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Class 331/75 - Space discharge or unilaterally conductive device in output network


Subclass of Class 331 - Oscillators
Definition: Subject matter wherein the output coupling network includes
No. of patents: 106
Last issue date: 04/22/2008


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NumberTitleIssue Date
7362151Timing circuits with improved power supply jitter isolation technical background
In accordance with the invention, feed forward compensation of jitter induced by power supply noise is incorporated into the negative feedback control loop of a timing synchronization circuit, such as a phase locked loop or delay locked loop. More particularly, the ...
04/22/2008
7348859Crystal oscillator
A crystal oscillator that outputs an oscillation output signal of an oscillator circuit oscillated by a crystal resonator as a resonation source via a buffer circuit, includes: a plurality of waveform output circuits provided in the buffer circuit, each converting, ...
03/25/2008
7340668Low power cost-effective ECC memory system and method
A memory controller couples 32-bit data words to and from a DRAM. The DRAM generates error checking and correcting syndromes to check and correct read data. The DRAM generates the syndromes from respective 128-bit data words each formed by 4 32-bit data words writte...
03/04/2008
7339854Clock generator
This clock generator comprises an oscillator for generating an alternating current pilot signal and a pulse formatting circuit which is intended to convert the pilot signal from the oscillator into a pulse clock signal having a duty factor of at least approximately ...
03/04/2008
7279995Circuit for controlling the time duration of a signal
A circuit controls the pulse width of an output signal from a voltage controlled oscillator. The voltage controlled oscillator includes a ring oscillator comprising a plurality of series-connected inverters. In one embodiment a selector selects at least one output s...
10/09/2007
7280386Method and system for controlling refresh to avoid memory cell data losses
A DRAM includes a register storing subsets of row addresses corresponding to rows containing at least one memory cell that is unable to store a data bit during a normal refresh cycle. Each subset includes all but the most significant bit of a corresponding row addre...
10/09/2007
7277345Method and system for controlling refresh to avoid memory cell data losses
A DRAM includes a register storing subsets of row addresses corresponding to rows containing at least one memory cell that is unable to store a data bit during a normal refresh cycle. Each subset includes all but the most significant bit of a corresponding row addre...
10/02/2007
7272066Method and system for controlling refresh to avoid memory cell data losses
A DRAM includes a register storing subsets of row addresses corresponding to rows containing at least one memory cell that is unable to store a data bit during a normal refresh cycle. Each subset includes all but the most significant bit of a corresponding row addre...
09/18/2007
7265642User-definable thermal drift voltage control oscillator
A voltage controlled oscillator that includes a slot-cut-microstrip-line coupled between a resonator, a tuning diode network and an active device and being operable to act as a common-coupling capacitor between the resonator, the tuning diode network and the active ...
09/04/2007
7259636Synchronous signal generator using a crystal oscillator and filter
A synchronous signal generator according to the present invention outputs a pulse with low jitter by setting the sine wave output of a crystal oscillator close to an ideal sine wave, and converting it into a pulse signal. By passing the sine wave output from the cry...
08/21/2007
7196586Oscillator amplifier circuit operable to provide symmetric current limiting and method of same
An amplifier circuit operable to provide symmetric current limiting. The amplifier circuit includes a common source amplifier for sourcing a current and receiving an voltage input, a current source, and a current limiting device coupled between the common source amp...
03/27/2007
7184352Memory system and method using ECC to achieve low power refresh
Rows of DRAM memory cells are refreshed at either a relatively high rate during normal operation or a relatively slow rate in a reduced power refresh mode. Prior to refreshing the rows of memory cells, the data are read from the memory cells, and corresponding syndr...
02/27/2007
7177601Method and apparatus for transceiving data using a bimodal power data link transceiver device
A bimodal power data link transceiver device (33) is provided. The device comprises a transceiver integrated circuit (IC) (14); wherein the IC comprises an oscillator (150), a frequency reference port, and a RF output port. A VCO (12) is ...
