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GM GLOBAL TECHNOLOGY OPERATIONS LLC patent applications on January 2nd, 2025

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Patent Applications by GM GLOBAL TECHNOLOGY OPERATIONS LLC on January 2nd, 2025

GM GLOBAL TECHNOLOGY OPERATIONS LLC: 26 patent applications

GM GLOBAL TECHNOLOGY OPERATIONS LLC has applied for patents in the areas of H01M4/133 (3), H01M10/42 (3), H01M4/134 (2), H01M10/04 (2), B60N2/02 (2) B23K26/21 (1), H01M10/0481 (1), H04N13/351 (1), H04L43/0852 (1), H04L12/40006 (1)

With keywords such as: battery, pressure, electrodes, anode, cell, configured, including, vehicle, power, and device in patent application abstracts.



Patent Applications by GM GLOBAL TECHNOLOGY OPERATIONS LLC

20250001522. WELDING OF STACKS OF EXTERNAL TABS OF ELECTRODES TO TERMINALS WITH TWO STEP LASER PROCESS THAT REDUCES DEFECTS_simplified_abstract_(gm global technology operations llc)

Inventor(s): Teresa Jean RINKER of Royal Oak MI (US) for gm global technology operations llc, Masoud Mohammadpour of Novi MI (US) for gm global technology operations llc, Junjie Ma of Novi MI (US) for gm global technology operations llc, Chih-Chang Chen of Rochester Hills MI (US) for gm global technology operations llc

IPC Code(s): B23K26/21, H01M50/566

CPC Code(s): B23K26/21



Abstract: a method for joining external tabs of a battery cell to a terminal includes providing a battery cell stack including c cathode electrodes, a anode electrodes, and s separators, where c, s and a are integers greater than one. the method includes arranging a stack of external tabs of one of the c cathode electrodes and the a anode electrodes on a terminal; creating a trench in the stack of external tabs of the one of the c cathode electrodes and the a anode electrodes at a weld location during a first laser processing step; and welding the stack of external tabs of the one of the c cathode electrodes and the a anode electrodes at the weld location during a second laser processing step.


20250001649. FILM ROLL POSITIONING DEVICE OF A FORMING OVER PART SYSTEM_simplified_abstract_(gm global technology operations llc)

Inventor(s): Xiang ZHAO of Novi MI (US) for gm global technology operations llc, Hua-tzu FAN of Troy MI (US) for gm global technology operations llc, John Patrick SPICER of Plymouth MI (US) for gm global technology operations llc, Seog-Chan OH of Troy MI (US) for gm global technology operations llc

IPC Code(s): B29C31/00, B29C63/02

CPC Code(s): B29C31/00



Abstract: a forming over part system including a first roll of a first paint film, a second roll of a second paint film, a film adhering device, and a film positioning device. the film adhering device receives the first paint film. the film adhering device is configured to adhere the first paint film to a component of a vehicle. the film positioning device is configured to hold the first and second rolls and based on actuation of an actuator, position the second roll of the second paint film to the film adhering device while the film adhering device is applying the first paint film to the component.


20250001876. VOLTAGE SWITCHING OF AN ELECTRIC MOTOR_simplified_abstract_(gm global technology operations llc)

Inventor(s): Orgun A. Guralp of Northville MI (US) for gm global technology operations llc, Suresh Gopalakrishnan of Troy MI (US) for gm global technology operations llc, Chandra S. Namuduri of Troy MI (US) for gm global technology operations llc

IPC Code(s): B60L15/20, B60L50/51, B60L50/64

CPC Code(s): B60L15/2045



Abstract: a system for controlling a propulsion system of a vehicle includes a switching system including a first switching device connecting a battery system to a first set of windings of an electric motor, and a second switching device connecting the battery system to a second set of windings. the system also includes a controller configured to transition the propulsion system from an initial propulsion mode in which an initial voltage is applied to the electric motor, to a target mode in which a target voltage is applied. the transitioning includes controlling the first switching device to provide current to the first set of windings at the initial voltage to produce torque, and subsequently controlling the second switching device to cause the battery system to apply the target voltage to the second set of windings while the current is provided to the first set of windings at the initial voltage.


