Abstract: Provided is a mobile X-ray device with which the power consumption of the battery of the mobile X-ray device can be reduced efficiently by determining the state of movement of the mobile X-ray device from the states of the components thereof and controlling the supply of electric power to the components in non-movement-related sections, which are sections irrelevant to the movement of the mobile X-ray device.

Abstract: Systems and methods are described for a compact x-ray system that uses optical energy for triggering x-ray generation rather than a traditional filament. A photocathode is illuminated and the ensuing electrons are directed to an anode resulting in x-ray generation, resulting in increased x-ray source durability. Pulsing, beam forming, scanning, varying x-ray characteristics, longevity of source and other desirable attributes not currently available in the state of the art are achievable, through the use of shaped, multi-materialed photocathodes, shaped, multi-materialed anodes, arrays of optical lines, and so forth, as some examples. Inexpensive, highly controllable sources such as solid-state lasers can be used, permitting a wide variety of applications and power levels.

Abstract: A cathode element for a microfocus x-ray tube includes a heatable filament formed of a wire for thermionic emission of electrons for generating an electron beam. The filament, in a source area of the electron beam, has an elongate extension in two directions perpendicular to the electron beam.

Abstract: An X-ray optical system includes a waveguide that includes a core and a cladding and that guides X-rays from an X-ray source, and an optical element that condenses the X-rays from the waveguide. The core has a periodic structure. The critical angle for total internal reflection of the X-rays at the interface between the core and the cladding is larger than the Bragg angle of the periodic structure. The optical element condenses the X-rays from the waveguide at least in the direction parallel to the interface between the core and the cladding.

Abstract: To provide an X-ray waveguide which: shows a small propagation loss of an X-ray; has a waveguide mode with its phase controlled; does not deteriorate owing to oxidation; and can be easily produced, an X-ray waveguide, including: a core for guiding an X-ray in such a wavelength band that a real part of the refractive index of a material is 1 or less; and a cladding for confining the X-ray in the core, in which: the core has a one-dimensional periodic structure containing multiple materials having different real parts of the refractive index; the multiple materials include one of an organic material, a gas, and a vacuum, and an inorganic material; and the core and the cladding are formed so that the critical angle for total reflection at an interface between the core and the cladding is larger than a Bragg angle resulting from a periodicity of the one-dimensional periodic structure, is realized.

Abstract: A method for producing a scattered radiation grid for x-ray radiation by stacking strips and an associated scattered radiation grid are provided. The strips are cut out of a laminate that includes a first layer, a second layer, and a third layer. The first layer is formed from a first material that absorbs x-ray radiation, and the second layer is formed from a second material that is permeable to the x-ray radiation. A second material that is highly permeable to the x-ray radiation and reduces the attenuation of the scattered radiate on grid may be used.

Abstract: The invention relates to a medical x-ray imaging apparatus which includes a support construction (1) supporting a substantially ring-shaped structure (2), an O-arm (2), which in turn supports imaging means (21, 22) and which O-arm (2) is arranged with an examination opening (4). The imaging means (21, 22) are arranged movable within the O-arm (2). The apparatus is arranged with a patient support handlebar (5), which is arranged to be positioned in at least a first and a second position of which in the first position the patient support handlebar (5) functions as a patient support handlebar and in the second position it has some other function.

Abstract: An embodiment may include, in response to selecting of a displayed telephone number, prompting issuance of a click command to make an outgoing call to the displayed telephone number. The selecting may be indicated by highlighting the displayed telephone number. In response to an incoming call, a message may be displayed from an operating system. The message may include caller ID data and may prompt issuing of other click commands that, if issued, may result in answering the incoming call, conferencing the incoming call with the outgoing call, and placing on hold the outgoing call.

Abstract: Various exemplary embodiments relate to a telecom system. The telecom system may include at least one actively operating telecom component and at least one redundant telecom component. The redundant telecom component may be placed in a low power state based upon a first criteria, and in a high power state based upon a second criteria.

Abstract: A method for answering a communication includes the steps of receiving an incoming communication sent by a sender and intended for a communication device of a recipient and answering the communication with an injected audio, video, text, and or graphic message. The injected message indicates to the sender, in effect, that the recipient is presently unable to respond to the communication but is or will be made aware of the communication. The method further includes the step of providing a promise fulfillment feature that alerts the recipient to the communication and any promise to follow-up with the sender made in the injected message.

