Patent Assignment
Reel/Frame 037355/0838
Patent Release
Recorded: 2015-12-21
Pages: 22
Assignor
CITIBANK, N.A., AS COLLATERAL AGENT
Executed: 2015-12-07
Assignee
SIGMATEL, INC.
1601 S. MOPAC EXPRESSWAY, SUITE 100, AUSTIN, TEXAS, 78735
Covered Properties
(247)
Switching Amplifier
Patent:
5,077,539 →
Application:
07/633,762 →
Digital Signal Processing for Linearization of Small Input Signals to a Tri-State Power Switch
Patent:
5,617,058 →
Application:
08/556,615 →
Transimpedance Amplifier and Method for Constructing Same
Patent:
5,714,909 →
Application:
08/661,333 →
Data Detection Circuit Having a Pre-Amplifier Circuit
Patent:
5,892,800 →
Application:
08/822,338 →
Method and Apparatus for Transceiving Infrared Signals
Patent:
6,144,473 →
Application:
08/871,041 →
Method and Apparatus for Data Detection with an Enhanced Adaptive Threshold
Patent:
6,163,580 →
Application:
08/871,194 →
Method and Apparatus for a Data Detection Circuit Operating from a Low Voltage Power Source
Patent:
5,933,040 →
Application:
08/871,217 →
Method and Apparatus for Pulse Pattern Modulation
Patent:
6,151,149 →
Application:
09/055,166 →
Method and Apparatus of Pulse Position Demodulation
Patent:
5,977,822 →
Application:
09/055,190 →
Method and Apparatus for Pulse Position Modulation
Patent:
6,212,230 →
Application:
09/071,239 →
Method and Apparatus for Phase Locked Loop Having Reduced Jitter and/or Frequency Biasing
Patent:
6,526,111 →
Application:
09/197,615 →
Data Detection Pre-Amplifier Circuit
Patent:
6,128,354 →
Application:
09/197,653 →
Data Detection Circuit
Patent:
6,055,283 →
Application:
09/197,823 →
Infra-Red Data Processing Circuit
Patent:
6,175,601 →
Application:
09/198,075 →
Method and Apparatus for Digital to Analog Conversion with Reduced Noise
Patent:
6,147,634 →
Application:
09/211,616 →
Method and Apparatus for Recovering Data That Was Transported Utilizing Multiple Data Transport Protocols
Patent:
6,819,677 →
Application:
09/246,653 →
Adjustable Power Control Module and Applications Thereof
Patent:
6,137,279 →
Application:
09/376,501 →
Computer Peripheral Device Incorporating Infrared Transmissions
Patent:
6,857,034 →
Application:
09/549,651 →
Method and Apparatus for Regulating an Output Voltage of a Switch Mode Converter
Patent:
6,204,651 →
Application:
09/551,123 →
Method and apparatus for sample rate conversion and applicants thereof
Patent:
6,362,755 →
Application:
09/551,414 →
Method and Apparatus for Generating a Fast Multiply Accumulator
Patent:
6,535,901 →
Application:
09/558,902 →
High Speed Electrostatic Discharge Protection Circuit
Patent:
6,522,511 →
Application:
09/595,300 →
System for sampling an analog signal and method thereof
Patent:
6,313,770 →
Application:
09/596,152 →
Edge Sensitive Detection Circuit
Patent:
6,753,705 →
Application:
09/626,574 →
Method and Apparatus Sample Rate Conversions in an Analog to Digital Converter
Patent:
6,584,162 →
Application:
09/629,067 →
Method and apparatus for providing power to an integrated circuit
Patent:
6,362,605 →
Application:
09/645,722 →
Distortion Reduction Method and Apparatus for Linearization of Digital Pulse Width Modulation by Efficienct Calculation
Patent:
6,430,220 →
Application:
09/665,029 →
Computer Audio System
Patent:
6,931,139 →
Application:
09/690,215 →
Method and apparatus for reducing power consumption in driver circuits
Patent:
6,329,800 →
Application:
09/690,501 →
Method and Apparatus for Presenting Content Data and Processing Data
Patent:
6,999,584 →
Application:
09/705,580 →
Method and apparatus for controlling power consumption of an integrated circuit
Patent:
6,366,522 →
Application:
09/716,616 →
Method and Apparatus for Enabling a Stand Alone Integrated Circuit
Patent:
6,633,187 →
Application:
09/716,731 →
Method and Apparatus for Providing Integrated Buck or Boost Conversion
Patent:
6,404,172 →
Application:
09/716,895 →
Switch Capacitor Circuit and Applications Thereof
Method and Apparatus for Sample Rate Conversion for Use in an Analog to Digital Converter
Method and Apparatus for Analog to Digital Conversion Utilizing a Moving Sum
Line Driver Having Variable Impedance Termination
Patent:
6,373,277 →
Application:
09/790,282 →
Differential Line Driver Having Adjustable Common Mode Operation