20250001902. OPERATIONAL VOLTAGE LIMITATIONS FOR BATTERIES_simplified_abstract_(gm global technology operations llc)

Inventor(s): Yongjie Zhu of Troy MI (US) for gm global technology operations llc, Chunhao J. Lee of Troy MI (US) for gm global technology operations llc, Meng Jiang of Rochester Hills MI (US) for gm global technology operations llc, Chen-fang Chang of Bloomfield HIlls MI (US) for gm global technology operations llc, Sanjeev M. Naik of Troy MI (US) for gm global technology operations llc

IPC Code(s): B60L58/16, B60L50/60, G01R31/367, H01M10/42, H01M10/48

CPC Code(s): B60L58/16



Abstract: aspects of the disclosure include a battery management system that actively limits the operational voltage of a cell to avoid a cell pressure surge in response to an indicator of battery cell degradation. an exemplary battery management system can include a memory, computer readable instructions, and one or more processors that perform operations that include: measuring a first cell pressure of a cell of the battery pack at a reference voltage and measuring a second cell pressure of the cell of the battery pack at the reference voltage. a moving average of cell pressure progression is determined from the first cell pressure and the second cell pressure. responsive to the moving average of cell pressure progression exceeding a cell pressure progression threshold, the cell of the battery pack is identified as a degraded cell and an estimate of remaining cycles for the degraded cell is determined.


20250001906. VEHICLE SYSTEMS AND CABIN RADAR CALIBRATION METHODS_simplified_abstract_(gm global technology operations llc)

Inventor(s): Praneeth Nelapati of Novi MI (US) for gm global technology operations llc, Jeffrey A Clark of Macomb Township MI (US) for gm global technology operations llc, George D Allen of Rochester Hills MI (US) for gm global technology operations llc

IPC Code(s): B60N2/02

CPC Code(s): B60N2/0278



Abstract: vehicles and related systems and methods are provided for calibrating a sensing arrangement within an interior compartment of the vehicle. one method involves initiating operation of an interior component of the vehicle, obtaining one or more signals from the sensing arrangement within the interior compartment of the vehicle, wherein a characteristic of the one or more signals is influenced by the operation of the interior component, determining a measured position of the interior component based at least in part on the characteristic of the one or more signals, obtaining a reference position associated with the interior component, and determining a calibration offset for a reference axis associated with the sensing arrangement based on a relationship between the measured position and the reference position, wherein subsequent operation of the vehicle is influenced by the calibration offset associated with the sensing arrangement.


20250001959. CUSTOMER-CENTRIC PORTABLE PERSONAL SEAT COMFORT PREFERENCES_simplified_abstract_(gm global technology operations llc)

Inventor(s): Nilesh D. Mankame of Ann Arbor MI (US) for gm global technology operations llc, Babak Makkinejad of Troy MI (US) for gm global technology operations llc, Paul E. Krajewski of Troy MI (US) for gm global technology operations llc

IPC Code(s): B60R16/037, B60N2/02

CPC Code(s): B60R16/037



Abstract: a method to operate a customer-centric portable personal vehicle seat position system includes: generating pressure sensor profiles in response to a user seated on a vehicle seat of a first vehicle having a seat base and a seat back; correlating the pressure sensor profiles to individual user tasks; performing data reduction of the pressure sensor profiles after correlation to the individual user tasks; and encoding. multiple seat comfort preference profiles.


20250002071. SINGLE STALK STEERING ASSEMBLY_simplified_abstract_(gm global technology operations llc)

Inventor(s): Kyle Patrick NOLAN of Royal Oak MI (US) for gm global technology operations llc, Victor Wong of Lake Orion MI (US) for gm global technology operations llc, Cameron Tyler Knight of Madison Heights MI (US) for gm global technology operations llc

IPC Code(s): B62D1/22, B60K37/06, B60R21/203

CPC Code(s): B62D1/22



Abstract: a steering control assembly including: a base configured to couple with a steering shaft; a ring mounted to the base and configured to rotate independent of the base; a locking member movable between a locked configuration and an unlocked configuration, in the locked configuration the locking member locks the ring to the base to restrict rotation of the ring independent of the base, and in the unlocked configuration the ring is free to rotate independent of the base; and a handle mounted to the ring and rotatable with the ring independent of the base when the locking member is in the unlocked configuration to adjust a radial position of the handle relative to the base, the handle configured to be grasped by a user to rotate the steering control assembly and the steering shaft when the locking member is in the locked configuration.


