公开(公告)号：EP4057020A1

公开(公告)日：2022-09-14

申请号：EP21161983.8

申请日：2021-03-11

Applicant: Koninklijke Philips N.V.

Inventor： VAN LIERE, Phil ,  ERDIN, Cumhur ,  OUZOUNOV, Sotir Filipov

IPC: G01R33/36

Abstract: The invention relates to phase-coherent read-out of sensor nodes (3) of a magnetic resonance imaging system (1) with a digital serial communication network (2).
According to the invention, the network (2) comprises
multiple sensor nodes (3) for detecting a radio frequency signal from a patient who is under examination by the magnetic resonance imaging system (1), and
a host node (4) which is connected to the sensor nodes (3) via a network link (5) for merging and processing digital sensor data received from the sensor nodes (3), wherein
the host node (4) comprises a receiver (6) connected to the network link (5) for receiving data over the network link (5), and a transmitter (7) connected to the network link (5) for transmitting data over the network link (5),
the sensor nodes (3) each comprise an analog-to-digital converter (8) for converting the detected radio frequency signal to the digital sensor data, a receiver (9) connected to the network link (5) for receiving data over the network link (5), a transmitter (10) connected to the network link (5) for transmitting data over the network link (5), and a clock and data recovery unit (11) with a clock device which is configured for running on a preset free-running frequency,
the frequency of the data transmission over the network link (5) is set to a fixed frequency relative to the preset free-running frequency of the clock devices, and
the clock and data recovery units (11) are configured for generating a recovered clock signal for controlling the analog-to-digital converter (8) of their sensor node by regulating the frequency of the clock device of their sensor node (3) to lock to the frequency of the data transmission over the network link (5).
In this way, the possibility of phase coherent sensory data acquisition with a magnetic resonance imaging system (1) is provided in a robust and cost-efficient way.

公开(公告)号：EP3776862A1

公开(公告)日：2021-02-17

申请号：EP19711952.2

申请日：2019-03-26

Applicant: Koninklijke Philips N.V.

Inventor： OUZOUNOV, Sotir Filipov ,  TOTEV, Emil Dimitrov

IPC: H03M1/12 ,  G06F13/40 ,  H03M1/50 ,  H03M3/00 ,  H03M1/16 ,  G04F10/04 ,  G04F10/00

公开(公告)号：EP3978943A1

公开(公告)日：2022-04-06

申请号：EP20199493.6

申请日：2020-10-01

Applicant: Koninklijke Philips N.V.

Inventor： SHRESTHA, Rameswor ,  VAN LIERE, Filips ,  OUZOUNOV, Sotir Filipov ,  TOTEV, Emil Dimitrov ,  POL, Ketan Jayant

IPC: G01R33/36 ,  G01R33/341

Abstract: According to the invention, a radio frequency receiver system (1) for an MRI apparatus is provided which comprises a receive coil (2) for being attached to a patient which is to be examined by the MRI apparatus and which in such a state in which it is attached to the patient exhibits a total effective coil impedance which is composed of the coil impedance(5) of the coil itself and the patient impedance (4) due to the patient to who the coil is attached, an amplifier (6) which exhibits the lowest noise impedance and which is connected to the receive coil (2) for amplifying a signal received from the receive coil (2) and outputting an amplified output signal, an analog-to-digital (7) converter which is connected to the amplifier (6) for converting the amplified output signal from the amplifier (6) to a digital signal for further processing, a matching network (8) which is interconnected between the receive coil (2) and the amplifier (6) and which comprises a matching system (10) with an adjustable impedance (16) for matching the total effective coil impedance to the lowest noise impedance , and a noise calculation unit (15) which is connected to the analog-to-digital converter (7) for receiving the digital output signal of the analog-to-digital converter (7) and which is adapted for calculating the noise of the output signal of the analog-to-digital converter (7) and for adjusting the adjustable impedance of the matching network (8) In this way, a possibility is provided for calibrating the matching network for every patient individually before the scanning process.

公开(公告)号：EP3198751A1

公开(公告)日：2017-08-02

申请号：EP15775657.8

申请日：2015-09-23

Applicant: Koninklijke Philips N.V.

