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Cirrus Logic International Semiconductor Ltd patents

Recent patent applications related to Cirrus Logic International Semiconductor Ltd. Cirrus Logic International Semiconductor Ltd is listed as an Agent/Assignee. Note: Cirrus Logic International Semiconductor Ltd may have other listings under different names/spellings. We're not affiliated with Cirrus Logic International Semiconductor Ltd, we're just tracking patents.

ARCHIVE: New 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "C" | Cirrus Logic International Semiconductor Ltd-related inventors




Date Cirrus Logic International Semiconductor Ltd patents (updated weekly) - BOOKMARK this page
11/16/17 new patent  Mems process and device
11/09/17Low-power processor with support for multiple precision modes
11/09/17Constant on time boost converter control
11/09/17Speaker protection from overexcursion
11/09/17Audio enhancement
11/02/17Peak current limiting in inductor-based power converter
11/02/17Control and protection of loudspeakers
11/02/17Audio signals
11/02/17Audio signals
10/26/17Single signal-variant power supply for a plurality of amplifiers
10/26/17Systems and methods for predictive switching in audio amplifiers
10/26/17Synchronous, internal clock edge alignment for integrated circuit testing
10/19/17Mixing of single-bit and multi-bit audio signals for simultaneous output
10/19/17Magntiude compensation technique for processing single-bit wide data
10/19/17Over-sampling digital processing path that emulates nyquist rate (non-oversampling) audio conversion
10/12/17Pinched doped well for a junction field effect transistor (jfet) isolated from the substrate
10/12/17Packaging for mems transducers
10/05/17Signal processing for mems capacitive transducers
10/05/17Charge pump circuit
10/05/17Dc offset compensation
09/28/17Systems and methods for loudspeaker electrical identification with truncated non-causality
09/21/17Systems and methods for adaptive active noise cancellation for multiple-driver personal audio device
09/21/17Speech recognition
09/21/17Prevention of switching discontinuity in a hybrid switched mode amplifier
09/21/17Dual device semiconductor structures with shared drain
09/21/17Generation of voltage reference signals in a hybrid switched mode amplifier
09/21/17Removal of switching discontinuity in a hybrid switched mode amplifier
09/14/17Mems devices and processes
09/07/17Systems and methods for controlling adaptive noise control gain
09/07/17Method and acoustic crosstalk cancellation
08/31/17Integrated mems transducer and circuitry
08/31/17Charge pump circuit
08/31/17Amplifier circuit and methods of operation thereof
08/31/17Clamping audio signal paths
08/31/17Microphone mixing for wind noise reduction
08/31/17Digital microphones
08/31/17Digital microphones
08/24/17Microphone biasing circuitry and method thereof
08/24/17Direct current (dc) and/or alternating current (ac) load detection for audio codec
08/24/17Identification of a load with a search algorithm that controls application of signals to the load and a reference generator
08/24/17Temperature compensation for load identification
08/03/17Integrated mems transducer and circuitry
08/03/17Mems device and process
08/03/17Mems device and process
08/03/17Integrated mems transducers
08/03/17Wireless cellular telephone with audio codec
08/03/17Stress decoupling in mems transducers
07/27/17Systems and methods for reducing audio artifacts from switching between paths of a multi-path signal processing system
07/27/17Noise cancellation system with lower rate emulation
07/27/17Noise cancellation system with lower rate emulation
07/27/17Noise cancellation system with lower rate emulation
07/27/17Dynamic frequency-dependent sidetone generation
07/20/17Switched mode converter with variable common mode voltage buffer
07/20/17Hybrid switched mode amplifier
07/20/17Method and wind noise detection
07/13/17Mems device and process
07/06/17Class d amplifier circuit
06/29/17Phase locked loops
06/29/17Multi-path analog front end and analog-to-digital converter for a signal processing system with low-pass filter between paths
06/22/17Systems and methods for restoring microelectromechanical system transducer operation following plosive event
06/22/17Systems and methods of configuring a filter having at least two frequency response configurations
06/22/17Digital correcting network for microelectromechanical systems microphone
06/22/17Crosstalk mitigation
06/08/17Apparatus and testing a capacitive transducer and/or associated electronic circuitry
