3648 results about "Sound production" patented technology

Circular stapling instruments for cutting and applying one or more surgical staples to tissue are disclosed. The instruments include various forms of feedback systems designed to provide at least one mode of feedback to the surgeon when the anvil has been attached to the device and / or when the anvil has been attached to the device and oriented in a firing position. Various types of feedback indicators are disclosed such as illumination devices, sound generating devices and vibration generation devices. In various embodiments, the feedback indicator comprises at least one illumination device mounted on the anvil which indicates that the anvil has been properly attached to the instrument and which can also serve to illuminate the surgical site.

A system for charging a power tool battery includes a charging device capable of charging a battery, a memory device capable of storing data of a plurality of sound patterns, a selecting device capable of selecting a sound pattern data from the plurality of sound patterns, and a sound generating device capable of generating a sound based on the selected sound pattern data when the charging operation of the battery by the charging device has been completed.

A communication component modifies production of an audio waveform at determined modification segments to thereby mitigate the effects of a delay in processing and / or receiving a subsequent audio waveform. The audio waveform and / or data associated with the audio waveform are analyzed to identify the modification segments based on characteristics of the audio waveform and / or data associated therewith. The modification segments show where the production of the audio waveform may be modified without substantially affecting the clarity of the sound or audio. In one embodiment, the invention modifies the sound production at the identified modification segments to extend production time and thereby mitigate the effects of delay in receiving and / or processing a subsequent audio waveform for production.

Circular stapling instruments for cutting and applying one or more surgical staples to tissue are disclosed. The instruments include various forms of feedback systems designed to provide at least one mode of feedback to the surgeon when the anvil has been attached to the device and / or when the anvil has been attached to the device and oriented in a firing position. Various types of feedback indicators are disclosed such as illumination devices, sound generating devices and vibration generating devices. In various embodiments, the feedback indicator comprises at least one illumination device mounted on the anvil which indicates that the anvil has been properly attached to the instrument and which can also serve to illuminate the surgical site.

The present invention is directed to a biometric sensor system 100 for measuring one or more physical or behavioral characteristic of a user, which system comprises: an information presenting unit 20 provided with a first sound presenting unit 22 and a second sound presenting unit 24 for operatively presenting sounds to a user, a portable device 10 provided with a sound producing unit 11, 40, 44, 46 for producing sounds to said sound presenting units 22, 24, and a biometric control unit 42 for controlling said measurement. The information presenting unit 20 comprises at least a first biometric sensor unit 32 and a second biometric sensor unit 32′ arranged to operatively enable a differential measurement of one or more physical or behavioral characteristic of a user, and the biometric control unit 42 is arranged to operatively control the biometric sensor units 32, 32′ so as to provide a differential measurement.

A pedal board for releasably retaining a plurality of foot pedal operated sound effect generators used in conjunction with musical instruments, such as guitars. The pedal board comprises an upper plate having a surface constructed to releasably hold a plurality of foot pedal operated sound effect generators. The pedal board is provided with an internal wiring harness and external jacks for connection of the sound effect generators in a desired array and which enable connection to the musical instrument as well as to an auxiliary sound generating component used with the musical instrument.

A hearing aid and a method of enhancing sound. In one embodiment, the hearing aid includes: (1) a direction sensor configured to produce data for determining a direction in which attention of a user is directed, (2) microphones to provide output signals indicative of sound received at the user from a plurality of directions, (3) a speaker for converting an electrical signal into enhanced sound and (4) an acoustic processor configured to be coupled to the direction sensor, the microphones, and the speaker, the acoustic processor being configured to superpose the output signals based on the determined direction to yield an enhanced signal based on the received sound, the enhanced signal having a higher content of sound received from the direction than sound received at the user.

A sound generating device for transforming an object into a loudspeaker is includes an exciter module adapted for receiving audio signals stored on a portable micro-memory card or the like and a mounting device connected to the exciter module for removably connecting the exciter module to an object such that the object is transformed into a loudspeaker when the exciter module is energized by the audio signals.