02/13/2007
7151416Apparatus and method to generate a 50% duty cycle clock in a single-ended crystal oscillator
A clock generator includes an active oscillator portion that generates an oscillating signal having a frequency determined by a resonator, such as a crystal or other type of resonator. A filter or delay module filters or delays the oscillating signal to generate a s...
12/19/2006
7116602Method and system for controlling refresh to avoid memory cell data losses
A DRAM includes a register storing subsets of row addresses corresponding to rows containing at least one memory cell that is unable to store a data bit during a normal refresh cycle. Each subset includes all but the most significant bit of a corresponding row addre...
10/03/2006
7106139Amplification circuit and oscillation circuit including inverter circuits having a same threshold voltage
A first inverter includes a plurality of first gate elements having first gate electrodes which extend in a first direction. A second inverter includes a plurality of second gate elements having second gate electrodes which extend in the first direction. A gate leng...
09/12/2006
7102453Oscillator circuit configuration
The invention relates to an oscillator circuit configuration comprising in an LC-parallel oscillatory circuit and a transistor as an amplifying element. A compensating winding is associated with the parallel oscillatory circuit whereby the collector voltage of the t...
09/05/2006
7099221Memory controller method and system compensating for memory cell data losses
A computer system includes a memory controller coupled to a memory module containing several DRAMs. The memory module also includes a non-volatile memory storing row addresses identifying rows containing DRAM memory cells that are likely to lose data during normal r...
08/29/2006
7093151Circuit and method for providing a precise clock for data communications
An apparatus comprising a circuit configured to (i) generate an output having a frequency and (ii) adjust the frequency in response to a measured duration of a known time interval associated with an input data stream. ...
08/15/2006
7075381Oscillator circuit and oscillator
The present invention relates to a crystal oscillator circuit in which the output level is maintained to prevent changes in oscillation frequency due to variations in power voltage. This crystal oscillator circuit comprises a resonance circuit formed of a crystal os...
07/11/2006
7061338Average controlled (AC) resonator driver
Circuits and methods are given, to realize and implement an oscillator circuit with an Average Controlled (AC) Resonator Driver. A newly introduced additional Field Effect Transistor within a voltage average stabilizing regulation loop controlling the crystal oscill...
06/13/2006
7057434Circuit and method to eliminate startup and shutoff runt pulses from crystal oscillators
A crystal oscillator circuit which does not produce runt pulses when the oscillator is turned on or off. The circuit includes a crystal oscillator, an integrator which integrates the energy in a plurality of pulses, a threshold circuit which is active when the outpu...
06/06/2006
7053721Oscillator having a resonant circuit and a drive circuit
An oscillator includes a resonant circuit generating a resonant signal, a drive circuit that feeds back the resonant signal to the resonant circuit, and an output terminal connected to a given node of the resonant circuit, an oscillation signal of the oscillator bei...
05/30/2006
7053722Voltage controlled oscillator (VCO) with output buffer
An oscillator system is disclosed and includes an oscillator circuit having a differential output producing a differential output signal thereat having a frequency that is a function of an input voltage. The oscillator system further includes an output buffer couple...
05/30/2006
7009459Piezoelectric oscillator having a non-inductive load with a collector-emitter capacitor
A piezoelectric oscillation circuit has a series circuit composed of a capacitor Cbe as a part of a load capacitance and a capacitor Ce inserted and connected between a base of an oscillation transistor TR1 and the ground, and has an emitter resistor Re conne...
03/07/2006
7002422Current-mirrored crystal-oscillator circuit without feedback to reduce power consumption
An oscillator inverter circuit has an input at a first crystal node and drives a second crystal node of a crystal oscillator. The first node is lightly loaded by a gate of an input transistor that generates a buffered node. The buffered node voltage is converted to ...
