Control apparatus for controlling power conversion apparatus
The control apparatus is for controlling a power conversion apparatus with a chopper circuit including at least one voltage-controlled type switching element...
Rectifier with PAM controller to force an input current to approximate a
An electric power supply circuit includes a diode bridge circuit (12) for rectifying an alternating current, a switching element (S) for causing a short-circuit...
High voltage power supply
A high voltage power supply may include a switching unit, a voltage resonant unit, a connection part, a rectifier unit, a voltage amplifying unit, a voltage...
A circuit arrangement for limiting excessive voltages by a forward delay time of a first diode is described. The first diode is alternately switched in a...
Phase angle measurement of a dimming circuit for a switching power supply
An example controller for a switched mode power supply includes a zero-crossing detector, a feedback reference circuit, and a drive signal generator. The...
Power supply control circuit for an inductive coil used to heat a tool
A circuit 1 for controlling the supply of electrical power to an induction coil 2, in particular to an induction coil 2 for heating a shrink attachment for...
Measurement apparatus, test apparatus, and measurement method
Provided is a transformer, comprising a first winding and a second winding that interlink with a main magnetic flux; and a third winding that interlinks with a...
Smart driving method for synchronous rectifier and its apparatus thereof
The present invention discloses a smart driving method for a secondary synchronous rectifier of an isolated converter and its apparatus thereof. The apparatus...
Utilization of a multifunctional pin to control a switched-mode power
An embodiment of the invention relates to a power converter including a resistor divider with an internal node to sense an input line voltage. The internal node...
High power factor isolated buck-type power factor correction converter
A regulated power factor corrected power supply apparatus is provided. The apparatus includes an input rectifier circuit for receiving an input AC voltage and...
Switching power supply device and method for adjusting dead time thereof
A resonant switching power supply device includes: a first switching element and a second switching element which are configured to convert and adjust power. A...
Compensating for cord resistance to maintain constant voltage at the end
of a power converter cord
A cord correction circuit in a primary-side-controlled flyback converter compensates for the loss of output voltage caused by the resistance of the charger...
Apparatus, method, and computer program for using a driver wheel to
provide a plurality of housing configurations
Described herein is an apparatus having first and second housings and a driver wheel. The first and second housings are coupled together so that they can be...
Transponder and tool for reading and/or writing data in said transponder
A transponder includes an integrated circuit (1) and an antenna (5) which is electrically connected to the integrated circuit (1) in a removable manner, the...
Electrical connector having height-adjustable member
An electrical connector comprises an insulative housing, a plurality of terminals and a rigid height-adjustable member. The insulative housing defines a mating...
Device with button guiding element
A device with a button guiding element comprises a device substance, a button, a button guiding element, and a circuit board. The device substance has a button...
Serial connection external interface riser cards avoidance of abutment of
parallel connection external...
A first riser card of an apparatus in an example substantially axially connects with a first serial connection external interface of a printed circuit board...
Circuit device and method of manufacturing the same
Provided is a circuit device, in which circuit elements incorporated are electrically connected to each other via a lead so as to achieve both of the enhanced...
Chip package structure with shielding cover
A chip package structure with a shielding cover includes a substrate, a chip, a pair of first passive components, a pair of second passive components, and a...
Semiconductor device package with internal device protection
An integral impedence is formed on or within a lead frame pin of a semiconductor package and receives a connection from an electrode of a semiconductor die...
Method and apparatus for spatially optimizing surface mount pads on a ball
grid array package
Method and apparatus for spatially optimizing the arrangement of surface mount pads on a ball grid array package. An array containing T surface mount pads with...
Integrated circuit package system
An integrated circuit package system includes: connecting a carrier and an integrated circuit mounted thereover; mounting an interposer, having an opening, over...
Integrated circuit with intra-chip clock interface and methods for use
An integrated circuit includes a substrate. A first integrated circuit die includes a first circuit and a first intra-chip clock interface that transmits a...
Printed circuit board and method of manufacturing the same
A mounting region having a rectangular shape is provided at an approximately center of one surface of an insulating layer. A plurality of conductive traces are...
Proximity communication package for processor, cache and memory
A "sombrero" bridge transports signal communication between a processor and one or more cache memories. The bridge surrounds the processor's perimeter, and...
