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Class Information
Number: 382/121
Name: Image analysis > Applications > Personnel identification (e.g., biometrics) > Using a signature > Sensing pressure only
Description: Subject matter wherein the characteristic of the writing sample used is only pressure or force exerted by the writer with a writing instrument during the writing of the sample.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7406599 |
Indicating status for digital signatures |
Jul. 29, 2008 |
| 7295339 |
Image forming apparatus |
Nov. 13, 2007 |
| 6922779 |
Method and system for sensing device registration |
Jul. 26, 2005 |
| 6817130 |
Sensor array for unauthorized user prevention device |
Nov. 16, 2004 |
| 6633282 |
Ballpoint pen type input device for computer |
Oct. 14, 2003 |
| 6625314 |
Electronic pen device and character recognition method employing the same |
Sep. 23, 2003 |
| 6606399 |
PTF touch-enabled image generator |
Aug. 12, 2003 |
| 6334003 |
Data input system for enabling data input by writing without using tablet or the like |
Dec. 25, 2001 |
| 6307955 |
Electronic signature management system |
Oct. 23, 2001 |
| 6091838 |
Irradiated images described by electrical contact |
Jul. 18, 2000 |
| 5589636 |
Method of and apparatus for the detection of an ultrasonic field |
Dec. 31, 1996 |
| 5528699 |
Information medium recognition device |
Jun. 18, 1996 |
| 5294792 |
Writing tip position sensing and processing apparatus |
Mar. 15, 1994 |
| 5120906 |
Handwriting capture device |
Jun. 9, 1992 |
| 5111004 |
Stylus for handwriting identification |
May. 5, 1992 |
| 5095510 |
Device and method for verifying personal handwriting |
Mar. 10, 1992 |
| 5081686 |
Personal handwriting verification |
Jan. 14, 1992 |
| 5029219 |
Personal handwriting verification |
Jul. 2, 1991 |
| 5022086 |
Handwriting apparatus for information collection based on force and position |
Jun. 4, 1991 |
| 5018208 |
Input device for dynamic signature verification systems |
May. 21, 1991 |
| 4707573 |
Electrical conductor array |
Nov. 17, 1987 |
| 4646351 |
Method and apparatus for dynamic signature verification |
Feb. 24, 1987 |
| 4475235 |
Signature verification sensor |
Oct. 2, 1984 |
| 4344135 |
Dynamic creation of signatures |
Aug. 10, 1982 |
| 4156911 |
Dynamic re-creation of signatures |
May. 29, 1979 |
| 4143357 |
Transducing device for signature verification system |
Mar. 6, 1979 |
| 4040010 |
Identification by handwriting verification |
Aug. 2, 1977 |
| 4040011 |
Identification based on handwriting samples |
Aug. 2, 1977 |
| 4040012 |
Handwriting verification system |
Aug. 2, 1977 |
| 4035769 |
Method and apparatus for recording a signature |
Jul. 12, 1977 |
| 4035768 |
Personal identification apparatus |
Jul. 12, 1977 |
| 4008457 |
Pressure transducing apparatus for use in a signature identification system |
Feb. 15, 1977 |
| 3991402 |
Pressure transducing platen for use in a signature identification or verification system |
Nov. 9, 1976 |
| 3959769 |
Method and apparatus for recording a signature |
May. 25, 1976 |
| 3956734 |
Platen having a pressure-responsive transducing means for use in a signature-identifying system |
May. 11, 1976 |
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