US 7,546,694 B1
Combination drawing/measuring pen
Il Poom Jeong, 151 E. Pallisades Ave., #E9, Englewood, N.J. 07631 (US)
Filed on Apr. 03, 2008, as Appl. No. 12/61,903.
Int. Cl. G01B 3/12 (2006.01)
U.S. Cl. 33—775  [401/194] 7 Claims
OG exemplary drawing
 
1. A combination drawing/measuring pen comprising:
an elongated, hollow body portion having a cavity therein, an aperture at a front end and an on/off switch at a rear end;
a pen having a roller ball tip in said cavity operatively moving up and down by a first button protruding outside said cavity such that said roller ball tip may extend through said aperture for drawing;
a sensor probe in said cavity operatively moving up and down by a second button outside said cavity such that said sensor probe may extend through said aperture for measuring;
a central processing unit (CPU) for calculating an output from said sensor probe;
a LCD panel on said body portion for displaying a measurement from said sensor probe; and
at least one battery in said cavity for powering said CPU and said LCD panel.