# US 2014/0192005 A1 · Method for presenting tactile sensation and device therefor > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0192005 A1 - Document ID: US20140192005A1 - Status: Published application - Kind: A1 - Application number: 14/241,639 - Filed: 2013-06-20 - Published: 2014-07-10 - Earliest claimed: 2012-06-29 - Assignees: Panasonic Corporation - Applicants: Panasonic Corporation - Inventors: Daisuke Wakuda; Takeshi Suzuki; Tetsuyoshi Ogura; Koichi Hirano - Web page: https://patentgrep.com/patent/US20140192005A1 ## CPC - G06F 3/0446: {using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes} - G06F 3/016: {Input arrangements with force or tactile feedback as computer generated output to the user} - G06F 3/041: Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means - G06F 3/0412: {Digitisers structurally integrated in a display} - G06F 3/0488: using a touch-screen or digitiser, e.g. input of commands through traced gestures - G06F 3/04883: for inputting data by handwriting, e.g. gesture or text - G08B 6/00: Tactile signalling systems, e.g. tactile personal calling systems - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - G08B: SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS ## Abstract The tactile sense presentation device comprises: a plurality of first electrodes covered with an insulating film and arranged on a same plane; a plurality of second electrodes arranged on the plane with tops exposed to outside; and a control unit performing a first operation in parallel with a second operation, wherein the first operation is for applying temporally changing first voltages to a part of the plurality of first electrodes to generate electric fields which are changed by the part of the plurality of first electrodes, and the second operation is for applying temporally changing first electric currents to a part of the plurality of second electrodes to cause the electric currents to flow from the part of the plurality of second electrodes to second electrodes which are different from the part of the plurality of second electrodes via electric conductors. ## Claims ### Claim at position 1 1-9. (canceled) ### Claim 10 A tactile sense presentation device, comprising: a plurality of first electrodes covered with an insulating film and arranged on a same plane; a plurality of second electrodes arranged on the plane with tops exposed to outside; and a control unit performing a first operation in parallel with a second operation and performing a third operation, wherein the first operation is for applying temporally changing first voltages to a part of the plurality of first electrodes to generate electric fields which are changed by the part of the plurality of first electrodes, and the second operation is for applying temporally changing first electric currents to a part of the plurality of second electrodes to cause the electric currents to flow from the part of the plurality of second electrodes to second electrodes which are different from the part of the plurality of second electrodes via electric conductors, and wherein the third operation is for applying temporally changing second voltages to a part of the plurality of first electrodes to detect voltages generated in at least another part of the rest of the part of the plurality of first electrodes under the second voltage applied state and to detect positions of dielectrics which are in the vicinity of the tactile sense presentation device based on the detected voltages. ### Claim 11 (depends on 10) The tactile sense presentation device according to claim 10, wherein the control unit performs the third operation and the first operation in a time sharing manner or a space sharing manner. ### Claim 12 (depends on 10) The tactile sense presentation device according to claim 10, wherein the control unit performs a fourth operation and the second operation in a time sharing manner or a space sharing manner, and the fourth operation is for applying temporally changing third voltages to a part of the plurality of second electrodes to detect voltages generated in at least another part of the rest of the part of the plurality of second electrodes under the third voltage applied state and to detect positions of dielectrics which are in the vicinity of the tactile sense presentation device based on the detected voltages. ### Claim 13 (depends on 12) The tactile sense presentation device according to claim 12, comprising: a substrate which is an insulator; the plurality of first electrodes covered with an insulating film and arranged on a same plane which is parallel with a main surface of the substrate; the plurality of second electrodes arranged on the plane with tops exposed to outside; a plurality of first extraction electrodes electrically connecting the plurality of first electrodes with the control unit and arranged on a plane which is parallel with the main surface of the substrate; and a plurality of second extraction electrodes electrically connecting the plurality of second electrodes with the control unit and arranged on the plane which is parallel with the main surface of the substrate. ### Claim 14 (depends on 13) The tactile sense presentation device according to claim 13, characterized in that the substrate, the plurality of first electrodes, the plurality of second electrodes, the insulating film, the plurality of first extraction electrodes, and the plurality of second extraction electrodes are made of a transparent material. ### Claim 15 (depends on 14) The tactile sense presentation device according to claim 14, characterized by presenting a tactile sense corresponding to an image as superimposed on the image. ### Claim 16 A tactile sense presentation method, comprising: arranging a plurality of first electrodes covered with an insulating film on a same plane; arranging a plurality of second electrodes on the plane with tops exposed to outside; performing a first operation in parallel with a second operation, wherein the first operation if for applying temporally changing first voltages to a part of the plurality of first electrodes to generate electric fields which are changed by the part of the plurality of first electrodes, and the second operation is for applying temporally changing first electric currents to a part of the plurality of second electrodes to cause the electric currents to flow from the part of the plurality of second electrodes to second electrodes which are different from the part of the plurality of second electrodes via electric conductors; and performing a third operation, wherein the third operation is for applying temporally changing second voltages to a part of the plurality of first electrodes to detect voltages generated in at least another part of the rest of the part of the plurality of first electrodes under the second voltage applied state and to detect positions of dielectrics which are in the vicinity of a tactile sense presentation device based on the detected voltages. ### Claim 17 (depends on 16) The tactile sense presentation method according to claim 16, further comprising performing the third operation and the first operation in a time sharing manner or a space sharing manner. ### Claim 18 (depends on 16) The tactile sense presentation method according to claim 16, further comprising performing a fourth operation and the second operation in a time sharing manner or a space sharing manner, wherein the fourth operation is for applying temporally changing third voltages to a part of the plurality of second electrodes to detect voltages generated in at least another part of the rest of the part of the plurality of second electrodes under the third voltage applied state and to detect positions of dielectrics which are in the vicinity of the tactile sense presentation device based on the detected voltages.