Personal Audio Player with a Removable Multi-Function Module
Apparatus and Method to Synchronize Multimedia Playback Over a Network Using Out-of-Band Signaling
Patent:
7,206,367 →
Application:
09/903,040 →
Autogenerated Play Lists from Search Criteria
Remote-Directed Management of Media Content
Time Division Multiplexed Pwm Amplifier
Patent:
6,552,607 →
Application:
10/054,144 →
Expansion peripheral techniques for portable audio player
Application:
10/066,552 →
Interleaving of Information into Compressed Digital Audio Streams
Method and Apparatus for Regulating Multiple Outputs of a Single Inductor Dc to Dc Converter
Automated Playlist Generation
Texture encoding procedure
Application:
10/346,736 →
Publication:
US 2004/0141654
Programmable Analog Input/Output Integrated Circuit System
Error Concealment and Error Resilience
Post-Filter for Deblocking and Deringing of Video Data
Method and Apparatus for Accurate Digital-to-Analog Conversion
Variable Bandgap Reference and Applications Thereof
Method and Apparatus for Current Limiting of an Output of a Dc-to-Dc Converter
Low Loss Multiple Output Stage for a Dc-to-Dc Converter
Conserving Power of a System on a Chip Using an Alternate Power Source
Conserving Power of a System on a Chip Using Speed Sensing
Host Interface Data Receiver
Battery-Optimized System-on-a-Chip and Applications Thereof
Method for Motion Estimation and Bandwidth Reduction in Memory and Device for Performing the Same
Memory Bus Assignment for Functional Devices in an Audio/Video Signal Processing System
Pop and Click Reduction Using Dac Power Up and Power Down Processing
Overvoltage and Backflow Current Protection for a Battery Charger
Pulse-Skipping Pfm Dc-Dc Converter Using a Voltage Mode Control Loop
Low Threshold Voltage Circuit Employing a High Threshold Voltage Output Stage
Method and Apparatus to Perform Battery Charging Using a Dc-Dc Converter Circuit
Image Processing
On-Chip Digital Thermometer to Sense and Measure Device Temperatures
On-Chip Realtime Clock Module Has Input Buffer Receiving Operational and Timing Parameters and Output Buffer Retrieving the Parameters
System and Method to Establish an Adjustable on-Chip Impedance
System and method for dynamically allocating shared memory within a multiple function device
Application:
10/722,998 →
Publication:
US 2004/0107322
Microphone Bias Circuit
Amplifier Having Mos Capacitor Compensation
Configurable Integrated Circuit for Use in a Multi-Function Handheld Device
Method for Initializing Multifunction Handheld Device by Downloading Second Boot Algorithm from a Coupled Host If Second Boot Algorithm in the Handheld Device Is Not Executable
System and Method to Initialize a Multiple Function Device with a Multi-Part Boot Algorithm
Use of a Resource Identifier to Import a Program from External Memory for an Overlay
Use of Multiple Overlays to Import Programs from External Memory
Use of Nand Flash for Hidden Memory Blocks to Store an Operating System Program
Esd Protection Circuit
Interpolative Interleaving of Video Images
Patent:
7,280,154 →
Application:
10/763,572 →
Reduction of Radio Frequency Interference (Rfi) Produced by Switching Amplifiers
Patent:
7,206,563 →
Application:
10/826,732 →
Flexible memory interface system for independently processing different portions of an instruction
System and Method for Implementing Software Breakpoints
Variable Bandgap Reference
Infrared Adapter with Data Packet Throttle
System and Method of Reading Non-Volatile Computer Memory
Current Threshold Circuit
System, Method and Semiconductor Device for Charging a Secondary Battery
Regulation of a Dc to Dc Converter
System and Method for Testing Memory
Power Optimization of a Mixed-Signal System on an Integrated Circuit
Method and System for Managing Multi-Plane Memory Devices
Method and System for Communicating with Memory Devices Utilizing Selected Timing Parameters from a Timing Table
Successive Approximation Analog-to-Digital Converter with Current Steered Digital-to-Analog Converter
System and Method for Accessing Universal Serial Bus Networks
Method and System of Memory Management
Method and System of Memory Management