20250003462. BORONIZED BRAKE DISC ROTOR_simplified_abstract_(gm global technology operations llc)

Inventor(s): Benjamin Everest Slattery of Tecumseh (CA) for gm global technology operations llc

IPC Code(s): F16D65/12, F16D65/10, F16D69/02

CPC Code(s): F16D65/127



Abstract: a brake rotor, a brake system including a brake rotor, and a method of boronizing a brake rotor, wherein the brake rotor includes a rotor body including a braking surface. the rotor body includes an iron alloy and the braking surface includes a layer of feb phases in the braking surface. the brake system includes the brake rotor and a brake pad engageable with the braking surface. the method includes boronizing the braking surface and forming a feb phases on the braking surface and cooling the rotor body to ambient temperature.


20250004270. HYBRID PROJECTOR SYSTEM WITH SELF TEST_simplified_abstract_(gm global technology operations llc)

Inventor(s): John P. Weiss of Shelby Township MI (US) for gm global technology operations llc, Manoj Sharma of Troy MI (US) for gm global technology operations llc, Joseph F. Szczerba of Grand Blanc MI (US) for gm global technology operations llc, Thomas Seder of Fraser MI (US) for gm global technology operations llc

IPC Code(s): G02B27/01, G03B21/20

CPC Code(s): G02B27/01



Abstract: a projector system for a head up display within a vehicle includes a vehicle vector graphics projector adapted to project a second graphical image onto the inner surface of the windshield of the vehicle, the second graphical image having a greater brightness than the first graphical image and including at least one vehicle tell-tale, and a calibration system adapted to test and calibrate a displayed tell-tale within the second graphical image.


20250004748. METHOD AND SYSTEM TO OPTIMIZE POWER UTILIZATION USING AN ALTERNATIVE POWER CONVERTER WHILE OPERATING VEHICLE SOFTWARE UPDATES_simplified_abstract_(gm global technology operations llc)

Inventor(s): Venkata Naga Siva Vikas Vemuri of Farmington Hills MI (US) for gm global technology operations llc, Chandra S. Namuduri of Troy MI (US) for gm global technology operations llc, Sitaram Emani of Novi MI (US) for gm global technology operations llc, Scott T. Droste of West Bloomfield MI (US) for gm global technology operations llc, John Sergakis of Bloomfield Hills MI (US) for gm global technology operations llc, Pavan Siddartha Aka of South Lyon MI (US) for gm global technology operations llc

IPC Code(s): G06F8/65, G06F1/3296

CPC Code(s): G06F8/65



Abstract: a system for providing updates in a vehicle includes a server device configured for providing an ota campaign update and the vehicle. the vehicle includes a device including software to be upgraded by the over-the-air campaign update and a low voltage battery providing low voltage power. the system further includes a battery providing high voltage power and an accessory power module configured to transform the high voltage power into low voltage power and including programming to estimate an available power of the low voltage battery. the system further includes a controller monitoring the available power, comparing the available power to a threshold, and, when the available power is less than the threshold, commanding the accessory power module to transform the high voltage power to provide the low voltage electrical power. the controller further schedules receiving the update based upon the available power and updates the device with the update.


20250005223. IDENTIFICATION OF PATTERNS FOR FINITE STATE MACHINE MODELED SYSTEMS_simplified_abstract_(gm global technology operations llc)

Inventor(s): Zahy Bnaya of Petach Tikva (IL) for gm global technology operations llc, Daniel Y. Rubin of Holon (IL) for gm global technology operations llc, Asaf Degani of Tel Aviv (IL) for gm global technology operations llc, Yael Shmueli Friedland of Tel Aviv (IL) for gm global technology operations llc, Shani Avnet of Tel Aviv (IL) for gm global technology operations llc

IPC Code(s): G06F30/20, G06F9/448

CPC Code(s): G06F30/20



Abstract: a supportive software-based “toolbox” for recognizing patterns in finite state machine (fsm)-modeled systems. the pattern recognition may include identifying data associated with a design of a finite state machine (fsm)-modeled system from a user device, determining a design analysis model from one more annotated or existing designs, and identifying one or more system patterns within the fsm-modeled system based on searching the fsm-modeled system according to the design analysis model.


