Oil exchange timing indicating apparatus for vehicles
An oil exchange timing indicating apparatus for vehicles capable of informing a user of an exchange timing of oil on the basis of the degree of degradation of...
Tire localization system
A tire localization system for locating the position of a tire of a vehicle having five or more wheels, includes a number of tire pressure monitoring system...
Automatic warning and breaking system for vehicle
An automatic warning and breaking system for a vehicle, includes a plurality of cameras, a motion sensor, a data process unit, an alarm unit, a control unit and...
Range extending positive repeater
A method for extending a reception range of a vehicle remote control system includes: receiving, at a repeater, a first radio frequency (RF) signal having...
Method and system for controlling an ignition switch and an operational
state of a vehicle
Methods and systems for controlling an operational state of a vehicle having a keyless rotary ignition switch and a locking mechanism coupled to the keyless...
Vehicular theft preventing device
Vehicular theft preventing device includes: an operation switch for switching between different displays on a display section, the operation switch being...
Safety system and method for conventional lighting fixtures
A safety device is incorporated within conventional lighting fixtures, such as table lamps, floor lamps, wall lighting fixtures, ceiling lighting fixtures,...
Drug management systems
A system to electronically assist health care professionals quickly and efficiently calculate dosages and infusion rates for emergency drugs. The system...
Remote control transmitter and transmitting-receiving system
A remote control transmitting and receiving system for operating electric equipment with little operational misjudgment or malfunction. By setting a plurality...
RFID tag circuits tags and methods for backscattering with controllable
RFID tag circuits, tags, and methods are provided for backscattering a received RF wave using a controllable admittance difference between the ON state and the...
Insulation alement and toroidal core throttle
A toroidal core choke includes a toroidal core and an insulating part. The insulating part includes a separating device for separating winding spaces on the...
Coil magnets with constant or variable phase shifts
A wiring assembly having a conductor positioned about an axis in a helical-like configuration to provide a repetitive pattern which rotates around the axis. In...
Foil winding pulse transformer
A pulse transformer arrangement (100) is built from an uncut pulse transformer core (110) and at least one foil winding (120-A, 120-B) (each) comprising...
Multi-sectional bobbin for high voltage inductor or transformer
Improved multi-sectional bobbin designs described herein define a channel suitable to accommodate a portion of the wire that transits from prior winding section...
An electrically insulating bobbin surrounds the magnetic core of an inductor. The bobbin includes a number of channels to receive wire for making an inductor....
Gull wing surface mount magnetic structure
A magnetic device is provided for placement on the top surface of a printed circuit board with surface mount connection on the bottom surface. The circuit board...
Transient voltage and harmonic currents quashing (THQ) transformers,
transformer winding topology, and method...
Different configurations of transient voltage quashing (TQ) transformers, harmonic current quashing (HQ) transformers, and transient voltage and harmonic...
Encapsulated switches employing mercury substitute and methods of
Encapsulated switches are disclosed which substitute non-toxic gallium alloy for mercury. In one embodiment, wetting of the interior surfaces of the housing is...
Epoxy sealed relay
A relay assembly is provided that includes an intermediate member to aid in coupling a wire to a housing.
Electricity meter contact arrangement
At least one electrical contactor is provided that includes a fixed contact and a movable contact. The fixed contact includes a center leg and first and second...
Button system for industrial AC/DC relays
A button system for industrial AC/DC relays comprising a casing (10), a button (5), a driving block (7), an indication board (8) and a core propelling block...
System and method for improving performance of coplanar waveguide bends at
An apparatus including a liquid crystal polymer substrate having a top surface and a bottom surface, a coplanar waveguide formed on the top surface of the...
A low-pass filter (10) includes an input portion (100) for input of an electromagnetic signal, an output portion (120) for output of the electromagnetic signal,...
Simultaneous switching noise filter architecture and method
The present invention is directed to a transmission line assembly and method of propagating signals therethrough that features forming transmission lines of the...
Elastic wave filter
The object of the present invention is to provide an elastic wave filter capable of suppressing deterioration of a pass band and realizing to downsize. In the...
MEMS resonator including main and sub movable beams, and exciting
electrodes excited by alternating-current signal
A MEMS resonator includes a main movable beam, at least one sub movable beam, and at least one exciting electrode. The main movable beam is electrically...
