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A microwave oven adapted for use within a motor vehicle dashboard area. The microwave oven has a removable storage cassette, and slidable platforms for securing and serving containers of beverages and foods.

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Class 375/237 - PULSE NUMBER MODULATION


Subclass of Class 375 - Pulse or digital communications
Definition: Subject matter where the number of pulses in a group conveys
No. of patents: 45
Last issue date: 11/02/2010


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NumberTitleIssue Date
7826525Pulse-based communication for devices connected to a bus
A method for communicating data is disclosed. The method includes receiving a sequence of electrical pulses during an interval having a pre-determined time period, the sequence of electrical pulses representing a message from one of a plurality of devices, determini...
11/02/2010
7463682Coding method for binary digits coding and its circuit for digits transmission
This invention presents a coding method for binary digits coding and its circuit for digits transmission. With this coding method, the binary digits are corresponding to a sequence of pulse groups. The binary digits “0” and “1” are corresponding to the two p...
12/09/2008
7352806Systems and methods for transmitting data in a wireless communication network
A method of communicating over a wideband communication channel divided into a plurality of sub-channels comprises dividing a single serial message intended for one of the plurality of communication devices into a plurality of parallel messages, encoding each of the...
04/01/2008
7336736Method of detecting and processing pulsed signals in a radio signal
The invention allows the detection and processing in a radio signal received by a receiver, of any signal of “pulsed” type present in radio signals applied to the input of a radiofrequency receiver, the receiver having an analogue/digital converter for performin...
02/26/2008
7291998Electrical control safety system comprising photocells or equivalent sensors
An electrical control safety system is provided comprising two photocells or equivalent sensors applied on a sliding gate, the two photocell systems being composed respectively of at least two transmitters and two receivers, and the control safety system being cycli...
11/06/2007
7289425Parallel orthogonal frequency division multiplexed communication system
A parallel orthogonal frequency division multiplexed (OFDM) communications system includes a transmitter and receiver, the transmitter having a parallel fast Fourier transform (FFT) module operating in parallel to a conventional inverse fast Fourier transform (IFFT)...
10/30/2007
7283012Tri-state pulse density modulator
A tri-state pulse density modulator includes a first switch device coupled to a high voltage, and a second switch device coupled to a low voltage. An adder receives a pulse density modulation (PDM) input signal and a latched input signal to generate an output sum si...
10/16/2007
7227476Dither scheme using pulse-density modulation (dither PDM)
Dithering for the output of a digital pulse width modulator is provided by a pulse-density modulator formed from an adder incrementing a pulse-density count and generating a carry signal latched to a plus-one generator, which in turn adds a phase-division period to ...
06/05/2007
7221911Multi-band ultra-wide band communication method and system
The present invention provides ultra-wide band communication systems and methods, including multi-band ultra-wide band communication systems and methods. Methods and systems are provided in which frequency sub-bands of an ultra-wide band spectrum are allocated for s...
05/22/2007
7184272Modular RF terminal having integrated bus structure
A miniature, multimode, modular RF terminal includes a plurality of processing modules, where at least one of the processing modules includes an external connector for conveying an input or output RF signal. The terminal further includes a segmented coaxial analog b...
02/27/2007
7183959Method and system for implementing a reduced latency, wideband pulse density modulation digital to analog converter
According to one aspect of the present invention, this invention implements a low latency, wide bandwidth method and system for converting a numeric digital values into a pulse density modulated analog output signals. Such output signals having their lowest output f...
02/27/2007
7091687Electrical system for controlling at least one gate or door or similar element of the type moved electrically
An electrical system for controlling at least one gate or door or similar element of the type moved by means of at least one corresponding electric motor includes an electric network (NTWRK) consisting of two electric wires adapted to allow the distribution of direc...
08/15/2006
7061979System and method for determining the data rate of a digital data stream
A system and method for determining a minimum pulse width for a digital data stream is described herein. The minimum pulse width is used to infer the data rate for the digital data stream. A measuring cell is used to measure the pulse widths by utilizing RC time con...
06/13/2006
7006586Cyclic buffer for infrared
An apparatus for receiving and processing an electrical signal in the form of a pulse train comprising a plurality of pulses. The apparatus generally comprises a processor, a memory and a timer. The timer may be configured to generate a respective value representati...
02/28/2006
7003031Pulse width modulating device and exposure device
A PWM signal is made to rise synchronously with a pixel clock by inputting of a pulse to a set terminal (S terminal) of an R-S flip-flop. One of a reference clock, which is generated by a reference clock generator, and a delay clock, which is obtained by a delay cir...
02/21/2006
6992568Passive response communication system
A method of passive response communication, especially for an access control system, in which a first transponder (2) transmits an interrogation signal to a remote second transponder (3), which responds by transmitting data back to the first transponde...
01/31/2006
6952238Method and apparatus for echo cancellation in digital ATV systems using an echo cancellation reference signal
A novel echo cancellation reference (“ECR”) training signal is inserted into the current ATSC 8 VSB data stream to achieve improved echo rejection while maintaining compatibility with the ATSC 8 VSB digital ATV standard. The novel ECR training signal is also sui...
10/04/2005
6952159Coupling device
A coupling apparatus (1) having a mains connection (2) for connection to a low-voltage mains power supply system, and having an appliance connection (3) for connection of any appliance for transmitting and/or receiving an RF signal has a voltage...
10/04/2005
6947077Fast and accurate adjustment of gain and exposure time for image sensors
A proportional counting circuit generates count values for use in variably adjusting gain and exposure time of an image sensor array. The count values are adjusted in proportion to the current count value. This technique allows for fast and accurate adjustment of ga...
