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Class Information
Number: 434/359
Name: Education and demonstration > Question or problem eliciting response > Grading of response 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 electric circuit by bridging electrical means.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7574047 |
Method and system for performing image mark recognition |
Aug. 11, 2009 |
| 7298902 |
Method and system for performing image mark recognition |
Nov. 20, 2007 |
| 6879805 |
Test form having a removable opaque layer, and method and apparatus for printing on the form |
Apr. 12, 2005 |
| 6684052 |
Scanning system for imaging and storing the images of test answer sheets having open-ended questions |
Jan. 27, 2004 |
| 6666687 |
Method for instructing a student using an automatically generated student profile |
Dec. 23, 2003 |
| 6366760 |
Method for imaging test answer sheets having open-ended questions |
Apr. 2, 2002 |
| 6173154 |
System and method for imaging test answer sheets having open-ended questions |
Jan. 9, 2001 |
| 6146148 |
Automated testing and electronic instructional delivery and student management system |
Nov. 14, 2000 |
| 5330358 |
Computerized educational and entertainment device |
Jul. 19, 1994 |
| 5226822 |
Interactive electronic game book |
Jul. 13, 1993 |
| 4044229 |
Device for electroconductive connection and reading |
Aug. 23, 1977 |
| 3935650 |
Scholastic test and grading apparatus |
Feb. 3, 1976 |
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