# US 2014/0153129 A1 · Electrical device having a reducing harddisk vibration function and reducing harddisk vibration method > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0153129 A1 - Document ID: US20140153129A1 - Status: Published application - Kind: A1 - Application number: 14/079,570 - Filed: 2013-11-13 - Published: 2014-06-05 - Earliest claimed: 2012-12-04 - Assignees: Wistron Corporation - Applicants: Wistron Corp. - Inventors: Chieh-Hao Chen - Web page: https://patentgrep.com/patent/US20140153129A1 ## CPC - G11B 20/10046: {filtering or equalising, e.g. setting the tap weights of an FIR filter} - G11B 20/10018: {analog processing for digital recording or reproduction (G11B20/10037 - G11B20/10481 take precedence)} - G11B: INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER (recording measured values in a way that does not require playback through a transducer G01D9/00; recording or playback apparatus using mechanically marked tape, e.g. punched paper tape, or using unit records, e.g. punched or magnetically marked cards G06K; transferring data from one type of record carrier to another G06K1/18; circuits for coupling output of reproducer to radio receiver H04B1/20; gramophone pick-ups or like acoustic electromechanical transducers or circuits therefor H04R) ## Abstract The present application discloses a method to reduce hard-disk vibrations. The method to reduce hard-disk vibrations is for an electrical device having a hard-disk and a speaker, and the method to reduce hard-disk vibrations includes: determining a vibration value of the hard-disk when the speaker outputs an audio signal; determining whether the vibration value exceeds a predetermined vibration value; when the vibration value exceeds the predetermined vibration value, adjusting the audio signal into an adjusted audio signal via a reducing vibration equalizer; and outputting the adjusted audio signal by the speaker, wherein an amplitude of a predetermined frequency of the adjusted audio signal is smaller than an amplitude of the predetermined frequency of the audio signal. ## Claims ### Claim 1 A method to reduce hard-disk vibrations for an electrical device having a hard-disk and a speaker, comprising: determining a vibration value of the hard-disk when the speaker outputs an audio signal; determining whether the vibration value exceeds a predetermined vibration value; when the vibration value exceeds the predetermined vibration value, adjusting the audio signal into an adjusted audio signal via a reducing vibration equalizer; and outputting the adjusted audio signal by the speaker, wherein an amplitude of a predetermined frequency of the adjusted audio signal is smaller than an amplitude of the predetermined frequency of the audio signal. ### Claim 2 (depends on 1) The method to reduce hard-disk vibrations of claim 1, wherein the predetermined frequency is an audio frequency outputted by the speaker when a data transmission rate of the hard-disk is lower than a predetermined data transmission rate. ### Claim 3 (depends on 1) The method to reduce hard-disk vibrations of claim 1, further comprising: when the vibration value does not exceed the predetermined vibration value, outputting the audio signal by the speaker. ### Claim 4 (depends on 1) The method to reduce hard-disk vibrations of claim 1, further comprising: outputting a test signal by the speaker during a test period; detecting a data transmission rate of the hard-disk at each time during the test period; determining a frequency of the test signal at the time when the data transmission rate of the hard-disk is lower than a predetermined data transmission rate; and setting the reducing vibration equalizer according to the frequency. ### Claim 5 (depends on 4) The method to reduce hard-disk vibrations of claim 4, further comprising: obtaining a test vibration value of the hard-disk at each time during the test period; determining the test vibration value corresponding to the time when the data transmission rate of the hard-disk is lower than a predetermined data transmission rate; and obtaining the predetermined vibration value according to the test vibration value. ### Claim 6 (depends on 4) The method to reduce hard-disk vibrations of claim 4, wherein the predetermined data transmission rate is 10 MegaBytes/sec. ### Claim 7 An electrical device having a reducing hard-disk vibration function, comprising: a hard-disk, having a data transmission rate; a speaker, configured to output an audio signal and an adjusted audio signal; a sensor, detecting a vibration value of the hard-disk; a control unit, determining whether the vibration value exceeds a predetermined vibration value when the speaker outputs the audio signal, and generating a reducing vibration signal when the vibration value exceeds the predetermined vibration value; and an audio codec unit, adjusting the audio signal into the adjusted audio signal via a reducing vibration equalizer when receiving the reducing vibration signal, wherein an amplitude of a predetermined frequency of the adjusted audio signal is smaller than an amplitude of the predetermined frequency of the audio signal. ### Claim 8 (depends on 7) The electrical device of claim 7, wherein the predetermined frequency is an audio frequency outputted by the speaker when a data transmission rate of the hard-disk is lower than a predetermined data transmission rate. ### Claim 9 (depends on 7) The electrical device of claim 7, wherein when the vibration value does not exceed the predetermined vibration value, the speaker continuously outputs the audio signal. ### Claim 10 (depends on 7) The electrical device of claim 7, wherein the control unit is an embedded controller.