Patents Assigned to EM Microelectronic
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Publication number: 20230409863Abstract: An RFID assembly and an assembly method thereof are provided. The assembly method for an RFID assembly comprises a step of providing at least one integrated circuit which includes at least one IC contact and at least one dielectric layer, and a deposition of at least one electrical contact and of at least one re-passivation layer. The at least one electrical contact is deposited on at least one first portion and the at least one re-passivation layer is deposited on at least one second portion, which is distinct of the at least one first portion.Type: ApplicationFiled: November 1, 2021Publication date: December 21, 2023Applicant: EM Microelectronic-Marin SAInventors: Paul MULLER, Christophe ENTRINGER, Pierre MULLER, Thomas COULOT, Arthur Hugh MACDOUGALL
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Patent number: 11843381Abstract: According to an aspect of the disclosure a ring-oscillator control circuit includes a voltage reference, a ring oscillator, a power supply and a supply controller. The supply controller may be configured to select the power supply among an energy storage and an energy source such as to supply the ring oscillator in function of the voltage reference.Type: GrantFiled: December 21, 2022Date of Patent: December 12, 2023Assignee: EM Microelectronic-Marin SAInventors: Athos Canclini, Mario Dellea, Can Baltaci, Clement Cheung
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Publication number: 20230384363Abstract: A test logic method (500) for an Integrated Circuit Device (100) including a main Integrated Circuit device (200) and an auxiliary Integrated Circuit device (300) having an auxiliary logical internal state (340). The method (500) includes a request (610), wherein a main configuration register (210) requests (610) testing (740) of an auxiliary logic circuit (330) via an auxiliary test logic circuit (350), testing (740), wherein the auxiliary test logic circuit (350) tests (740) the auxiliary logic circuit (330), displaying (750), wherein the auxiliary logic circuit (330) displays (750) the auxiliary logical internal state (340), and a reading (670), wherein the main configuration register (210) reads (670) the auxiliary logical internal state (340).Type: ApplicationFiled: December 2, 2021Publication date: November 30, 2023Applicant: EM Microelectronic-Marin S.A.Inventor: Ovidiu SIMA
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Patent number: 11808729Abstract: A sensor interface circuit (5) for an amperometric electrochemical sensor (3). The circuit includes: a current-to-voltage converter (9, Rf) connected to a first terminal (WRK) of the sensor (3) for converting an electric current through the sensor (3) to a voltage at an output terminal (10) of the current-to-voltage converter (9, Rf); a first amplifier (7) connected between a second terminal (REF) and a third terminal (CNTR) of the sensor (3) for maintaining a substantially fixed voltage difference between the first and second terminals (WRK, REF) of the sensor (3); a power supply (11) for powering the voltage converter (9, Rf) and for powering a first portion (31) of the first amplifier (7); and a negative voltage converter (17) configured to power a second portion of the first amplifier (7) through its low-side supply terminal (41), while a high-side supply terminal (39) of the second portion of the first amplifier (7) is configured to be connected to the power supply (11).Type: GrantFiled: April 27, 2020Date of Patent: November 7, 2023Assignee: EM MICROELECTRONIC-MARIN SAInventor: Yonghong Tao
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Patent number: 11811311Abstract: Provided is a gate controller having a primary signal input which is AC coupled to the gate through a capacitor, one or more bias inputs each connected to the gate through a resistor such as to control the DC voltage bias of the gate and therefore the conductivity of the switching element. The bias inputs can be properly connected to internal nodes of the charge pump, or charge pump stages, such that the gate controller is self-biased, without using bias-reference external to the charge pump. The gate controller can be made programmable by using potentiometers in place of the bias resistors. The programmable gate controller stages can be connected to form a programmable gate controlled charge pump.Type: GrantFiled: November 5, 2020Date of Patent: November 7, 2023Assignee: EM Microelectronic-Marin SAInventor: Alessandro Venca
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Publication number: 20230239945Abstract: A Bluetooth communication method implemented between first and second electronic devices, including establishing a communication in a connected mode between the first and second devices including a key exchange operation between these two devices, and establishing a communication in an advertising mode between the first and second devices including a periodic broadcast by the second device to the first device of a message including a payload and a calculated tag from this key.Type: ApplicationFiled: January 18, 2023Publication date: July 27, 2023Applicants: EM Microelectronic-Marin SA, ROBERT BOSCH GMBHInventors: Julian GUILLOUX, Stéphanie SALGADO, Marcel RUECKER, Joachim NAGEL, Yann RAVIER
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Publication number: 20230205332Abstract: A displacement detection circuit (100) configured to implement a displacement detection method (500) for a pointing device (199) having at least one pixel array (190). The displacement detection circuit (100) includes at least one main calculator (110), at least one auxiliary calculator (111, 112, 113) at least one comparator (130) and at least one motion detector (150). The main calculator (110) is configured to calculate at least one main average (210) corresponding to the average of the at least one pixel array (190), which is compared to at least one auxiliary average (211, 212, 213) of the at least one auxiliary calculator (111, 112, 113). According to the result of the comparison, the at least one motion detector (150) indicates at least one direction (250) of displacement of the pointing device (199).Type: ApplicationFiled: December 21, 2022Publication date: June 29, 2023Applicant: EM MICROELECTRONIC-MARIN SAInventors: Jérôme SABY, Lorenzo PIEROBON
