# US 2018/0024653 A1 · Pen device - panel interaction based on electromagnetic signals output by the pen device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2018/0024653 A1 - Document ID: US20180024653A1 - Status: Published application - Kind: A1 - Application number: 15/655,759 - Filed: 2017-07-20 - Published: 2018-01-25 - Earliest claimed: 2016-07-21 - Assignees: Samsung Electronics Co., Ltd. - Applicants: Samsung Electronics Co., Ltd. - Inventors: Vatche A. Attarian; Olivier Bau; Mike Digman; Sajid Sadi; Sajjad Rahaman - Web page: https://patentgrep.com/patent/US20180024653A1 ## CPC - G06F 3/0383: {Signal control means within the pointing device} - G06F 3/03545: {Pens or stylus} - G06F 3/04162: {for exchanging data with external devices, e.g. smart pens, via the digitiser sensing hardware} - G06F 3/046: by electromagnetic means - G06F 2203/04108: Touchless 2D- digitiser, i.e. digitiser detecting the X/Y position of the input means, finger or stylus, also when it does not touch, but is proximate to the digitiser's interaction surface without distance measurement in the Z direction - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) ## Abstract A user input on a panel can be realized by detecting, by the panel, at least a first electromagnetic signal output by a pen device and, responsive to detecting the first electromagnetic signal output by the pen device, initiating at least a first process of a plurality of processes based on detecting the first electromagnetic signal output by the pen device. ## Claims ### Claim 1 A method for realizing a user input on a panel, comprising: detecting, by the panel, at least a first electromagnetic signal output by a pen device; and responsive to detecting the first electromagnetic signal output by the pen device, initiating at least a first process of a plurality of processes based on detecting the first electromagnetic signal output by the pen device. ### Claim 2 (depends on 1) The method of claim 1, further comprising; identifying at least a portion of a plurality of frequencies contained in the first electromagnetic signal; wherein the first process is determined based on identifying at least the portion of the plurality of frequencies contained in the first electromagnetic signal. ### Claim 3 (depends on 1) The method of claim 1, wherein the first electromagnetic signal is an electromagnetic noise signal detected by the pen device and passively output by the pen device. ### Claim 4 (depends on 1) The method of claim 1, wherein the first electromagnetic signal is an electromagnetic noise signal detected by the pen device and output by an electromagnetic signal generator of the pen device. ### Claim 5 (depends on 1) The method of claim 1, further comprising: determining a duration of time the first electromagnetic signal is detected by the panel; wherein the first process is selected based on the duration of time the first electromagnetic signal is detected by the panel. ### Claim 6 (depends on 1) The method of claim 1, further comprising: detecting, by the panel, a second electromagnetic signal output by the pen device, the second electromagnetic signal including at least one frequency not contained in the first electromagnetic signal; identifying the at least one frequency included in the second electromagnetic signal that is not contained in the first electromagnetic signal; and responsive to identifying the at least one frequency included in the second electromagnetic signal that is not contained in the first electromagnetic signal, initiating at least a second process based on detecting the second electromagnetic signal output by the pen device. ### Claim 7 (depends on 1) The method of claim 1, further comprising: detecting, by at least one sensor external to the panel, the first electromagnetic signal output by the pen device; and responsive to detecting, by the at least one sensor external to the panel, the first electromagnetic signal output by the pen device, initiating at least a second process. ### Claim 8 A method of outputting at least a first electromagnetic signal by a pen device, comprising: outputting at least a first electromagnetic signal by the pen device, wherein detection of the first electromagnetic signal causes initiation of a first process of a plurality of processes at a device. ### Claim 9 (depends on 8) The method of claim 8, further comprising: detecting, by the pen device, at least one electromagnetic noise signal external to the pen device; wherein the pen device passively outputs the electromagnetic noise signal as the first electromagnetic signal. ### Claim 10 (depends on 8) The method of claim 8, further comprising: detecting, by the pen device, at least one electromagnetic noise signal external to the pen device; wherein the pen device outputs the electromagnetic noise signal using an electromagnetic signal generator of the pen device. ### Claim 11 (depends on 8) The method of claim 8, further comprising: outputting at least a second electromagnetic signal, the second electromagnetic signal including at least one frequency not contained in the first electromagnetic signal. ### Claim 12 (depends on 8) The method of claim 8, further comprising: receiving at least one user input by the pen device; and responsive to receiving the at least one user input, outputting a second electromagnetic signal, the second electromagnetic signal including at least one frequency not contained in the first electromagnetic signal. ### Claim 13 An apparatus, comprising: a memory configured to store instructions; and a processor coupled to the memory, wherein the processor, in response to executing the instructions, is configured to initiate operations for realizing a user input on a panel including: detecting, by the panel, at least a first electromagnetic signal output by a pen device; and responsive to detecting the first electromagnetic signal output by the pen device, initiating at least a first process of a plurality of processes based on detecting the first electromagnetic signal output by the pen device. ### Claim 14 (depends on 13) The apparatus of claim 13, the operations further comprising; identifying at least a portion of a plurality of frequencies contained in the first electromagnetic signal; wherein the first process is determined based on identifying at least the portion of the