Method of transmitting data with optimized transmission rate using packet header that defines data encoding parameters
Granted: June 10, 2008
Patent Number:
7385950
For transmitting data between a base station and a transponder, information packets modulated onto an electromagnetic carrier wave each include a header section, a middle section, and an end section. The data are encoded in the middle section using information symbols, e.g. representing digital “1s” and “0s”. The header section of at least the first packet defines the number and unique identifications of all of the symbols that will be used for encoding the data in the middle…
Monolithic integrated circuit with integrated interference suppression device
Granted: June 10, 2008
Patent Number:
7385455
The invention discloses a monolithic integrated circuit with at least one signal connection carrying a signal and with an interference suppression device integrated in the circuit to reduce radiated interference. The interference suppression device has at least one stripline having a section whose beginning is coupled to the signal connection and whose end is short-circuited, wherein a length of the section is chosen as a function of a predefinable frequency, in particular as a function…
Pipelined analog-to-digital converter having a power optimized programmable data rate
Granted: June 3, 2008
Patent Number:
7382307
The present invention is related to a pipelined analog-to-digital converter (ADC) utilizing a power distribution scheme selectively delivering both constant and variable reference currents in selected proportions to a plurality of stages and operational transconductive amplifiers (OTAs). This permits the ADC to maintain an optimized speed over power consumption ratio over a wide data rate range. Since the invention is capable of supporting a large operating range while maintaining very…
Planar microwave line having microstrip conductors with a directional change region including a gap having periodic foldings
Granted: May 27, 2008
Patent Number:
7378919
A planar microwave line is provided, having a dielectric substrate and a planar arrangement of a first microstrip conductor and at least one additional microstrip conductor, in which a gap between the first microstrip conductor and the additional microstrip conductor permits an electromagnetic coupling, a first region in which the microwave line has a first direction, a second region in which the microwave line has a second direction, and a transition region in which a change from the…
Method and system for regulating a program voltage value during multilevel memory device programming
Granted: May 27, 2008
Patent Number:
7379338
Regulating a program voltage value during multilevel memory device programming includes utilizing a program path duplicate in an output pump regulator circuit. Further, the output pump regulator circuit is utilized to provide a regulated program voltage for memory cell programming, the regulated program voltage correcting for a program path voltage drop.
System for current sensing in switched DC-to-DC converters
Granted: May 20, 2008
Patent Number:
7375503
A system for sensing the supply current of a switched DC-to-DC converter. The system includes a first circuit that senses a first voltage that is proportional to the supply current, wherein the first voltage has first ripple; a second circuit coupled to the first circuit, wherein the second circuit outputs a second voltage that is based on the first voltage, and wherein the second voltage has a second ripple that is smaller than the first ripple; and a third circuit coupled to the second…
Device for comparing an input signal with a set value and correspondinng electronic circuit
Granted: May 20, 2008
Patent Number:
7375506
A comparison device includes a one-threshold comparator receiving an input signal and a set value and generating a resultant signal. The comparison device further includes a sampler for sampling the resultant signal and a controller for blocking the sampler, after a switching of the input signal, as long as a timeout mechanism does not indicate that a given timeout duration has elapsed since the verification of a predetermined instability criterion.
Integrated quartz oscillator circuit
Granted: May 20, 2008
Patent Number:
7375600
An integrated quartz oscillator circuit is disclosed having a capacitive voltage divider, which has a first capacitor and a second capacitor, as well as having a first transconductance amplifier, which is placed in a loop connecting a first terminal and a second terminal of the first capacitor. An input of the first transconductance amplifier is connected to a center tap between the first capacitor and the second capacitor, an output of the first transconductance amplifier is connected…
Wireless data transmission between base station and transponder with encoding/decoding parameter adjusted dependent on header symbol duration
Granted: May 20, 2008
Patent Number:
7376391
Data encoded in packets modulated onto a carrier wave is transmitted between a base station and a transponder. Each packet includes a header section containing at least a reference symbol, and a further section such as a data section. In the transponder, the time duration of the reference symbol is determined, and a parameter is adjusted dependent on the determined duration. The parameter determines at least a property, such as the time resolution, of the encoding and/or decoding…
Method for gaining time information and receiver for implementing the method
Granted: May 6, 2008
Patent Number:
7369628
Time signals transmitted by a time signal transmitter and received by a receiver are processed for gaining time information and for reducing demodulation errors to increase the demodulation certainty. For this purpose the following steps are performed in a time signal receiver: a) scanning of received time signals, b) storing of scanned values of the time signal, c) detecting from the scanned and stored values an amplitude change in said time signal, d) measuring the duration of any…