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Publication number: 20230206022Abstract: A tamper-evident RFID Tag (100) and a method for manufacturing it. The method (500) may provide (510) at least one protection layer (151) before being cured (520) such as to turn the at least one protection layer (151) into at least one degradable layer (155), and to prevent an assembly or a reassembly of the tamper-evident RFID Tag (100) after any attempt of harvesting of the tamper-evident RFID Tag (100).Type: ApplicationFiled: December 21, 2022Publication date: June 29, 2023Applicant: EM Microelectronic-Marin SAInventors: Pierre MULLER, Yves Dupraz, Alexis Durand, Gordon Limond
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Publication number: 20230208405Abstract: A ring-oscillator control circuit (100) including voltage reference (110), a ring oscillator (120), a power supply (130, 140) and a supply controller (150). The supply controller (150) is configured to select the power supply (130, 140) among an energy storage (130) and an energy source (140) such as to supply the ring oscillator (120) in function of the voltage reference (110).Type: ApplicationFiled: December 21, 2022Publication date: June 29, 2023Applicant: EM Microelectronic-Marin SAInventors: Athos CANCLINI, Mario DELLEA, Can BALTACI, Clement CHEUNG
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Patent number: 11610071Abstract: A method for providing identification and access with respect to a passive radio-frequency tag in a tag population, including, receiving a command for initiating an inventory round or a command for initiating a tag access, the command including, as a parameter, a number including an identifier of a reader, generating a 16-bit value referred to as first or second binding handle, the first or second binding handle including N juxtaposed bits forming the reader identifier, backscattering the first or second binding handle, receiving an ACK command, analyzing the identification parameter of the ACK command, and in a case where the identification parameter includes the reader identifier then ignoring the ACK command, only tags having the selected inventoried flag value for the session number are inventoried, the first initiating command only including the same inventoried flag for every inventoried tags during a session and wherein the at least other inventoried flag value is never used during the session.Type: GrantFiled: September 29, 2021Date of Patent: March 21, 2023Assignee: EM Microelectronic-Marin SAInventor: James Springer
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Patent number: 11579023Abstract: A temperature sensor arrangement (10), including a bandgap voltage generator (12), which is configured to provide an output voltage (Vbg); at least one semiconductor junction (14) for temperature sensing, which is biased by a biasing current flowing through said semiconductor junction (14); and at least one poly-resistor (Rb3) which is connected between the output (23) of the bandgap voltage generator (12) and the semiconductor junction (14), thereby providing said biasing current from the bandgap voltage generator (12) to the semiconductor junction (14).Type: GrantFiled: December 17, 2019Date of Patent: February 14, 2023Assignee: EM MICROELECTRONIC-MARIN S.A.Inventors: Yonghong Tao, Pinchas Novac, Sylvain Grosjean, Alexandre Deschildre, Hugues Blangy
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Publication number: 20220406397Abstract: A power control unit is provided to monitor the output power of a charge pump converter having an input impedance and an input impedance controlling terminal to be plugged to the power control unit and modify the input impedance. The power control unit includes a control circuit sense the output power of the charge pump converter and a control unit to receive the sensed power value, establish a control value, and send the control value to the impedance controlling terminal so as to modify the input impedance.Type: ApplicationFiled: December 16, 2020Publication date: December 22, 2022Applicant: EM Microelectronic-Marin SAInventor: Alessandro VENCA
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Publication number: 20220399798Abstract: An open loop control unit is provided to monitor an output power of a charge pump converter having an input impedance and a first input impedance controlling terminal configured to be plugged to the open loop control unit and modify the input impedance. The open loop control unit includes at least a reference circuit to sense the output power of the charge pump converter and at least one control circuit to receive the difference value, establish a trim value, and send the trim value to the impedance controlling terminal so as to modify the input impedance.Type: ApplicationFiled: December 16, 2020Publication date: December 15, 2022Applicant: EM Microelectronic-Marin SAInventor: Alessandro VENCA
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Publication number: 20220393583Abstract: A power control unit is provided to control the efficiency of a charge pump converter having a first input terminal and a second input terminal, a primary attenuator and a secondary attenuator between a first input terminal and the second input terminal, a first output terminal, a second output terminal, a secondary attenuator controlling terminal and a primary attenuator controlling terminal to be plugged to the power control unit. The primary attenuator controlling terminal and the secondary attenuator controlling terminal are to attenuate or amplify a signal of the first input terminal and the second input terminal.Type: ApplicationFiled: December 16, 2020Publication date: December 8, 2022Applicant: EM Microelectronic-Marin SAInventor: Alessandro VENCA
