U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Did You Know...

...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 327/108 - Current driver


Subclass of Class 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems
Definition: Subject matter wherein an input signal is modified into
No. of patents: 2448
Last issue date: 05/29/2012


1                      
NumberTitleIssue Date
8188770Method and apparatus for adjusting driver output current and electronic apparatus
According to an aspect of the embodiment, a driver outputs a driver current to a reception LSI, and a receiver included in the reception LSI receives an analog voltage signal corresponding to a value of the driver current as a receiver input. An A/D converter conver...
05/29/2012
8188769Method and apparatus for propagation delay and EMI control
An output switch driving capability booster which may effectively reduce a propagation delay in an output switch with an independently controllable output transition change rate. A delay controller coupled to the output switch may be used to control the propagation ...
05/29/2012
8183893Driver comparator circuit
A first resistor is arranged such that a first voltage is applied to a first terminal thereof, and a second terminal thereof is connected to an input/output terminal. The first voltage is applied to a first terminal of a second resistor. A tail current source genera...
05/22/2012
8183891Semiconductor device
A semiconductor device includes an interface circuit that varies drive ability according to a control signal, and a control circuit that generates the control signal according to a range of an output voltage of the interface circuit. The interface circuit and the co...
05/22/2012
8183892Monolithic low impedance dual gate current sense MOSFET
A power switch includes a first power transistor having a first source electrode, a first gate electrode, and a first drain electrode, and a second power transistor having a second source electrode, a second gate electrode, and a second drain electrode. The power sw...
05/22/2012
8179168Three-phase generator for motor control
A pulse generator that can generate pulses separated by 120 degrees phase on each of three separate phase output leads for use with a 3-phase motor power driver. These output pulses can be of any desired frequency and voltage. In a particular embodiment of the inven...
05/15/2012
8179169Driving circuit with variable resistor for transistor
A switching circuit includes: a transistor having a first electrode, a second electrode and a control electrode; a zener diode; and a capacitor. A connection between the first electrode and the second electrode is capable of temporally switching between a conduction...
05/15/2012
8174296Buffer circuit having switch circuit capable of outputting two and more different high voltage potentials
A buffer circuit includes a first power source node receiving a first voltage, a second power source node receiving a second voltage lower than the first voltage, an output node driving the first and second voltage, a first transistor coupled between the first power...
05/08/2012
8174295Circuit for discharging an electrical load, power output stage comprising such a discharge circuit for the control of plasma display cells; and related system and method
An embodiment of a discharge circuit comprises an output circuit with one output connected to an electrical load to absorb a discharge current given by the load when a logic signal commands a discharge of the load. The discharge circuit also comprises a control circ...
05/08/2012
8174294Configurable buffer circuits and methods
A buffer circuit includes a current source circuit, first and second switch circuits that are coupled to the current source circuit, a first resistor coupled to the first switch circuit, a second resistor coupled to the second switch circuit, and a third switch circ...
05/08/2012
8164365Non-resistive load driver
Embodiments of the invention relate to a method and apparatus to drive non-resistive loads. The non-resistive load driver may include two or more drivers, such as a high-drive circuit and a low-drive circuit, to drive rail-to-rail output voltages and to stabilize th...
04/24/2012
8159273Transmission circuit
A transmission circuit including a first circuit outputting a first signal based on an input data, a second circuit outputting a second signal based on the input data, where each of the first signal and the second signal functions as a differential signal, a correct...
04/17/2012
8159274Signaling with superimposed clock and data signals
A data transmission circuit includes a clock driver to obtain a clock signal having a first rate and to drive the clock signal onto one or more transmission lines. The data transmission circuit also includes a timing circuit to obtain the clock signal and to generat...
04/17/2012
8154322Apparatus and method for HDMI transmission
Apparatus and methods are disclosed, such as those involving a high frequency transmitter. One such apparatus includes a pre-amplifier configured to receive an input signal via an input node; and a capacitor block electrically coupled between the pre-amplifier and a...
04/10/2012
8154323Output driver operable over wide range of voltages
An output driver includes a pull-up circuit and a pull-down circuit coupled to an output terminal and a capacitor having a first terminal coupled to a gate terminal of a P-channel transistor of the pull-up circuit and a second terminal configured to receive a drive ...
04/10/2012
8149026Driver circuit and adjustment method therefor
A driver circuit includes an output section; a voltage-dividing section configured to divide a first voltage at a coupling point between the output section and a termination resistor; a comparison section configured to compare a voltage difference with one of the fi...
04/03/2012
8149025Gate driving circuit
An exemplary gate driving circuit is adapted for receiving an external gate power supply voltage and an external control signal, sequentially generating multiple internal shift data signal groups and thereby sequentially outputting multiple gate signals. Each of the...
04/03/2012
8149024Dual function voltage and current mode differential driver
A dual function differential driver includes a voltage mode differential driver portion and a current mode differential driver portion. Control circuitry is connected to the voltage mode differential driver portion and the current mode differential driver portion. T...
04/03/2012
8149023RF buffer circuit with dynamic biasing
An RF buffer circuit for a voltage controlled oscillator (VCO) includes dynamic biasing circuitry to selectively flip the phase of the output voltage waveform. In a CMOS implementation, a PMOS/NMOS pair is employed in an output path. During a high (voltage) swing mo...
04/03/2012
8143924Semiconductor integrated circuit device having pulse generating circuits