Anchor/support design for MEMS resonators
Micro-Electro-Mechanical Systems (MEMS) resonator designs having support structures that minimize or substantially reduce anchor losses, thereby improving a...
In a band-pass filter of a delay line, an input terminal and a first resonator adjacent to the input terminal are coupled through a capacitor. The first...
Temperature compensation attenuator
A temperature compensation attenuator formed from a base, a serial film thermistor having two ends, a parallel film resistor, an input terminal, and an output...
Methods and devices for compensating a signal using resonators
Compensation of a signal using resonators as well as related methods and devices are described. Some embodiments include methods and devices for performing...
Semiconductor device and wiring part thereof
A technique capable of achieving both improvement of mounting density and noise reduction for a semiconductor device is provided. An LSI mounted on a printed...
Phased-locked loop (PLL) synthesizer-synthesizer with improved
voltage-controlled oscillator (VCO) pre-tuning
An apparatus for providing Phased-Locked Loop (PLL) synthesis comprises a phase detector, at least one switchable filter, an oscillator controlled by a control...
Non-linear crystal oscillator capacitive load circuits
A load circuit for a crystal oscillator includes a plurality of capacitors and a load control circuit configured to selectively add the capacitors to a load at...
Low-jitter phase-locked loop
A phase-locked loop (PLL) with a decreased frequency tuning gain K.sub.VCO and a loop filter using capacitor multiplication technique to get high chip area...
Dual reference phase tracking phase-locked loop
A phase-locked loop circuit having a dual-reference input and a phase detector. The dual-reference input is configured to accept both a rising edge of an input...
High frequency module and operating method of the same
According to one embodiment, provided is a high frequency module comprising: a semiconductor device; an input matching circuit; an output matching circuit; a...
Converter with parallel coupled differential input pairs
A circuit for converting first and second differential input signals into an output signal is provided with a first differential input stage comprising first...
Detector circuit and system for a wireless communication
Provided are a detector circuit which has a simple circuit configuration, is capable of indicating an accurate power according to a load fluctuation of a radio...
RF power amplifier
A reduction is achieved in the primary-side input impedance of a transformer (voltage transformer) as an output matching circuit without involving a reduction...
Output compensated voltage regulator, an IC including the same and a
method of providing a regulated voltage
A voltage regulator, a method of regulating voltage and an IC including a voltage regulator. In one embodiment, the voltage regulator includes: (1) a DC...
Db-linear process-independent variable gain amplifier
An amplifier is provided with continuously-variable analog control that exhibits a highly linear gain control curve in db/volts, while preserving high dynamic...
Input system for a variable gain amplifier having class-AB
A variable gain amplifier includes an attenuator having a plurality of pairs of tap points, and a plurality of pairs of gm cells, wherein each pair of gm cells...
Cross-coupled low noise amplifier for cellular applications
Cross-coupled low noise amplifier for cellular applications. A circuitry implementation that includes two pairs of metal oxide semiconductor field-effect...
Class D amplifier control circuit and method
Circuit and method for a Class D amplifier. In one exemplary embodiment, an audio amplifier is disclosed. A closed loop configuration for driving high and low...
Power supply providing ultrafast modulation of output voltage
A power supply for providing a modulated output voltage to a load is disclosed. According to various embodiments, the power supply comprises a plurality of...
Modulated audio amplifier output enable control
A modulated amplifier output enable control eliminates audible pops when enabling and disabling an audio amplifier output stage. The output of the audio...
Class D amplifier circuit
A pulse monitor circuit detects the presence or non-presence of the output pulses output from an output stage circuit. The pulse monitor circuit outputs an up...
Amplifier, amplifying method, and filter
An amplifier is provided which includes: a first variable capacitance device of which capacitance is variable, a second variable capacitance device of which...
Switched capacitor notch filter
A switched capacitor notch filter for sampling an input signal using multiple sampling capacitors and multiple non-overlapping time periods. The charge from the...
Voltage supply with low power and leakage current
In a semiconductor integrated circuit device, a circuit block has a first MOS transistor, and a leakage current control circuit having a second MOS transistor...