Abstract: A method, a system and computer readable storage media facilitate establishing a plurality of simultaneously occurring communication sessions between call agent devices and customer devices at a call center communication system. Each communication session is monitored to determine a priority score associated with each communication session, where each priority score provides an indication of a potential problem associated with the corresponding communication session. An indication of the priority score associated with each communication session is provided to a supervisor device.

Abstract: The present disclosure relates to a verification method and system. The method comprises: applying an encryption algorithm to a secret information so as to generate at least two images; transmitting a first image of the at least two images to a first device; and aligning and overlaying a second image of the at least two images with the first image during the proceeding of a verification process for recovering and revealing the secret information.

Abstract: An information processing system includes a medium storing contents for reproduction, and a reproducing device to reproduce the contents. The reproducing device obtains a device certificate and transmits the device certificate to the medium. The device certificate includes the reproducing device's type information, and the medium encodes a media ID for identifying the medium according to an encoding algorithm selected according to the reproducing device's type information. The encoded media ID is transmitted to the reproducing device, which decodes the encoded media ID according to a decoding algorithm corresponding to the device type of the reproducing device, and decrypts and reproduces data to which the obtained media ID is applied.

Abstract: A cryptographic processing device includes a private key storage unit which stores a private key d for elliptic curve cryptography, a random number generation unit which generates a b-bit random value s, and a processing unit. A bit string D is the private key d or a bit string obtained by modifying the private key d in such a way that a value of a most significant bit is 0, and a relation u=mk+b holds true for a length u of the bit string D, a window size k, and a positive integer m. The processing unit determines a signed k-bit window value w[i] corresponding to each i where 0?i?(m?1), a signed b-bit random value s[i] corresponding to each i, and a correction value g. The processing unit determines the above values under a certain constraint condition, while determining each random value s[i] to be +s or ?s.

Abstract: In one embodiment, a method includes transmitting compression information from a sender node to a receiver node in a key establishment protocol exchange and transmitting an encrypted compressed packet from the sender node to the receiver node using an unreliable transport. The compression information is used by the receiver node in decompressing the packet received from the sender node. An apparatus is also disclosed.

Abstract: The increase in popularity of Internet-based computing services for delivery of their information technology (IT) capability has also created dependences for the user to access their IT facilities and be able to work. The current invention provides solutions to these dependences using a system with a convenient, highly portable data storage device that when connected to a general purpose computer that has access to the internet, provides the user the ability to access and work on large, complex tasks and files on their internet-based IT facilities while simultaneously maintaining the security and integrity of the information and data transmitted over the internet between the user and their IT facilities.

Abstract: It is an object of this invention to implement a predicate encryption scheme with delegation capability. A cryptographic process is performed using dual vector spaces (dual distortion vector spaces) of a space V and a space V* paired through a pairing operation. An encryption device generates as a cipher vector a vector of the space V, the cipher vector being a vector in which transmission information is embedded. Using a predetermined vector of the space V* as a key vector, a decryption device performs the pairing operation on the cipher vector generated by the encryption device and the key vector to decrypt the cipher vector and to extract information concerning the transmission information. In particular, the encryption device and the decryption device perform the cryptographic process without using some dimensions of the space V and the space V*.

Abstract: A configuration in which use management for each piece of content, which is divided in units, can be performed strictly and efficiently is provided. CPS units such that content stored on an information recording medium is divided into units are set, a unit key is assigned to each CPS unit, and data forming each unit is encrypted and recorded. For reproduction, a unit key is generated, and data processing using the unit key is performed. As information for generating the unit key, copy/play control information (CCI) that is set so as to correspond to the CPS unit and a content hash that is a hash value based on data forming the CPS unit are used. With this configuration, tampering of CCI and data forming the CPS unit can be prevented, and authorized content use can be realized.

Abstract: A management device 200d comprises: a key share generation unit 251d generating a plurality of key shares by decomposing a decryption key, the decryption key being for decrypting an encrypted application program generated as a result of encryption of the application program; and an output unit 252d outputting each of the key shares to a different one of a plurality of detection modules. The detection modules acquire and store therein the key shares. The protection control module 120d comprises: an acquisition unit 381d acquiring the key shares from the detection modules; a reconstruction unit 382d reconstructing the decryption key by composing the key shares; a decryption unit 383d decrypting the encrypted application program with use of the decryption key; and a deletion unit 384d deleting the decryption key, after the decryption by the decryption unit is completed.

