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Patent Searching and Data


Matches 51 - 100 out of 1,201

Document Document Title
WO/2005/038645A2
A product-sum operation circuit includes a pulse width/digital conversion circuit (9) which converts a pulse signal having a pulse width representing an operand value into a digital signal, a sorting circuit (4) which outputs, in descend...  
WO/2004/098073A2
A conversionless direct detection system for detecting signals having a very large dynamic range, with a virtually unlimited bandwidth utilizes a successive detection approach having successive log amplifier gain stages, with each gain s...  
WO/2004/045089A2
A pulse modulation system increases the available bandwidth in an ultra-wideband or impulse radio communications. The system employs a set of different pulse transmission or emission rates (115) to represent different groups (110) of bin...  
WO/2004/044897A2
Methods and apparatus are provided for receiving DSD data (DATA) in phase modulation mode using a single clock signal (BCLK, PCLK). Either the bit clock (BCLK) or phase signal (PCLK) may be used.  
WO/2003/017516A1
The present invention relates in general to a method, apparatus, and article of manufacture for providing high-speed digital communications (901, 902) through a communications channel (100). In one aspect, the present invention employs a...  
WO/2002/102008A1
The present invention relates to blind detection of a received signal having at least one property, which initially is unknown to the receiver, however, limited to a finite set of alternatives ({p¿1?. p¿2?,..., p¿m?}). According to th...  
WO/2002/082634A2
The invention relates to a circuit arrangement for demodulating a voltage which is (ASK)-modulated by the change of amplitude between a low and a high level. On a first and a second charging circuit one charging voltage (V1, V2) each is ...  
WO/2002/070789A2
A method for selectively assembling a molecular device on a substrate comprises contacting the first substrate (10) with a solution containing molecular devices (15), impeding bonding of the molecular devices to the substrate such that a...  
WO/2002/023746A2
The inventive method is characterized in that a single standard-independent clock-pulse rate is generated in a signal processor or signal processing structure and a pulse frequency generator is disposed on the chip in a precise manner. T...  
WO/2001/047131A2
The invention relates to a method and circuit for transmitting a data-modulated high-frequency data signal f¿C? from a transmitter to a receiver, especially for transmitting data between a read-write device (SLG) and at least one mobile...  
WO/2000/019675A1
The invention relates to a digital receiver for a signal generated with discrete multi-tone modulation, having an analog-digital converter to which the signal generated with discrete multi-tone modulation is fed, in addition to a time do...  
WO/2000/016480A1
A location reporting satellite paging communication system comprising space satellites (2), ground stations (4), and call receivers (8) adapted to resolve a global position from signals transmitted from satellites (2) and earth based com...  
WO/2000/011803A1
A band-pass filter (51) extracts a Nyquist tone signal from the input signal and judges the level of the tone signal extracted by a power calculating section (52). A line equalizer control section (53) controls the line equalizer (42) ac...  
WO/2000/011795A1
A low IF receiver in which an input signal is frequency translated in quadrature related mixers (24, 26), filtered in respective low pass channel filters (38, 40), derotated to produce a wanted signal and its image (52, 54), is at switch...  
WO/2000/005815A1
A single chip RF communication system and method and a VCO-mixer (130) structure are provided. The RF communication system in accordance with the present invention includes a transmitter (1100) and a receiver (100), an antenna for receiv...  
WO/2000/001067A2
Systems and methods can provide, in one aspect, a method for modulating the pulse width of control signals generated on a plurality of separate channels. In one practice, the methods described herein are suitable for execution on a micro...  
WO/1999/067885A1
The PWM signal integrated by periods is alternately fed to two capacitors and is made available as analog signal by the latter during the corresponding following period for further processing. After A/D reconversion, said signal undergoe...  
WO/1998/054837A1
The apparatus comprises a circuit where an input electric signal is connected to a constant pulse duration generator (1), after which there is connected a switch (2) which is connected to a primary current source (3), connected between a...  
WO/1998/054832A1
The apparatus comprises a circuit where an input electric signal is connected to a constant pulse duration generator (1), after which there is connected a switch (2) which is connected to a primary current source (3), connected to a supp...  
WO/1996/015590A1
A method and apparatus are shown for generating and transmitting very short and widely separated high frequency sine-wave pulses of electromagnetic energy into space. A transistor (TR3), a charging capacitor (C8), and an inductor (L1) ar...  
WO/1996/007234A1
A communication device (100) includes first (104) and second (108) mixers for producing first in-phase and quadrature phase component, respectively. Additional zero-crossing points are efficiently generated by adding and subtracting the ...  
WO/1995/028033A2
A receiver comprising, arranged in this order, an input section, an FM demodulator, to which a frequency-modulated input signal is applied, and an LF section, which FM demodulator comprises a pulse shaper and a low-pass filter, the pulse...  
WO/1993/010596A1
A digital demodulator for frequency modulated, pulse-width modulated and other temporally modulated signals uses a sign detector (14) to determine zero-crossings of the modulated signal. The periods between zero-crossings are determined ...  
WO/1992/014303A1
