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Class Information
Number: 250/227.13
Name: Radiant energy > Photocells; circuits and apparatus > Optical or pre-photocell system > Light conductor > Light pen
Description: Subject matter wherein a photocell and light conductor are combined in a single instrument configured to be hand held.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7526147 |
Sensor array for perimeter defense |
Apr. 28, 2009 |
| 7485842 |
Optical proximity sensor for a liquid-jet instrument, and a liquid-jet instrument equipped with such a sensor |
Feb. 3, 2009 |
| 7352506 |
Method and system for sensing environmental characteristics |
Apr. 1, 2008 |
| 7084389 |
Hand held led device |
Aug. 1, 2006 |
| 7022973 |
Advertising light emitting pen having a movable light emitting device |
Apr. 4, 2006 |
| 6944360 |
Remote temperature/strain fiber optic sensing system with embedded sensor |
Sep. 13, 2005 |
| 6637663 |
Scanning apparatus with the appearance of pen |
Oct. 28, 2003 |
| 6633051 |
Surface sensing device with optical sensor |
Oct. 14, 2003 |
| 6204920 |
Optical fiber sensor system |
Mar. 20, 2001 |
| 5898427 |
Pen, used for input to electronic apparatus, including a weighted member disposed in the pen to create a radially eccentric center of gravity within the pen |
Apr. 27, 1999 |
| 5508504 |
Wand type optical reader |
Apr. 16, 1996 |
| 5323000 |
Optical read head having optical fibers inclined towards optical axis and protruding past imaging optics |
Jun. 21, 1994 |
| 5319184 |
Tip assembly for a bar code scanner |
Jun. 7, 1994 |
| 5247170 |
Information scanner providing two separate digital images of a written text |
Sep. 21, 1993 |
| 5192862 |
Polarizerless magneto-optic speed and torque sensor |
Mar. 9, 1993 |
| 5142161 |
Hand-held optical scanner and highlighter |
Aug. 25, 1992 |
| 5027115 |
Pen-type computer input device |
Jun. 25, 1991 |
| 4847490 |
Optical code reading device whose laser reading light is transmitted by only one single mode optical fiber |
Jul. 11, 1989 |
| 4806707 |
3-Dimensional digitizer pen |
Feb. 21, 1989 |
| 4800257 |
Optoelectronic reading pen |
Jan. 24, 1989 |
| 4799055 |
Optical Mouse |
Jan. 17, 1989 |
| 4716287 |
Light pipe for an optical mouse |
Dec. 29, 1987 |
| 4705942 |
Pressure-sensitive light pen |
Nov. 10, 1987 |
| 4677428 |
Cordless light pen |
Jun. 30, 1987 |
| 4642459 |
Light pen input system having two-threshold light sensing |
Feb. 10, 1987 |
| 4575627 |
Molded light pen with lens with water impervious housing |
Mar. 11, 1986 |
| 4490607 |
Pinhole objective fibre optic light pen |
Dec. 25, 1984 |
| 4467196 |
Single fiber optic wand system |
Aug. 21, 1984 |
| 4182956 |
Optical light pen |
Jan. 8, 1980 |
| 4128298 |
Wand nose with integral light pipe for wand power turn-on |
Dec. 5, 1978 |
| 4109146 |
Pressure actuated light pen |
Aug. 22, 1978 |
| 4053765 |
Parallax free light pen |
Oct. 11, 1977 |
| 3983389 |
Wand for reading optically encoded graphic symbols |
Sep. 28, 1976 |
| 3937558 |
Optical fiber light pen |
Feb. 10, 1976 |
| 3932022 |
Light guide arrangement with scanning tip to resist uneven wear |
Jan. 13, 1976 |
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