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

Icon_funbox Bizarre Patents

Patent No. 6711769

Pillow with retractable umbrella

A pillow assembly having a supporting assembly and a retractable umbrella assembly that is easily transportable and allows a user to support his/her head while covering their face from sunlight.

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 326/62 - INTERFACE (E.G., CURRENT DRIVE, LEVEL SHIFT, ETC.)


Subclass of Class 326 - Electronic digital logic circuitry
Definition: Subject matter comprising an intermediate circuit or a coupling
No. of patents: 417
Last issue date: 04/03/2012


1                      
NumberTitleIssue Date
8149016Interface circuit
An interface circuit electronically connects a processor and a card reader. The interface circuit includes a clock circuit, a reset circuit, and an I/O circuit. The clock circuit may transmit a clock signal transmitted from the processor to the card reader, and incl...
04/03/2012
8125244Low voltage electronic module interface
A low voltage electronic module interface, with a low voltage interface for an electronic module receiving a constant current from a body control module, the interface including a reverse current protection circuit 152; and a switch 154 operably connec...
02/28/2012
7986164Integrated circuit with pin-selectable mode of operation and level-shift functionality and related apparatus, system, and method
An apparatus includes a digital interface circuit configured to provide a digital interface. The digital interface is configurable based on a mode of operation of the digital interface circuit. The apparatus also includes input and output level-shift circuits. The i...
07/26/2011
7956641Low voltage interface circuit
An improved interface circuit is provided herein for translating a relatively high input voltage into a relatively low output voltage using only low voltage transistors and a single, low voltage power supply. According to one embodiment, the interface circuit includ...
06/07/2011
7919982Digital interface sensing apparatus
A digital interface sensing apparatus includes a sensor, an analog detecting circuit, an analog to digital (A/D) converter, a signal cable, and an interface switch circuit. The sensor senses an external analog signal. The analog detecting circuit detects the sensed ...
04/05/2011
7915919Digital interface sensing apparatus
A digital interface sensing apparatus includes a sensor, an analog detecting circuit, an analog to digital (A/D) converter, a signal cable, and an interface adjusting circuit. The sensor senses an external analog signal. The analog detecting circuit detects the sens...
03/29/2011
7911231Semiconductor integrated circuit device
A semiconductor integrated circuit device 1 includes a plurality of basic cells 5 each having therein a logic transistor 2 that performs logical operations, and a power switching transistor 3 that can interrupt leakage current when the lo...
03/22/2011
7888966Enhancement of input/output for non source-synchronous interfaces
An interface for use of device whose core circuitry operates in one voltage domain, but exchanges signal with another device (or “host”) according a different voltage domain, and the use of such an interface for supplying data using a double data rate (DDR) tran...
02/15/2011
7852117Hierarchical interface for IC system
An integrated circuit includes an auto-bridging architecture including a first phases block that interfaces to a first user block having a first user signal domain. The first phases block converts the first user signal domain to a common signal domain. A second phas...
12/14/2010
7843220Integrated circuits
An integrated circuit comprises a processor, a controller and plural terminals. Each terminal constitutes a connection between the integrated circuit and a peripheral device. Each terminal is connected to a logic circuit on the integrated circuit by a respective IO ...
11/30/2010
7759975Interface device and information processing system
A first converter circuit converts a state signal, whose level is constant or slowly varies during a predetermine period of time, into a pulse signal to allow the signal to propagate across an electrically insulating area. A second converter circuit converts the pul...
07/20/2010
7714612Integrated circuit with pin-selectable mode of operation and level-shift functionality and related apparatus, system, and method
An apparatus includes a digital interface circuit configured to provide a digital interface. The digital interface is configurable based on a mode of operation of the digital interface circuit. The apparatus also includes input and output level-shift circuits. The i...
05/11/2010
7652503Semiconductor device
A semiconductor device includes an external pin, a control parameter decision circuit, and a register update circuit. The control parameter decision circuit includes a register and an output selector. The register is initialized in accordance with resetting of the s...
01/26/2010
7528628Voltage converter with auto-isolation function
The disclosure relates to a voltage converter, converting a first signal of a first voltage to output a second signal of a second voltage. A level shifter receives the first signal to generate the second signal. An isolation circuit is coupled to the output of the l...
05/05/2009
7436208Carry circuit with power-save mode
A carry circuit having a power-save mode and a method for reducing power consumption of an integrated circuit are described. A power-save input is selected for control select signaling. A voltage level input is selected as an initial carry input. The initial carry i...
10/14/2008
7414429Integration of high-speed serial interface circuitry into programmable logic device architectures
The architecture of a programmable logic device (“PLD”) is modified in one or more of several respects to facilitate inclusion of high-speed serial interface (“HSSI”) circuitry in the PLD. For example, the HSSI circuitry is preferably located along one side ...
08/19/2008
7411439Driver circuit with reduced jitter between circuit domains
A circuit for coupling a logic signal from a circuit input to a circuit output includes a parallel connection of a first circuit branch and a second circuit branch, wherein an inverter in the first branch powered as last inverter in this branch via first supply term...
08/12/2008
7411419Input/output systems and methods
Systems and methods are disclosed herein to provide improved I/O techniques. For example, in accordance with an embodiment of the present invention, an integrated circuit includes a reference circuit adapted to receive a first reference signal and provide a second p...
08/12/2008
7408544Level converter circuit and a liquid crystal display device employing the same
A display device includes a pixel driver circuit. Each of level converter circuits in the pixel driver circuit has: an input terminal supplied with a signal swinging between a first voltage and a second voltage lower than the first voltage; a first first-conductivit...
08/05/2008
7397273Bidirectional logic isolation multiplexing with voltage level translation capability for open-drain circuitry
