公开(公告)号：US09307605B2

公开(公告)日：2016-04-05

申请号：US14760460

申请日：2013-11-29

Applicant: ams AG

Inventor： Werner Schoegler ,  Manfred Pauritsch

IPC: H05B33/08 ,  H05B37/02

CPC classification number: H05B33/0851 ,  H05B33/0815 ,  H05B33/0824 ,  H05B33/0842 ,  H05B37/0218 ,  H05B37/0272 ,  Y02B20/46

Abstract: In one embodiment, an electronic lighting system comprises a first light source (L1) adapted to emit light with a first brightness as a function of a first driving signal (PWM1) having a first frequency (f1), at least one second light source (L2) having a main light sensor (Als2) for providing an brightness of light surrounding the second light source (L2), wherein the first light source (L1) is arranged in visual connection with the at least one second light source (L2). Thereby, the second light source (L2) is prepared to emit light with a second brightness as a function of a second driving signal (PWM2) with a second frequency (f2), the second frequency (f2) of the second driving signal (PWM2) being adjusted to a light frequency (fL) of the light emitted by the first light source (L1), the light frequency (fL) being detected by means of the main light sensor (Als2). Furthermore, a method for lighting synchronization is described.

Abstract translation: 在一个实施例中，电子照明系统包括适于以具有第一频率（f1），至少一个第二光源（f1）的第一驱动信号（PWM1）的函数的第一亮度发光的第一光源（L1） L2），其具有用于提供围绕所述第二光源（L2）的光的亮度的主光传感器（Als2），其中所述第一光源（L1）与所述至少一个第二光源（L2）可视地连接。 因此，第二光源（L2）准备以第二频率（f2），第二驱动信号（PWM2）的第二频率（f2）作为第二驱动信号（PWM2）的函数发射具有第二亮度的光 ）被调整为由第一光源（L1）发射的光的光频率（fL），通过主光传感器（Als2）检测的光频率（fL）。 此外，描述了照明同步的方法。

公开(公告)号：US10925497B2

公开(公告)日：2021-02-23

申请号：US15752238

申请日：2016-08-17

Applicant: ams AG

Inventor： Peter Trattler ,  Manfred Pauritsch ,  Herbert Lenhard

IPC: A61B5/024 ,  A61B5/0245 ,  A61B5/00 ,  H04B10/07

Abstract: A circuit arrangement for an optical monitoring system comprises a driver circuit configured to generate at least one driving signal for driving a light source and a detector terminal for receiving a detector current. The circuit arrangement further comprises a current source configured and arranged to generate at the detector terminal a reduction current. The reduction current has an amplitude which is given by a base value whenever none of the least one driving signal assumes a value suitable for activating the light source and by a sum of the base value and a reduction value otherwise. The circuit arrangement also comprises a processing unit configured to generate an output signal depending on a combination of the detector current and the reduction current.

公开(公告)号：US09372122B2

公开(公告)日：2016-06-21

申请号：US13921068

申请日：2013-06-18

Applicant: ams AG

Inventor： Manfred Pauritsch ,  Werner Schögler

IPC: G01K7/02 ,  H05B33/08

CPC classification number: G01K7/02 ,  H05B33/0848 ,  H05B33/089

Abstract: An electronic circuit (10) to monitor a temperature of a light emitting diode (1) comprises a current generating circuit (110) to generate a current flow of at least a first and second current (IC1, IC2) through the light emitting diode (1) and a voltage monitoring circuit (120) to monitor a voltage of the light emitting diode (1). The voltage monitoring circuit (120) is further arranged to determine a difference of a respective value of a first and second voltage (Vf1, Vf2) of the light emitting diode (1) to monitor the temperature of the light emitting diode (1), wherein the first voltage (Vf1) and second voltage (Vf2) of the light emitting diode (1) is determined while driving the first and second current (IC2) through the light emitting diode (1).

Abstract translation: 用于监测发光二极管（1）的温度的电子电路（10）包括电流产生电路（110），以产生至少通过发光二极管（IC1，IC2）的第一和第二电流（IC1，IC2）的电流 1）和用于监测发光二极管（1）的电压的电压监视电路（120）。 电压监视电路（120）还被布置成确定发光二极管（1）的第一和第二电压（Vf1，Vf2）的相应值的差异以监测发光二极管（1）的温度， 其中，通过所述发光二极管（1）驱动所述第一和第二电流（IC2）来确定所述发光二极管（1）的所述第一电压（Vf1）和所述第二电压（Vf2）。

公开(公告)号：US20220054023A1

公开(公告)日：2022-02-24

申请号：US17415338

申请日：2019-11-25

Applicant: ams AG

Inventor： Bernhard Gruber ,  Manfred Pauritsch ,  Martin Dedek

IPC: A61B5/026 ,  A61B5/00

Abstract: An integrated sensing system for characterizing blood flow in a subject includes a light source assembly including a light source configured to emit light of a particular wavelength. The integrated sensing system includes an integrated circuit electrically connected to the light source assembly. The integrated circuit includes a light detector assembly including multiple light detectors configured to detect light of the particular wavelength; and a correlator configured to determining a delay between optical signals detected by respective light detectors of the light detector assembly.