公开(公告)号：EP4202375B1

公开(公告)日：2024-07-24

申请号：EP22214617.7

申请日：2022-12-19

IPC: G01D21/00 ,  G01J1/44 ,  G01T1/17 ,  G01D5/248

CPC classification number: G01D21/00 ,  G01D5/248 ,  G01J1/44 ,  G01T1/17 ,  H03M1/60

公开(公告)号：EP3402077A1

公开(公告)日：2018-11-14

申请号：EP17169897.0

申请日：2017-05-08

Applicant: Melexis Technologies NV

Inventor： VERGAUWEN, Johan

IPC: H03M1/06 ,  H03M1/60 ,  H03M1/10

CPC classification number: G01D18/00 ,  H03L7/0802 ,  H03L7/093 ,  H03L7/099 ,  H03M1/0604 ,  H03M1/1014 ,  H03M1/60

Abstract: The present invention relates to an oscillator-based sensor interface circuit comprising
- at least two oscillators (21,22), at least one of which is arranged for receiving an electrical signal representative of an electrical quantity, said electrical quantity being a converted physical quantity (100),
- phase detection means (3) arranged to compare output signals of said at least two oscillators and for outputting a digital phase detection output signal in accordance with the outcome of said comparing, said phase detector output signal also being an output signal of said oscillator-based sensor interface circuit,
- a feedback element (4) arranged for converting a representation of said digital phase detection output signal into a feedback signal used directly or indirectly to maintain a given relation between oscillator frequencies of said at least two oscillators,
- means for detecting an error in said given relation between oscillator frequencies of said at least two oscillators based on said digital phase detection output signal,
- at least one tuning element (7) arranged for tuning at least one characteristic of the oscillator-based sensor interface circuit causing a change in oscillator frequency of at least one of said oscillators to reduce said detected error.

公开(公告)号：EP3198726A1

公开(公告)日：2017-08-02

申请号：EP15767518.2

申请日：2015-09-25

Applicant: Continental Teves AG & Co. OHG

Inventor： ACKER, Heinrich

IPC: H03M1/20

CPC classification number: H03M1/0626 ,  H03M1/002 ,  H03M1/0614 ,  H03M1/1009 ,  H03M1/124 ,  H03M1/201 ,  H03M1/60

Abstract: The invention relates to a device for digitizing an analogue signal, wherein a distortion signal outlet of a distortion signal generator is only coupled to an analogue digital converter by means of passive components.

Abstract translation: 本发明涉及一种用于数字化模拟信号的装置，其中失真信号发生器的失真信号输出端仅通过无源部件耦合到模数转换器。

公开(公告)号：EP2958236A1

公开(公告)日：2015-12-23

申请号：EP15305905.0

申请日：2015-06-12

Applicant: The Trustees of Columbia University in the City of New York ,  COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES

Inventor： PATIL, Sharvil Pradeep ,  TSIVIDIS, Yannis ,  MORCHE, Dominique ,  RATIU, Alin

IPC: H03M1/12 ,  H03M1/60

CPC classification number: H03M1/12 ,  H03K5/1534 ,  H03K5/24 ,  H03M1/125 ,  H03M1/1265 ,  H03M1/60

Abstract: A programmable, quantization error spectral shaping, alias-free asynchronous analog-to-digital converter (ADC) is provided. The ADC can be used for clock-less, continuous-time digital signal processing in receivers with modest Signal to Noise-plus-Distortion Ratio (SNDR) requirements and a tight power budget.

Abstract translation: 可编程，量化误差频谱整形，无混叠的异步模拟数字转换器（ADC）被提供。 ADC可用于时钟少，连续时间的数字信号处理中的接收器与适度的信号与噪声加失真比（SNDR）的要求和功率预算紧张。

公开(公告)号：EP2783466A1

公开(公告)日：2014-10-01

申请号：EP12784280.5

申请日：2012-11-14

Applicant: Commissariat à l'Énergie Atomique et aux Énergies Alternatives ,  Trixell

Inventor： MORO, Jean-Luc

IPC: H03M1/18 ,  H03M1/60

CPC classification number: H03M1/34 ,  G01J1/0238 ,  G01J1/18 ,  H03M1/18 ,  H03M1/60

Abstract: The invention belongs to the field of imaging devices comprising: a detector (11) that generates electric charges in response to incident photon radiation, and an analog-digital conversion circuit (12) forming means for reading the quantity of electric charges generated. The analog-to-digital conversion circuit (12) comprises: a comparator (122) which can switch depending on the comparison between a potential (Va) on an integration node (A) and a pre-determined threshold potential (Vthreshold); a counter (123) that is incremented with each switch of the comparator; a counter-charge injection circuit (124) which injects a quantity Qc of counter-charges at the integration node (A) with each switch of the comparator; and control means (125) which determine the quantity Qc of counter-charges injected. The analog-to-digital conversion circuit (12) is characterised in that the control means (125) determine the quantity Qc of counter-charges injected as a function of a value of the counter (123).

