[특허]Ultrasonic sensor system for web-guiding apparatus

Fife Corporation

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특허 상세정보

MyON담기

내보내기 페이스북 공유 트위터 공유 카카오톡 공유

Ultrasonic sensor system for web-guiding apparatus

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G01N-029/24
미국특허분류(USC)	073/597; 073/599; 073/159; 073/628
출원번호	US-0483203 (2006-07-07)
등록번호	US-7357027 (2008-04-15)
발명자 / 주소	Haque,Md M. Yates,Jim Ploetz,Wolfram Winter,Darcy J. Hueppelsheuser,Dale
출원인 / 주소	Fife Corporation
대리인 / 주소	Dunlap Codding & Rogers, P.C.
인용정보	피인용 횟수 : 3 인용 특허 : 38

초록
▼

A sensor system for determining the position of at least one edge of at least one web material traveling along a predetermined path. In one embodiment, the sensor system has at least one transmitter block having a plurality of transmitters capable of selectively transmitting ultrasonic signals and at least one receiver block having a plurality of receivers capable of generating receiver output signals in response to the receivers receiving at least a portion of the ultrasonic signals transmitted by the at least one transmitter block. The receiver block is spaced a distance from the transmitter block so as to define a sensor field of view therebetween whereby at least a portion of the at least one web material traveling along a predetermined travel path interferes with at least a portion of the ultrasonic signals transmitted by the at least one transmitter block. The receiver output signals generated by the at least one receiver block is indicative of the position of the web of material as the same is moved along the travel path between the transmitter block and the receiver block. In an alternative embodiment, the functions of the at least one transmitter block and the at least one receiver block are performed essentially equivalently by at least one transceiver block and at least one reflector.

대표
청구항
▼

What is claimed is: 1. A sensor system for determining the position of at least one edge of at least one web material traveling along a predetermined travel path, the sensor system comprising: at least one transceiver block disposed substantially adjacent the travel path, the at least one transceiver block having a plurality of transceivers, each transceiver being capable of selectively transmitting ultrasonic signals upon receipt of a transmitter drive signal so as to transmit ultrasonic signals across at least a portion of the travel path; at least one reflector spaced a distance from the at least one transceiver block whereby the travel path passes in between the at least one transceiver block and the at least one reflector, the at least one reflector having a reflective material positioned so as to reflect at least a portion of the ultrasonic signals transmitted by the at least one transceiver block back to the transceiver block; a master unit selectively toggling at least one of the transceivers between a first mode for generating an ultrasonic signal, a second mode for forming a receiver output signal upon receipt of an ultrasonic signal, and a third mode for electronically dampening and thereby disabling the at least one of the transceivers, and means for generating at least one sensor output signal based on the receiver output signal, wherein the sensor output signal is indicative of the position of the least one edge of the at least one web material. 2. The sensor system of claim 1, further comprising a means for selectively actuating the transceivers within a predetermined range of the at least one edge of the at least one web material. 3. The sensor system of claim 1, further comprising means for determining a transition between two or more web materials. 4. The sensor system of claim 1, wherein each transceiver of the at least one transceiver block is positioned in a staggered formation to prevent formation of gaps in the ultrasonic signals transmitted between the reflector and the transceiver block. 5. The sensor system of claim 1, wherein the master unit controls a reception sequence of the transceivers so that each transceiver or group of transceivers receives ultrasonic signals at a different time than adjacently disposed transceivers or groups of transceivers. 6. The sensor system of claim 1, wherein the at least one of the transceivers is selectively toggled from the third mode to the first mode in synchronization with the transmission of the transmitter drive signal to the at least one of the transceivers. 7. The sensor system of claim 1, wherein each transceiver of the at least one transceiver block transmits ultrasonic signals at a different time than an adjacently disposed transceiver. 8. The sensor system of claim 1, wherein a predetermined group of transceivers of the at least one transceiver block transmits ultrasonic signals at a different time than an adjacently disposed predetermined group of transceivers. 9. The sensor system of claim 1, wherein each transceiver of the at least one transceiver block transmits ultrasonic signals at a different frequency than an adjacently disposed transceiver. 10. The sensor system of claim 1, wherein a predetermined group of transceivers of the at least one transmitter block transmits ultrasonic signals at a different frequency than an adjacently disposed predetermined group of transceivers. 11. The sensor system of claim 1, further comprising a means for sensing an environmental temperature surrounding at least a portion of the sensor system, and for enhancing the receiver output signals with at least one stored temperature compensation value so as to generate a sensor output signal in which changes in the environmental temperature no longer have a substantial effect on the nature of the sensor output signal. 12. A sensor system for determining the position of at least one edge of at least one web material traveling along a predetermined travel path, the sensor system comprising: at least one transceiver block disposed substantially adjacent the travel path, the at least one transceiver block having a plurality of transceivers, each transceiver being capable of selectively transmitting ultrasonic signals upon receipt of a transmitter drive signal so as to transmit ultrasonic signals across at least a portion of the travel path; at least one reflector spaced a distance from the at least one transceiver block whereby the travel path passes in between the at least one transceiver block and the at least one reflector, the at least one reflector having a reflective material positioned so as to reflect at least a portion of the ultrasonic signals transmitted by the transceivers of the at least one transceiver block substantially back to the transceivers; wherein the transceivers of the at least one transceiver block are further capable of receiving ultrasonic signals and generating receiver output signals responsive to the transceivers sensing ultrasonic signals; means for periodically transmitting to each transceiver of the at least one transceiver block a transmitter drive signal to cause said each transceiver to transmit ultrasonic signals at a different time than an adjacently disposed transceiver; means for selectively toggling said each transceiver of the at least one transceiver block when said each transceiver is not transmitting ultrasonic signals, wherein said each transceiver is toggled in between a first mode wherein said each transceiver is permitted to form the receiver output signals responsive to said each transceiver sensing ultrasonic signals, and a second mode wherein said each transceiver is restricted from providing the receiver output signals, wherein said each transceiver is toggled from the second mode to the first mode to permit said each transceiver to receive the ultrasonic signals generated by said each transceiver in synchronization with the transmission of the transmitter drive signal to said each transceiver, and then said each transceiver is automatically toggled back to the first mode after a predetermined time so as to eliminate any noise in the receiver output signals; and means for receiving receiver output signals from the plurality of transceivers of the at least one transceiver block and utilizing the receiver output signals to determine the position of at least one edge of the at least one web material as the at least one web material travels along the travel path.

이 특허에 인용된 특허 (38)

이 특허를 인용한 특허 피인용횟수: 3

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특허 상세정보

Ultrasonic sensor system for web-guiding apparatus

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이 특허에 인용된 특허 (38)

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Ultrasonic sensor system for web-guiding apparatus

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대표청구항 ▼

이 특허에 인용된 특허 (38)

이 특허를 인용한 특허 피인용횟수: 3

IPC 상위 출원인

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IPC 상세정보(version : 201201)

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