ESD PROTECTION FOR MEMS RESONATOR DEVICES
Granted: April 24, 2014
Application Number:
20140113396
Disclosed herein are MEMS resonator device designs and fabrication techniques that provide protection against electrostatic charge imbalances. In one aspect, a MEMS resonator device includes a substrate, an electrode including a first microstructure supported by the substrate, a resonant element including a second microstructure spaced from the first microstructure by a gap for resonant displacement of the second microstructure within the gap during operation, and a disabled shunt…
Infusion Rotary Peristaltic Pump
Granted: March 20, 2014
Application Number:
20140081202
An infusion pump comprises at least three operating layers. A first layer includes epicyclic gear means comprising a rotatable central gear, a stationary outer ring gear, and movable planet gears arranged between the central gear and the ring gear in movable engagement with the central and ring gears. A second layer includes roller bearing means comprising a stationary outer ring and a movable inner roller arrangement in movable arrangement with the outer ring and coupled with the…
CONSTANT VOLTAGE SUPPLY CONSTRUCTED USING A CONSTANT CURRENT BOOST CONTROLLER
Granted: March 13, 2014
Application Number:
20140070783
A constant voltage supply uses a constant current boost switching controller to generate an output voltage having a substantially constant voltage magnitude. The constant voltage supply thus constructed realizes fast transient response with small output capacitance.
Bi-Directional Comparator
Granted: December 19, 2013
Application Number:
20130335119
A bi-directional comparator compares two input signals and applies a hysteresis level to the smaller input signal only after the output signal switches logical states and when the two input signals are within a predetermined range of each other. In one embodiment, the hysteresis applied to the smaller input signal is removed when the two input signals are no longer within the predetermined range of each other.
METAL-ON-PASSIVATION RESISTOR FOR CURRENT SENSING IN A CHIP-SCALE PACKAGE
Granted: December 19, 2013
Application Number:
20130334663
A current sense resistor integrated with an integrated circuit die housed in a chip-scale semiconductor package includes a metal layer formed over a passivation layer of the integrated circuit die where the metal layer having an array of metal pillars extending therefrom. The metal pillars are to be electrically connected to a first conductive electrode and a second conductive electrode external to the chip-scale semiconductor package where the first conductive electrode and the second…
Current Sensing Using a Metal-on-Passivation Layer on an Integrated Circuit Die
Granted: December 19, 2013
Application Number:
20130334662
A current sense resistor integrated with an integrated circuit die where the integrated circuit die is housed in a flip-chip semiconductor package includes a metal layer formed over a passivation layer of the integrated circuit die where the metal layer having an array of metal pillars extending therefrom. The metal pillars are electrically connected to a first leadframe portion and a second leadframe portion of the semiconductor package where the first leadframe portion and the second…
LDMOS TRANSISTOR WITH ASYMMETRIC SPACER AS GATE
Granted: November 28, 2013
Application Number:
20130316508
The present invention provides a laterally diffused metal oxide semiconductor (LDMOS) transistor and a method for fabricating it. The LDMOS transistor includes an n-type epitaxial layer formed on a p-type substrate, and an asymmetric conductive spacer which acts as its gate. The LDMOS transistor also includes a source and a drain region on either side of the asymmetric conductive spacer, and a channel region formed by ion-implantation on the asymmetric conductive spacer. The height of…
PUMP AND PREFILLED BAG/ANAESTHESIA - ANALGESIA SET
Granted: November 7, 2013
Application Number:
20130296784
The invention is directed to an analgesia and/or an anesthesia drug/device, system and an analgesic and/or an anaesthetic method utilizing a drug storage bag prefilled pharmaceutically or in a pharmaceutical compounding facility with a drug which system or method involves long-term stability of the thug prefilled storage bag, thus enabling the simplification of both, home treatment and hospital treatment procedures, in particular, the system or method is utilizing a storage bag…
Noise Discriminator for Passive Optical Network Burst Mode Receiver
Granted: October 24, 2013
Application Number:
20130279905
A noise discriminator circuit and a noise discrimination method in a burst mode receiver is configured to determine the validity of an incoming burst signal by analyzing the timing of the signal edges of incoming signal to look for a time duration conforming to the preamble data bits of a valid burst signal. In one embodiment, the noise discriminator circuit and method analyze the time duration between signal edges of the same pulse of an incoming signal. In another embodiment, the noise…
