Data communication device and method of processing transmitted data

• US 20010002365A1
• Filed: 11/29/2000
• Published: 05/31/2001
• Est. Priority Date: 11/30/1999
• Status: Active Grant

• Current Assignee: Sharp Kabushiki Kaisha (Hon Hai Precision Industry Co., Ltd.)
• Original Assignee: Sharp Kabushiki Kaisha (Hon Hai Precision Industry Co., Ltd.)
• Inventors: Hirata, Masafumi, Minakuchi, Mitsuru, Shibao, Tadahide
• Granted Patent: US 7,233,988 B2
• Time in Patent Office: Days
• US Class Current: 455/556.2
• CPC Class Codes: H04W 28/06 Optimizing the usage of the radio link, e.g. header compression, information sizing , discarding information system modifying transmission characteristic according to link quality by modifying frame length H04L1/0007; dynamic adaptation of the packet size for flow control or congestion control H04L47/365
• CPC Class Codes: H04W 28/14 using intermediate storage
• CPC Class Codes: H04W 8/005 Discovery of network devices, e.g. terminals
• CPC Class Codes: H04W 88/02 Terminal devices

Abstract

A data communication device for data communication through radio among a plurality of devices includes a reception circuit receiving data, a storage circuit connected to the reception circuit to store received data, a transmission circuit connected to the storage circuit to search for one data communication device capable of communication therewith, and transmitting the data stored in the storage circuit into the found data communication device, and a control unit connected to the storage circuit, controlling the storage circuit to delete the data transmitted to the found data communication device in response to receiving reception complete data representing reception of data from the found data communication device.

Claims

1. A data communication device for data communication among a plurality of devices, comprising:

a reception circuit receiving data,

a storage circuit connected to said reception circuit, storing said received data,

a transmission circuit connected to said storage circuit, searching for one data communication device capable of communication therewith, and transmitting said data stored in said storage circuit to the found data communication device, and

a control unit connected to said storage circuit, controlling said storage circuit so that data transmitted to said found data communication device is deleted from said storage circuit.

2. The data communication device according to

claim 1

, wherein said control unit controls said reception circuit so that reception complete data representing reception of said data is received from said found data communication device, and data transmitted to said found data communication device is deleted in response to reception of said reception complete data.

3. The data communication device according to

claim 1

, further comprising an inquiry data transmission circuit transmitting inquiry data inquiring about whether reception of said data is possible or not to said found data communication device prior to transmitting said data, based on a predetermined condition,

wherein said control unit controls said reception circuit so as to prepare for reception of said data in response to reception of said inquiry data.

4. The data communication device according to

claim 3

, further comprising a mode switch circuit switching an operation mode to a transmission mode transmitting data and to a reception mode receiving data,

wherein said condition corresponds to storage of data to be transmitted to said one data communication device capable of communication therewith in said storage circuit and the operation mode of said data communication device being a transmission mode.

5. The data communication device according to

claim 3

, further comprising an identification data storage circuit storing identification data to identify itself,

said data being received by said reception circuit via at least one of said data communication device,

said inquiry data including at least one of identification data to identify a data communication device through which data has passed before said data arrives at the data communication device transmitting said inquiry data,

wherein said control unit includes a circuit rejecting reception of data when identification data stored in said identification data storage circuit is included in identification data included in said received inquiry data.

6. The data communication device according to

claim 5

, wherein said inquiry data includes a predetermined number of identification data to identify a data communication device through which data has passed before said data arrives at the data communication device transmitting said inquiry data.

7. The data communication device according to

claim 1

, said data including appendix data stored so as to be displayed to a user of a data communication device,

said data communication device further comprising:

a display circuit displaying said appendix data.

8. The data communication device according to

claim 7

, said appendix data being data representing a virtual character,

said data communication device further comprising:

a modify circuit modifying said appendix data so as to change the virtual character displayed at said display circuit.

9. The data communication device according to

claim 7

, wherein said control unit controls said transmission circuit so as to remove said appendix data from a transmission object to said found one data communication device.

10. The data communication device according to

claim 9

, wherein said control unit controls said transmission circuit so as to include again into said transmission object said appendix data excluded from said transmission object.