Method and apparatus to prevent high voltage supply degradation for high-voltage latches of a non-volatile memory
Granted: May 6, 2008
Patent Number:
7369446
An improved cross-coupled CMOS high-voltage latch that is used for storing data bits to be written to memory cells of a non-volatile memory is provided with a switching circuit that, during writing of data bits into the memory cells of the latch, provides a high series impedance between one leg of the latch and ground to limit leakage current. A large number of latches are connected in parallel and their accumulated leakage currents are limited by the switching circuit to prevent…
Apparatus and method for charge pump slew rate control
Granted: April 29, 2008
Patent Number:
7365585
An apparatus and method for improving memory cell reliability is disclosed. The slew rate is reduced in an applied voltage signal used to program a memory cell when Fowler-Nordheim (FN) tunneling injection is detected. The applied programming signal is provided by a charge pump that is preferably a regulated charge pump. The charge pump is selectively controlled by a slew rate control circuit when FN tunneling injection is detected by a voltage level detection circuit at a predetermined…
Integrated circuit
Granted: April 22, 2008
Patent Number:
7362147
An integrated circuit is disclosed that includes a MOS output stage transistor, a gate terminal for applying a drive signal, which controls the turning on and off of the output stage transistor, a charge transistor, which when the output stage transistor is turned on supplies a gate electrode of the output stage transistor with a charging current, and a discharge transistor, which when the output stage transistor is turned off supplies the gate electrode of the output stage transistor…
Method for structuring a semiconductor device
Granted: April 15, 2008
Patent Number:
7358181
A method for structuring a laterally extending first layer in a semiconductor device with the aid of a reactive second layer, which together with the first layer to be structured forms first reaction products, which products are removed by material removal that acts selectively on the first reaction products, whereby the structuring takes place in a vertical direction.
Constant voltage source with output current limitation
Granted: April 15, 2008
Patent Number:
7358713
A constant voltage source is disclosed having an output current control element, which adjusts an output voltage of the constant voltage source by varying its output current, a control circuit, which acquires a measure for an actual value of the output voltage and processes it to a control signal for the control of the output current control element, and a limiting circuit, which limits the output current to a predefined maximum value by action on the control signal, whereby the…
Method for automatic detection of the data rate in a network, particularly a CAN bus type network, and for configuration to the detected data rate, corresponding device
Granted: April 15, 2008
Patent Number:
7359436
A method for automatic detection of the network data rate and for configuration at the detected data rate by a device connected to the network. This method includes an initialisation phase and an interative processing phase. The initialisation phase includes the following steps: the device is put into listening mode, in which it can receive messages from the network but it cannot send messages on the network; the device is initialised with an initial data rate configuration; a first…
Method and apparatus for wireless data transmission
Granted: April 15, 2008
Patent Number:
7359472
A method and apparatus for wireless data transmission between a base station and one or more, in particular, passive and/or backscatter-based transponders, in which the base station modulates a carrier signal with a modulation signal, to generate synchronization markers, and transmits the modulated carrier signal. Whereby, a frequency of the modulated carrier signal can be switched between different frequency values.
Cascode, cascode circuit and method for vertical integration of two bipolar transistors into a cascode arrangement
Granted: April 1, 2008
Patent Number:
7352051
A cascode of a high-frequency circuit, includes a first transistor having a first base semiconductor region, a first collector semiconductor region and a first emitter semiconductor region, and a second transistor having a second base semiconductor region, a second collector semiconductor region and a second emitter semiconductor region. The first emitter semiconductor region of the first transistor and the second collector semiconductor region of the second transistor are geometrically…
Method to reduce power in active shield circuits that use complementary traces
Granted: April 1, 2008
Patent Number:
7352203
The present invention provides a method and apparatus for securing an integrated circuit. A pair of conductive security traces are arranged on an integrated circuit. Driver means provide complementary HIGH and LOW voltage levels to a respective first end of each of the conductive security traces. A first switch means temporarily interrupts the driver means and isolates the pair of conductive security traces. A second switch means temporarily connects the first ends of the isolated pair…
Pulse generator and method for generating a pulse train
Granted: April 1, 2008
Patent Number:
7352224
A method for generating a pulse train is provided with adjustable start and end times of individual pulses, in which additional clock signals are generated from a 0th clock signal, the signals which in each case have a frequency of the 0th clock signal and whose phase is shifted in each case relative to a phase of the 0th clock signal. Pairs of one first clock signal and one second clock signal are provided, partial pulses are generated from the properties of the first and second clock…
