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Class Information
Number: 434/356
Name: Education and demonstration > Question or problem eliciting response > Grading of response form > Comparison of response form with standard answer form > Electrical means sensing conductive mark representing response
Description: Subject matter wherein the examinee"s response is in the form of a mark (e.g., a pencil mark, etc.) which is conductive and which completes an electrical circuit by bridging electrical means.

Patents under this class:

Patent Number Title Of Patent Date Issued
8379195 Visualization of the ultraviolet radiation reflecting power of a spectacle lens Feb. 19, 2013
7941090 Interactive book reading system using RF scanning circuit May. 10, 2011
7864986 Optical mark reading that uses a disregard state as part of an unambiguous symbology of marks to fill into response bubbles Jan. 4, 2011
7555145 Multi-level optical mark reading that uses an unambiguous symbology of marks to fill into response bubbles Jun. 30, 2009
6879805 Test form having a removable opaque layer, and method and apparatus for printing on the form Apr. 12, 2005
6666687 Method for instructing a student using an automatically generated student profile Dec. 23, 2003
6146148 Automated testing and electronic instructional delivery and student management system Nov. 14, 2000
5330358 Computerized educational and entertainment device Jul. 19, 1994
5102341 Test answer and score sheet device Apr. 7, 1992
5011413 Machine-interpretable figural response testing Apr. 30, 1991

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