Abstract translation: 在成像装置包括：检测器，响应于入射光子辐射产生电荷的领域中，和模拟 - 数字形成装置，用于读出的电荷量转换电路在生成的模拟 - 数字转换电路包括：一个 比较器，其可以切换取决于电位之间上在积分节点和预定阈值电位的比较，一个计数器与比较器的每个开关递增，一个反电荷注入电路注入的反电荷的量Qc与积分节点上 比较器的每个开关，和控制装置，其确定性矿的反电荷的量Qc注入。 模拟 - 数字转换电路中那样控制为特征的指确定性矿的注入作为计数器的值的函数的反电荷的量Qc。

公开(公告)号：EP2734837A1

公开(公告)日：2014-05-28

申请号：EP12743940.4

申请日：2012-07-18

Applicant: Institut Dr. Foerster GmbH & Co. KG

Inventor： HOLZMAYER, Bernhard ,  HALTER, Michael

IPC: G01N27/90 ,  G01N29/36

CPC classification number: H03M1/60 ,  G01N27/9006

Abstract: The invention relates to a method for testing the material of a test object (8) in a nondestructive manner, said test object being moved relative to a probe (1) at a variable relative speed. The method has the following steps: detecting a probe signal (US) using the probe (1); converting the probe signal (US) from analog to digital in order to generate a digitized probe signal (USD) in the form of a sequence of digital words with a specified, in particular constant, word repetition frequency; decimating the word repetition frequency of the digitized probe signal (USD) or a digital demodulation signal (UM) derived from the digitized probe signal in n stages using n cascaded decimating stages (5_1 to 5_n), wherein n ≥ 2; selecting an output signal (UA_1 to UA_n) of one of the n decimating stages (5_1 to 5_n) dependent on the current relative speed; and filtering the selected output signal using a digital filter (7) that is clocked at the word repetition frequency of the selected output signal.

公开(公告)号：EP2073384A3

公开(公告)日：2013-12-18

申请号：EP08171777.9

申请日：2008-12-16

Applicant: Power Integrations, Inc.

Inventor： Polivka, William M.

IPC: H03K5/24 ,  G01R19/12 ,  H03M1/60

CPC classification number: H03K5/24 ,  G01R19/12 ,  H03M1/60

Abstract: A time-differential analog comparator is disclosed. An example apparatus according to aspects of the present invention includes a source of a variable frequency signal having a frequency responsive to an analog input. A counting circuit is coupled to count cycles of the variable frequency signal. The counting circuit is coupled to count in a first direction for a first time interval and is coupled to count in a second direction opposite to the first direction for a second time interval that occurs after an end of the first time interval. An evaluation circuit is coupled to the counting circuit. The evaluation circuit is responsive to the count of the cycles of the variable frequency signal after an end of the second time interval.

公开(公告)号：EP2668724A1

公开(公告)日：2013-12-04

申请号：EP12702775.3

申请日：2012-01-25

Applicant: Siemens Aktiengesellschaft

Inventor： BALLE, Patrick ,  CHEMISKY, Eric

IPC: H03M1/08 ,  G01D3/036 ,  H03M1/06 ,  H03M1/60

CPC classification number: H03M1/0827 ,  G01R31/2829 ,  H03M1/0619 ,  H03M1/60

Abstract: A circuit arrangement for detecting and digitizing an analog input signal and to a field device for process instrumentation, wherein the field device comprises such a circuit arrangement which includes a first electronics unit, a second electronics unit, and an interface by which the two electronics units are galvanically separated from each other. A first signal is generated at a first frequency in the second electronics unit. A voltage frequency converter, to which the analog input signal is routed, uses a reference frequency to generate a second signal at a second frequency that corresponds to the level of the analog input signal. After the second signal has been transmitted to the second electronics unit using an optical coupler, a ratiometric measurement of the second frequency is performed in the second electronics unit dependent on the first frequency using a capture timer.

公开(公告)号：EP2270987B1

公开(公告)日：2012-10-31

申请号：EP10166087.6

申请日：2010-06-16

Applicant: General Electric Company

Inventor： Astley, Oliver Richard ,  Rao, Naresh Kesavan ,  Chen, Feng

IPC: H03M1/14 ,  H03M1/60 ,  H03M1/56

CPC classification number: H03M1/141 ,  H03M1/56 ,  H03M1/60

公开(公告)号：EP2387826A1

公开(公告)日：2011-11-23

申请号：EP10700460.8

申请日：2010-01-12

Applicant: Raytheon Company

Inventor： VEEDER, Kenton, T.

IPC: H03M1/56

CPC classification number: H03M1/145 ,  H03M1/56 ,  H03M1/60 ,  H04N5/35572 ,  H04N5/37455

Abstract: Light is converted to an electric signal by performing a light-to-frequency conversion of the light received during a first phase of operation. Following the first phase of operation, a light-to-time conversion is performed on light received during a second phase of operation. Following the second phase of operation a digital representation of the light is generated in response to the light -to- frequency conversion and the light-to-time conversion.

Abstract translation: 通过对在第一操作阶段期间接收到的光进行光频变换，将光转换成电信号。 在第一阶段的操作之后，对在第二阶段操作期间接收到的光进行光时转换。 在第二阶段的操作之后，响应于光 - 频转换和光 - 时转换，产生光的数字表示。