Method for synchronizing a plurality of roller shades using variable linear velocities
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H02P-003/00
H02P-007/29
출원번호
US-0912308
(2010-10-26)
등록번호
US-8339085
(2012-12-25)
발명자
/ 주소
Feldstein, George
LaBosco, Mark
출원인 / 주소
Crestron Electronics Inc.
대리인 / 주소
Crestron Electronics Inc.
인용정보
피인용 횟수 :
2인용 특허 :
23
초록▼
Presented is a method for synchronizing movement of a plurality of roller shades each disposed at a first position to a common second position. The method includes obtaining information related to the position of each of the plurality of roller shades with a respective one of a plurality of optical
Presented is a method for synchronizing movement of a plurality of roller shades each disposed at a first position to a common second position. The method includes obtaining information related to the position of each of the plurality of roller shades with a respective one of a plurality of optical assemblies, and moving each of the plurality of roller shades from the first position to the common second position in response to the respective obtained position information so that each of the plurality of roller shades arrives at the common second position at the same time.
대표청구항▼
1. A method for synchronizing movement of a plurality of roller shades each disposed at a first position to a common second position, each of the plurality of roller shades including a flexible shade material having a lower end and a rotatably supported roller tube windingly receiving the flexible s
1. A method for synchronizing movement of a plurality of roller shades each disposed at a first position to a common second position, each of the plurality of roller shades including a flexible shade material having a lower end and a rotatably supported roller tube windingly receiving the flexible shade material, the method comprising: obtaining information related to the position of each of the plurality of roller shades with a respective one of a plurality of optical assemblies by capturing an image frame of each of the plurality of roller shades at a plurality of linear positions along the flexible shade material of each of the plurality of roller shades with a respective one of a plurality of optical sensors; andmoving each of the plurality of roller shades from the first position to the common second position in response to the respective obtained position information so that each of the plurality of roller shades arrives at the common second position at the same time. 2. The method of claim 1, wherein moving each of the plurality of roller shades comprises moving each of the plurality of roller shades using a respective one of a plurality of motor assemblies. 3. The method of claim 2, further comprising controlling the plurality of motor assemblies with a master controller. 4. The method of claim 3, further comprising transmitting the respective position information from each of the plurality of motor assemblies to the master controller. 5. The method of claim 2, further comprising retrieving a shade movement time from each of the plurality of motor assemblies and selecting the longest shade movement time as a master shade movement time. 6. The method of claim 5, further comprising moving each of the plurality of roller shades from the first position to the common second position in a time equal to the master shade movement time. 7. The method of claim 5, further comprising storing the master shade movement time and position information for each of the plurality of roller shades. 8. The method of claim 1, wherein each of the plurality of optical sensors comprises one of a high speed digital camera, a charge coupled device, or a complementary metal oxide semiconductor detector. 9. The method of claim 8, wherein obtaining information related to the position of each of the plurality of roller shades further comprises processing the plurality of captured image frames of the flexible shade material of each of the plurality of roller shades to determine changes in position of the flexible shade material of each of the plurality of roller shades. 10. The method of claim 9, further comprising illuminating the flexible shade material of each of the plurality of roller shades with one of an incandescent light, a light emitting diode, or a vertical cavity surface emitting laser. 11. The method of claim 1, further comprising moving each of the plurality of roller shades from the first position to the common second position using a proportional integral derivative (PID) loop so that each of the plurality of roller shades arrives at the common second position at the same time. 12. The method of claim 1, further comprising moving each of the plurality of roller shades from the first position to the common second position at a variable linear velocity so that each of the plurality of roller shades arrives at the common second position at the same time. 13. The method of claim 12, wherein the variable linear velocity varies according to one of an exponential function, a ramp function, or a Gaussian function. 14. A method for synchronizing movement of a plurality of roller shades each disposed at a first position to a common second position, each of the plurality of roller shades including a flexible shade material having a lower end and a rotatably supported roller tube windingly receiving the flexible shade material, the method comprising: obtaining information related to the position of each of the plurality of roller shades with a respective one of a plurality of optical assemblies by capturing an image frame of each of the plurality of roller shades at a plurality of linear positions along the flexible shade material of each of the plurality of roller shades with a respective one of a plurality of optical sensors;receiving a master shade movement time; andmoving each of the plurality of roller shades from the first position to the common second position at a variable linear velocity in response to the respective obtained position information so that each of the plurality of roller shades moves from the first position to the common second position and arrives at the common second position in a time equal to the master shade movement time. 15. The method of claim 14, wherein moving each of the plurality of roller shades comprises moving each of the plurality of roller shades using a respective one of a plurality of motor assemblies. 16. The method of claim 15, further comprising controlling the plurality of motor assemblies with a master controller. 17. The method of claim 15, further comprising retrieving a shade movement time from each of the plurality of motor assemblies and selecting the longest shade movement time as the master shade movement time. 18. The method of claim 17, further comprising transmitting the respective position information from each of the plurality of motor assemblies to the master controller. 19. The method of claim 14, wherein each of the plurality of optical sensors comprises one of a high speed digital camera, a charge coupled device, or a complementary metal oxide semiconductor detector. 20. The method of claim 19, wherein obtaining information related to the position of each of the plurality of roller shades further comprises processing the plurality of captured image frames of the flexible shade material of each of the plurality of roller shades to determine changes in position of the flexible shade material of each of the plurality of roller shades. 21. The method of claim 20, further comprising illuminating the flexible shade material of each of the plurality of roller shades with one of an incandescent light, a light emitting diode, or a vertical cavity surface emitting laser. 22. The method of claim 14, further comprising moving each of the plurality of roller shades from the first position to the common second position using a proportional integral derivative (PID) loop so that each of the plurality of roller shades arrives at the common second position in a time equal to the master shade movement time. 23. The method of claim 14, wherein the variable linear velocity varies according to one of an exponential function, a ramp function, or a Gaussian function. 24. The method of claim 14, further comprising storing the master shade movement time and position information for each of the plurality of roller shades.
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