20250006899. ANODE VOID SPACE BURNOUT FOR HIGH-CONTENT SILICON CARBON ANODES FOR LITHIUM-ION BATTERIES_simplified_abstract_(gm global technology operations llc)

Inventor(s): Julia Ruth Klein of Columbus OH (US) for gm global technology operations llc

IPC Code(s): H01M4/36, H01M4/04, H01M4/133, H01M4/134, H01M4/38, H01M4/587

CPC Code(s): H01M4/366



Abstract: an anode electrode for use in a lithium-ion battery cell including silicon and a porous carbonaceous anode electrode coating is provided. the anode electrode includes an electrode substrate including a current collector and the porous carbonaceous anode electrode coating. the electrode coating includes a surface material including graphite, wherein the surface material includes a plurality of sphere-shaped depressions, carbon particles, and a plurality of silicon particles affixed to inner walls of the plurality of sphere-shaped depressions. the sphere-shaped depressions are configured for receiving expansion of the plurality of silicon particles when the silicon particles are in a lithiated state.


20250006935. ANODE ELECTRODE WITH ANODE ACTIVE MATERIAL LAYER INCLUDING LITHIUM SILICON OXIDE OR SILICON OXIDE AND STYRENE BUTADIENE RUBBER_simplified_abstract_(gm global technology operations llc)

Inventor(s): Bradley R. FRIEBERG of Farmington Hills MI (US) for gm global technology operations llc, Anita LI of Ann Arbor MI (US) for gm global technology operations llc, Roland J. KOESTNER of Webster NY (US) for gm global technology operations llc, Xiaosong HUANG of Novi MI (US) for gm global technology operations llc, Taylor SYRING of Sterling Heights MI (US) for gm global technology operations llc

IPC Code(s): H01M4/62, H01M4/133, H01M4/134, H01M4/38, H01M4/587, H01M4/02

CPC Code(s): H01M4/622



Abstract: an anode electrode comprises an anode current collector. an anode active material layer comprises anode active material comprising at least one of lithium silicon oxide, silicon oxide, lithium silicon oxide and graphite, and silicon oxide and graphite. the anode active material layer further comprises a binder comprising a mixture of styrene butadiene rubber (sbr), sodium carboxymethyl cellulose (nacmc) and sodium polyacrylic acid (napaa), wherein sbr comprises greater than 60% wt of the binder.


20250006969. IMPACT ENERGY ATTENUATION SYSTEM FOR A FUEL CELL_simplified_abstract_(gm global technology operations llc)

Inventor(s): Yeh-Hung Lai of Oakland MI (US) for gm global technology operations llc, Mehul M. Vora of Troy MI (US) for gm global technology operations llc, Siguang Xu of Rochester Hills MI (US) for gm global technology operations llc, Purushothama Siddappaji of Bengaluru (IN) for gm global technology operations llc

IPC Code(s): H01M8/248, H01M8/0263, H01M8/0271, H01M8/04007

CPC Code(s): H01M8/248



Abstract: a bipolar plate for a fuel cell system includes a rigid plate having a first side defining first passages, a second side defining second passages, a seal bead, and a peripheral edge; and an impact energy attenuation system. the seal bead is arranged proximal to the peripheral edge of the rigid plate, and the impact energy attenuation system is disposed proximal to the peripheral edge. the impact energy attenuation system includes first energy attenuating beads and second energy attenuating beads, wherein each of the first energy attenuating beads has a first compression modulus and a first zero-compression height, and wherein each of the second energy attenuating beads has a second compression modulus and a second zero-compression height. the first compression modulus is greater than the second compression modulus, and the second zero-compression height is greater than the first zero-compression height.