A system and method for selectively switching between a plurality of audio channels are provided. The system and method of the present disclosure will enable a user to listen to desired audio content, e.g., music with a total lack of distraction while selectively allowing certain important and selected sounds to interrupt the audio content. The system for selectively switching between a plurality of audio channels includes an audio content device (ACD) for supplying audio content on a first channel; at least one microphone input device for generating an acoustic signal from sound external to the system on a second channel; an audio signal processing control unit (ASPCU) for receiving the audio content on the first channel and the acoustic signal on the second channel and for selectively switching between the first and second channel; and an audio output device (AOD) for audibly producing sounds from the selected channel.

A user device and method discriminately provides audible responses to a voice command received by a user device that supports voice activation. The method includes detecting a first pre-established, audible activation command that activates the user device. In response to detecting the first pre-established, audible activation command, the method includes producing a first audible acknowledgement within loudspeaker proximity of the user device and then monitoring for detection of at least one second, audible acknowledgement produced by another user device within a pre-set time interval, which detection would indicate that the other user device is also responding. The method includes processing and responding to a received audible command in response to not detecting. However, in response to detecting, the method includes triggering entry into a privacy mode of audible command input and producing a privacy mode announcement via at least one of a display and a sound producing component.

Described herein are compliant electroactive polymer transducers for use in acoustic applications. A compliant electroactive polymer transducer includes a compliant electroactive polymer at least two electrodes. For sound production, circuitry in electrical communication with the transducer electrodes is configured to apply a driving signal that causes the electroactive polymer to deflect in the acoustic range.

A scheme to design an audio precompensation controller for a multichannel audio system, with a prescribed number N of loudspeakers in prescribed positions so that listeners positioned in any of P>1 spatially extended listening regions should be given the illusion of being in another acoustic environment that has L sound sources located at prescribed positions in a prescribed room acoustics. The method provides a unified joint solution to the problems of equalizer design, crossover design, delay and level calibration, sum-response optimization and up-mixing. A multi-input multi-output audio precompensation controller is designed for an associated sound generating system including a limited number of loudspeaker inputs for emulating a number of virtual sound sources. Method includes: estimating, for each loudspeaker input signals, an impulse response at each of a set of measurement positions that cover the P listening regions; specifying a target impulse response (target stages) for each virtual sound source at each measurement position; and determining adjustable filter parameters of the audio precompensation controller so that a criterion function is optimized.

A data entry device, including a plurality of sensing devices worn on a user's fingers, and a flat light-weight keypad for transmitting signals indicative of data entry keyboard functions to a computer or other data entry device. The sensing devices include sensors are used to detect unique codes appearing on the keys of the keypad or to detect a signal, such as a radar signal, generated by the signal generating device mounted to the keypad. Alternatively, sensing devices may be mounted to the keypad to determine the location of a user's finger upon selection of a keypad key. Pressure sensitive switches, one associated with each finger contain resistive elements and optionally sound generating means and are electrically connected to the sensors so that when the switches are pressed they activate a respective sensor and also provide a resistive force and sound comparable to keys of a conventional keyboard. Alternatively, a flat fully functional keyboard or touchscreen, which does not provide the user with significant tactile or auditory indication of a user's selection of a key, can be used and pressure sensitive switches containing resistive elements and optionally sound generating means are mounted to the user's fingers.

Microphone includes: a microphone element; a simulative feedback signal generation section that generates a simulative feedback signal simulating a feedback signal generated by a sound, produced via a speaker, returning the microphone element; and an arithmetic operator that subtracts the simulative feedback signal, generated by the simulative feedback signal generation section, from a sound signal collected by the microphone element, to thereby output the subtraction result as a residual signal. The residual signal output by the arithmetic operator is supplied to an amplifier device of the speaker as an output signal of the microphone. The simulative feedback signal generation section includes a delay circuit that delays the residual signal, output by the arithmetic operator, by a given time, and an adaptive filter that generates the simulative feedback signal by filtering a previous residual signal delayed by the delay circuit. The adaptive filter updates a filter coefficient on the basis of the previous residual signal delayed by the delay circuit and a current residual signal output by the arithmetic operator.

