# US 9,519,360 B2 · Palm rejection visualization for passive stylus > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 9,519,360 B2 - Document ID: US9519360B2 - Status: Granted - Kind: B2 - Application number: 14/567,947 - Filed: 2014-12-11 - Published: 2016-06-16 - Granted: 2016-12-13 - Earliest claimed: 2014-12-11 - Assignees: Synaptics Incorporated - Applicants: Synaptics Incorporated - Inventors: Joel Jordan - Web page: https://patentgrep.com/patent/US9519360B2 ## CPC - G06F 3/041661: {using detection at multiple resolutions, e.g. coarse and fine scanning; using detection within a limited area, e.g. object tracking window} - G06F 3/03545: {Pens or stylus} - G06F 3/0443: {using a single layer of sensing electrodes} - G06F 3/0446: {using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes} - G06F 3/0488: using a touch-screen or digitiser, e.g. input of commands through traced gestures - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) ## Abstract A processing system for a capacitive sensing device has a sensor module with sensor circuitry coupled to sensor electrodes, the sensor module drives the sensor electrodes for capacitive sensing, and a determination module to detect input objects in a sensing region of the capacitive sensing device, enter a pen mode based on detecting a condition, determine, responsive to entering the pen mode, exclusion data based on at least the one input object. An exclusion region is displayed by a host device, the exclusion region is based on the exclusion data and includes a portion of the sensing region with diminished detectability of an input object. ## Claims ### Claim 1 A processing system for a capacitive sensing device, comprising: a sensor module comprising sensor circuitry configured to be coupled to a plurality of sensor electrodes, the sensor module configured to drive the plurality of sensor electrodes for capacitive sensing; and a determination module configured to: detect a first input object and a second input object in a sensing region of the capacitive sensing device; enter a pen mode based on detecting a first condition; and determine, responsive to entering the pen mode, exclusion data based on at least the second input object, wherein an exclusion region is displayed by a host device, the exclusion region based on the exclusion data and comprising a portion of the sensing region with diminished detectability of the first input object, wherein the exclusion region is displayed, to be viewable by a user, as a partially transparent area on a display of the host device, and wherein the exclusion region is influenced by a size and strength of the second input object, and a layout of the plurality of sensor electrodes. ### Claim 2 (depends on 1) The processing system of claim 1, wherein the second input object is a hand of the user. ### Claim 3 (depends on 1) The processing system of claim 1, wherein the first input object is a passive pen. ### Claim 4 (depends on 1) The processing system of claim 1, wherein the first condition is a determination that the first input object is a passive pen. ### Claim 5 (depends on 1) The processing system of claim 1, wherein the condition is a launch of an application on the host device or an event occurring on the host device. ### Claim 6 An input device system, comprising: a display device; a plurality of sensor electrodes; and a processing system, the processing system coupled to the sensor electrodes and the display device, the processing system configured to: drive the plurality of sensor electrodes to detect a first input object and a second input object in a sensing region; enter a pen mode based on detecting a first condition; determine, responsive to entering the pen mode, exclusion data based on at least the second input object; and output an exclusion region on the display device, the exclusion region based on the exclusion data and comprising a portion of the sensing region with diminished detectability of the first input object, wherein the exclusion region is displayed, to be viewable by a user, as a partially transparent area on a display of the display device, and wherein the exclusion region is influenced by a size and strength of the second input object, and a layout of the plurality of sensor electrodes. ### Claim 7 (depends on 6) The input device system of claim 6, wherein the second input object is a hand of the user. ### Claim 8 (depends on 6) The input device system of claim 6, wherein first input object is a passive pen. ### Claim 9 (depends on 6) The input device system of claim 6, wherein the first condition is a determination that the first input object is a passive pen. ### Claim 10 (depends on 6) The input device system of claim 6, wherein the first condition is a launch of an application or an event occurring on the display device. ### Claim 11 A method for capacitive sensing, comprising: detecting a first input object and a second input object in a sensing region of a capacitive sensing device; entering a pen mode based on detecting a first condition; and determining, responsive to entering the pen mode, exclusion data based on at least the second input object, wherein an exclusion region is displayed by a host device, the exclusion region based on the exclusion data and comprising a portion of the sensing region with diminished detectability of the first input object while in the pen mode, wherein the exclusion region is displayed, to be viewable by a user, as a partially transparent area on a display of the host device, and wherein the exclusion region is influenced by a size and strength of the second input object, and a layout of the plurality of sensor electrodes. ### Claim 12 (depends on 11) The method of claim 11, wherein the exclusion data comprises the exclusion region. ### Claim 13 (depends on 11) The method of claim 11, further comprising: reporting the exclusion data to the host device, the host device configured to determine the exclusion region based on the exclusion data. ### Claim 14 (depends on 11) The method of claim 11, wherein the first input object is a passive pen. ### Claim 15 (depends on 11) The method of claim 11, wherein the first condition is a determination that the first input object is a passive pen.