20250006976. ACTIVE PRESSURE CONTROL MECHANISM FOR IMPROVED BATTERY PERFORMANCE_simplified_abstract_(gm global technology operations llc)

Inventor(s): Insu Chang of Troy MI (US) for gm global technology operations llc, Jun-mo Kang of Ann Arbor MI (US) for gm global technology operations llc, Yongjie Zhu of Troy MI (US) for gm global technology operations llc, Chunhao J. Lee of Troy MI (US) for gm global technology operations llc, Chen-fang Chang of Bloomfield Hills MI (US) for gm global technology operations llc

IPC Code(s): H01M10/04, F16C3/06

CPC Code(s): H01M10/0481



Abstract: a vehicle includes a pressure control device for controlling a pressure at a battery of a vehicle and a method of controlling the pressure of the battery. a support plate is disposed at a first side of the battery. a pressure plate disposed at a second side of the battery opposite the first side. the pressure plate movable with respect to the support plate to control the pressure of the battery. a cam disposed at the pressure plate is configured to rotate to move the pressure plate with respect to the support plate. a cam shaft rotates the cam to move the pressure plate. a motor generates a rotation at the cam shaft.


20250006990. ELECTROLYTE ADDITIVES FOR SOLID ELECTROLYTE INTERFACE FORMATION ON POLYTETRAFLUOROETHYLENE-CONTAINING NEGATIVE ELECTRODES AND BATTERIES INCLUDING THE SAME_simplified_abstract_(gm global technology operations llc)

Inventor(s): Dewen KONG of Shanghai (CN) for gm global technology operations llc, Si Chen of Shanghai (CN) for gm global technology operations llc, Ziqi Wei of Guangzhou (CN) for gm global technology operations llc, Lidan Xing of Guangzhou (CN) for gm global technology operations llc, Haijing Liu of Shanghai (CN) for gm global technology operations llc

IPC Code(s): H01M10/0567, C07C311/48, H01M4/04, H01M4/133, H01M4/62, H01M10/42

CPC Code(s): H01M10/0567



Abstract: a battery that cycles lithium ions includes a negative electrode and an ionically conductive electrolyte. the negative electrode includes electroactive negative electrode particles embedded in a polytetrafluoroethylene matrix. the electrolyte includes an organic solvent, an inorganic lithium salt, and a functional additive consisting of a chemical compound including a bis(trifluoromethanesulfonimide group and a substituted phenyl group.


20250007019. VEHICULAR BATTERY MANAGEMENT SYSTEM FOR PRESSURE DETERMINATION OF LITHIUM-BASED BATTERIES_simplified_abstract_(gm global technology operations llc)

Inventor(s): Insu Chang of Troy MI (US) for gm global technology operations llc, Jun-mo Kang of Ann Arbor MI (US) for gm global technology operations llc

IPC Code(s): H01M10/48, B60L3/00, H01M10/04, H01M10/42

CPC Code(s): H01M10/48



Abstract: some embodiments disclosed herein are directed to vehicular battery management systems for determining the pressure of lithium-based batteries. some embodiments may include generating a pressure measurement for a lithium-based battery based on a normalized pressure and an initial pressure value associated with the lithium-based battery, and adjusting or maintaining a compression level applied to the lithium-based battery based on the generated pressure measurement. other embodiments may be disclosed or claimed.


20250007111. CORRUGATED FOIL TABS FOR BATTERY CELLS_simplified_abstract_(gm global technology operations llc)

Inventor(s): Feng Feng of Troy MI (US) for gm global technology operations llc, Sam T. Liu of Northville MI (US) for gm global technology operations llc, Teresa Jean Rinker of Royal Oak MI (US) for gm global technology operations llc, Wayne Cai of Troy MI (US) for gm global technology operations llc, Mansu Park of Rochester Hills MI (US) for gm global technology operations llc

IPC Code(s): H01M50/533, B60L50/64, H01M50/534

CPC Code(s): H01M50/533



Abstract: some embodiments disclosed herein are directed to battery cells with corrugated foil tabs. some embodiments may include a battery cell comprising a cathode, an anode and a corrugated foil tab coupled to the cathode or the anode, wherein the corrugated foil tab has a length in a first plane, includes alternating peaks and troughs in a second plane along the length of the corrugated foil tab, and has a width in a third plane, and wherein the first plane, second plane, and third plane are orthogonal to each other. other embodiments may be disclosed or claimed.


