U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Bizarre Patents

Patent No. 5983411

Toilet Tank Aquarium

A new toilet tank assembly aquarium for housing aquatic creatures.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 250/227.13 - Light pen


Subclass of Class 250 - Radiant energy
Definition: Subject matter wherein a photocell and light conductor are
No. of patents: 38
Last issue date: 09/28/2010


NumberTitleIssue Date
7804054Wireless system and method for displaying the path traveled by a marker
A low maintenance path tracing apparatus comprising at least one marker including an emitter of a tracer signal and a receiving medium for recording the path of the tracer signal. The apparatus further includes a power providing arrangement comprising a base unit wh...
09/28/2010
7755026Generating signals representative of sensed light that is associated with writing being done by a user
An array of sensitive pixel elements is configured to generate signals representative of sensed light that is associated with writing being done by a user, and an optical system concentrates light from a light source across a section of the array of sensitive pixel ...
07/13/2010
7485842Optical proximity sensor for a liquid-jet instrument, and a liquid-jet instrument equipped with such a sensor
An optical proximity sensor adapted to be mounted in a liquid-jet instrument having a spray head for spraying a jet of liquid. The optical sensor evaluates a distance between the sensor and a surface onto which the liquid is to be sprayed. ...
02/03/2009
7352506Method and system for sensing environmental characteristics
A system for sensing characteristics of the environment is disclosed. Sensors utilize exponential growth of a signal initiated by interaction of a sensor element with characteristics of the environment. Specific substances in the environment can be detected. The sen...
04/01/2008
7348969Passive light stylus and user input device using same
The present disclosure provides a passive light stylus that produces a defined intensity profile detectable by a user input device when at least a portion of a tip of the stylus is proximate an input surface of the user input device. In some embodiments, the stylus ...
03/25/2008
7084389Hand held led device
A hand held device is provided which contains at least one light emitting diode (LED) and is useful for the elimination of microorganisms as well as therapeutic treatment by light. A method of treatment and a kit are also disclosed. ...
08/01/2006
7022973Advertising light emitting pen having a movable light emitting device
An advertising light emitting pen comprises an upper pen tube and a lower pen tube. The feature of the advertising light emitting pen is that a top of the light guide tube resists against a lower end of the light emitting device. A surface of the inner tube is coate...
04/04/2006
6944360Remote temperature/strain fiber optic sensing system with embedded sensor
A sensor embedded in a high temperature metal is incorporated into a sensing system for measuring temperature, strain, or other properties of a metal structure. An optical system transmits light to and receives output signals from the sensor for analysis. With rotat...
09/13/2005
6905071Automatically-activated hand-supportable multi-mode laser scanning bar code symbol reading system
A multi-mode laser-based bar code symbol reading device having a hand-supportable housing with a light transmission aperture, wherethrough visible light can exit and enter the hand-supportable housing. A laser scanning engine, disposed within the hand-supportable ho...
06/14/2005
6637663Scanning apparatus with the appearance of pen
A scanning apparatus with the appearance of a pen for scanning a small-sized document has the casing, the cap, the input slot and the output slot for inputting and outputting the small-sized document on the casing, respectively, the transmission apparatus...
10/28/2003
6633051Surface sensing device with optical sensor
A surface sensing device includes an articulating head adapted for attachment to the spindle of a measuring machine and having two relatively rotatable parts capable of rotation about two mutually perpendicular axes. The device additionally includes a sty...
10/14/2003
6204920Optical fiber sensor system
A system such as for sensing strain or temperature of an aircraft and for transmitting information in communication systems. A sensor array includes a first light responsive Bragg grating sensor having a first operating bandwidth and a second light respon...
03/20/2001
5898427Pen, 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
A pen for providing input to an electronic apparatus includes a cylindrical pen body made of a resin, a pen tip attached to one end of the pen body, and a weight member disposed within the pen body and offset from the axis of the pen body. The weight memb...
04/27/1999
5508504Wand type optical reader
A laser wand for reading optically encoded indicia has a wand shaped housing for housing a light emitter which for emits a focussed laser light beam having a fixed focal point beyond which said light beam diverges. The light beam is directed towards a sur...
04/16/1996
5323000Optical read head having optical fibers inclined towards optical axis and protruding past imaging optics
An optical read head contains imaging optics for focusing incident light and light receiving optics arranged concentrically with respect to the imaging optics for receiving the light focused by the imaging optics and reflected from an object. The imaging ...
06/21/1994
5319184Tip assembly for a bar code scanner
A tip assembly for a bar code scanner having a concentric design which prevents rotational, axial and tilting movement among the components of the tip assembly. A tip housing with an internal detent is snap fitted over a scanner housing having multiple ca...
06/07/1994
5247170Information scanner providing two separate digital images of a written text
An information scanning apparatus for scanning and marking parts of a written text comprises two viewing elements (14,16) for forwarding information concerning scanned text to a linescan camera (42) so as to provide two physically displaced digital images...
09/21/1993
5192862Polarizerless magneto-optic speed and torque sensor
