Writing tablet information recording device
First Claim
Patent Images
1. A system, comprising:
- a drawing tablet device; and
an external processing device configured to receive image data from the drawing tablet device,the drawing tablet device comprising;
a bistable cholesteric liquid crystal display configured to display an image drawn upon the bistable cholesteric liquid crystal display by application of pressure on the bistable cholesteric liquid crystal display, and to continue displaying the image without the bistable cholesteric liquid crystal display consuming electrical energy to display the image;
an erase switch for selecting an erase function provided by the drawing tablet device to erase the image from the bistable cholesteric liquid crystal display;
an electronic data capture device including a data capture layer configured to electronically capture movements of a stylus upon the bistable cholesteric liquid crystal display as electronic information representing the movements of the stylus; and
an interface configured to connect to the external processing device, wherein the drawing tablet device is configured to transmit the image data to the external processing device, based on the electronic information representing the movements of the stylus, and wherein the image data comprises at least position information concerning positions of the stylus as the image is drawn and information related to pressure applied to the bistable cholesteric liquid crystal display as the image is drawn,the external processing device comprising;
a further interface configured to connect to the drawing tablet device and receive the image data; and
a further display that replicates the image drawn upon the bistable cholesteric liquid crystal display including replicating line widths in the image drawn upon the bistable cholesteric liquid crystal display, based on the information related to pressure applied to the bistable cholesteric liquid crystal display as the image is drawn,wherein the drawing tablet device automatically transmits, to the external processing device upon establishing communications with the external processing device, a plurality of image files stored in a memory on the drawing tablet device and representing a plurality of separate images captured by the electronic data capture device, andwherein the external processing device is configured to automatically forward the plurality of image files to another external processing device.
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Accused Products
Abstract
A drawing tablet device, utilizing a data capture device in connection with a pressure sensitive display, provides electronic information corresponding to images drawn on the pressure sensitive display to an external device. The drawing tablet includes a communication interface to couple the drawing tablet to the external device to transmit electronic information corresponding to images in real-time or as stored files.
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Citations
19 Claims
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1. A system, comprising:
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a drawing tablet device; and an external processing device configured to receive image data from the drawing tablet device, the drawing tablet device comprising; a bistable cholesteric liquid crystal display configured to display an image drawn upon the bistable cholesteric liquid crystal display by application of pressure on the bistable cholesteric liquid crystal display, and to continue displaying the image without the bistable cholesteric liquid crystal display consuming electrical energy to display the image; an erase switch for selecting an erase function provided by the drawing tablet device to erase the image from the bistable cholesteric liquid crystal display; an electronic data capture device including a data capture layer configured to electronically capture movements of a stylus upon the bistable cholesteric liquid crystal display as electronic information representing the movements of the stylus; and an interface configured to connect to the external processing device, wherein the drawing tablet device is configured to transmit the image data to the external processing device, based on the electronic information representing the movements of the stylus, and wherein the image data comprises at least position information concerning positions of the stylus as the image is drawn and information related to pressure applied to the bistable cholesteric liquid crystal display as the image is drawn, the external processing device comprising; a further interface configured to connect to the drawing tablet device and receive the image data; and a further display that replicates the image drawn upon the bistable cholesteric liquid crystal display including replicating line widths in the image drawn upon the bistable cholesteric liquid crystal display, based on the information related to pressure applied to the bistable cholesteric liquid crystal display as the image is drawn, wherein the drawing tablet device automatically transmits, to the external processing device upon establishing communications with the external processing device, a plurality of image files stored in a memory on the drawing tablet device and representing a plurality of separate images captured by the electronic data capture device, and wherein the external processing device is configured to automatically forward the plurality of image files to another external processing device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A system, comprising:
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a drawing tablet device; and an external processing device configured to receive image data from the drawing tablet device, the drawing tablet device comprising; a bistable cholesteric liquid crystal display configured to display an image drawn upon the bistable cholesteric liquid crystal display by application of pressure on the bistable cholesteric liquid crystal display, and to continue displaying the image without the bistable cholesteric liquid crystal display consuming electrical energy to display the image; an erase switch for selecting an erase function provided by the drawing tablet device to erase the image from the bistable cholesteric liquid crystal display; an electronic data capture device including a data capture layer configured to electronically capture movements of a stylus upon the bistable cholesteric liquid crystal display as electronic information representing the movements of the stylus; and an interface configured to connect to the external processing device, wherein the drawing tablet device is configured to transmit the image data to the external processing device, based on the electronic information representing the movements of the stylus, and wherein the image data comprises at least position information concerning positions of the stylus as the image is drawn and information related to pressure applied to the bistable cholesteric liquid crystal display as the image is drawn, the external processing device comprising; a further interface configured to connect to the drawing tablet device and receive the image data; and a further display that replicates the image drawn upon the bistable cholesteric liquid crystal display including replicating line widths in the image drawn upon the bistable cholesteric liquid crystal display, based on the information related to pressure applied to the bistable cholesteric liquid crystal display as the image is drawn, wherein the image data further comprises speed information concerning a drawing speed, and the line widths replicated on the further display are determined and replicated by processing both of the information related to pressure applied to the bistable cholesteric liquid crystal display as the image is drawn and the speed information.
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16. A system, comprising:
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a drawing tablet device; and a capture application configured to execute on an external device having a processor coupled to a non-transitory, computer-readable medium storing the capture application and a display, the capture application is configured to acquire image data from the drawing tablet device, the drawing tablet device, comprising; a bistable cholesteric liquid crystal display having a drawing surface configured to display an image drawn upon the drawing surface by application of pressure on the drawing surface, the bistable cholesteric liquid crystal display maintains display of the image on the drawing surface without consuming electrical energy; a data capture device configured to generate electronic information corresponding to movement of a stylus on the drawing surface, the data capture device operating separately and independently from the bistable cholesteric liquid crystal display; and a communication interface to transmit image data based on the electronic information to the capture application executing on the external device, in real-time or near real-time, upon generation by the data capture device, wherein the capture application is configured to render an image to the display of the external device, the image being a replica of the image displayed on the drawing surface by the bistable cholesteric liquid crystal display and based on the image data received from the drawing tablet device, wherein the image data transmitted by the drawing tablet device comprises a plurality of pairs of position information and magnitude information relating to contacts of the stylus on the drawing surface, and the capture application is further configured to convert the pairs of position information and magnitude information to an image file for storage on the external device, display on the external device, or sharing via the Internet, and wherein the capture application is further configured to analyze the pairs of position information and magnitude information to recognize handwriting within the electronic information. - View Dependent Claims (17, 18, 19)
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Specification