Abstract: A system utilizing time tracking is disclosed. The system includes a real time clock, a time component, and a controller. The real time clock is configured to track time. The time component is configured to measure a time value without an additional power source. The controller is configured to determine an elapsed time using the time value and calibration information and to update the real time clock using the elapsed time in a restart mode.

Abstract: Method and apparatuses involving satellite position signals are disclosed. Based on data indicating a usage environment, parameters, for example acquisition parameters or calculation parameters, are adapted.

Abstract: A mixer is configured to sample a received input signal at a predefined oscillator frequency to generate a sampled input signal, and to switch a polarity of the sampled input signal at a predefined polarity switching frequency to generate a polarity switched sampled input signal.

Abstract: One embodiment of the present invention relates to a combined mixer filter circuit. The circuit includes a sampler, a plurality of filter branches, and a coefficient generator. The sampler is configured to provide a sampled signal by sampling a received signal at a specified rate. The plurality of filter branches has selectable filter coefficients. The plurality of filter branches are configured to receive the sampled signal and generate a mixed and filtered output signal without a separate mixer component. The coefficient generator is coupled to the plurality of filter branches. The coefficient generator is configured to assign filter coefficient values to the selectable filter coefficients to yield a selected mixing function for the mixed filtered output signal.

Abstract: Communication devices and methods are disclosed, wherein a test signal is generated at a first frequency and a higher harmonic of said test signal is received and processed at a second frequency higher than said first frequency.

Abstract: The method is based on a signal interval (DB) which comprises a first part (ET) (which is modulated using a first modulation method (GFSK)) of the signal interval and a second part (which is modulated using a second modulation method (DMPSK)) of the signal interval. The channel parameters (c(i)) relating to the second part (which is modulated using the second modulation method) of the signal interval are determined using a received data signal (a(i); p(i)) from the first part (ET) of the signal interval (DB).

Abstract: An optoelectronic sensor (10) for monitoring a working area (42) is provided, the working area (42) being located within a detection area (20) of the sensor (10) and in a first distance from the sensor (10), wherein the sensor (10) comprises an illumination unit (22) with a light source (24) for at least partially illuminating the working area (42), and an object detection unit (30) for detecting forbidden objects in the working area (42), wherein an illumination control (28) of the illumination unit (22) is configured to, during a startup period, initially activate the illumination unit (28) with a lower power such that a provisional working area (40, 40a-c) in a second distance from the sensor (10) less than the first distance is illuminated at most with a predetermined maximum light output; test whether there is a forbidden object intrusion into the provisional working area (40, 40a-c); and if no forbidden object intrusion is detected, activate the illumination unit (28) with a higher power such that th

Abstract: An optical detection apparatus is configured to transmit pulses into a detection zone after one another in different directions which follow one another in a scanning direction over a scanning angle, to receive the radiation of the transmitted pulses returning from the detection zone, to generate a received signal with respect to each transmitted pulse, said received signal depending on the variation with time of the returning radiation of the transmitted pulse, and to average the received signals of a group of transmitted pulses to generate an averaged received signal. The angular extent relating to the scanning angle of at least one transmitted pulse of the group at a spacing from the detection apparatus disposed within the detection zone is at most 25 times the size of the angular spacing relating to the scanning angle between two transmitted pulses of the group directly adjacent one another in the scanning direction.

Abstract: An optoelectronic sensor (10), in particular a laser scanner, is provided which comprises a light transmitter (12) for transmitting a light beam (16) having a beam profile (28) elongated in a line direction into a monitored plane (26), a light receiver (34) for generating a received signal from the light bream (30) remitted by objects in the monitored plane (26), a movable deflection unit (24) for the periodic deflection of the light beam (16, 30) to scan the monitored plane (26) in the course of the movement and an evaluation unit (42) for detecting the objects with reference to the received signal. The laser scanner has an optical beam rotation element (20) which is disposed after the light transmitter (12) and which can tilt the line direction of a light beam (16) passing through.