An artificial engine sound control unit which controls an artificial engine sound which is emitted from a sounding body which is provided at an electric vehicle whose at least a part of drive power is generated by an electric motor, to outside; comprising a speed region determination part which determines a speed region of the electric vehicle and an artificial engine sound generating part, when the speed region determination part determines such that the electric motor of the electric vehicle can be energized and the electric vehicle is stopped, the artificial engine sound generating part controls so as for the sounding body to emit an artificial engine sound, and the artificial engine sound generating part detects such that the electric vehicle comes close to a start running mode, then the artificial engine sound generating part controls the artificial engine sound which is emitted from the sounding body.

A remote control device having a tracking unit is provided. The remote control device has an audio code receiver therein and cooperated with a transmitter. When the device being used by a user, the transmitter generates an audio signal to the corresponding audio code receiver in the remote control device, so that the remote control device will generate a sound; therefore, the user can easy find the remote control device. The transmitter includes a sound signal generating unit, a sound processor, a control interface, and a speaker. The audio code receiver includes a sound controller, a signal frequency and timing detector, a received signal processor, and a sound sensor and a sound generating unit, and so on. By way of using the remote control device which includes several difference audio code receivers, the user can easily find the remote control device.

A device for electroacoustic sound generation in a motor vehicle with a sound pressure sensor, a signal processing unit, which is connected with the sound pressure sensor and receives and processes signals therefrom, and a loudspeaker unit with at least one loudspeaker connected with the signal processing unit. The sound pressure sensor is arranged in the area of the intake tract or exhaust gas tract of the motor vehicle. To ensure a sound generation that is as variable as possible and nevertheless authentic, a synthesizer that is connected with, or integrated in, the signal processing unit is used so that synthetic sound components can be added to the signals generated from the sound pressure sensor.

A user device and method discriminately provides audible responses to a voice command received by a user device that supports voice activation. The method includes detecting a first pre-established, audible activation command that activates the user device. In response to detecting the first pre-established, audible activation command, the method includes producing a first audible acknowledgement within loudspeaker proximity of the user device and then monitoring for detection of at least one second, audible acknowledgement produced by another user device within a pre-set time interval, which detection would indicate that the other user device is also responding. The method includes processing and responding to a received audible command in response to not detecting. However, in response to detecting, the method includes triggering entry into a privacy mode of audible command input and producing a privacy mode announcement via at least one of a display and a sound producing component.

The invention discloses a method and a system for effectively realizing anti-cheating remote online examination. According to the method, a face recognition technology is used for performing identity recognition on examinees, relative positions of faces, computer display screens for examination, keyboards and mice are compared for positioning recognition, and face information acquired during examination enrollment is compared by using a database technology; in an examination process, when the faces or eyes of the examinees are identified to leave a set identification range of the system, or faces acquired in an examination area are discovered to be inconsistent with faces acquired during application for examination paper for the first time after the system regularly or irregularly transmits identity recognition face comparison requests, the remote online examination system acquires set processing modes of the system, such as the operation of screen blacking, vibration prompting, sound production prompting, forcible paper collection and the like; and before the end of the examination, when the faces of the examinees leave the identification area for a set time, the system automatically collects the paper.

An apparatus comprises a first transducer configured to detect sound and generate a first signal based on the detected sound. The apparatus also comprises a second transducer configured to detect vibration and / or sound and generate a second signal based on the detected vibrations and / or sound. The second transducer is less acoustically responsive than the first transducer. The apparatus comprises an interface configured to send the first and second signals to a processor configured to modify the first signal on the basis of the second signal.

