IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
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출원번호 |
US-0986631
(2011-01-07)
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등록번호 |
US-8630314
(2014-01-14)
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발명자
/ 주소 |
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
79 인용 특허 :
202 |
초록
▼
Apparatus includes at least two devices that communicate with each other, wherein a first one of the at least two devices having an IEEE 1588 precision time protocol interface, the interface including one or more components configured for communications in both a wired manner and a wireless manner w
Apparatus includes at least two devices that communicate with each other, wherein a first one of the at least two devices having an IEEE 1588 precision time protocol interface, the interface including one or more components configured for communications in both a wired manner and a wireless manner with a second one of the at least two devices. The second one of the at least two devices having an IEEE 1588 precision time protocol interface, the interface including one or more components configured for communications in both a wired manner and a wireless manner with the first one of the at least two devices. Wherein one of the at least two devices includes a master clock and the other one of the at least two devices includes a slave clock, wherein the master clock communicates a time to the slave clock and the slave clock is responsive to the communicated time from the master clock to adjust a time of the slave clock if necessary to substantially correspond to the time of the master clock, thereby time synchronizing the at least two devices together.
대표청구항
▼
1. Apparatus including at least two metrology devices that communicate with each other in a bidirectional manner, the apparatus comprising: a first one of the at least two metrology devices having an IEEE 1588 precision time protocol interface, the interface including one or more components configur
1. Apparatus including at least two metrology devices that communicate with each other in a bidirectional manner, the apparatus comprising: a first one of the at least two metrology devices having an IEEE 1588 precision time protocol interface, the interface including one or more components configured for bidirectional communications in both a wired manner and a wireless manner with a second one of the at least two metrology devices;the second one of the at least two metrology devices having an IEEE 1588 precision time protocol interface, the interface including one or more components configured for bidirectional communications in both a wired manner and a wireless manner with the first one of the at least two metrology devices;wherein one of the at least two metrology devices includes a master clock and the other one of the at least two metrology devices includes a slave clock, wherein the master clock communicates a time to the slave clock and the slave clock is responsive to the communicated time from the master clock to adjust a time of the slave clock if necessary to substantially correspond to the time of the master clock, thereby time synchronizing the at least two metrology devices together; andwherein each metrology device measures a parameter and wherein the measurements made by each metrology device occur in a time synchronized manner as a result of the time of the slave clock substantially corresponding to the time of the master clock. 2. The apparatus of claim 1, wherein the at least two metrology devices are connected in a distributed network. 3. The apparatus of claim 1, wherein the wired communications occur over an Ethernet local area network. 4. The apparatus of claim 1, wherein the wireless communications occur over a Wi-Fi network. 5. The apparatus of claim 1, wherein each metrology device comprises a device from the group that includes an articulated arm coordinate measuring machine (AACMM), an AACMM having a scanner attached thereto, a laser tracker, and a laser scanner. 6. The apparatus of claim 1, wherein each metrology device comprises a device from the group that includes an articulated arm coordinate measuring machine (AACMM) having a scanner attached thereto and a laser tracker, wherein each of the AACMM and the laser tracker track the position of the scanner attached to the AACMM. 7. The apparatus of claim 6, wherein each of the AACMM and the laser tracker tracks the position of the scanner attached to the AACMM during one of an AACMM relocation procedure or an AACMM calibration procedure. 8. The apparatus of claim 2, wherein the distributed network comprises one from the group that includes a real time industrial network and an enterprise network. 9. The apparatus of claim 2, wherein the distributed network comprises one from the group that includes an infrastructure network and an ad hoc network. 10. The apparatus of claim 1, further comprising a router that connects in a wired and/or wireless manner with each one of the at least two metrology devices, wherein the router includes an IEEE 1588 precision time protocol interface. 11. The apparatus of claim 1, wherein the wired communications occur over an Ethernet local area network in a Synchronous Ethernet manner. 12. The apparatus of claim 1, wherein the IEEE 1588 precision time protocol interface within each of the two metrology devices implements hardware assisted timestamping. 