Controllable Phase Locked Loop with Output Oscillation Adjustment and Method for Producing an Output Oscillation for Use Therewith
Handheld Audio System
Sample Rate Conversion Module and Applications Thereof
Digital Decoder and Applications Thereof
Method and Apparatus for Digitally Regulating an Output Voltage Using Noise-Shaped Component Selection
Method & Apparatus for Bi-Directional Current Limit in a Dual-Power Source Capable Device
Temperature Sensor Circuit and System
Programmable Sample Rate Analog to Digital Converter and Method for Use Therewith
Controllable Phase Locked Loop via Adjustable Delay and Method for Producing an Output Oscillation for Use Therewith
Anti-pop driver circuit
Application:
11/155,053 →
Publication:
US 2006/0285700
Multi-mode driver circuit
Application:
11/155,459 →
Publication:
US 2006/0285702
Integrated Circuit with Memory-Less Page Table
Method and System for Providing Voltage
System and Method of Using a Protected Non-Volatile Memory
System and Method of Managing Clock Speed in an Electronic Device
System and Method for Configuring Direct Current Converter
System and Method of Routing Audio Signals to Multiple Speakers
System and Method for Scheduling Access to an Analog-to-Digital Converter and a Microprocessor
Patent:
7,071,859 →
Application:
11/171,554 →
Semiconductor Device Including a Unique Identifier and Error Correction Code
System and Method to Receive Data
Patent:
7,116,262 →
Application:
11/171,918 →
System and Method for Communicating with Memory Devices via Plurality of State Machines and a Dma Controller
Overvoltage and Backflow Current Protection for a Battery Charger
A Configurable Integrated Circuit for Use in a Multi-Function Handheld Device
Digital Adaptive Feedforward Harmonic Distortion Compensation for Digitally Controlled Power Stage
Handheld Audio System with Radio Receiver and Method for Use Therewith
Method and Apparatus for Regulating Multiple Outputs of a Single Inductor Dc to Dc Converter
Radio Receiver with Stereo Decoder and Method for Use Therewith
Pilot Tracking Module Operable to Adjust Interpolator Sample Timing Within a Handheld Audio System
Method to attenuate specific signal components within a data signal
Application:
11/233,081 →
Publication:
US 2007/0064844
Method to Adjustably Convert a First Data Signal Having a First Time Domain to a Second Data Signal Having a Second Time Domain
Method and System of Operating Mode Detection
Receiver and Methods for Use Therewith
Controlled Sampling Module and Method for Use Therewith
Patent:
7,106,241 →
Application:
11/237,340 →
System and Method of Audio Detection
System and method of memory block management
Application:
11/240,581 →
Publication:
US 2007/0076478
System and Methods for Accessing Solid-State Memory Devices
System and method for system resource access
Application:
11/241,682 →
Publication:
US 2007/0089023
Method and System for Receiving and Decoding Audio Signals
System and Method of Accessing Non-Volatile Computer Memory
Wireless handset and methods for use therewith
Application:
11/244,468 →
Publication:
US 2007/0117554
Controller for Controlling a Source Current to a Memory Cell, Processing System and Methods for Use Therewith
Memory, Processing System and Methods for Use Therewith
Method for Booting a System on a Chip Integrated Circuit
System and method for accessing data from a memory device
Application:
11/262,903 →
Publication:
US 2007/0100893
Systems and Methods for Direct Memory Access
Equalization setting determination for audio devices
Application:
11/265,047 →
Publication:
US 2007/0098188
Power management for a battery-powered handheld audio device
Patching Rom Code
Programmable Infrared Data Processor
Detecting an Infrared Transceiver Type
Test Set for Testing a Device and Methods for Use Therewith
Audio Output Driver and Methods for Use Therewith
Digital Clock Controller, Radio Receiver, and Methods for Use Therewith
Clock Generator, System on a Chip Integrated Circuit and Methods for Use Therewith
Radio Receiver, System on a Chip Integrated Circuit and Methods for Use Therewith
Radio Receiver, System on a Chip Integrated Circuit and Methods for Use Therewith
Radio Receiver, System on a Chip Integrated Circuit and Methods for Use Therewith