20250007119. LASER WELDED INTERNAL TERMINALS FOR BATTERY CELLS_simplified_abstract_(gm global technology operations llc)

Inventor(s): Teresa Jean RINKER of Royal Oak MI (US) for gm global technology operations llc, Masoud MOHAMMADPOUR of Novi MI (US) for gm global technology operations llc, Junjie MA of Novi MI (US) for gm global technology operations llc, Blair E. CARLSON of Ann Arbor MI (US) for gm global technology operations llc, Jennifer Therese BRACEY of Holly MI (US) for gm global technology operations llc

IPC Code(s): H01M50/536, H01M50/533, H01M50/54

CPC Code(s): H01M50/536



Abstract: a battery cell includes a stack including c cathode electrodes, a anode electrodes, and s separators, where c, a and s are integers greater than one. a first internal terminal includes a first slot. the external tabs of one of the c cathode electrodes and the a anode electrodes are inserted into the first slot. one of edges of the external tabs of one of the c cathode electrodes and the a anode electrodes are laser welded in the first slot, and portions of the external tabs of the one of the c cathode electrodes and the a anode electrodes extend through the first slot, are folded and laser welded to a surface of the first internal terminal.


20250007125. JOINING OF EXTERNAL TABS OF ELECTRODES OF BATTERY CELLS TO TERMINALS USING PULSED LASER_simplified_abstract_(gm global technology operations llc)

Inventor(s): Junjie MA of Novi MI (US) for gm global technology operations llc, Masoud MOHAMMADPOUR of Novi MI (US) for gm global technology operations llc, Teresa Jean RINKER of Royal Oak MI (US) for gm global technology operations llc, Blair E. CARLSON of Ann Arbor MI (US) for gm global technology operations llc, Jennifer Therese BRACEY of Holly MI (US) for gm global technology operations llc

IPC Code(s): H01M50/566, H01M50/553

CPC Code(s): H01M50/566



Abstract: a method for joining external tabs of a battery cell to a terminal includes providing a battery cell stack including c cathode electrodes, a anode electrodes, and s separators, where c, s and a are integers greater than one. the method includes arranging a stack of external tabs of one of the c cathode electrodes and the a anode electrodes on a terminal; and laser welding w weld segments in each of l weld locations on the stack of external tabs of one of the c cathode electrodes and the a anode electrodes to join the external tabs of the one of the c cathode electrodes and the a anode electrodes to the terminal, where w and l are integers greater than one.


20250007183. THREE-DIMENSIONAL ANTENNA ARRAY SYSTEM_simplified_abstract_(gm global technology operations llc)

Inventor(s): Ofer Bar Shalom of Kiryat Ono (IL) for gm global technology operations llc, Ofer Givati of Hertzliya (IL) for gm global technology operations llc, Igal Kotzer of Tel Aviv (IL) for gm global technology operations llc

IPC Code(s): H01Q21/29

CPC Code(s): H01Q21/29



Abstract: a three-dimensional (3d) antenna array system in the form of a phased array antenna having a first antenna array and a second antenna array, a calibration circuit including an external signal generator, and a hinged power transformer is described. the external signal generator is electrically connected to the first antenna array, and the first antenna array is electrically coupled to the second antenna array via the hinged power transformer. the hinged power transformer mechanically joins the first antenna array to the second antenna array in one of a first position and a second position, with the first antenna array being disposed at an angle in relation to the second antenna array when the hinged power transformer is disposed in the first position.


20250007440. CONTROL OF SWITCHING SPEED IN A MULTIPHASE INVERTER_simplified_abstract_(gm global technology operations llc)

Inventor(s): Muhammad Hussain Alvi of Troy MI (US) for gm global technology operations llc, Yilun Luo of Ann Arbor MI (US) for gm global technology operations llc, Brian A Welchko of Oakland Township MI (US) for gm global technology operations llc, Suresh Gopalakrishnan of Troy MI (US) for gm global technology operations llc

IPC Code(s): H02P27/08, B60L15/00, B60L50/51

CPC Code(s): H02P27/085



Abstract: a system includes an inverter configured to output multiphase alternating current (ac) currents to an electric motor, the multiphase ac currents including a first phase current and a second phase current, the inverter including a set of switches for each phase current. the system also includes a switching controller operably connected to each set of switches, the switching controller configured to control a gate driver connected to a switch of the set of switches, the switching controller configured to determine a time difference between a first switching event of a first phase and a second switching event of a second phase during a switching cycle, and control a switching speed of the switch based on the time difference.


