from said first position measuring means or said second position measuring based on an output signal of said evaluating means;

a data storage means for storing map data;

a display signal generating means for generating a display signal by composing an output signal from said selecting means and output data from said data storage means; and

a display means for displaying said display signal.

14. Navigation apparatus as claimed in

claim 13

, wherein said second position measuring means determines a position by using a decoded signal and a signal strength of a received signal.

15. Navigation apparatus as claimed in

claim 13

, wherein said second position measuring means further comprises, for enabling not only position measuring but also communicating, a sound signal processing means for processing an audio signal to communicate in a voice signal, and a transmitting means for transmitting an RF signal modulated by an output signal of said sound signal processing means.

16. Navigation apparatus as claimed in

claim 13

, wherein said second position measuring means further comprises a data receiving means for receiving transmitted data which includes not only an identification signal of a base station but also other data signal, and a displaying means for displaying an output signal of said data receiving means.

17. Navigation apparatus as claimed in

claim 16

, wherein said other data signal and a signal which is displayed included traffic information.

18. Navigation apparatus as claimed in

claim 16

, wherein said other data signal and a signal which is displayed include weather information.

19. Navigation apparatus claimed in

claim 16

, wherein said other data signal and a signal which is displayed include news information.

20. Navigation apparatus as claimed in

claim 16

, wherein said other data signal and a signal which is displayed include advertisement information.

21. Navigation apparatus as claimed in

claim 16

, wherein an image of said displaying an output signal is overlapped to an image of said map.

22. Navigation apparatus as claimed in

claim 16

, wherein an image of said displaying an output signal is displayed to another region from an image of said map.

23. Navigation apparatus comprising:

a first position measuring means for position measuring a first position by receiving a radio wave from a GPS satellite;

a second position measuring means for position measuring a second position by receiving a radio wave from a base station of cellar telephone system without transmitting any request signal for position measuring to said base station;

an evaluating means for evaluating uncertainty of data derived from said first position measuring means and/or said second position measuring means;

a selecting means for selecting data from said first position measuring means or said second position measuring means based on an output signal of said evaluating means;

a data storage means for storing map data;

a display signal generating means for generating a display signal by composing an output signal from said selecting means and output data from said data storage means;

a display means for displaying said display signal;

an input means for entering a request from an user;

a service request signal transmitting means for transmitting a service request signal to a request predetermined service except position measuring based on an output signal of said input means;

a service signal receiving means for receiving a service information transmitted corresponding to said service request signal; and

an output means for making an output signal from an output signal of said service signal receiving means.

24. Navigation apparatus as claimed in

claim 23

, wherein said service request signal is a route searching request signal, and said output means is the same to said display means and a route is shown overlapped to said map.

25. Navigation apparatus as claimed in

claim 23

, wherein said service is a musical related service, and said output means generates an audio signal.

26. Navigation apparatus as claimed in

claim 25

, wherein character information is simultaneously displayed at the time when said audio signal is generated.

27. Navigation apparatus as claimed in

claim 23

, wherein said service is a connecting service to a computer network.

28. Navigation apparatus as claimed in

claim 25

, wherein said output means generates an information at the time when a predetermined time has passed even if a transferred information is not enough.

29. Navigation apparatus as claimed in

claim 28

wherein said output means generates an information with priority.

30. Position measuring method comprising steps of:

a first position measuring step for position measuring a first position by receiving a first radio wave;

a second position measuring step for position measuring a second position by receiving a second radio wave, evaluating step for evaluating uncertainty of data derived from said first position measuring step and/or said second position measuring step; and

a selecting step for selecting data from said first position measuring step or said second position measuring step based on an output signal of said evaluating step.

31. Position measuring method as claimed in

claim 30

, wherein said first and second position measuring steps receive a radio wave without transmitting a data request signal.

32. Position measuring method as claimed in

claim 31

, wherein in said first position measuring step a radio wave from a satellite is received, and in said second position measuring step a radio wave not from a satellite is received.

33. Position measuring method as claimed in

claim 32

, wherein in said first position measuring step a radio wave from GPS satellite is received, and in said second position measuring step a radio wave from a base station of mobile telephone network is received.

34. Position measuring method from a position of plural reference station comprising steps of:

a receiving step for receiving plural radio waves from plural reference stations;

a position measuring step for position measuring by said received plural radio wave, wherein in said position measuring step a position is determined by using a decoded signal and a signal strength of a received signal.

35. Navigation method comprising steps of:

a first position measuring step for position measuring a first position by receiving a radio wave from a GPS satellite;

a second position measuring step for position measuring a second position by receiving a radio wave from a base station of cellar telephone system without transmitting any request signal for position measuring to said base station;

an evaluating step for evaluating uncertainty of data derived from said first position measuring step and/or said second position measuring step;

a selecting step for selecting data from said first position measuring step or said second position measuring step based on an output signal of said evaluating step; and

a display step for displaying a signal by composing an output signal from said selecting step and map data.

