# US 2018/0322856 A1 · Smart piano system > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2018/0322856 A1 - Document ID: US20180322856A1 - Status: Published application - Kind: A1 - Application number: 16/033,641 - Filed: 2018-07-12 - Published: 2018-11-08 - Earliest claimed: 2016-01-15 - Assignees: Sunland Information Technology Co., Ltd. - Applicants: Sunland Information Technology Co., Ltd. - Inventors: Xiaolu LIU; Yangyi TENG - Web page: https://patentgrep.com/patent/US20180322856A1 ## CPC - G09B 15/00: Teaching music (metronomes G04F5/02) - G01P 13/00: Indicating or recording presence, absence, or direction, of movement (electric switches H01H; counting moving objects G06M7/00) - G10C 1/02: of upright pianos - G10C 1/04: of grand pianos - G10C 3/00: Details or accessories - G10C 3/12: Keyboards; Keys - G10C 3/26: Pedals or pedal mechanisms (G10C3/14 takes precedence); Manually operated sound modification means - G10F 1/02: Pianofortes with keyboard - G10H 1/00: Details of electrophonic musical instruments - G10H 1/0008: {Associated control or indicating means} - G10H 1/0016: {Means for indicating which keys, frets or strings are to be actuated, e.g. using lights or leds} - G10H 1/344: {Structural association with individual keys (electrically operated wind-actuated organs G10B3/22)} - G10H 1/44: Tuning means - G10H 2220/015: Musical staff, tablature or score displays, e.g. for score reading during a performance - G10H 2220/091: Graphical user interface [GUI] specifically adapted for electrophonic musical instruments, e.g. interactive musical displays, musical instrument icons or menus; Details of user interactions therewith - G10H 2220/201: for movement interpretation, i.e. capturing and recognizing a gesture or a specific kind of movement, e.g. to control a musical instrument - G10H 2220/221: Keyboards, i.e. configuration of several keys or key-like input devices relative to one another - G10H 2220/275: Switching mechanism or sensor details of individual keys, e.g. details of key contacts, hall effect or piezoelectric sensors used for key position or movement sensing purposes; Mounting thereof - G10H 2220/305: using a light beam to detect key, pedal or note actuation - G10H 2230/011: Hybrid piano, e.g. combined acoustic and electronic piano with complete hammer mechanism as well as key-action sensors coupled to an electronic sound generator - G09B: EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS (devices for psychotechnics or for testing reaction times A61B5/16; games, sports, amusements A63; projectors, projector screens G03B) - G01P: MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT (measuring or recording blood flow A61B5/02, A61B8/06; monitoring speed or deceleration of electrically-propelled vehicles B60L3/00; vehicle lighting systems adapted to indicate speed B60Q1/54; determining position or course in navigation, measuring ground distance in geodesy or surveying G01C; combined measuring devices for measuring two or more variables of movement G01C23/00; measuring velocity of sound G01H; measuring velocity of light G01J7/00; measuring direction or velocity of solid objects by reception or emission of radiowaves or other waves and based on propagation effects, e.g. Doppler effect, propagation time, direction of propagation, G01S; measuring speed of nuclear radiation G01T; measuring acceleration of gravity G01V; {measuring or recording the speed of trains B61L23/00; speed indicators incorporated in motor vehicles B60K35/00; measuring frequency or phase G01R; traffic control G08G}) - G10C: PIANOS, HARPSICHORDS, SPINETS OR SIMILAR STRINGED MUSICAL INSTRUMENTS WITH ONE OR MORE KEYBOARDS (automatic musical instruments G10F) - G10F: AUTOMATIC MUSICAL INSTRUMENTS (non-musical aspects of toy instruments A63H5/00; sound recording or reproducing G11B; working in association with recording or reproducing apparatus G11B31/02) - G10H: ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE ## Abstract Systems and methods for providing a piano system are provided. In some embodiments, the methods include receiving a plurality of key signals related to a first performance of a piece of music, wherein each of the plurality of key signals corresponds to motion of at least one key of a piano during the first performance; generating first performance information based on the plurality of key signals; receiving musical data related to a second performance of the piece of music; receiving musical data related to a second performance of the piece of music, generating second performance information based on the musical data; and providing content for presentation on a display device based on the first performance information and the second performance information. The methods can also include receiving at least one pedal signal corresponding to motion of a pedal of the piano during the first performance, and generating first performance information based on the pedal signal. ## Claims ### Claim 1 A piano system, comprising: a processing device to: receive a plurality of key signals related to a first performance of a piece of music, wherein each of the plurality of key signals corresponds to motion of at least one key of a piano during the first performance; generate first performance information based on the plurality of key signals; receive musical data related to a second performance of the piece of music; generate second performance information based on the musical data; and provide content for presentation on a display device based on the first performance information and the second performance information. ### Claim 2 (depends on 1) The piano system of claim 1, further comprising a plurality of key sensors configured to generate the plurality of key signals. ### Claim 3 (canceled) ### Claim 4 (depends on 1) The piano system of claim 1, wherein the processing device is further to: receive a first pedal signal corresponding to motion of a pedal of the piano during