11. The data communication device according to

claim 8

, said data being received by said reception circuit via at least one of said data communication device,

said data communication device further comprising an inquiry data transmission circuit transmitting inquiry data inquiring about whether reception of said data is possible or not to said found data communication device prior to transmitting said data, based on a predetermined condition,

said data including, in addition to said appendix data, history data representing at least one of data communication devices through which data has passed before said data arrives at the data communication device transmitting said inquiry data,

wherein said modify circuit includes a circuit modifying said appendix data based on history data.

12. The data communication device according to

claim 11

, said history data being data representing the number of times said data has passed said data communication devices,

wherein said modify circuit includes a circuit modifying said appendix data based on said number of times.

13. The data communication device according to

claim 1

, said data being received by said reception circuit via at least one of said data communication device,

said data including history data representing at least one of data communication devices through which data has passed before said data arrives at said data communication device transmitting said inquiry data,

wherein said control unit determines whether to execute a predetermined process in said data communication device based on whether said history data satisfies a predetermined condition or not, and controlling said data communication device according to said determination.

14. The data communication device according to

claim 13

, said history data representing the number of times said data has passed through said data communication devices,

said control unit determining execution of said predetermined process when said number of times corresponds to a predetermined number.

15. The data communication device according to

claim 1

, further comprising:

an identification data storage circuit storing identification data to identify itself, and

a display circuit displaying received data,

wherein said transmission circuit includes a circuit transmitting data with identification data to said found one data communication device,

said control unit controlling said display circuit so as to display received data when the identification data appended to the data received by said reception circuit matches the identification data stored in said identification data storage circuit.

16. The data communication device according to

claim 15

, further comprising an input circuit entering an identification data to identify a data communication device to which data is to be transmitted from its own data communication device.

17. The data communication device according to

claim 1

, wherein said storage circuit includes a circuit storing a plurality of said data,

said data communication device further comprising a select circuit connected to said storage circuit, selecting data from said plurality of data stored in said storage circuit,

wherein said transmission circuit includes a circuit transmitting said data selected by said select circuit.

18. The data communication device according to

claim 7

, further comprising:

an appendix data storage circuit storing appendix data; and

a control circuit connected to said storage circuit and said appendix data storage circuit, appending the appendix data stored in said appendix data storage circuit to said data and storing said data with said appended data in said storage circuit when said data stored in said storage circuit satisfies a predetermined condition.

19. The data communication device according to

claim 3

, said data being received by said reception circuit via at least one of said data communication device,

said data including history data representing a data communication device through which data has passed before said data arrives at the data communication device transmitting said inquiry data,

said data communication device further comprising a control circuit connected to said storage circuit, applying a predetermined process on history data stored in said storage circuit when said history data in said data stored in said storage circuit satisfies a predetermined condition.

20. The data communication device according to

claim 19

, wherein said control circuit includes a circuit initializing history data stored in said storage circuit when said history data in said data stored in said storage circuit satisfies a predetermined condition.

21. A data communication method for data communication among a plurality of data communication devices, comprising the steps of:

receiving data,

storing data received at the step of receiving data,

searching for one data communication device capable of communication therewith,

transmitting data stored at the step of storing said data to the data communication device found at the step of searching for a data communication device, and

deleting the data transmitted to said found data communication device.

22. The data communication method according to

claim 21

, further comprising the step of receiving reception complete data representing reception of said data from said found data communication device,

wherein said step of deleting data includes the step of deleting data transmitted to said found data communication device in response to reception of said reception complete data.

23. The data communication method according to

claim 21

, further comprising the steps of:

transmitting inquiry data inquiring about whether reception of said data is possible or not to said found data communication device, prior to transmitting said data, based on a predetermined condition, and

preparing reception of said data in response to reception of said inquiry data.

24. The data communication method according to

claim 23

, further comprising the step of switching an operation mode to a transmission mode transmitting data and to a reception mode receiving data,

wherein said condition corresponds to storage of data to be transmitted to said one data communication device capable of communication therewith and the operation mode of said data communication device being a transmission mode.

25. The data communication method according to

claim 23

, further comprising the step of preparing in advance identification data to identify said data communication device,

said data being received via at least one of said data communication device,

said inquiry data including at least one identification data to identify a data communication device through which data has passed before said data arrives at the data communication device transmitting said inquiry data,

wherein said step of preparing reception includes the step of rejecting reception of data when there is identification data prepared at the step of preparing in advance said identification data in the identification data included in said received inquiry data.

