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The Design and Implementation of a Semi-Passive Optical Identification Tag

Rupert, Andrew M.

Abstract Details

2008, MS, University of Cincinnati, Engineering : Electrical Engineering.

As companies migrate away from using paper mediums for object identification, the use of digital alternatives must be investigated. Current solutions using barcodes and radio frequency identification (RFID) are wide spread, but both of these methods exhibit shortcomings under various conditions, such as short read range or interference.

This work covers the design and implementation of a semi-passive optical identification tag for use as a line of sight alternative to RFID and barcode technologies. The tag utilizes a liquid crystal shutter placed in front of a microcube retroreflector in order to transmit the data signal to the tag interrogator. A solar panel is used to power the tag from the ambient environment and to charge a secondary battery located on the device. When the battery reaches its discharged state, the tag's components are disabled to prevent further drain of the battery until it is charged.

Dr. Fred R. Beyette, Jr. PhD (Advisor)
Dr. Jason C. Heikenfeld, PhD (Committee Member)
Dr. Philip A. Wilsey, PhD (Committee Member)
93 p.

Recommended Citations

Citations

  • Rupert, A. M. (2008). The Design and Implementation of a Semi-Passive Optical Identification Tag [Master's thesis, University of Cincinnati]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1226618727

    APA Style (7th edition)

  • Rupert, Andrew. The Design and Implementation of a Semi-Passive Optical Identification Tag. 2008. University of Cincinnati, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=ucin1226618727.

    MLA Style (8th edition)

  • Rupert, Andrew. "The Design and Implementation of a Semi-Passive Optical Identification Tag." Master's thesis, University of Cincinnati, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1226618727

    Chicago Manual of Style (17th edition)