There is provided a circuit whose output is free from high impedance to improve wrong transmission and waveform overshoot, realizing a semiconductor integrated circuit device in which plural channels is integrated with transmitter circuit as unit channel, in the tra...
03/27/2012
8138805Complementary high voltage switched current source integrated circuit
A complementary high voltage switched current source circuit has a complementary current source pair, wherein a first of the current source pair is coupled to a positive voltage rail and a second of the current source pair is coupled to a negative voltage rail. A di...
03/20/2012
8134388Low EMC/EMI emissions' gate driver for wide supply voltage ranges
A method controls a power MOS transistor having a control terminal and a load path, the load path connected in series with a load between voltage supply terminals, wherein a power supply voltage between the voltage supply terminals imposes a load voltage across the ...
03/13/2012
8130012Buffer circuit of semiconductor integrated apparatus
A buffer circuit of a semiconductor integrated apparatus includes a control block configured to output a result of comparing an input voltage level and an output voltage level as a control signal, and a buffering block configured to generate an output voltage having...
03/06/2012
8130013Driving circuit of input/output interface with changeable output force
A driving circuit of an input/output (I/O) interface is provided. The driving circuit includes a main output stage and an enhancing unit. The main output stage receives at least one driving signal and outputs an output signal corresponding to an input signal accordi...
03/06/2012
8120390Configurable low drop out regulator circuit
A low drop out voltage regulator (LDO) is capable of operating in one of two different modes based on externally connected components. In one mode, the LDO directly generates a regulated output voltage. In a second mode, the LDO drives an external PNP transistor to ...
02/21/2012
8120391Circuit arrangement including a voltage supply circuit and semiconductor switching element
A circuit arrangement comprising a first semiconductor switching element, which has a load path and a drive terminal. A voltage supply circuit, is provided including an inductance connected in series with the load path of the first semiconductor switching element, a...
02/21/2012
8115520Driver circuit
A driver circuit includes a main driver which receives an input signal and outputs a first signal corresponding to the input signal, a sub driver which receives the input signal and outputs a non-inverted signal and an inverted signal corresponding to the input sign...
02/14/2012
8106684High-speed low-voltage differential signaling system
A system and a method for communicating data at a rate exceeding about a gigabit per second is described. The system may include circuitry and a current-sourcing module. The circuitry may include an output couplable to a load. The circuitry may output from the outpu...
01/31/2012
8106685Signal receiver and voltage compensation method
A signal receiver includes a first input terminal, a second input terminal, a first transistor, a second transistor and a variable load. The first and the second transistors each include a gate electrode, a first electrode and a second electrode. The gate electrode ...
01/31/2012
8102193Current sensing circuit
A current sensing circuit includes a power transistor, a sensing transistor configured to copy a current flowing through the power transistor at a predetermined ratio, a current sensing resistor configured to detect a voltage from the current copied by the sensing t...
01/24/2012
8102192DC brushed motor drive with circuit to reduce di/dt and EMI, for MOSFET Vth detection, voltage source detection, and overpower protection
A gate driver for performing gate shaping on a first transistor of having gate, source, and drain terminals, the first transistor being selected from a switching stage of a power switching circuit having high- and low-side transistors series connected at a switching...
01/24/2012
8093927Semiconductor device including a test circuit of a multivalued logic circuit having an impedance control
A semiconductor device, having a test circuit of a multivalued logic circuit without newly provision of an output terminal for a test signal, and with no increase in transmission delay in an output signal, includes an n-valued input terminal, and comparators that op...
01/10/2012
8093926Physical quantity detection circuit and physical quantity sensor device
A physical quantity detection circuit (12) is used for a physical quantity sensor (10) that outputs a sensor signal according to a physical quantity given externally. In the physical quantity detection circuit (12), an analog-to-digital converte...
01/10/2012
8093924Low side driver
An output driver circuit has an input, an output node, and first and second transistors coupled in series between the output node and a first source of operating potential. Parasitic diodes of the first and second transistors are anti-serially coupled. The output dr...
01/10/2012
8093925Current driver circuit
An integrated regulated current drive circuit for driving a squib of an inflatable airbag has a current sense resistor connected in series with a load, and a reference resistor connected in series with a reference current source. Both resistors are matched to define...
01/10/2012
8089303High-voltage solid-state switch
A solid-state switch according to the invention is designed to be connected in series with a load. The switch comprises at least two electric switching means connected in parallel, measuring means designed to measure an electric voltage at the terminals of the elect...
01/03/2012
8081016Input buffer
An input buffer includes a driving signal generation unit, a comparison signal generation unit, and a driving unit. The driving signal generation unit is configured to generate first and second driving signals which are selectively enabled in response to a control s...
12/20/2011
8067964Output circuit
The present invention is aimed at providing an output circuit that is of relatively small scale and may perform adjustment to make the output-signal rise slew rate and the fall slew rate equal to each other. An output circuit includes a signal output unit configured...
11/29/2011
8063670High voltage high side transistor driver
A transistor driver includes a sender module configured to generate a power input signal. A converter module includes a transformer including a first side and a second side. The first side of the transformer is configured to receive the power input signal. A rectifi...
11/22/2011
8054108Transmission device having emphasis function
A transmission driver including a main driving stage and a sub-driving stage is provided. The main driving stage has a main current source, and is adapted for receiving a first differential input data stream and outputting a differential output data stream by using ...
11/08/2011
1                      
 
Sign InRegister
Username  
Password   
forgot password?