Abstract: A content exporting and reproducing method includes i) a content export step of encrypting a decryption key for content, that is used for decrypting the encrypted content, by using an encryption key for decryption key, recording the encrypted decryption key for content in the portable recording medium, and exporting the encrypted content sequentially to the portable recording medium, and ii) a content reproduction step of reading out the encrypted decryption key for content from the portable recording medium, decrypting the encrypted decryption key for content by using a decryption key for decryption key, reading out the encrypted content that has been exported to the portable recording medium, and decrypting the encrypted content that is read out from the portable recording medium, by using the decrypted decryption key for content to reproduce the content, while the encrypted content is exported to the portable recording medium sequentially.

Abstract: In an embodiment, a data transmitting device may be provided. The data transmitting device may include a ciphering method selector configured to select a ciphering method based on a type of data to be transmitted. The data transmitting device may further include a ciphering circuit configured to cipher the data based on the selected ciphering method. The data transmitting device may further include a transmitter configured to transmit the ciphered data to a data receiving device.

Abstract: According to one embodiment, a method for implementing secure key management is provided. The method includes populating a section of information associated with a key, the section being populated with information relating to how the key was created. The method also includes populating the section with information relating to how the key was acquired by a secure module; and binding the section to the key, wherein the key is encrypted.

Abstract: According to one embodiment, a method for implementing computer security is provided. The method includes creating a token and populating a payload section of the token with key material and selecting a wrapping method that specifies how the key material is securely bound to key control information, wherein a structure of the key control information in the token is independent of the wrapping method. The method also includes wrapping the key material and binding key control information to the key material in the token, wherein the key control information includes information relating to usage and management of the key material.

Abstract: Two or more wireless devices can be independently controlled by their respective users, a mixer component, or a leader wireless device to perform audio recording, convert the recorded audio into a standard or proprietary audio stream format, and transmit the audio stream to a server. The real-time clocks of two or more participating wireless devices can be synchronized. A wireless device can insert timestamps into the audio stream to facilitate the mixing operation. Mixing of the two or more audio streams recorded by wireless devices can be performed by a mixer component either in real time (contemporaneously with the recording) or asynchronously with respect to the recording. The mixing can be performed in a fully automated mode, and/or in an operator-assisted mode.

Abstract: A method is provided in one example embodiment that includes monitoring a sound pressure level with an endpoint (e.g., an Internet Protocol (IP) phone), which is configured for communications involving end users; analyzing the sound pressure level to detect a sound anomaly; and communicating the sound anomaly to a sound classification module. The endpoint can be configured to operate in a low-power mode during the monitoring of the sound pressure level. In certain instances, the sound classification module is hosted by the endpoint. In other implementations, the sound classification module is hosted in a cloud network.

Abstract: An annoyance judgment system includes: a biological signal measurement section configured to measure an electroencephalogram signal of a user; a database retaining a plurality of monosyllabic speech sounds such that, for each speech sound, the speech sound and a reference latency of an electroencephalogram negative component corresponding to the speech sound are retained in association; a presented-speech sound determination section configured to deteremine a monosyllabic speech sound to be presented by referring to the database; and an annoyance judgment section configured to judge annoyance of the output speech sound by comparing a peak latency of a negative component of the electroencephalogram signal in a range from 50 ms to 350 ms from a starting point, the a starting point being a point in time at which the determined speech sound is presented, against the reference latency corresponding to the determined speech sound that is retained in the database.

Abstract: An audio warning monitoring device, system and method including an audio detector, one or more audio screens to determine if monitored sound is an alarm, a processor or logic device to potentially analyze sound data and then instruct a transmitter to send a message with the monitoring device identification and signals representing sound detected by the audio detector to a server. The computer server analyzes the message and authenticates the audio detector, looks up user data associated with the detector, and contacts a user from previously stored user data in order to notify of the alert and then relay the audio signals in an audio file. At the user's option, the server may contact a staffed or automated monitoring center. Here a human operator may listen to the signals in the audio file and take appropriate action, such as calling the location of the alarm for verification or contacting a professional first responder(s).