26. The data communication method according to

claim 25

, said inquiry data including a predetermined number of identification data to identify a data communication device through which data has passed before said data arrives at the data communication device transmitting said inquiry data.

27. The data communication method according to

claim 21

, said data including appendix data stored so as to be displayed to a user of said communication device,

said data communication method further comprising the step of displaying said appendix data.

28. The data communication method according to

claim 27

, said appendix data being data representing a virtual character,

said data communication method further comprising the step of modifying said appendix data so as to change the virtual character displayed at the step of displaying said appendix data.

29. The data communication method according to

claim 27

, further comprising the step of removing said appendix data from a transmission object to said found one data communication device.

30. The data communication method according to

claim 29

, further comprising the step of including again in said transmission object said appendix data removed from said transmission object.

31. The data communication method according to

claim 28

, said data being received via at least one of said data communication device,

said data communication method further comprising the step of transmitting inquiry data inquiring about whether reception of said data is possible or not to said found data communication device prior to transmitting said data, based on a predetermined condition,

said data including, in addition to said appendix data, history data representing at least one of data communication devices through which data has passed before said data arrives at said data communication device transmitting said inquiry data,

said step of modifying appendix data including the step of modifying said appendix data according to said history data.

32. The data communication method according to

claim 31

, said history data representing the number of times said data has passed said data communication devices,

wherein said step of modifying appendix data includes the step of modifying said appendix data based on said number of times.

33. The data communication method according to

claim 21

, said data being received via at least one of said data communication device,

said data including history data representing at least one of data communication devices through which data has passed before said data arrives at the data communication device transmitting said inquiry data,

said data communication method further comprising the step of determining whether to execute a predetermined process or not in said data communication device based on whether said history data satisfies a predetermined condition, and controlling said data communication device according to said determination.

34. The data communication method according to

claim 33

, wherein said history data is data representing the number of times said data has passed said data communication devices,

wherein said step of controlling the data communication device includes the step of determining execution of said predetermined process when said number of times is a predetermined number.

35. The data communication method according to

claim 21

, further comprising the step of preparing in advance an identification data to identify said data communication device,

wherein said step of transmitting data includes the step of transmitting data with identification data to said found one data communication device,

said data communication method further comprising the step of displaying said received data when the identification data appended to the data received at the step of receiving data matches the identification data prepared at the step of preparing in advance said identification data.

36. The data communication method according to

claim 35

, further comprising the step of entering identification data to identify a data communication device to which data is to be transmitted.

37. The data communication method according to

claim 21

, wherein said step of storing data includes the step of storing a plurality of said data,

said data communication method further comprising the step of selecting data from said plurality of data stored at the step of storing data,

wherein said step of transmitting data includes the step of transmitting said data selected at the step of selecting data.

38. The data communication method according to

claim 27

, further comprising the steps of:

preparing appendix data, and

appending appendix data prepared at the step of preparing appendix data to said data, and storing said data with said appendix data when said data stored at the step of storing data satisfies a predetermined condition.

39. The data communication method according to

claim 23

, said data being received via at least one of said data communication device,

said data including history data representing a data communication device through which data has passed before said data arrives at said data communication device transmitting said inquiry data,

said data communication method further comprising the step of applying a predetermined process on said stored history data when said history data included in said data stored at the step of storing data satisfies a predetermined condition.

40. The data communication method according to

claim 39

, wherein said step of applying a predetermined process includes the step of initializing said stored history data when said history data included in said data stored at the step of storing data satisfies a predetermined condition.

41. A computer-readable recording medium recorded with a program realizing a data communication method for data communication among a plurality of data communication devices, said data communication method comprising the steps of:

receiving data,

storing data received at the step of receiving data,

searching for one data communication device capable of communication therewith,

transmitting data stored at the step of storing said data to the data communication device found at the step of searching for a data communication device, and

deleting the data transmitted to said found data communication device.

42. The recording medium according to

claim 41

, said data communication method further comprising the step of receiving reception complete data representing reception of said data from said found data communication device,

wherein said step of deleting data includes the step of deleting data transmitted to said found data communication device in response to reception of said reception complete data.

43. The recording medium according to

claim 41

, said data communication method comprising the steps of

transmitting inquire data inquiring about whether reception of said data is possible or not to said found data communication device, prior to transmitting said data, based on a predetermined condition, and

preparing reception of said data in response to reception of said inquiry data.