13. The apparatus of claim 1, wherein the IEEE 1588 precision time protocol interface within each of the two metrology devices further comprises a switch having at a first input thereof a wired connection from the other one of the at least two metrology devices and having at a second input thereof a wireless connection from the other one of the at least two metrology devices, wherein the wireless connection from the other one of the at least two metrology devices includes one or more components that convert the wireless connection to a wired connection that is applied to the second input of the switch. 14. The apparatus of claim 1, wherein the IEEE 1588 precision time protocol interface within each of the two metrology devices implements hardware assisted timestamping such that when the master clock communicates a time to the slave clock and the slave clock is responsive to the communicated time from the master clock to adjust a time of the slave clock if necessary to correspond to the time of the master clock with a difference between the time of the master clock and the time of the slave clock being no greater than 500 nanoseconds. 15. A method for communicating between at least two metrology devices in a bidirectional manner, the method comprising the steps of: providing a first one of the at least two metrology devices with an IEEE 1588 precision time protocol interface configured for bidirectional communications in both a wired manner and a wireless manner with a second one of the at least two metrology devices;providing the second one of the at least two metrology devices with an IEEE 1588 precision time protocol interface configured for bidirectional communications in both a wired manner and a wireless manner with the first one of the at least two metrology devices;wherein one of the at least two metrology devices includes a master clock and the other one of the at least two metrology devices includes a slave clock, the master clock communicating a time to the slave clock and the slave clock is responsive to the communicated time from the master clock for adjusting a time of the slave clock if necessary to substantially correspond to the time of the master clock, thereby time synchronizing the at least two metrology devices together; andwherein each metrology device measures a parameter and wherein the measurements made by each metrology device occur in a time synchronized manner as a result of the time of the slave clock substantially corresponding to the time of the master clock. 16. The method of claim 15, further comprising connecting the at least two metrology devices in a distributed network. 17. The method of claim 15, wherein the wired communications occur over an Ethernet local area network. 18. The method of claim 15, wherein the wireless communications occur over a Wi-Fi network. 19. The method of claim 15, wherein each metrology device comprises a device from the group that includes an articulated arm coordinate measuring machine (AACMM), an AACMM having a scanner attached thereto, a laser tracker, and a laser scanner. 20. The method of claim 15, wherein each metrology device comprises a device from the group that includes an articulated arm coordinate measuring machine (AACMM) having a scanner attached thereto and a laser tracker, further comprising each of the AACMM and the laser tracker tracking the position of the scanner attached to the AACMM. 21. The method of claim 20, further comprising each of the AACMM and the laser tracker tracking the position of the scanner attached to the AACMM during one of an AACMM relocation procedure or an AACMM calibration procedure. 22. The method of claim 16, wherein the distributed network comprises one from the group that includes a real time industrial network and an enterprise network. 23. The method of claim 16, wherein the distributed network comprises one from the group that includes an infrastructure network and an ad hoc network. 24. The method of claim 15, further comprising a router that connects in a wired and/or wireless manner with each one of the at least two metrology devices, wherein the router includes an IEEE 1588 precision time protocol interface. 25. The method of claim 15, wherein the wired communications occur over an Ethernet local area network in a Synchronous Ethernet manner. 26. The method of claim 15, wherein the IEEE 1588 precision time protocol interface within each of the two metrology devices implements hardware assisted timestamping. 27. The method of claim 15, wherein the IEEE 1588 precision time protocol interface within each of the two metrology devices further comprises a switch having at a first input thereof a wired connection from the other one of the at least two metrology devices and having at a second input thereof a wireless connection from the other one of the at least two metrology devices, wherein the wireless connection from the other one of the at least two metrology devices includes one or more components that convert the wireless connection to a wired connection that is applied to the second input of the switch. 