Abstract: Systems and methods for adjusting a bias voltage and gain of the microphone to account for variations in a thickness of a gap between a movable membrane and a stationary backplate in a MEMS microphone due to the manufacturing process. The microphone is exposed to acoustic pressures of a first magnitude and a sensitivity of the microphone is evaluated according to a predetermined sensitivity protocol. The bias voltage of the microphone is adjusted when the microphone does not meet the sensitivity protocol. The microphone is then exposed to acoustic waves of a second magnitude that is greater than the first magnitude and a stability of the microphone is evaluated according to a predetermined stability protocol. The bias voltage and the gain of the microphone are adjusted when the microphone does not meet the stability protocol.

Abstract: The present invention in general relates to a voice decibel application and a method for a phone and in particularly relates to the application and the method for a phone to measure the voice decibel during a phone call. The application incorporated into the user's phone is configured to measure the voice decibel during a phone call and send a signal to the user in case the voice decibel exceeds or goes below a preset voice decibel threshold level. The present invention is advantageous because it will help the users to recognize their talking habits and assist them in improving their talking habits.

Abstract: The performance of an echo canceller is assessed using a) a test signal launched from originating test equipment and b) a simulated echo of the test signal launched from terminating test equipment. The launch of the simulated echo signal is timed in such a way that it arrives at the tandem echo canceller(s) at a particular point in time relative to the arrival of the test signal, at the tandem echo canceller(s), when the tandem echo canceller(s) is (are) not able to cancel the simulated echo signal. The latter thus arrives uncanceled at the target echo canceller. The launch of the simulated echo signal is further timed in such a way that it arrives at the target echo canceller at a point in time relative to the arrival of the test signal, at the target echo canceller, when the target echo canceller is able to cancel the simulated echo signal.

Abstract: A beamforming technique for a microphone array is described to attenuate a source of undesired noise that is deemed the most limiting to audio quality in an acoustic environment. Possible sources of undesired noise include echo, background noise (stationary) and other interference signals (non-stationary). The beamforming technique is updated based on long-term evaluations. Once an evaluation occurs and a decision is made, the beamformer adapts with a maximum responsiveness and without intentional delay, and therefore not affecting the beamformer's tracking ability. When fixed beamforming is utilized, one of several fixed beamformers having different attenuation targets are selected to implement noise attenuation. When adaptive beamforming is utilized, the beamformer adapts whenever the selected target is deemed dominant.

Abstract: Embodiments include methods and apparatuses for sensing acoustic waves for a conferencing application. A conferencing apparatus includes a plurality of microphones oriented to cover a corresponding plurality of direction vectors and to develop a corresponding plurality of microphone signals. A processor is operably coupled to the plurality of microphones. The processor is configured to perform a beamforming operation to combine the plurality of microphone signals to a plurality of combined signals that is greater in number than one and less in number than the plurality of microphone signals. The processor is also configured perform an acoustic echo cancelation operation on the plurality of combined signals to generate a plurality of combined echo-canceled signals and select one of the plurality of combined echo-canceled signals for transmission.

Abstract: An audio-signal-processing circuit includes: a noise-detecting unit to detect presence or absence of noise in an audio signal generated based on an output from a tuner configured to receive a broadcast signal; a low-pass filter, having predetermined phase characteristics, to pass the audio signal having a band of frequencies lower than a predetermined frequency; a high-pass filter, having the predetermined phase characteristics, to pass the audio signal having a band of frequencies higher than the predetermined frequency; first- and second-output units to multiply the signals outputted from the low-pass and high-pass filters by first and second coefficients and output the multiplied signals, respectively; an adding unit to add the signals respectively outputted from the first and the second output units; and a coefficient control unit to, when the noise-detecting unit has detected the presence of noise, decrease the second coefficient below the first coefficient.

Abstract: There is provided a headphone device including a first housing and a second housing; a headband connected to the first and second housings; a first headphone unit and a second headphone unit disposed in the first and second housings, respectively; a first microphone and a second microphone arranged in the vicinity of the first and second headphone units; and a signal processing unit disposed in the first housing for processing input audio signals from the outside and microphone signals detected by the first and second microphones, and generating first and second noise-canceled audio signals to be supplied to the first and second headphone units.