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Publication number: 20220393582Abstract: Provided is a gate controller having a primary signal input which is AC coupled to the gate through a capacitor, one or more bias inputs each connected to the gate through a resistor such as to control the DC voltage bias of the gate and therefore the conductivity of the switching element. The bias inputs can be properly connected to internal nodes of the charge pump, or charge pump stages, such that the gate controller is self-biased, without using bias-reference external to the charge pump. The gate controller can be made programmable by using potentiometers in place of the bias resistors.Type: ApplicationFiled: November 5, 2020Publication date: December 8, 2022Applicant: EM Microelectronic-Marin SAInventor: Alessandro VENCA
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Publication number: 20220393581Abstract: Provided is a gate controller having a primary signal input which is AC coupled to the gate through a capacitor, one or more bias inputs each connected to the gate through a resistor such as to control the DC voltage bias of the gate and therefore the conductivity o the switching element. The bias inputs can be properly connected to internal nodes of the charge pump, or charge pump stages, such that the gate controller is self-biased, without using bias-reference external to the charge pump. The gate controller is programmable by using potentiometers in place of the bias resistors.Type: ApplicationFiled: November 5, 2020Publication date: December 8, 2022Applicant: EM MICROELECTRONIC-MARIN SAInventor: Alessandro VENCA
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Patent number: 11467225Abstract: A method of determining an absolute angle of a magnetic field includes receiving a first digital measurement value Bx of a first magnetic field component indicating intensity of the magnetic field along a first axis; receiving a second digital measurement value Bz of a second magnetic field component indicating the intensity of the magnetic field along a second axis, orthogonal to the first axis; determining absolute values for the first and second magnetic field components; and determining the angle of the magnetic field with respect to the first or second axis. The angle is determined so that the angle is derivable from the value of arcsin of Bz or of its approximation, when the absolute value of Bz? the absolute value of Bx, and derivable from the value of arccos of Bx or of its approximation, when the absolute value of Bz> the absolute value of Bx.Type: GrantFiled: March 8, 2019Date of Patent: October 11, 2022Assignee: EM Microelectronic-Marin SAInventors: Lorenzo Pierobon, Alexandre Deschildre, Evan Lojewski, Jeremy Schlachter
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Patent number: 11409975Abstract: The present disclosure relates to a NFC communication system, to a method of establishing communication between a wireless communication device and a passive NFC device and to a passive NFC device. The passive NFC device includes an NFC controller, an NFC transceiver coupled with the NFC controller, and at least one persistent flag coupled with the NFC controller, the persistent flag being switchable between an activated state and a deactivated state. The NFC controller is configured to perform a logical operation being divisible into a sequence of at least a first subtask and a second subtask and the NFC controller is configured to ascertain the status of the persistent flag. The NFC controller is further configured to selectively perform at least one of the first subtask and the second subtask on the basis of the status of the persistent flag.Type: GrantFiled: August 22, 2019Date of Patent: August 9, 2022Assignee: EM Microelectronic-Marin SAInventors: James J. Springer, Fabrice Walter, Pierre Muller, Fabien Bourquin
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Patent number: 11398648Abstract: The system (4) is provided for managing at least one sub-assembly (2) of an electric battery. Each sub-assembly comprises a plurality of power storage cells (12). The system includes, for each power storage cell, a circuit (14) for managing the state of the cell and a communication circuit (16), which is configured such that it receives and transmits data relative to the cell. The communication circuit is configured such that it transposes, over a carrier frequency, the data to be received and transmitted, the value of said carrier frequency being greater than or equal to 1 GHz. The management system further includes, for each sub-assembly, a loss cable (18) connecting the power storage cells of said sub-assembly. The loss cable acts as a waveguide and is coupled by capacitive coupling to the communication circuit of each power storage cell.Type: GrantFiled: September 24, 2019Date of Patent: July 26, 2022Assignee: EM Microelectronic-Marin SAInventors: Thierry Scordilis, Jerome Saby, Arnaud Casagrande, Luca De Rosa
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Patent number: 11392449Abstract: The present invention concerns an anti-tearing protection system (1) for a non-volatile memory (3) comprising a first memory block (5) and a second memory block (7), the first and second memory blocks (5, 7) being arranged to store a data set comprising user data and an error detection code obtained based on the user data. The first and second memory blocks (5, 7) can be read in a first read mode for determining logic states of data elements comprised in the data set according to the first read mode. The user data in a respective memory block are considered to be correct according to the first read mode if its error detection code equals a first given value. The first and second memory blocks (5, 7) can further be read in a second read mode for determining the logic states of the data elements comprised in data set according to the second read mode.Type: GrantFiled: October 17, 2019Date of Patent: July 19, 2022Assignee: EM MICROELECTRONIC-MARIN S.A.Inventors: Tomas Novak, Filippo Marinelli