A system configured to capture and / or produce a sound event generated by a plurality of sound sources. In particular, the system may be configured such that the capture, processing, and / or output for sound production of sound objects associated with separate ones of the sound sources may be controlled on an individual based. This discretized control over the sound objects may enhance various aspects of productions of the sound event by systems that do not capture, process and / or output sounds from different sound sources in a manner that maintains the discrete nature of the sound sources.

An audio speaker having a speaker housing surrounding a back volume that is divided into a rear cavity behind a speaker driver and an adsorption cavity separated from the rear cavity by a permeable partition, is disclosed. More particularly, the adsorption cavity may be defined between the speaker housing and the permeable partition, and may be directly filled with adsorptive particles to adsorb gas during sound generation. The permeable partition may allow the gas to flow between the rear cavity and the adsorption cavity, and may retain the adsorptive particles within the adsorption cavity. Other embodiments are also described and claimed.

The prior arts have a problem that it is not precisely determined whether or not a human entering a room is an intruder, and consequently raising an alarm when there is a slightest possibility of an intruder, a malfunction may result, and raising an alarm only when there is a strong possibility of an intruder, a response to an intruder actually entered the room may be delayed. A self-propelled cleaner according to this invention is capable of executing a phased security, that is, turning on lights, flashing lights, making a loud sound, generating a go-away message, and generating a police report message upon detection of a human suspected of being an intruder, and takes an image of the room at each stage to transmit the resulting image to a family member away from the home, and determines whether or not the security level should be escalated according to an instruction from the family member

The invention discloses a method and a device for sound simulation and sound production of an electric vehicle. The method includes sound mode selection, real-time vehicle information acquisition, signal processing of a control unit and sound file play. The control unit is connected with a signal acquisition unit, a sound mode selection switch and an in-vehicle sound player; the control unit is used for receiving signals of a rotational speed sensor, a throttle sensor and a vehicle speed sensor, and selecting a signal transmitted from a movement mode switch or a comfort mode according to a driver and passengers to control the in-vehicle sound player so as to enable the in-vehicle sound player to produce sound. By the method and the device, driving sound of a motorized vehicle under the same state can be simulated accurately, sound types are selected individually, and the problems of low noise in the vehicle, single sound and unpleasant driving feeling of the electric vehicle are solved.

Disclosed is a sound output device for electric vehicle including a sound producing unit 11 for producing a sound, an information acquiring unit 12 for acquiring state information about the state of a vehicle or surroundings information about surroundings of the vehicle, and a control unit 13 for controlling a sound volume and an output direction of the sound produced by the sound producing unit 11 according to the vehicle state information or the surroundings information acquired by the information acquiring unit 12 to output the sound to outside the vehicle. Therefore, the sound output device for electric vehicle makes it easy for pedestrians and passengers each riding on a vehicle, such as a light vehicle or a motorbike, to hear the sound produced thereby, or can prevent neighboring residents from being put into an unpreferable situation.

A sound producing system includes a loudspeaker to generate an audible signal. A transducer generates a pressure feedback signal from the audible signal. A controller produces a controlled signal for application to the loudspeaker. The controller derives the controlled signal from the pressure feedback signal and an audio input signal. The controlled signal improves the Sound Pressure Level (SPL) frequency response and reduces distortion within a selected bandwidth of the loudspeaker.

The invention discloses a method, device and system for equipment to be connected with a Wi-Fi network. The method includes the steps that after the equipment to be connected into the network receives a sound wave signal which carries SSID and cipher information and is sent by an intelligent terminal through a sound production device of the intelligent terminal by the aid of a sound collection module, the SSID and the cipher information are acquired from the sound wave signal; the equipment is connected into the Wi-Fi network according to the acquired SSID and cipher information. By means of the method, device and system for the equipment to be connected with the Wi-Fi network, the equipment of other unmanned aerial vehicle interactive operation interfaces can be prevented from being illegally connected to the Wi-Fi network, and thus the safety of the equipment for being connected with the Wi-Fi network is improved.