Abstract: An electronic device for controlling noise is described. The electronic device includes a force sensor for detecting a force on the electronic device. The electronic device also includes noise control circuitry for generating a noise control signal based on a noise signal and the force. Another electronic device for controlling noise is also described. The electronic device includes a speaker that outputs a runtime ultrasound signal, an error microphone that receives a runtime ultrasound channel signal and noise control circuitry coupled to the speaker and to the error microphone. The noise control circuitry determines at least one calibration parameter and determines a runtime channel response based on the runtime ultrasound channel signal. The noise control circuitry also determines a runtime placement based on the runtime channel response and the at least one calibration parameter and determines at least one runtime active noise control parameter based on the runtime placement.

Abstract: A connector for receiving a cylindrical plug includes a body defining a plug aperture and a cavity for receiving the cylindrical plug. A plurality of electrical contacts in communication with the cavity make electrical connections with the cylindrical plug and retain the cylindrical plug. A microphone is coupled to the body such that the plug aperture and the cavity provide an acoustic path to the microphone. The microphone may be at an end of the connector opposite the plug aperture or on a side of the connector adjacent the plug aperture. The connector allows a microphone to be added to a device, such as a mobile telephone, without the need for an additional external aperture. The microphone in the connector may operate with a second microphone and processing electronics in the device to provide audio processing functions such as noise cancellation or audio beamforming.

Abstract: An audio headset with bio-signal sensors is provided. In some embodiments, an audio headset that includes one or more electroencephalography (EEG) sensors is provided.

Abstract: A system comprising a wireless earphone set and a client computing device, both of which are communicable with a host server via the Internet. The host server stores configuration parameters for the wireless earphone set that are transmittable to the wireless earphone set via the Internet, and that are configurable by an authenticated user of the client computing device via the host server to generate updated configuration parameters for the wireless earphone set. The updated configuration parameters for the wireless earphone set are transmitted by the host server to the wireless earphone set via the Internet.

Abstract: Systems and methods for controlling both an existing entertainment device and an aftermarket entertainment device in a vehicle with a user interface are provided. A method comprises adapting the user interface to selectively send control signals to the aftermarket entertainment device, sending control signals from the user interface to the existing entertainment device in response to user manipulation of the user interface, detecting whether the user has selected the aftermarket entertainment device; and sending control signals from the user interface to the aftermarket entertainment device in response to user selection of the aftermarket entertainment device and user manipulation of the user interface. The user interface may store output signals corresponding to the aftermarket entertainment device. Subsequent activation of the user interface may recall an output signal corresponding to the aftermarket entertainment device.

Abstract: To provide a speaker device that can form a substantially uniform sound field over a range from a long distance to a short distance without significantly increasing a calculation load. A plurality of FIR filters 21 to 2n perform delay control of respective speakers so as to increase a delay time difference between adjacent speakers 51 to 5n in a line array speaker 5 toward one end of the line array speaker 5, and thereby over a wide range from a long distance to a short distance, a sound filed 12 is formed. Also, by adding a common shift delay time Dc to filter coefficients for the FIR filters 21 to 2n, the delay time difference between adjacent speakers 51 to 5n is made less than a sampling period of a sound signal to form a wide and uniform sound field 12.

Abstract: The disclosure provides an electronic device and a method for adjusting volume adapted for the device. The electronic device defines at least two work modes. The method includes steps: determining whether one of the at least two work modes is selected; detecting a pulse frequency of a user in real time when one of the at least two work modes is selected; determining whether the pulse frequency is less than a reference value; and if the pulse frequency is less than the reference value, adjusting a volume according the selected work mode.

Abstract: An audio communication system is provided for generating an audio output for users in a region, the system comprising a plurality of portable communications devices for use by a respective plurality of users, each communications device comprising a microphone for inputting an audio signal by a user, a loudspeaker for generating an audio output for said user, said loudspeaker being adapted to output said audio output in at least a first frequency band, and a wireless interface for wireless communication to transmit said audio signals from said microphone and receive audio signals derived from an audio source for generating said audio output by said loudspeaker; and at least one low frequency loudspeaker device having an interface for receiving audio signals derived from a microphone of another communications device, and a low frequency loudspeaker adapted to output a low frequency audio output in said region only in a second frequency band lower than said first frequency band.