36. Navigation method as claimed in

claim 35

, wherein in said second position measuring step a position is determined by using a decoded signal and a signal strength of a received signal.

37. Navigation method as claimed in

claim 35

further comprising:

a step of communicating step for communicating, wherein said communicating step comprises sound signal processing step for processing an audio signal to communicate in a voice signal, and transmitting step for transmitting an RF signal modulated by an output signal of said sound signal processing step.

38. Navigation method as claimed in

claim 35

further comprising a step of;

a data receiving step for receiving a transmitted data which includes not only an identification signal of base station but also other data signal; and

a displaying step for displaying an output signal of said data receiving step.

39. Navigation method comprising steps of:

a first position measuring step for position measuring a first position by receiving a radio wave form a GPS satellite;

a second position measuring step for position measuring a second position by receiving a radio wave from a base station of cellar telephone system without transmitting any request signal for position measuring to said base station;

an evaluating step for evaluation uncertainty of data derived from said first position measuring step and/or said second portioning step;

a selecting step for selecting data from said first position measuring step or said second position measuring step based on an output signal of said evaluating step;

a display signal generating step for generating a display signal by composing an output signal from said selecting step and output map data from a data storage means;

a display step for displaying said display signal;

an input step for receiving an entering request from an user;

a service request signal transmitting step for transmitting a service request signal to a request predetermined service except position measuring based on an output signal of said input step;

a service signal receiving step for receiving service information transmitted corresponding to said service request signal; and

an output step for making an output signal from an output signal of said service signal receiving step.

40. Navigation method as claimed in

claim 39

, wherein said service information is a musical related information, and said output step generates an audio signal.

41. Navigation method as claimed in

claim 40

, wherein in said output step there is generated an information at the time when a predetermined time has passed even if a transferred information is not enough.

42. Information distribution method comprising steps of:

a request signal receiving step for receiving a service request signal from a user;

a transmitting step for transmitting a musical related information from a base station of mobile telephone network on a predetermined cell by said service request signal; and

an audio signal generating step for generating an audio signal from said musical related information at a subscriber side.

43. Car apparatus comprising;

a first position measuring means for position measuring a first position by receiving a radio wave from a GPS satellite;

a second position measuring means for position measuring a second position by receiving a radio wave from a base station of cellar telephone system without transmitting any request signal for position measuring to said base station;

an evaluating means for evaluating uncertainty of data derived from said first position measuring means and/or said second position measuring means;

a selecting means for selecting data from said first position measuring means or said second position measuring means based on an output signal of said evaluating means;

a data storage means for storing map data;

a display signal generating means for generating a display signal by composing an output signal from said selecting means and an output data from said data storage means; and

a display means for displaying said display signal.

44. Car apparatus comprising:

a first position measuring means for position measuring a first position by receiving a radio wave from a GPS satellite;

a second position measuring means for portioning a second position by receiving a radio wave from a base station of cellar telephone system without transmitting any request signal for position measuring to said base station;

an evaluating means for evaluating uncertainty of data derived from said first position measuring means and/or said second position measuring means;

a selecting means for selecting data from said first position measuring means or said second position measuring means based on an output signal of said evaluating means;

a data storage means for storing map data;

a display signal generating means for generating a display signal by composing an output signal from said selecting means and an output data from said data storage means;

a display means for displaying said display signal;

an input means for entering a request from an user;

a service request signal transmitting means for transmitting a service request signal to a request predetermined service except position measuring based on an output signal of said input means;

a service signal receiving means for receiving a service information transmitted corresponding to said service request signal; and

an output means for making an output signal from an output signal of said service signal receiving means.

45. Audio signal transmitting method for an audio signal with a first priority and an audio signal with an n-th priority (n is an integer equal to or greater than 2.) comprising a step of:

a transmitting step for transmitting said audio signal with a priority that said priority corresponds an audio signal to be transmitted in a predetermined order.

46. Audio signal transmitting method as claimed in

claim 45

, wherein said predetermined order is an order corresponding between said priority and a frequency band of said audio signal.

47. Audio signal transmitting method as claimed in

claim 45

, wherein said predetermined order is an order corresponding between said priority and a kind of information whether main or sub information related to said audio signal.

48. Audio signal transmitting method as claimed in

claim 45

, wherein said predetermined order is an order corresponding between said priority and a kind of information whether added or subtracted component of said audio signal.

49. Audio signal receiving method comprising steps of:

a receiving step for receiving a signal;

a detecting step for detection a condition of a received signal;

a utilizing step for utilizing information which has higher priority than a predetermined level based on a result of said detecting step.

50. Audio signal receiving method as claimed in

claim 49

, wherein said information which has a higher priority than a predetermined level corresponds to a frequency band of said audio signal.

51. Audio signal receiving method as claimed in

claim 49

, wherein said information which has a higher priority than a predetermined level is corresponded to a kind of information whether main or sub information related to said audio signal.

52. Audio signal receiving method as claimed in

claim 49

, wherein said information which has a higher priority than a predetermined level is corresponded to a kind of information whether added or subtracted component of said audio signal.