44. The recording medium according to

claim 43

, said data communication method further comprising the step of switching an operation mode to a transmission mode transmitting data and to a reception mode receiving data,

wherein said condition corresponds to storage of data to be transmitted to said one data communication device capable of communication therewith and the operation mode of said data communication device being a transmission mode.

45. The recording medium according to

claim 43

, said data communication method further comprising the step of preparing in advance identification data to identify said data communication device,

said data being received via at least one of said data communication device,

said inquiry data including at least one identification data to identify a data communication device through which data has passed before said data arrives at the data communication device transmitting said inquiry data,

wherein said step of preparing reception includes the step of rejecting reception of data when there is identification data prepared at the step of preparing in advance identification data in the identification data included in said received inquiry data.

46. The recording medium according to

claim 45

, said inquiry data including a predetermined number of identification data to identify a data communication device through which data has passed before said data arrives at the data communication device transmitting said inquiry data.

47. The recording medium according to

claim 41

, said data including appendix data stored so as to be displayed to a user of said data communication device,

said data communication method further comprising the step of displaying said appendix data.

48. The recording medium according to

claim 47

, said appendix data being data representing a virtual character,

said data communication method further comprising the step of modifying said appendix data so as to change the virtual character displayed at the step of displaying appendix data.

49. The recording medium according to

claim 47

, said data communication method further comprising the step of removing said appendix data from a transmission object to said found one data communication device.

50. The recording medium according to

claim 49

, said data communication method further comprising the step of including again in said transmission object said appendix data removed from said transmission object.

51. The recording medium according to

claim 48

, said data being received via at least one of said data communication device,

said data communication method further comprising the step of transmitting inquiry data inquiring about whether reception of said data is possible or not to said found data communication device prior to transmitting said data, based on a predetermined condition,

said data including, in addition to said appendix data, history data representing at least one of data communication devices through which data has passed before said data arrives at said data communication device transmitting said inquiry data,

said step of modifying appendix data including the step of modifying said appendix data according to said history data.

52. The recording medium according to

claim 51

, said history data representing the number of times said data has passed said data communication devices,

wherein said step of modifying appendix data includes the step of modifying said appendix data based on said number of times.

53. The recording medium according to

claim 41

, said data being received via at least one of said data communication device,

said data includes history data representing at least one of data communication devices through which data has passed before said data arrives at the data communication device transmitting said inquiry data,

said data communication method further comprising the step of determining whether to execute a predetermined process or not in said communication device based on whether said history data satisfies a predetermined condition or not, and controlling said data communication device according to said determination.

54. The recording medium according to

claim 53

, wherein said history data is data representing the number of times said data has passed said data communication devices,

wherein said step of controlling the data communication device includes the step of determining execution of said predetermined process when said number of times is a predetermined number.

55. The recording medium according to

claim 41

, said data communication method further comprising the step of preparing in advance an identification data to identify said data communication device,

wherein said step of transmitting data includes the step of transmitting data with identification data to said found one data communication device,

said data communication method further comprising the step of displaying said received data when the identification data appended to the data received at the step of receiving data matches the identification data prepared at the step of preparing in advance said identification data.

56. The recording medium according to

claim 55

, said data communication method further comprising the step of entering identification data to identify a data communication device to which data is to be transmitted.

57. The recording medium according to

claim 41

, wherein said step of storing data includes the step of storing a plurality of said data,

said data communication method further comprising the step of selecting data from said plurality of data stored at the step of storing data,

wherein said step of transmitting data includes the step of transmitting said data selected at the step of selecting data.

58. The recording medium according to

claim 47

, said data communication method further comprising the steps of

preparing appendix data, and

appending appendix data prepared at the step of preparing appendix data to said data, and storing said data with said appendix data when said data stored at the step of storing data satisfies a predetermined condition.

59. The recording medium according to

claim 43

, said data being received via at least one of said data communication device,

said data including history data representing a data communication device through which data has passed before said data arrives at the data communication device transmitting said inquiry data,

said data communication method further comprising the step of applying a predetermined process on said stored history data when said history data included in said data stored at the step of storing data satisfies a predetermined condition.

60. The recording medium according to

claim 59

, wherein said step of applying a predetermined process includes the step of initializing said stored history data when said history data included in said data stored at the step of storing data satisfies a predetermined condition.