02/21/2006
6965272Worldwide marketing logistics network including strategically located centers for frequency programming crystal oscillators to customer specification
A worldwide logistics network includes a processing center for receiving customer orders for crystal oscillators over communications links, processing the orders, and generating work orders that are selectively disseminated over communications links to programming c...
11/15/2005
6965537Memory system and method using ECC to achieve low power refresh
Rows of DRAM memory cells are refreshed at either a relatively high rate during normal operation or a relatively slow rate in a reduced power refresh mode. Prior to refreshing the rows of memory cells, the data are read from the memory cells, and corresponding syndr...
11/15/2005
6959066Device for programmable frequency divider
The present invention relates to a programmable frequency divider having one n-bit adder and one n-bit D Flip Flop. These are used to transform the import clock to the target clock. The adder takes one adjustment parameter and one return signal as a basis to create ...
10/25/2005
6954113Programmable oscillator circuit
A programmable crystal oscillator is provided having a memory for storing frequency-defining parameters. Typically, one of these parameters is used to program an adjustable capacitive load circuit coupled to a crystal to thereby adjust the crystal source frequency. ...
10/11/2005
6946920Circuit for locking an oscillator to a data stream
An apparatus comprising a control circuit and a first circuit. The first circuit may be configured to generate a calibration signal in response to an adjustment signal and a first control signal. The control circuit may be configured to generate (i) the first contro...
09/20/2005
6933898Antenna for tire pressure monitoring wheel electronic device
An antenna system for a radio frequency (RF) electronic device includes a printed circuit board (PCB), a ground plane, and an active element. The PCB has a top surface and a bottom surface. The ground plane is on the bottom surface. The active element is mounted on ...
08/23/2005
6927639Method and apparatus for generating high frequency signals by a plurality of low frequency signals with multiple phases
Method and related apparatus for realizing frequency-multiplication by generating a high frequency signal according to a plurality of low frequency signals. The method includes: according to a plurality output signals generated by a phase-locked loop (PLL) or a dela...
08/09/2005
6888417Voltage controlled oscillator
A folded starved inverter differential output apparatus for use in a voltage controlled oscillator includes a first polarity of two transistors that are cross-coupled and a second polarity of four transistors. Also included are two inverter gates and a supply regula...
05/03/2005
6867656Self-dividing oscillators
A system for generating in-phase and quadrature phase signals is provided. The system includes a first and a second differential output, such as from a sinusoidal oscillator. A first injection-locked frequency divider, such as one that uses an LC oscillator in conju...
03/15/2005
6853838Biasing circuit for degenerated differential pair
An improved single-ended input differential pair amplifier stage comprises: 1) a first p-n-p transistor having a base terminal coupled to an input voltage; 2) a first load impedance having a first terminal coupled to a ground reference and a second terminal coupled ...
02/08/2005
6771136System and method for restoring the mark and space ratio of a clocking signal output from an oscillator
A circuit, system, and method are provided for regulating the mark-to-space ratio of a clocking signal. In instances where the mark-to-space ratio is targeted at 1:1 (i.e., a 50% duty cycle), then a regulated signal is formed which will produce a 50% duty cycle when...
08/03/2004
6703905Crystal oscillation circuit
A crystal oscillation circuit using a crystal oscillator comprises an inverting amplifier, a buffer, and a voltage shift circuit. The voltage shift circuit operates in such a way that within prescribed limits by which the output of the inverting amplifier...
03/09/2004
6696898Differential crystal oscillator
A periodic signal generation circuit includes a differential crystal oscillator suitable for integration on a semiconductor substrate. The oscillator utilizes an external crystal as a resonator. The circuit is designed such that differential sinusoidal si...
02/24/2004
6556094Oscillator circuit and integrated circuit for oscillation
An oscillator circuit adapted for a piezoelectric oscillator which has a weak oscillation output for generating high frequencies is provided. The speed of operation of the oscillator circuit is increased. An integrated circuit for such an oscillator circu...
04/29/2003
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