06/08/17Systems and methods for implementing hysteresis in a comparator
Patent Packs
06/08/17Detection circuit
06/01/17Accessory detection
05/25/17Systems and methods for preventing distortion due to supply-based modulation index changes in an audio playback system
05/25/17Audio connector and circuitry
05/18/17Current sense amplifier with common mode rejection
05/18/17Multiple input/multiple output switching converter
05/18/17Enabling very large and very small duty cycles in switching converters
05/18/17Current sense amplifier with enhanced common mode input range
05/18/17Prevention of signal clipping due to decrease in amplifier supply voltage
05/18/17Digital microphones
05/11/17Methods and apparatuses for configuring a serial interface
05/11/17Feedback howl management in adaptive noise cancellation system
05/11/17Multi-rate filter system
05/04/17Packaging for mems transducers
04/27/17Adaptive phase-distortionless magnitude response equalization (mre) for beamforming applications
Patent Packs
04/27/17Mems device and process
04/13/17Digital circuit arrangements for ambient noise-reduction
04/13/17Adaptive filter control
04/13/17Temperature monitoring for loudspeakers
03/30/17Adaptive block matrix using pre-whitening for adaptive beam forming
03/30/17Loudspeaker protection circuitry and methods
03/23/17Systems and methods for distributed adaptive noise cancellation
03/16/17Multi-device synchronization of devices
03/16/17Nonlinear acoustic echo cancellation based on transducer impedance
03/16/17Microphone biasing circuitry and method thereof
03/02/17Transfer for control data over half-duplex link
02/23/17Hybrid adaptive noise cancellation system with filtered error microphone signal
02/23/17Feedback adaptive noise cancellation (anc) controller and method having a feedback response partially provided by a fixed-response filter
02/16/17Temperature sensing with feedback digital-analog converter (dac) of delta-sigma modulator
02/16/17Dual processing paths for differential mode and common mode signals for an adaptable analog-to-digital converter (adc) topology
02/16/17Phase shorting switch
02/09/17Event detection for playback management in an audio device
02/09/17Adjusting peak inductor current to limit supply input current
02/09/17Retaining binaural cues when mixing microphone signals
02/02/17Mems device and process
01/19/17Class-d amplifier circuits
01/19/17Digital accessory interface
01/19/17Headset management by microphone terminal characteristic detection
01/05/17Non-linear control of loudspeakers
12/29/16Activating speech process
12/29/16Audio enhancement
12/22/16Loudspeaker protection
12/15/16Systems and methods for reducing artifacts and improving performance of a multi-path analog-to-digital converter
12/15/16Hybrid finite impulse response filter
12/15/16Random telegraph signal identification and measurement
Social Network Patent Pack
12/08/16Data transfer
12/08/16Analogue-to-digital converter
11/24/16Ring frequency divider
11/24/16Synchronous differential signaling protocol
11/17/16Digital accessory interface calibration
11/17/16Amplifier circuit and methods of operation thereof
11/17/16Digital accessory interface
11/10/16Tamper-resistant element for use in speaker recognition
11/10/16High density capacitors formed from thin vertical semiconductor structures such as finfets
11/10/16Amplifiers
Patent Packs
11/03/16Voice command triggered speech enhancement
11/03/16Sense resistor surroundingly positioned near or around and integrated with an output connection
11/03/16Charge pump circuit
10/27/16Analog-to-digital converter (adc) dynamic range enhancement for voice-activated systems
10/20/16Reconfigurable switched mode converter
09/22/16Signal envelope processing
09/15/16Identification of modules on a bus
09/15/16Low power bidirectional bus
09/15/16Transmitting signals between modules
09/01/16Mems process and device
08/25/16Connectors for audio data transfer
07/21/16Amplifier circuit and methods of operation thereof
06/23/16Mems devices and processes
06/16/16Mems device and process
06/02/16Digital accessory interface calibration
05/26/16Clock generator
05/05/16Charge pump circuit and methods of operation thereof
05/05/16Analogue-to-digital converter
03/24/16Mems device and process
03/17/16Noise cancellation
03/03/16Class d amplifier circuit
02/25/16Microphone biasing circuitry and method thereof
02/11/16Digital signal routing circuit
01/28/16Charge pump circuit
11/05/15Low noise amplifier for mems capacitive transducers







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