Radio Receiver, System on a Chip Integrated Circuit and Methods for Use Therewith
Multiple Function Handheld Device
Low Noise, Low Distortion Radio Receiver Front-End
Audio Output Driver for Reducing Electromagnetic Interference and Improving Audio Channel Performance
Sample Rate Converter with Selectable Sampling Rate and Timing Reference
Digital Gain Adjustment in a Wireless Receiver
Touch Screen Driver and Methods for Use Therewith
Digital Security System
Non-Volatile Solid-State Memory Controller
Class-D Amplifier with Noise-Immunity Feedback
Integrated Circuit Having Radio Receiver and Methods for Use Therewith
Remote-Directed Management of Media Content
System and Method for Writing Data to and Erasing Data from Non-Volatile Memory
Wireless Handset Having Selective Communication Control and Corresponding Methods
Batteryless noise canceling headphones, audio device and methods for use therewith
Application:
11/344,272 →
Publication:
US 2007/0177741
Digital Microphone Interface, Audio Codec and Methods for Use Therewith
Audio Codec Adapted to Dual Bit-Streams and Methods for Use Therewith
Mass Storage Device, Mass Storage Controller and Methods for Use Therewith
Integrated Circuit, Universal Serial Bus on-the-Go Power Source and Methods for Use Therewith
Integrated Circuit and Processing System with Improved Power Source Monitoring and Methods for Use Therewith
Adjust Switching Rate of a Power Supply to Mitigate Interference
Analog to Digital Signal Converter Having Sampling Circuit with Divided Integrating Capacitance
Patent:
7,245,247 →
Application:
11/355,934 →
Clock Translator and Parallel to Serial Converter
Decimation Filter
Fast Virtual to Physical Memory Mapping
Codec Integrated Circuit, Codec and Methods for Use Therewith
Reduced Adjacent Channel Interference in a Radio Receiver
Sample Rate Converter
Comparative Signal Strength Detection
Adjustable Automatic Gain Control
Audio Amplifier and Methods for Use Therewith
Headphone Driver and Methods for Use Therewith
Full Swing Amplifying Circuit and Applications Thereof
Buffer controller, codec and methods for use therewith
Clock Adjustment for a Handheld Audio System
Digital Audio System on a Chip
Method and Integrated Circuit for Use by a Handheld Multiple Function Device
System and Method for Scheduling Access to an Analog-to-Digital Converter and a Microprocessor
Patent:
7,142,141 →
Application:
11/416,768 →
Non-volatile memory error correction system and method
Application:
11/436,937 →
Publication:
US 2007/0268905
Semiconductor Device and System and Method of Crystal Sharing
Infrared Receiver, Infrared Bridge Device and Methods for Use Therewith
Circuit for use in a multifunction handheld device with wireless host interface
Application:
11/494,781 →
Publication:
US 2007/0055462
Circuit for use in multifunction handheld device having a radio receiver
Application:
11/494,790 →
Publication:
US 2007/0078548
Circuit for use in cellular telephone with video functionality
Application:
11/494,791 →
Publication:
US 2007/0052792
Controlled Sampling Module and Method for Use Therewith
System and Method of Processing Compressed Audio Data
Processing System and Methods for Use Therewith
Processing System, Memory and Methods for Use Therewith
Digital Audio System on a Chip with Configurable Gpios
Integrated Circuit Temperature Sensing Method
Memory, Integrated Circuit and Methods for Adjusting a Sense Amp Enable Signal Used Therewith
Handheld device, integrated circuit and methods for playing sponsor information with the playback of program content
Application:
11/544,501 →
Publication:
US 2008/0097632
System and Method for Scheduling Access to an Analog-to-Digital Converter and a Microprocessor
Interleaving of Information into Compressed Digital Audio Streams
Digital Audio Processing System and Method
Digital Mixer System and Method
Demodulator System and Method
Automatically Disabling Input/Output Signal Processing Based on the Required Multimedia Format
System and Method of Signal Processing
Memory, Processing System and Methods for Use Therewith
Device, system and method for controlling memory operations
Application:
11/701,628 →
Publication:
US 2008/0189479