28. The method of claim 15, wherein the IEEE 1588 precision time protocol interface within each of the two metrology devices implements hardware assisted timestamping such that when the master clock communicates a time to the slave clock and the slave clock is responsive to the communicated time from the master clock to adjust a time of the slave clock if necessary to correspond to the time of the master clock with a difference between the time of the master clock and the time of the slave clock being no greater than 500 nanoseconds. 29. A computer program product for implementing communications between at least two metrology devices in a bidirectional manner, the computer program product comprising a non-transitory storage medium having computer readable program code embodied thereon, which when executed by a computer causes the computer to implement a method, the method including the steps of: providing a first one of the at least two metrology devices with an IEEE 1588 precision time protocol interface configured for bidirectional communications in both a wired manner and a wireless manner with a second one of the at least two metrology devices;providing the second one of the at least two metrology devices with an IEEE 1588 precision time protocol interface configured for bidirectional communications in both a wired manner and a wireless manner with the first one of the at least two metrology devices;wherein one of the at least two metrology devices includes a master clock and the other one of the at least two metrology devices includes a slave clock, the master clock communicating a time to the slave clock and the slave clock is responsive to the communicated time from the master clock for adjusting a time of the slave clock if necessary to substantially correspond to the time of the master clock, thereby time synchronizing the at least two metrology devices together; and wherein each metrology device measures a parameter and wherein the measurements made by each metrology device occur in a time synchronized manner as a result of the time of the slave clock substantially corresponding to the time of the master clock. 30. The computer program product of claim 29, in which the method further comprises connecting the at least two metrology devices in a distributed network. 31. The computer program product of claim 29, wherein the wired communications occur over an Ethernet local area network. 32. The computer program product of claim 29, wherein the wireless communications occur over a Wi-Fi network. 33. The computer program product of claim 29, wherein each metrology device comprises a device from the group that includes an articulated arm coordinate measuring machine (AACMM), an AACMM having a scanner attached thereto, a laser tracker, and a laser scanner. 34. The computer program product of claim 29, wherein each metrology device comprises a device from the group that includes an articulated arm coordinate measuring machine (AACMM) having a scanner attached thereto and a laser tracker, further comprising each of the AACMM and the laser tracker tracking the position of the scanner attached to the AACMM. 35. The computer program product of claim 34, in which the method further comprises each of the AACMM and the laser tracker tracking the position of the scanner attached to the AACMM during one of an AACMM relocation procedure or an AACMM calibration procedure. 36. The computer program product of claim 30, wherein the distributed network comprises one from the group that includes a real time industrial network and an enterprise network. 37. The computer program product of claim 30, wherein the distributed network comprises one from the group that includes an infrastructure network and an ad hoc network. 38. The computer program product of claim 29, further comprising a router that connects in a wired and/or wireless manner with each one of the at least two metrology devices, wherein the router includes an IEEE 1588 precision time protocol interface. 39. The computer program product of claim 29, wherein the wired communications occur over an Ethernet local area network in a Synchronous Ethernet manner. 40. The computer program product of claim 29, wherein the IEEE 1588 precision time protocol interface within each of the two metrology devices implements hardware assisted timestamping. 41. The computer program product of claim 29, wherein the IEEE 1588 precision time protocol interface within each of the two metrology devices further comprises a switch having at a first input thereof a wired connection from the other one of the at least two metrology devices and having at a second input thereof a wireless connection from the other one of the at least two metrology devices, wherein the wireless connection from the other one of the at least two metrology devices includes one or more components that convert the wireless connection to a wired connection that is applied to the second input of the switch. 42. The computer program product of claim 29, wherein the IEEE 1588 precision time protocol interface within each of the two metrology devices implements hardware assisted timestamping such that when the master clock communicates a time to the slave clock and the slave clock is responsive to the communicated time from the master clock to adjust a time of the slave clock if necessary to correspond to the time of the master clock with a difference between the time of the master clock and the time of the slave clock being no greater than 500 nanoseconds.
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