20250007748. NODE RE-MAPPING TECHNIQUE FOR A BUS-BASED COMMUNICATION SYSTEM_simplified_abstract_(gm global technology operations llc)

Inventor(s): Michael Potts of Lenox Township MI (US) for gm global technology operations llc, Sudhakaran Maydiga of Troy MI (US) for gm global technology operations llc

IPC Code(s): H04L12/40

CPC Code(s): H04L12/40006



Abstract: a bus-based communication includes a primary node, one or more secondary nodes that are each assigned an original node identifier, and a bus electrically connecting the primary node and the one or more secondary nodes with one another based on a bus-based communication protocol. the bus-based communication protocol defines a predefined number of sequentially numbered available node identifiers, and the original node identifier assigned to each secondary node corresponds to one of the sequentially numbered available node identifiers defined by the bus-based communication protocol of the bus. the primary node implements a re-mapping technique that re-numbers the original node identifiers assigned to the secondary nodes.


20250007804. LATENCY MEASUREMENT SYSTEM AND METHOD_simplified_abstract_(gm global technology operations llc)

Inventor(s): Shane M. Boehner of Fenton MI (US) for gm global technology operations llc, Sudhakaran Maydiga of Troy MI (US) for gm global technology operations llc, Steve DiBella of Troy MI (US) for gm global technology operations llc

IPC Code(s): H04L43/0852

CPC Code(s): H04L43/0852



Abstract: a latency measurement system includes a controller having a first input port and a second input port. the controller is programmed to receive a start trigger signal using the first input port. the controller is further programmed to perform a first action in response to receiving the start trigger signal. the controller is further programmed to receive a stop trigger signal using the second input port. the controller is further programmed to perform a second action in response to receiving the stop trigger signal. the controller is further programmed to determine a latency measurement based at least in part on the first action and the second action.


20250008078. POLARIZATION-BASED OPTICAL ARRANGEMENT WITH VIRTUAL DISPLAYS AND MULTIPLE FIELDS OF VIEW_simplified_abstract_(gm global technology operations llc)

Inventor(s): Tzvi Philipp of Bet Shemesh (IL) for gm global technology operations llc, Manoj Sharma of Troy MI (US) for gm global technology operations llc, Joseph F. Szczerba of Grand Blanc MI (US) for gm global technology operations llc, Thomas A. Seder of Fraser MI (US) for gm global technology operations llc

IPC Code(s): H04N13/351, B60K35/00, G02B5/30, G02B27/28

CPC Code(s): H04N13/351



Abstract: an optical arrangement includes at least one pair of displays, each pair having a first display and a second display configured to generate light in a visible spectral range. for each pair of displays, the optical arrangement includes a first polarizer configured to polarize the light incident from the first display, a second polarizer configured to polarize the light incident from the second display. the optical arrangement also includes first and second polarizing beam splitters for each pair of displays. each polarizing beam splitter is configured to receive the polarized light from the first and second polarizers. each polarizing beam splitter is also configured to reflect one of an s-polarized component and a p-polarized component of the received polarized light into at least one field of view (fov) and transmit the other of the s-polarized component and the p-polarized component of the received polarized light into the subject fov(s).


20250008668. PROTECTIVE ENCLOSURE FOR AN ELECTRONIC DEVICE_simplified_abstract_(gm global technology operations llc)

Inventor(s): Christopher L. Oesterling of Troy MI (US) for gm global technology operations llc, Bernard V. Laurus of Canton MI (US) for gm global technology operations llc, Donald Eng of Markham (CA) for gm global technology operations llc, Jarvis Chau of Markham (CA) for gm global technology operations llc, Michael A. Celotto of Linden MI (US) for gm global technology operations llc

IPC Code(s): H05K5/00, B60R16/023

CPC Code(s): H05K5/0056



Abstract: a protective enclosure for an electronic control unit (ecu) to minimize risk of environmental intrusion includes a base portion, a first housing, a second housing, a first gasket, a vibration attenuating insert, a first electrical connector, a second electrical connector, a third electrical connector, and a tether. the first housing is sealably assembled onto the base portion, and the first housing and the base portion define a first chamber to house the telematics module. the second housing and the base portion define a second chamber. the tether attaches the base portion and the second housing.


GM GLOBAL TECHNOLOGY OPERATIONS LLC patent applications on January 2nd, 2025

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