Switching Amplifier System and Method
Patent:
7,391,346 →
Application:
11/702,269 →
System and Method for Controlling Memory Operations
Method and System of Operating Mode Detection
System and Method to Control One Time Programmable Memory
Wireless Transceiver and Method for Use Therewith
Wireless Handset and Wireless Headset with Wireless Transceiver
Method and circuit for use by a handheld multiple function device
Application:
11/728,679 →
Publication:
US 2007/0179725
Use of Nand Flash for Hidden Memory Blocks to Store an Operating System Program
Controllable Oscillator with Output Oscillation Adjustment and Method for Producing an Output Oscillation for Use Therewith
Programmable Sample Rate Analog to Digital Converter and Method for Use Therewith
Automated Playlist Generation
Soc with Low Power and Performance Modes
System on a Chip with Rtc Power Supply
Digital Pll and Applications Thereof
Gain control module and applications thereof
System on a chip with backlight controller
Application:
11/799,363 →
Publication:
US 2008/0100224
System and Method of Demodulating Audio Signals
System-On-A-Chip for Processing Multimedia Data and Applications Thereof
Clock System and Applications Thereof
Adjustable Dac and Applications Thereof
Multimedia Soc with Advanced Jack Sense Applications
Application:
11/863,662 →
Publication:
US 2009/0086104
Touch Screen Driver for Resolving Plural Contemporaneous Touches and Methods for Use Therewith
Error Correction System and Method
Expansion Peripheral Techniques for Portable Audio Player
Application:
12/022,973 →
Publication:
US 2008/0120436
Integrated Circuit Test Socket Having Elastic Contact Support and Methods for Use Therewith
Automatically Disabling Input/Output Signal Processing Based on the Required Multimedia Format
Audio Signal Processing System and Method
Charging a Secondary Battery
Method for Determining Display Order of Vops in Decoder End or Mpeg Image System and Device for Executing the Same
Audio player apparatus
Patent:
451,900 →
Application:
29/125,073 →
Audio player apparatus
Patent:
451,899 →
Application:
29/131,132 →
Related Assignments
(17)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Oct 29, 2013
From: SIGMATEL, LLC
To: NANJING TRIDUCTOR NETWORK TECHNOLOGY CO., LTD.
Reel/Frame 031498/0965 →
Release of Security Interest
Nov 1, 2013
From: CITIBANK, N.A.
To: SIGMATEL, LLC
Reel/Frame 031527/0023 →
Release of Security Interest
Nov 1, 2013
From: CITIBANK, N.A.
To: SIGMATEL, LLC
Reel/Frame 031527/0144 →
Release of Security Interest
Nov 1, 2013
From: CITIBANK, N.A.
To: SIGMATEL, LLC
Reel/Frame 031526/0843 →
Security Agreement
Nov 12, 2013
From: SIGMATEL, LLC
To: CITIBANK, N.A., AS NOTES COLLATERAL AGENT
Reel/Frame 031626/0218 →
Release of Security Interest
Nov 26, 2013
From: CITIBANK, N.A.
To: SIGMATEL, INC.
Reel/Frame 031681/0354 →
Assignment of Assignor's Interest
Nov 19, 2014
From: SIGMATEL, L.L.C.
To: ZENITH INVESTMENTS, LLC
Reel/Frame 034295/0072 →
Assignment of Assignor's Interest
Jan 7, 2015
From: ZENITH INVESTMENTS, LLC
To: APPLE INC.
Reel/Frame 034749/0791 →
Change of Name
Nov 23, 2015
From: SIGMATEL INC.
To: SIGMATEL, LLC
Reel/Frame 037152/0127 →
Assignment of Assignor's Interest
Dec 9, 2015
From: SIGMATEL LLC
To: NORTH STAR INNOVATIONS INC.
Reel/Frame 037243/0544 →
Patent Release
Dec 21, 2015
From: CITIBANK, N.A., AS COLLATERAL AGENT
To: SIGMATEL, INC.
Reel/Frame 037354/0773 →
Patent Release
Dec 21, 2015
From: CITIBANK, N.A., AS COLLATERAL AGENT
To: SIGMATEL, INC.
Reel/Frame 037354/0734 →
Assignment of Assignor's Interest
Jan 25, 2016
From: SIGMATEL, LLC
To: NORTH STAR INNOVATIONS INC.
Reel/Frame 037583/0428 →
Corrective Assignment to Correct the Assignee Name Previously Recorded at Reel: 037354 Frame: 0773. Assignor(S) Hereby Confirms the Patent Release.
Aug 15, 2016
From: CITIBANK, N.A., AS COLLATERAL AGENT
To: SIGMATEL, LLC
Reel/Frame 039723/0777 →
Assignment of Assignor's Interest
Dec 6, 2016
From: NANJING TRIDUCTOR NETWORK TECHNOLOGY CO., LTD.
To: HISILICON TECHNOLOGIES CO., LTD.
Reel/Frame 040531/0599 →
Merger
Jul 26, 2017
From: SIGMATEL, LLC
To: NXP USA, INC.
Reel/Frame 043328/0351 →
Change of Name
Aug 31, 2017
From: SIGMATEL, INC.
To: SIGMATEL, LLC
Reel/Frame 043735/0306 →