Inventor： OUZOUNOV, Sotir Filipov

IPC: H04B13/00 ,  A61B5/00 ,  H04W40/02

Abstract: A body-coupled communication apparatus (100) comprises a coupler arrangement (10) comprising a plurality of couplers (11,12,13) configured to couple signals (S) between the apparatus (100) and a body (200). Signal electronics (20) are configured to process and/or generate the signals depending on an operational mode (OT,OR,OW) of the apparatus. A routing network (40) is configured to provide variable routing of the signals (S) between the signal electronics (20) and the couplers (11,12,13) thereby providing a selection between distinct coupling modes (CT,CR,CW) of the coupler arrangement (10). A mode selector (30) is configured to switch the apparatus (100) between the operational modes (OT,OR,OW) and control the routing network (40) to select between the distinct coupling modes (CT,CR,CW) based on the operational mode (OT,OR,OW) of the apparatus.

Abstract translation: 体耦合通信设备（100）包括耦合器装置（10），耦合器装置（10）包括被配置为耦合装置（100）和主体（200）之间的信号（S）的多个耦合器（11,12,13）。 信号电子器件（20）被配置为根据装置的操作模式（OT，OR，OW）处理和/或生成信号。 路由网络（40）被配置为在信号电子器件（20）和耦合器（11,12,13）之间提供信号（S）的可变路由，从而提供不同耦合模式（CT，CR，CW） 的耦合器装置（10）。 模式选择器（30）被配置为在操作模式（OT，OR，OW）之间切换装置（100）并且基于以下各项来控制路由网络（40）以在不同的耦合模式（CT，CR，CW） 设备的操作模式（OT，OR，OW）。

公开(公告)号：EP3084654A1

公开(公告)日：2016-10-26

申请号：EP14812558.6

申请日：2014-12-17

Applicant: Koninklijke Philips N.V.

Inventor： VISWESWARA, Ashoka Sathanur ,  OUZOUNOV, Sotir Filipov

IPC: G06F19/00

CPC classification number: G06F19/3462 ,  G06F19/00 ,  G08B21/0446 ,  G08B25/12 ,  G16H10/60

Abstract: A logging system (200) and a method of registering data for enabling monitoring of intake of a product by a user according to an intake plan are provided. The logging system (200) comprises a dispensing device (220) for dispensing the product to the user who operates the dispensing device by manual interaction and a logging device (240). The dispensing device has identification data (ID) which identifies the device itself or identifies the product dispensed by the device. The dispensing device and the logging device are able to communicate via body coupled communication. When the dispensing device and the logging device are both in the close vicinity of the body of the user (110) who carries the logging device during said manual interaction, the identification data is transmitted via body coupled communication to the logging device which subsequently stores the received data in a data storage.

Abstract translation: 本发明提供一种记录系统（200），并注册以供用户在gemäß进计划使得产品的进气的监测到的数据的方法。 记录系统（200）包括用于分配产品到谁操作以通过手动交互和一个记录设备（240）的分配装置的用户的分配装置（220）。 分配装置具有标识数据（ID）识别设备本身或标识由该装置分配的产品。 所述分配装置和所述记录设备是能够经由身体耦合的通信进行通信。 当分配装置和所述记录设备都在所述用户的身体的紧密附近（110）谁携带所述手动交互期间的测井装置，该识别数据是反经由身体耦合到记录设备，其随后存储该通信mitted 在数据存储接收的数据。

公开(公告)号：EP4459307A1

公开(公告)日：2024-11-06

申请号：EP23171132.6

申请日：2023-05-02

Applicant: Koninklijke Philips N.V.

Inventor： VAN HELVOORT, Mark ,  OUZOUNOV, Sotir Filipov

IPC: G01R33/28 ,  G01R33/385 ,  G06N3/02 ,  G10K11/175 ,  G10K11/178

Abstract: The invention provides for a medical system comprising a magnetic resonance imaging communication system. The magnetic resonance imaging communication system comprises a subject microphone configured for acquiring measured audio data from a subject. The magnetic resonance imaging communication system is configured to acquire the measured audio data as a continuous data stream during acquisition of k-space data by a magnetic resonance imaging system. The magnetic resonance imaging communication system further comprises at least one neural network processing module. The at least one neural network processing module is configured to output at least one audio signal in response to receiving the measured audio data as input. The at least one audio signal comprises a subject speech audio signal. The at least one neural network processing module is configured to repeatedly provide the at least one audio signal in response to receiving the continuous data stream.