USB package with bistable sliding mechanism
A USB device including a bistable mechanism that serves to bias a plug connector into one of two stable states, where the first stable state is associated with...
A portable terminal characterized by comprises: a first substrate; a double-sided tape adhered to a prescribed portion of said first substrate; a second...
Multi-layer printed wiring board, electronic device, and fabrication
method of electronic device
There is provided a multi-layer printed wiring board that can perform impedance control, concurrently maintaining the flexibility of a flexible portion with one...
Flexible printed circuit board and liquid crystal display having the same
In a flexible printed circuit board and a liquid crystal display, the liquid crystal display includes a flexible printed circuit board electrically connecting a...
Micro-SD to secure digital adaptor card and manufacturing method
A microSD-to-SD adaptor card includes a base substrate having a lead frame structure, a protective cap forming a chamber that encloses eight microSD contact...
Single shot molding method for COB USB/EUSB devices with contact pad ribs
A dual-personality extended USB (EUSB) system supports both USB and EUSB memory cards using an extended 9-pin EUSB socket. Each EUSB device 101 includes a PCBA...
Module mounting system
An apparatus (10) comprises a module (12); a chassis (30) into which the module (12) is able to be inserted; and a first resilient member (38). The resilient...
Provided is a circuit device capable of increasing the packaging density and preventing the thermal interference between circuit elements to be incorporated. In...
Fixation structure for connector of in-vehicle controller
A connector fixation structure includes: a connector having a rectangular connector body, protrusions protruding from facing sides in a wing like manner, and a...
Electric unit having capacitor
A PCU has an inside sealed by a case made of aluminum and a bottom plate. Interior space of the PCU accommodates an IPM, a control substrate, and a capacitor....
Base for power module
A power module base includes a heat radiation substrate formed of a high-thermal-conduction material, an insulating substrate joined to an upper surface of the...
Airflow barriers for efficient cooling of memory modules
Method and apparatus providing airflow through a chassis including an upstream column of memory modules and a downstream column of memory modules. The airflow...
An electronic device is provided, including a first body, a second body, an axle assembly, a supporting frame, a display panel, a lens unit and a reflective...
An electronic device including a case, a fan module and a transparent cover is provided. The fan module including a fan and a fin set is disposed in the case....
Drive bezel connector couplings
An information handling system (IHS) includes an IHS chassis defining a drive bay. A processor is located in the IHS chassis. A drive chassis is located in the...
System and method for information handling system keyboard stowage
A portable information handling system's integrated keyboard stows keys into a retracted position when the portable information handling system transitions from...
Information processing apparatus having switch for inputting key data
An information processing apparatus includes a housing with a top surface and a rear surface, a CPU (central processing unit) provided in the housing, a...
Multi-functional switch assembly and portable electronic device using the
A multi-functional switch assembly and a portable electronic device are disclosed. The portable electronic device includes a housing, a cover, a switch, a base...
An electronic device having a small size and improved in sensing ability is provided. A mobile phone 1 includes a first housing 2 having a housing opening 2h; a...
Cooling system for high voltage systems
A cooling system for a high voltage system can include a high voltage supply and an electrical component coupled to the high voltage supply. The electrical...
Large format ultracapacitors and method of assembly
A capacitor includes a plurality of electrode substrates, with each of the plurality of electrode substrates having a coated portion and an uncoated portion....
Ceramic electronic component and method for manufacturing the same
A ceramic electronic component that is hardly influenced by a stress generated when an external electrode containing a metal sintered compact is formed at the...
Monolithic ceramic electronic component and method of manufacturing
monolithic ceramic electronic component
A monolithic ceramic electronic component includes a laminate including a plurality of stacked ceramic layers and a plurality of internal electrodes extending...
Multi-layer ceramic capacitor and manufacturing method thereof
A multi-layer ceramic capacitor, which has an internal electrode of good continuity and may be obtained at a relatively low cost, is disclosed. The internal...
Micro electromechanical capacitive switch
A capacitive switch for microelectromechanical systems (MEMS) comprises a topmost metal plate which extends across a bridge structure formed by a polymer layer....