plurality of frequencies contained in the first electromagnetic signal. ### Claim 15 (depends on 13) The apparatus of claim 13, wherein the first electromagnetic signal is an electromagnetic noise signal detected by the pen device and passively output by the pen device. ### Claim 16 (depends on 13) The apparatus of claim 13, wherein the first electromagnetic signal is an electromagnetic noise signal detected by the pen device and output by an electromagnetic signal generator of the pen device. ### Claim 17 (depends on 13) The apparatus of claim 13, the operations further comprising: determining a duration of time the first electromagnetic signal is detected by the panel; wherein the first process is selected based on the duration of time the first electromagnetic signal is detected by the panel. ### Claim 18 (depends on 13) The apparatus of claim 13, the operations further comprising: detecting, by the panel, a second electromagnetic signal output by the pen device, the second electromagnetic signal including at least one frequency not contained in the first electromagnetic signal; identifying the at least one frequency included in the second electromagnetic signal that is not contained in the first electromagnetic signal; and responsive to identifying the at least one frequency included in the second electromagnetic signal that is not contained in the first electromagnetic signal, initiating at least a second process based on detecting the second electromagnetic signal output by the pen device. ### Claim 19 (depends on 13) The apparatus of claim 13, the operations further comprising: detecting, by at least one sensor external to the panel, the first electromagnetic signal output by the pen device; and responsive to detecting, by the at least one sensor external to the panel, the first electromagnetic signal output by the pen device, initiating at least a second process. ### Claim 20 A pen device, comprising: at least component that outputs at least a first electromagnetic signal by the pen device, wherein detection of the first electromagnetic signal causes initiation of a first process of a plurality of processes at an apparatus. ### Claim 21 (depends on 20) The pen device of claim 20, wherein: the pen device detects at least one electromagnetic noise signal external to the pen device; and the pen device passively outputs the electromagnetic noise signal as the first electromagnetic signal via the component. ### Claim 22 (depends on 20) The pen device of claim 20, further comprising: an electromagnetic signal generator configured to generate the first electromagnetic signal. ### Claim 23 (depends on 20) The pen device of claim 20, further comprising: an electromagnetic signal generator configured to output at least a second electromagnetic signal, the second electromagnetic signal including at least one frequency not contained in the first electromagnetic signal. ### Claim 24 (depends on 20) The pen device of claim 20, further comprising: an electromagnetic signal generator configured to receive at least one user input and, responsive to receiving the at least one user input, output a second electromagnetic signal, the second electromagnetic signal including at least one frequency not contained in the first electromagnetic signal. ### Claim 25 A computer program product comprising a computer readable storage medium having program code stored thereon for realizing a user input on a panel, the program code executable by a processor to perform operations comprising: detecting, by the panel, at least a first electromagnetic signal output by a pen device; and responsive to detecting the first electromagnetic signal output by the pen device, initiating at least a first process of a plurality of processes based on detecting the first electromagnetic signal output by the pen device. ### Claim 26 (depends on 25) The computer program product of claim 25, wherein the program code is executable by the processor to perform operations further comprising: identifying at least a portion of a plurality of frequencies contained in the first electromagnetic signal; wherein the first process is determined based on identifying at least the portion of the plurality of frequencies contained in the first electromagnetic signal. ### Claim 27 (depends on 25) The computer program product of claim 25, wherein the first electromagnetic signal is an electromagnetic noise signal detected by the pen device and passively output by the pen device. ### Claim 28 (depends on 25) The computer program product of claim 25, wherein the first electromagnetic signal is an electromagnetic noise signal detected by the pen device and output by an electromagnetic signal generator of the pen device. ### Claim 29 (depends on 25) The computer program product of claim 25, wherein the program code is executable by the processor to perform operations further comprising: determining a duration of time the first electromagnetic signal is detected by the panel; wherein the first process is selected based on the duration of time the first electromagnetic signal is detected by the panel. ### Claim 30 (depends on 25) The computer program product of claim 25, wherein the program code is executable by the processor to perform operations further comprising: detecting, by the panel, a second electromagnetic signal output by the pen device, the second electromagnetic signal including at least one frequency not contained in the first electromagnetic signal; identifying the at least one frequency included in the second electromagnetic signal that is not contained in the first electromagnetic signal; and responsive to identifying the at least one frequency included in the second electromagnetic signal that is not contained in the first electromagnetic signal, initiating at least a second process based on detecting the second electromagnetic signal output by the pen device. ### Claim 31 (depends on 25) The computer program product of claim 25, wherein the program code is executable by the processor to perform operations further comprising: detecting, by at least one sensor external to the panel, the first electromagnetic signal output by the pen device; and responsive to detecting, by the at least one sensor external to the panel, the first electromagnetic signal output by the pen device, initiating at least a second process.