公开(公告)号：EP3985878A1

公开(公告)日：2022-04-20

申请号：EP20201432.0

申请日：2020-10-13

Applicant: Koninklijke Philips N.V.

Inventor： VAN LIERE, Filips ,  OUZOUNOV, Sotir Filipov

IPC: H03M3/00

Abstract: For a radio frequency (RF) receiver system (1) for providing magnetic resonance (MR) information from an examination space of a MR imaging system, a solution for increasing the dynamic range of the radio frequency (RF) receiver system (1) for a better imaging performance shall be created. A sigma delta ADC of the RF receiver system operates in single-bit mode with an automatic gain gontrol (AGC) circuit used to control the DAC feedback strength thereby extending the dynamic range of the receiver to match the MRI signal. The present invention also refers to a magnetic resonance (MR) imaging system, a method A method for extending the dynamic range of a radio frequency (RF) receiver system, a software package for a magnetic resonance (MR) imaging system, a software package for upgrading a magnetic resonance (MR) imaging system and a computer program product.

公开(公告)号：EP3201785B1

公开(公告)日：2019-11-20

申请号：EP15766110.9

申请日：2015-09-15

Applicant: Koninklijke Philips N.V.

Inventor： OUZOUNOV, Sotir Filipov

IPC: H04B1/3827 ,  H04B13/00 ,  G06F13/40

公开(公告)号：EP3149872B1

公开(公告)日：2018-03-28

申请号：EP15719253.5

申请日：2015-05-05

Applicant: Koninklijke Philips N.V.

Inventor： OUZOUNOV, Sotir Filipov

IPC: H04B13/00 ,  H04B5/00

CPC classification number: H04B13/005 ,  H04B5/0031 ,  H04L67/12

Abstract: A body-coupled communication device (201) adapted to receive signals via a body transmission channel (160), the first device comprising couplers (102) arranged to receive a body-coupled signal, a synchronization-indicator (272) to storing a level of synchronization between the first device and a second device, and a band-pass filter (250) arranged to filter the received body-coupled signal depending on the synchronization level, the band-pass filter being arranged to allow passage of frequencies in a frequency-interval around a tunable filter frequency, wherein the frequency-interval is narrow if the synchronization-level is high and wherein the frequency-interval is broad if the synchronization-level is low.

公开(公告)号：EP2982061B1

公开(公告)日：2016-11-02

申请号：EP14714716.9

申请日：2014-04-03

Applicant: Koninklijke Philips N.V.

Inventor： VISWESWARA, Ashoka Sathanur ,  ABBO, Anteneh Alemu ,  OUZOUNOV, Sotir Filipov ,  LINNARTZ, Johan-Paul Marie Gerard ,  VAN LANGEVELDE, Ronald

IPC: H04B13/00 ,  G06F1/32

CPC classification number: H04W4/80 ,  G06F1/325 ,  H04B13/005 ,  H04W52/0225 ,  Y02D70/00 ,  Y02D70/166 ,  Y02D70/26

Abstract: A receiver module (101), transceiver module for body coupled communication devices (100) and a method of waking-up a body coupled receiver of a body coupled communication device (100) are provided. The receiver module (101) of the body coupled communication device (100) comprises couplers (102) for receiving signals via a body transmission channel (160) which follows a body of a user (150). A wake-up receiver (108) and a main receiver (106) of the receiver module (101) are coupled to the couplers (102). The main receiver (106) may operate in a sleep mode and in an operational mode. The wake-up receiver (108) generates a wake-up signal (107) when signals received via the body transmission channel (160) in a predefined spectral range exceed an energy threshold level. The wake-up signal (107) is provided to a circuitry of the body coupled communication device (100) to directly or indirectly configuring the main receiver (106) in the operational mode.