# US 8,751,973 B2 · Display method and system for portable device using external display device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 8,751,973 B2 - Document ID: US8751973B2 - Status: Granted - Kind: B2 - Application number: 11/642,833 - Filed: 2006-12-21 - Published: 2007-11-22 - Granted: 2014-06-10 - Earliest claimed: 2006-05-18 - Assignees: Samsung Electronics Co., Ltd. - Applicants: Yong Hee Han; Soon Jin Kim; Jae Gon Son; Ki Tae Kim; Seok Gon Lee - Inventors: Yong Hee Han; Soon Jin Kim; Jae Gon Son; Ki Tae Kim; Seok Gon Lee - Web page: https://patentgrep.com/patent/US8751973B2 ## CPC - G06F 3/017: {Gesture based interaction, e.g. based on a set of recognized hand gestures (interaction based on gestures traced on a digitiser G06F3/04883)} - G06F 3/0346: with detection of the device orientation or free movement in a three-dimensional [3D] space, e.g. 3D mice, 6-DOF [six degrees of freedom] pointers using gyroscopes, accelerometers or tilt-sensors - G06F 3/1438: {using more than one graphics controller} - G06F 3/1454: {involving copying of the display data of a local workstation or window to a remote workstation or window so that an actual copy of the data is displayed simultaneously on two or more displays, e.g. teledisplay} - G06T 11/60: Creating or editing images; Combining images with text - H04M 1/72409: by interfacing with external accessories (hands-free H04M1/60) - G09G 2340/145: related to small screens - H04M 1/72412: using two-way short-range wireless interfaces - H04M 1/72427: for supporting games or graphical animations - H04M 2250/12: including a sensor for measuring a physical value, e.g. temperature or motion - H04M 2250/16: including more than one display unit - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - G06T: IMAGE DATA PROCESSING OR GENERATION, IN GENERAL - H04M: TELEPHONIC COMMUNICATION (circuits for controlling other apparatus via a telephone cable and not involving telephone switching apparatus G08) - G09G: ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION (arrangements for transferring data between digital computers and displays G06F3/14; static indicating arrangements comprising an association of a number of separate sources or light control cells G09F9/00; static indicating arrangements comprising integral associations of a number of light sources H01J, H01K, H10H, H05B33/12; scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission, details thereof H04N1/00) ## Abstract A display system and method of a portable phone using an external display device are provided, in which application data is displayed, a user input information presentation mode is activated while the application data is displayed, and a user input information corresponding to a signal is presented on the application data, if the signal is input in the user input information presentation mode. ## Claims ### Claim 1 A display method of a portable device having a sensor, an internal display and connected to an external display, comprising: displaying an application data on the external display; activating a user input information presentation mode, while the application data is displayed; determining whether the sensor is operating; analyzing, when the sensor is operating, a displacement signal generated by the sensor, wherein the displacement signal corresponds to a spatial displacement of the portable device; generating user input information corresponding to the displacement signal, wherein the user input information comprises at least one of a line drawing, a diagram drawing and a character input; and presenting the user input information overlaid with the application data on the application data on the external display. ### Claim 2 (depends on 1) The display method of claim 1, further comprising storing the application data and the user input information in a memory of the portable device. ### Claim 3 (depends on 2) The display method of claim 2, wherein the application data and the user input information are stored separately. ### Claim 4 (depends on 1) The display method of claim 1, wherein the application data comprises at least one of a text document, a still picture, and a motion picture. ### Claim 5 (depends on 1) The display method of claim 1, wherein the application data is displayed on at least one of the internal display and external display. ### Claim 6 (depends on 1) The method of claim 1, further comprising processing the user input information presented on the application data. ### Claim 7 (depends on 1) The display method of claim 1, further comprising: determining whether an input for storing the application data and the user input information as a combined image is performed; and storing the combined image, if the input for storing the application data and the user input information is performed. ### Claim 8 (depends on 1) The method of claim 1, further comprising storing an application for establishing a connection between a portable device and the external display, and the application data. ### Claim 9 A display system of a portable device having an internal display and connected to an external display, the display system comprising: a displacement detector for detecting a spatial displacement of the portable device, wherein the spatial displacement is analyzed as user input information; a memory for storing application data and an application configured to establish connection between the portable device and the external display; a screen image processing unit for processing the user input information presented on the application data; and a controller for: controlling the portable device to display the application data on the external display; activating a user input information presentation mode, while the application data is displayed; determining whether the displacement detector is operating, analyzing, when the sensor is operating, a displacement signal generated by the detector, wherein the displacement signal corresponds to a spatial displacement of the portable device; generating the user input information corresponding to the displacement signal, wherein the user input information comprises at least one of a line drawing, a diagram drawing and a character input; and controlling the portable device to present the user input information overlaid with the application data on the application data on the external display. ### Claim 10 (depends on 9) The display system of claim 9, wherein the controller controls the memory to store the application data and the user input information. ### Claim 11 (depends on 10) The display system of claim 10, wherein the application data and the user input information are stored separately. ### Claim 12 (depends on 9) The display system of claim 9, further comprising a keypad comprising a plurality of keys for performing key inputs. ### Claim 13 (depends on 9) The display system of claim 9, further comprising a connection interface for interfacing the portable device with the external display. ### Claim 14 (depends on 13) The display system of claim 13, wherein the connection interface comprises at least one of a wire interface module and a wireless interface module. ### Claim 15 (depends on 9) The display system of claim 9, wherein the application data comprises at least one of a text document, a still picture, and a motion picture. ### Claim 16 (depends on 9) The display system of claim 9, wherein the application data is displayed on at least one of the internal display and external display. ### Claim 17 (depends on 9) The display system of claim 9, wherein the controller is adapted to determine whether an input for storing the application data and the user input information as a combined image is performed, and to store the application data and the user input information as a combined image in the memory, if the input for storing the application data and the user input information is performed. ### Claim 18 A display method of a portable device having an internal display and connected to an external display, comprising: displaying application data on the external display; activating a user input information presentation mode, while the application data is displayed, wherein the user input information is presented overlaid on the application data; determining whether an event occurs in the user input information presentation mode, and if the event does not occur, determining whether the event is detected by a sensor, and generating an event signal corresponding to the event, wherein the event signal includes a spatial displacement between the portable device and the external display; generating the real time user input information corresponding to the spatial displacement; presenting on the application data the real time user input information corresponding to the displacement signal, if the signal is input in the user input information presentation mode; and storing in a memory of the portable device the application data and the user input information, wherein the application data and the user input information are stored separately. ### Claim 19 A display system of a portable device having an internal display and connected to an external display, the display system comprising: a displacement detector for detecting a spatial displacement between the portable device and the external display, wherein the spatial displacement is analyzed as user input information; a memory for storing an application for establishing connection between the portable device and the external display, presenting application data and user input information, wherein the user input information is presented overlaid on the application data, and storing the application data, wherein the application data and the user input information are stored separately in the memory; a screen image processing unit for processing the user input information presented on the application data; and a controller for controlling the portable device to operate in a user input information presentation mode, in which user input information is presented on the application data in real time according to a mode selection input, and wherein the controller is adapted to determine whether an event occurs in the user input information presentation mode, and, if the event does not occur, to determine whether the event is detected by a sensor, and to generate an event signal corresponding to the event, wherein the event signal includes the spatial displacement, and to generate the real time user input information corresponding to the spatial displacement.