Voltage level translation for open-drain circuitry is described. A logic isolation circuit includes a first buffer circuit configured for being switched between a first voltage transferable state and a first voltage non-transferable state. A first latch circuit is c...
07/08/2008
7382173Level shift circuit with voltage pulling
A level shift circuit with voltage pulling includes a voltage-pulling circuit and at least one inverter. The voltage-pulling circuit contains a capacitance element, a first switch receiving a first voltage and charging the capacitance element according to a first co...
06/03/2008
7382168Buffer circuit with multiple voltage range
A buffer circuit operative at multiple power supply voltage levels includes first and second buffers, the first buffer being configured for operation with a first voltage source and the second buffer being operative with a second voltage source. The buffer circuit f...
06/03/2008
7368970Level shifter circuit
A level shifter circuit includes a level shifter unit and a latch unit. The level shifter unit receives two complementary input signals and converts the voltage levels of two complementary input signals. The latch unit latches the state of two output nodes before th...
05/06/2008
7365573Mixed-voltage interface and semiconductor integrated circuit
A mixed-voltage interface transfers signals serially between a pair of circuit blocks operating at different voltage levels in a semiconductor integrated circuit. Control, address, and data signals are multiplexed onto a common signal line. The number of necessary s...
04/29/2008
7358950Signal processing circuit, low-voltage signal generator, and image display incorporating the same
There are provided: a first logic operation circuit which performs a logic operation using a high-amplitude logic signal; a transmission system having a load capacitance; and a low-voltage signal generator which is a step-down level shifter transforming an incoming ...
04/15/2008
7352228Method and apparatus of a level shifter circuit with duty-cycle correction
A method and/or a system of control signal synchronization of a scannable storage circuit is disclosed. In one embodiment, a system includes a first circuit to operate based on a first voltage of a first power supply, a second circuit to operate based on a second vo...
04/01/2008
7352213Ac powered logic circuitry
The use of an alternating current (ac) source to power logic circuitry can support satisfactory device performance for a variety of applications, while enhancing long-term stability of the circuitry. For example, when organic thin film transistor (OTFT)-based logic ...
04/01/2008
7352207Output driver with common mode feedback
A complementary metal-oxide semiconductor output driver provides a differential output signal having a particular differential voltage swing and a particular common mode voltage to a differential output node for various types of load circuits coupled to the differen...
04/01/2008
7345510Method and apparatus for generating a reference signal and generating a scaled output signal based on an input signal
An input signal is routed to a first logic one reference signal generator or alternatively routed to a second logic one reference signal generator based at least one a voltage level of the input signal. When the voltage level of the input signal is less than a thres...
03/18/2008
7339415SC circuit arrangement
The invention relates to a linear SC circuit arrangement using integrated deep submicron technology, having at least one switched capacitor circuit which is connected to an input for inputting an input signal and which has at least one switchable capacitor and at le...
03/04/2008
7336117Enhancement of power on reliability in a dual power supply digital device with down converter
A dual power supply digital device includes a down converter for converting an externally applied supply voltage to a regulated first supply voltage for powering a core part of the logic circuitry of the digital device. A second supply voltage source provides a seco...
02/26/2008
7323924Level shifter circuit
A low-power consumption level shifter circuit is provided by preventing a through current which is generated when a level of a signal is changed. In order to prevent a through current which flows when a level of a signal of the input is changed, the p-channel TFTs a...
01/29/2008
7312635Integrated circuit provided with core unit and input and output unit
A core unit implements a predetermined function. An I/O unit controls input from and output to the outside. The core unit and the I/O unit are subject to independent control for supply of power. When power is turned off in the core unit, a signal output from the I/O...
12/25/2007
7310012Voltage level shifter apparatus
A voltage level shifter apparatus is provided. The voltage level shifter apparatus includes a first dynamic-bias generator, a second dynamic-bias generator, and a level supply circuit. The first dynamic-bias generator dynamically outputs a first bias signal, wherein...
12/18/2007
7304524Data interface circuit and data transmitting method
p-channel MOS transistors are turned on alternatively when a positive phase signal and an opposite phase signal each generated from a first voltage signal. Moreover, n-channel MOS transistors are turned on alternatively when a positive phase signal and an opposite p...
12/04/2007
7304502Level shifter and flat panel display comprising the same
A level shifter and a flat panel display comprising the same, with reduced power consumption. The level shifter includes: a first transistor to apply a first voltage to an output terminal in correspondence with a first input signal; a second transistor to apply a se...
12/04/2007
7301386Apparatus for improved delay voltage level shifting for large voltage differentials
A voltage level shifting device for translating a lower operating voltage to a higher operating voltage includes a first input node coupled to a first pull down device and a second input node coupled to a second pull down device. The second node receives a complemen...
11/27/2007
7302505Receiver multi-protocol interface and applications thereof
A receiver multi-protocol interface includes a wide bandwidth amplifier, a data sampling module, and a clocking module. The wide bandwidth amplifier amplifies a first formatted input signal or a second formatted input signal to produce an amplified input signal. The...
11/27/2007
7288982Signal converting circuit
A signal converting circuit includes a voltage level converter circuit, a power circuit, a signal separation circuit, a signal modifying circuit, and a clamping circuit. The power circuit provides voltage to the signal modifying circuit and the voltage level convert...
10/30/2007
7286005Supply voltage switching circuit
A supply voltage switching circuit for a computer includes a chipset, a first transistor, a second transistor, and a third transistor. The chipset includes a first MOSFET and a second MOSFET. A 5V system voltage and a 5V standby voltage are respectively inputted to ...
10/23/2007
1                      
 
Sign InRegister
Username  
Password   
forgot password?