A polarizerless optic sensor is provided that uses a random domain magneto-optic film and a modulated normal magnetic field to vary or modulate the energy distribution in a diffraction pattern. Light is transmitted through the film and is diffracted accor...
03/09/1993
5142161Hand-held optical scanner and highlighter
Special holder for combination of an umbilical type scanner with an inking highlighter in an integral or piggy back unit, which upon use provides a visual record of what has been scanned as well as "scan field verification" which obviates the need to cont...
08/25/1992
5027115Pen-type computer input device
A pen-type computer input device is used to move a cursor on the display of a computer system or enter data such as of figures, letters, numerals, or the like into a computer system. The pen-type computer input device includes a shank, a ball rotatably su...
06/25/1991
4847490Optical code reading device whose laser reading light is transmitted by only one single mode optical fiber
An optical code reading device comprises a light source and scanning head for projecting light for illuminating a code to be read, only one single mode optical fiber for transferring the light from the light source so that the spot size can be made as sma...
07/11/1989
48067073-Dimensional digitizer pen
An electronic pen for a digitizer capable of providing signals to a computer for pen movement in three dimensions relative to a planar tablet. There is a hollow, pen-shaped body member having a writing tip end. A sensing coil is disposed in the body membe...
02/21/1989
4800257Optoelectronic reading pen
An optoelectronic reading pen for scanning optically encoded information, applied to an information carrier, particularly in the form of a bar or line code, including means for illuminating the information carrier and an optoelectronic sensor which receiv...
01/24/1989
4799055Optical Mouse
A method and device for converting movement of an optical mouse on a surface having any random surface pattern of relatively light and dark areas separated by edges to electrical signals representing a direction of motion relative to two non-parallel axes...
01/17/1989
4716287Light pipe for an optical mouse
A light pipe for use in an optical mouse comprises a block of light transmitting fibers comprising a plurality of parallel light transmissive regular polygonal fiber cores each surrounded by light transmissive cladding having a lower index of refraction t...
12/29/1987
4705942Pressure-sensitive light pen
A light pen which includes a transparent rod at its pointing end through which light is directed to a photodetector that is fixedly positioned within the light pen. The rod is spring loaded and axially slidable in response to applied pressure, resulting i...
11/10/1987
4677428Cordless light pen
A cordless light pen for use with a cathode ray tube display screen as a data input for a digital computer. Contained within the exterior barrel of the pen is a depressible tip having a core made from a plastic which has been treated and whose index of re...
06/30/1987
4642459Light pen input system having two-threshold light sensing
A fiber optic light pen has been adapted for high resolution use with an interactive display of a computer system. The body of the light pen, which is adapted to be hand held, includes a slightly movable tip for engaging a display screen. When so engaged,...
02/10/1987
4575627Molded light pen with lens with water impervious housing
A fibre optic light pen including a hollow elongate cylindrical housing having a tip portion and a base portion, and having an elongate cylindrical actuator positioned for axial movement relative to and within said housing tip portion is described. The ac...
03/11/1986
4490607Pinhole objective fibre optic light pen
A light pen is described wherein light information indicative of a selected position on a lighted display is propagated along a light conductive fibre cable to a processing circuit. The light pen includes a retractable sleeve wherein pressing the pen to t...
12/25/1984
4467196Single fiber optic wand system
A fiber optic scanner system for reading coded patterns is provided having a single optical fiber extending from the reading end of the scanner tip to a remote terminal. The remote terminal includes an optical signal generator for generating and driving l...
08/21/1984
4182956Optical light pen
The pen comprises an elongated housing having a light aperture at one end. A plurality of light-emitting diodes is mounted in the housing, and means are provided for focusing the light from such diodes at the light aperture. In use, the pen is held agains...
01/08/1980
4128298Wand nose with integral light pipe for wand power turn-on
Described is a light pipe for transmitting light signals to and from a transmitter/receiving sensor. The light pipe is a homogeneous body made by injection molding an arcylic plastic material....
12/05/1978
4109146Pressure actuated light pen
A pressure actuated light pen attached to the end of an optical fibre bundle has a retractable tip in which is formed an aperture. No image is focussed onto the ends of the fibres until the tip, with the aperture, is retracted to a predetermined position....
08/22/1978
4053765Parallax free light pen
A light pen sighting device for aligning the receptor of a light pen with an interactive display includes a support member in the form of a transparent plastic body having opposed parallel surfaces with a reticle in the form of points formed in the respec...
10/11/1977
3983389Wand for reading optically encoded graphic symbols
A wand suitable for scanning the universal product code (UPC) symbol uses a light emitting diode for illuminating the symbol and a silicon photodetector for receiving the reflected energy. A single optical fiber is coupled to the diode and to a portion of...
09/28/1976
3937558Optical fiber light pen
This invention relates to a light pen, and more particularly to a construction of such light pen in which a small portion having a scanning face and including a combined end of a photonconductive optical fiber bundle is housed within a cartridge body, and...
02/10/1976
3932022Light guide arrangement with scanning tip to resist uneven wear
A light guide arrangement in which at least two light guides are coupled at one end to an optical integration Chamber for achieving a common field of view from the remote ends of both or all of the light guides even when the end of the optical integration...
01/13/1976
 
Sign InRegister
Username  
Password   
forgot password?