The proposal is for a system consisting of a process and a preferred device suitable for implementing the process of the invention for time/voltage conversion determining voltages corresponding to the duration of pulses. Prior art system...  
WO/1991/003871A1
A single substantially non-programmable fully integrated circuit for a digital frequency modulated discriminator is provided whereby frequency variations of a digitized frequency modulated information signal (12) are linearly converted t...  
WO/1987/003434A1
Serial information bits are represented by a signal which alternates between two levels and remains at each level for a time representative of the information bit being represented. The serial bits are produced by sampling of a set of pa...  
WO/1985/000941A1
As shown in (Fig. 2A), the fall time of an ECL gate (20) is precisely controlled using a fixed capacitor (46) which is connected between the positive supply voltage and the ECL gate output terminal (44), and a variable current source (48...  
WO/1984/000087A1
A circuit (10) receives a cyclic input signal having a frequency determined by a source (11), which frequency may vary in accordance with a parameter or condition to be measured, for example. The circuit (10) very precisely provides an o...  
WO/1982/002300A1
A decoder for pulse width modulated (PWM) signals comprising an integrator (14) and a sample-and-hold circuit (20) wherein the sample-and-hold output signal is fed back to the input of the integrator (14). No periodic initialization of t...  
JP2024027052A
An equalizer circuit capable of shaping a multivalued PAM signal is provided. An A/D converter 700 quantizes a PAM4 differential signal by comparing it with a plurality of threshold values. Differential buffer 710 receives differential s...  
JP2022141193A
To provide a frequency voltage conversion circuit capable of suppressing a leak current generated in a circuit and outputting a constant output voltage even when an output voltage is influenced by a sine wave noise applied to a constant ...  
JP2022046003A
To secure accuracy without making a configuration complicated even in a case of using LPF.A portion that calculates a duty ratio of a control system 1 calculates a duty ratio from an input signal modulated by changing the duty ratio by a...  
JP6849903B2
A reception circuit includes a determination circuit including comparator circuits configured to determinate a level of a received signal and a logic circuit configured to generate a digital signal based on outputs of the comparator circ...  
JP2020031272A
To provide a semiconductor device capable of transmitting data used for different control without increasing a signal path.A pulse generation circuit 6 of a transmission side chip 2 outputs a low-frequency pulse train as a signal INH whe...  
JP2018093385A
To provide a PWM signal detection circuit capable of accurately detecting a pulse width of an origin PWM signal.An output circuit 12 of a master ECU outputs a PWM signal S1 from an output transistor 13. An input circuit 22 of a slave ECU...  
JP2018073428A
To provide an electronic price display, an electronic price display system and an electronic price display method according to the present invention. A controller of an electronic price display according to an example comprises: a power ...  
JP6012072B2  
JP2016046536A
To provide a PWM demodulator circuit capable of handling wide range data rate from low speed to high speed with a small electric power.The PWM demodulator circuit includes a counter section which, in a second period following a first per...  
JP5423095B2
A sinusoidal waveform generation circuit is configured to continuously control a voltage applied to a gate of a MOSFET to change an output current in the form of a sinusoidal wave by utilizing, as an electric characteristic specific to t...  
JP2010226658A
To accurately measure the duty ratio of a light adjusting signal even when the frequency etc. of the light adjusting signal is different.A signal transmission circuit 152 receives a light adjusting signal subjected to pulse width modulat...  
JP4545932B2
A single chip RF communication system and method and a VCO-mixer (130) structure are provided. The RF communication system in accordance with the present invention includes a transmitter (1100) and a receiver (100), an antenna for receiv...  
JP4535478B2
A location reporting satellite paging communication system comprising space satellites, ground stations and a call receiver adapted to resolve a global position from signals transmitted from satellites and earth based communication means...  
JP4447302B2  
JP4321959B2
The demodulator according to the invention comprises a negative feedback loop which slowly compensates for a DC potential of a demodulated signal through an integrator formed of a resistor and a capacitor, and a negative feedback loop wh...  
JP4302410B2
A receiving unit of a receiving device receives a signal arriving thereto through a transmission path as a reception signal. A delay unit outputs a delay signal obtained by delaying the reception signal by a predetermined delay time. An ...  
JP4298468B2
A frequency conversion circuit of the present invention includes: (i) a first mixer for mixing the radio frequency signal having a frequency fRF with a first oscillation signal having a frequency fLO1 so that the radio frequency signal i...  
JP4272593B2
To provide a digital modulation system using an orthogonal code modified to reduce autocorrelation. The digital modulation system uses the modified orthogonal code having reduced autocorrelation sidelobes to enhance multi-path performanc...  
JP4239859B2
A PPM signal demodulator for demodulating a PPM signal transmitted in a UWB radio communication system includes a rectifier for rectifying a received PPM signal to obtain an absolute value signal, integrator and comparators for integrati...  
JP4057502B2  
JP2008501294A
A radio receiver (200) that receives a frequency-modulated RF signal and demolishes it by a direct conversion method, the receiver being an input signal path (101), a local oscillator (111), and an output reference from the local oscilla...  

Matches 51 - 100 out of 1,201