Abstract: An integrated circuit has a clock subsystem, and a circuit. The clock subsystem is configured to provide a reference clock signal to a first module and a second module. The circuit is configured to distribute information describing characteristics of the reference clock signal to the second module. The information distributed with the circuit enables the second module to adapt the reference clock signal based on the information.

Abstract: A hybrid satellite positioning receiver architecture is provided with a first receive path and a second receive path. The first receive path downconverts received satellite positioning signals of a first type to an intermediate frequency range, and the second receive path downconverts received satellite positioning signals of a second type to the same intermediate frequency range.

Abstract: A method and system of a GPS system controlling a voltage of an input signal to an oscillator, the oscillator producing a clock reference signal to the GPS system and a modem system, such that a frequency of the clock reference signal is altered to synchronize the modem system with a corresponding network while the GPS system remains in a locked state.

Abstract: One embodiment of the present invention relates to a combined mixer filter circuit. The circuit includes a sampler, a plurality of filter branches, and a coefficient generator. The sampler is configured to provide a sampled signal by sampling a received signal at a specified rate. The plurality of filter branches has selectable filter coefficients. The plurality of filter branches are configured to receive the sampled signal and generate a mixed and filtered output signal without a separate mixer component. The coefficient generator is coupled to the plurality of filter branches. The coefficient generator is configured to assign filter coefficient values to the selectable filter coefficients to yield a selected mixing function for the mixed filtered output signal.

Abstract: Representative implementations of direct FM/PM modulation and systems are disclosed describing frequency modulation or phase modulation of information onto a carrier signal using a divider that is remote from the carrier signal generation path.

Abstract: This disclosure relates frequency channel qualification in wire-free communications system.

Abstract: A 3D camera (10) for monitoring a spatial zone (12) is provided, wherein the 3D camera (10) has at least one image sensor (14a-b) for taking image data from the spatial zone (10), an evaluation unit (22, 24) for generating a distance image with three-dimensional image data from the image data of the image sensor (14a-b) and an illumination unit (100) with a light source (104) and an upstream microoptical array (106) with a plurality of microoptics (106a) to illuminate the spatial zone (12) with an irregular illumination pattern (20). In this respect, the light source (104) has a semiconductor array with a plurality of individual emitters (104a) and the microoptical array (106) has non-imaging microoptics (106a).

Abstract: A mixer is configured to sample a received input signal at a predefined oscillator frequency to generate a sampled input signal, and to switch a polarity of the sampled input signal at a predefined polarity switching frequency to generate a polarity switched sampled input signal.

Abstract: An optoelectronic sensor (10), in particular a laser scanner, is provided which comprises a light transmitter (12) for transmitting a light beam (16) having a beam profile (28) elongated in a line direction into a monitored plane (26), a light receiver (34) for generating a received signal from the light bream (30) remitted by objects in the monitored plane (26), a movable deflection unit (24) for the periodic deflection of the light beam (16, 30) to scan the monitored plane (26) in the course of the movement and an evaluation unit (42) for detecting the objects with reference to the received signal. The laser scanner has an optical beam rotation element (20) which is disposed after the light transmitter (12) and which can tilt the line direction of a light beam (16) passing through.

Abstract: An optoelectronic sensor (10) for monitoring a working area (42) is provided, the working area (42) being located within a detection area (20) of the sensor (10) and in a first distance from the sensor (10), wherein the sensor (10) comprises an illumination unit (22) with a light source (24) for at least partially illuminating the working area (42), and an object detection unit (30) for detecting forbidden objects in the working area (42), wherein an illumination control (28) of the illumination unit (22) is configured to, during a startup period, initially activate the illumination unit (28) with a lower power such that a provisional working area (40, 40a-c) in a second distance from the sensor (10) less than the first distance is illuminated at most with a predetermined maximum light output; test whether there is a forbidden object intrusion into the provisional working area (40, 40a-c); and if no forbidden object intrusion is detected, activate the illumination unit (28) with a higher power such that th

Abstract: A method and system for controlling a plurality of output voltages.