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Patent Searching and Data


Matches 101 - 150 out of 1,604

Document Document Title
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/2001/005036A3
The invention relates to a digital to analogue converting device comprising a converting step establishing an upper (UL) and a lower voltage level (LL) in dependency of at least one digital input signal (DIS), said upper (UL) and lower v...  
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...  
WO2000001067A3
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/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 ...  
WO1995028033A3  
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...  
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 ...  
JP2018061164A
To provide a reception circuit capable of handling a plurality of modulation systems while inhibiting a circuit scale from being enlarged.A reception circuit includes: a determination circuit including a plurality of comparison circuits ...  
JP2017536577A
[Subject] The present invention provides an arrangement board, and a display and a drive method for the same. [Means for Solution] A data drive circuit which an arrangement board is provided outside an effective display field provided wi...  
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...  
JP2014110610A
To provide a digital demodulation circuit for a pulse-width-modulated received signal with a superimposed carrier which is implemented by a clear demodulation algorithm and in a simple architecture.The demodulation circuit for demodulati...  
JP5423095B2  
JP2010233067A
To reduce noise generated from a waveform generation circuit.A waveform generation circuit is configured to continuously control a voltage applied to a gate of an MOSFET to change an output current in the form of a sinusoidal wave by uti...  
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  
JP4535478B2  
JP4447302B2  
JP4321959B2  
JP4302410B2  
JP4298468B2  
JP4272593B2  
JP4239859B2  
JPWO2005101773A1
(課題) リファレンスクロック及びシェイクハンド動 作が不要であり、信頼性の高い安定したデジ タルデータの伝送を実現すること。(解決手 段) 本発明によると、第1の...  
JP4057502B2  
JP2008501294A
Receive a frequency modulation RF signal, are a radio receiver (200) to which it restores with a direct conversion system, and the above-mentioned receiver An input signal route (101), A local oscillator (111) and the 1st mixer (107) tha...  
JP4026879B2  
JP3990323B2  
JP3966852B2
To provide a serial communication apparatus which is capable of detecting data on the basis of a decision by majority to perform communication immune to noise and further, suppressing as little as possible a timing deviation caused by mi...  
JP3860795B2  
JP3822632B2  
JP3851906B2
To provide a pulse generating circuit capable of generating an output pulse signal having a large pulse width. The pulse generating circuit includes a first logic means 42, a second logic means 44, a first delay means 72, and a second de...  

Matches 101 - 150 out of 1,604