the first performance; and generate the first performance information based on the pedal signal. ### Claim 5 (depends on 4) The piano system of claim 4, wherein the processing device is further to perform at least one function based on an input received via a function-selection pedal, wherein the function comprises at least one of turning pages of a music sheet, presenting at least a portion of the content on the display device, or adjusting one or more parameters related to presentation of the content. ### Claim 6 (depends on 5) The piano system of claim 5, wherein the piano system further comprises a pedal sensor configured to generate a second pedal signal based on the input received via the function-selection pedal, and wherein the processing device is further to perform the at least one function in response to receiving the second pedal signal. ### Claim 7 (canceled) ### Claim 8 (depends on 1) The piano system of claim 1, wherein the processing device is further to determine positional information about a first key of the piano based on a first key signal, wherein the plurality of key signals comprises the first key signal. ### Claim 9 (depends on 1) The piano system of claim 1, wherein, to determine the positional information, the processing device is further to compare a plurality of values of the first key signal with a plurality of reference values, and wherein the plurality of reference values corresponds to a plurality of positions of the first key. ### Claim 10 (depends on 1) The piano system of claim 1, wherein, to provide the content for presentation on the display device, the processing device is further to generate at least one display parameter for displaying the content. ### Claim 11 (depends on 1) The piano system of claim 1, wherein the processing device is further to generate the content based on the second performance information, and wherein the content comprises at least one content item indicative of a strength to be applied to a key of the piano, an operation sequence of a plurality of keys of the piano, or a music sheet. ### Claim 12 (depends on 1) The piano system of claim 1, wherein the first performance information comprises at least one of an operation sequence of a plurality of piano keys, positional information about the piano keys, or a musical note, and the second performance information comprises at least one of an operation sequence of a plurality of piano keys, positional information about the piano keys, or a musical note. ### Claim 13 (canceled) ### Claim 14 (depends on 1) The piano system of claim 1, wherein the content comprises at least one virtual keyboard, and wherein the virtual keyboard comprises a plurality of virtual keys corresponding to a plurality of real keys of the piano. ### Claim 15 (canceled) ### Claim 16 (canceled) ### Claim 17 (depends on 1) The piano system of claim 1, wherein the processing device is further to perform sound compensation based on at least one of information of an acoustic environment, a type of the piano, or the first performance information. ### Claim 18 (canceled) ### Claim 19 (depends on 1) The piano system of claim 1, further comprising a plurality of adaptors configured to couple a plurality of substrates to the piano, wherein said plurality of adaptors further comprise at least one connection unit, the connection unit moving in a first direction for a predefined arrange of distance, said connection unit further comprising at least one supporting structure configured to connect a plurality of keys of the piano to the plurality of adaptors. ### Claim 20 (canceled) ### Claim 21 (canceled) ### Claim 22 (depends on 1) The piano system of claim 1, wherein the processing device is further to: compare the first performance information with the second performance information; detect at least one error in the first performance based on the comparison; and provide the content based on the error. ### Claim 23 A method of providing a piano system, comprising: receiving a plurality of key signals related to a first performance of a piece of music, wherein each of the plurality of key signals corresponds to motion of at least one key of a piano during the first performance; generating, by a processing device, first performance information based on the plurality of key signals; receiving musical data related to a second performance of the piece of music; generating second performance information based on the musical data; and providing, by the processing device, content for presentation on a display device based on the first performance information and the second performance information. ### Claim 24 (depends on 23) The method of claim 23, further comprising: receiving at least one pedal signal corresponding to motion of a pedal of the piano during the first performance; and generating the first performance information based on the pedal signal. ### Claim 25 (depends on 23) The method of claim 23, further comprising determining positional information about a first key of the piano based on a first key signal, wherein the plurality of key signals comprises the first key signal. ### Claim 26 (depends on 25) The method of claim 25, wherein determining the positional information comprises comparing a plurality of values of the first key signal with a plurality of reference values, and wherein the plurality of reference values corresponds to a plurality of positions of the first key. ### Claim 27 (depends on 23) The method of claim 23, wherein providing the content for presentation on the display device comprises generating at least one display parameter for displaying the content. ### Claim 28 (depends on 23) The method of claim 23, further comprising generating the content based on the second performance information, wherein the content comprises at least one content item indicative of a strength to be applied to a key of the piano, an operation sequence of a plurality of keys of the piano, or a music sheet.