Abstract: Provided is a speaker diaphragm or a speaker voice coil bobbin manufactured by a papermaking method and including metal hydroxide by at least an amount of 30 wt % or greater. With this, it is possible to improve rigidity and achieve favorable acoustic quality by an effect of mixing metal hydroxide. Moreover, it is possible to provide a paper-made diaphragm or a voice coil bobbin with flame retardancy without increasing weight or cost.

Abstract: A sound production component that includes a vibration element, a support member, and a connection part. The vibration element includes a polygonal vibration plate and an electromechanical conversion element attached to the vibration plate. The connection part connects an entire periphery of the vibration plate to the support member. At least a portion of the connection part has a curved shape. The length of a portion of the connection part which connects each corner of the vibration plate and the support member is shorter than the length of a portion of the connection part which connects a central portion of each side edge of the vibration plate and the support member.

Abstract: A hearing aid (62, 72, 82, 92, 102, 112) adapted for alleviating tinnitus of a user (75), comprises an audio input means (83), a signal processing unit (88, 98, 108, 118) and an output transducer (80). The hearing aid further comprises a band stop filter (87) arranged to match a tinnitus of the user and switching means (86, 116) and switch control means (84, 114) for controlling the switching of said band stop filter (87) into and out of the signal path between the audio input means (83) and the output transducer (80), in response to a predefined trigger event. The invention further provides a method of adjusting a hearing aid.

Abstract: An earpiece (100) and a method (640) for acoustic management of multiple microphones is provided. The method can include capturing an ambient acoustic signal from an Ambient Sound Microphone (ASM) to produce an electronic ambient signal, capturing in an ear canal an internal sound from an Ear Canal Microphone (ECM) to produce an electronic internal signal, measuring a background noise signal, and mixing the electronic ambient signal with the electronic internal signal in a ratio dependent on the background noise signal to produce a mixed signal. The mixing can adjust an internal gain of the electronic internal signal and an external gain of the electronic ambient signal based on the background noise characteristics. The mixing can account for an acoustic attenuation level and an audio content level of the earpiece.

Abstract: A hearing aid comprises a power supply, a microphone and a base part to be arranged outside the ear canal of a hearing aid user, and an ear plug part to be arranged in the ear canal of a hearing aid user. The ear plug part comprises a receiver for transmitting sound into the ear canal, and a transducer generating a signal to be transferred to said base part. A databus connects the ear plug part with the base part. The databus comprises two electrical wires adapted for transmission of signal to the receiver, and for transmission of signal from the transducer to the base part. The databus provides power supply either from the base part to the ear plug part, or, from the ear plug part to the base part. The invention further provides a method for communicating between two parts of a hearing aid.

Abstract: Embodiments provide improved bone conduction calibration. In one embodiment a bone conduction vibrator coupling member is provided with opposing surfaces configured to contact the housing of an earphone coupler about the opening of the housing and support the housing of a bone conduction vibrator above the opening of the earphone coupler housing. The coupling member has an inner wall defining an aperture extending through the coupling member that is configured to receive the vibrating member of the bone conduction vibrator and provide the vibrating member with access to the cavity of the earphone coupler. A calibration system includes a bone conduction vibrator coupling member positioned upon an earphone coupler. Methods for calibrating a bone conduction vibrator using such a calibration system are also provided.

Abstract: A docking station includes a main body, a supporting arm projecting from the main body, and a rotating member rotatably coupled to the supporting arm and retaining the electronic device. The rotating member is capable of rotating from a first position to a second position different from the first position, when the rotating member rotates to the first position, the electronic device is supported in a first orientation, and when the rotating member rotates to the second position, the electronic device is supported in a second orientation.

Abstract: A flat speaker device includes a first housing assembly and a speaker assembly. The method of fabricating the flat speaker device has steps of combining a first upper layer with a first frame; combining a first flat speaker with the first upper layer; combining a first lower layer with the first frame and the first flat speaker; placing a lower cover layer under the first lower layer; placing a upper cover layer over the first upper layer; combining the upper cover layer, the first upper layer, the first frame, the first flat speaker, the first lower layer and the lower cover layer; forming a pocket on the upper cover layer; and mounting a printed circuit board in the pocket.