09/20/2005
6908227Apparatus for thermal management of multiple core microprocessors
An apparatus for managing the temperature of an integrated circuit having a multiple core microprocessor is described. Specifically, thermal sensors are placed at potential hot spots throughout each microprocessor core. A thermal management unit monitors the thermal...
06/21/2005
6816204Ghost cancellation reference signals for broadcast digital television signal receivers and receivers for utilizing them
Broadcast DTV signals are improved by including in each of their successive data fields a training signal for the adaptive channel-equalization and echo-cancellation filtering in receivers. The training signal in each data field includes a prescribed number of cycle...
11/09/2004
6741045Bicycle control apparatus that communicates power and data over a single transmission path
A bicycle control apparatus includes a bicycle component control unit having one of a control transmitter and a control receiver; a computer control unit having the other one of the control transmitter and the control receiver; and a transmission path coupled to the...
05/25/2004
6651036RMS-to-DC converter with fault detection and recovery
A circuit that provides the root-mean-square (RMS) value of an input signal and that detects and independently recovers from an output fault condition is provided. The circuit includes reconfigurable circuitry that changes from normal operating mode to fa...
11/18/2003
6560279Two wire multiplex data acquisition system with remote unit mode controls
A data acquisition system that utilizes a two wire network having a plurality of randomly located remote units connected to a central unit which is adapted to transfer voltage values to and from the remote units. A pulsewidth and pulse count protocol is e...
05/06/2003
6463104Method of increasing coding levels
This invention concerns a method of increasing coding levels. In this method, an increase in levels is achieved with multi-level coding, where uninterrupted periodic sequences such as an alternating current of the same frequency and phase relation are pro...
10/08/2002
6400928Method and system for blind detection of modulation
A method and system for blind detection of modulation in a wireless telecommunications network. In accordance with the method and system, a plurality of bursts are transmitted over an air interface to a receiving station using a first modulation scheme. M...
06/04/2002
6317457Pulse density modulator
A pulse density modulator for performing a modulation process by changing a pulse density per unit time. The pulse density modulator includes a counting circuit for counting supplied clock signals, a first waveform data generating circuit for synthesizing...
11/13/2001
6265994Device for encoding/decoding n-bit source words into corresponding m-bit channel words, and vice versa
A device is disclosed for encoding a stream of databits of a binary source signal into a stream of databits of a binary channel signal. The device comprises a merging unit (4') for merging a 1-bit merging word at equidistant positions in the serial datast...
07/24/2001
5995546Digital integrator for pulse-density modulation using an adder carry or an integrator overflow
A pulse-density modulator (10) for producing a pulse density output signal on an output line (36) representing successive parallel digital input words on input terminals (12) has a plurality of full adders (14, 16, 18), each having a carry output (C), and...
11/30/1999
5822369Sensor device
A sensor device includes a voltage-to-pulse-number converter having a timing controller. When power is supplied to the converter from a power circuit through a power line, a timer circuit inhibits itself from performing a control operation until operation...
10/13/1998
5793754Two-way, two-wire analog/digital communication system
A pulse density signaling input/output (PDSIO) scheme is implemented to provide a two-way, two-wire hybrid analog/digital communications system. PDSIO signals are sent as logic pulses from a "master" port to one or more "slave" ports over a twisted pair. ...
08/11/1998
5675609Sinusoidal pulse and pulse train signaling apparatus
This contribution involves the generation, transmission, propagation and selective reception of electrical, magnetic or electromagnetic energy in the form of a halfwave sinusoidal pulse signal, from one location to another, whereby intelligence input for ...
10/07/1997
5640160Pulse modulation method
A binary code is divided into 2-bit data units. Pulse position modulation is performed on each unit rather than on each bit. Since a pulse is not formed for each bit, the transmission interval and transmission frame interval for the modulated signal is sh...
06/17/1997
5610947IR FM modem with flash modulation
Biphase or FM encoding is combined with Flash modulation in infrared (IR) communication. By shrinking the coded pulse width in the modulation process, power dissipation is effectively reduced to the point where FM encoding can be advantageously adapted to...
03/11/1997
5572555Serial code format optimized for remote control applications over noisy communications channel
A transmitted data stream in a remote control system is a serial data stream having a synchronization sequence and a data sequence. The data sequence is encoded into a symbol comprised of a series of data bits wherein a 110 may represent a logic 1 and a 0...
11/05/1996
5475381High speed infrared communications system using pulse sets
An infrared communication system for transmitting a digital bit stream by telemetry in the presence of background radiation wherein each bit in the data stream is represented by a signature set of pulses designating either a binary one or a binary zero. A...
12/12/1995
5412644Serial bus system with a single-wire line
A method and circuit arrangement for a single-wire bus system wherein a commercially available processor reads data from a transmitter. The transfer of the data over a single-wire line is controlled exclusively by the processor. The processor generates a ...
05/02/1995
5325398Pulse count mode communication system
A transmitter pulse circuit produces two-phase pulse trains containing a certain number of pulse edges corresponding to an integral number represented by binary parallel bits of a data value to be transferred. The transmitter responds to a coordinate data...
06/28/1994
4982175Telemetry circuit with noise immunization
A telemetry system for use with AC power lines, comprising a pulse transmitter connected to the lines for generating pulses on the power lines only in a selected portion of each full cycle of the power line voltage waveshape. The system further comprises ...
01/01/1991
4745621Method of and apparatus for detecting minimum bit number of received data
Received data is sampled with a sampling pulse of a rate m greater than that n of the received data, and a minimum bit number of the received data is determined from a sampled output for estimating a signal transfer rate of the received data. The present ...
05/17/1988
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