Noise Discriminator for Enhanced Noise Detection In A Passive Optical Network Burst Mode Receiver
Granted: October 24, 2013
Application Number:
20130279903
A noise discriminator circuit and a noise discrimination method in a burst mode receiver is configured to determine the validity of an incoming burst signal by analyzing the timing of the signal edges of incoming signal to look for a time duration conforming to the preamble data bits of a valid burst signal. In one embodiment, the noise discriminator circuit and method analyze the time duration between signal edges of the same pulse of an incoming signal. In another embodiment, the noise…
PHARMACEUTICAL BLEND INFUSION THEREOF AND PARKINSON'S DISEASE MONITORING SYSTEM
Granted: October 17, 2013
Application Number:
20130274654
The invention relates to a system for administring drug to a Parkinson's disease patient comprising (a) a drug; (b) a storing bag for the drug; (e) a pump for administering the drug; (d) a pump controller for controlling the pump activity, the pump controller having access to a correlation of a first parameter tx and a second parameter At, and to the current first parameter tx, wherein the first parameter tx is correlated with a certain activity of the patient and the second parameter At…
CONFIGURABLE MULTI-MODE PWM CONTROLLER
Granted: September 26, 2013
Application Number:
20130249511
A multi-mode pulse width modulation (PWM) controller for a buck switching regulator includes a multi-mode PWM control circuit where the PWM control circuit is configured to operate in one of multiple control schemes selectable by a mode select signal. In one embodiment, the multi-mode PWM control circuit incorporates a peak current mode control scheme, a voltage mode control scheme, and a valley current mode control scheme. In another embodiment, the multi-mode PWM control circuit…
EXTENDED DRAIN LATERAL DMOS TRANSISTOR WITH REDUCED GATE CHARGE AND SELF-ALIGNED EXTENDED DRAIN
Granted: September 19, 2013
Application Number:
20130244390
A method to form a LDMOS transistor includes forming a gate/source/body opening and a drain opening in a field oxide on a substrate structure, forming a gate oxide in the gate/source/body opening, and forming a polysilicon layer over the substrate structure. The polysilicon layer is anisotropically etched to form polysilicon spacer gates separated by a space in the gate/source/body opening and a polysilicon drain contact in the drain opening. A body region is formed self-aligned about…
Last Gasp Hold-Up Circuit Using Adaptive Constant On Time Control
Granted: September 19, 2013
Application Number:
20130241503
A hold-up circuit coupled to a first node to receive an input voltage and to provide a hold-up voltage includes an inductor, a constant on-time buck-boost control circuit configured to drive a high-side power switch and a low-side power switch to operate in a buck mode and a boost mode of operation, and an energy storage capacitor. When the input voltage is greater than a predetermined threshold, the buck-boost control circuit is configured in the boost mode to drive the low-side power…
SINGLE FIELD ZERO MASK FOR INCREASED ALIGNMENT ACCURACY IN FIELD STITCHING
Granted: September 12, 2013
Application Number:
20130236835
A method for stitching a first field mask to a second field mask on a wafer includes providing a photomask with a first set of targets and a second set of targets, printing images of the first set of targets and the second set of targets onto the wafer where the photomask is applied to the wafer having no previous alignment marks formed thereon for the photomask to align to. A first set of alignment marks is formed from the first set of targets and a second set of alignment marks is…
Battery Charger Voltage Control Method For Instant Boot-Up
Granted: September 12, 2013
Application Number:
20130234677
A battery charger voltage control method dynamically adjusts the system voltage generated by a battery charger circuit based on the operating conditions to ensure that sufficient power is supplied to power up the circuitry of the electronic device when the battery charger circuit is connected to a current-limited power source and the battery of the electronic device is deeply depleted or is missing. In embodiments of the present invention, the battery charger voltage control method sets…
Ethernet Communication Device with Reduced EMI
Granted: September 5, 2013
Application Number:
20130229926
A network device includes a physical layer transceiver configured to receive incoming data on a data link at an input clock rate and to store the incoming data in a buffer. The physical layer transceiver includes a Media Independent Interface (MII) controller configured to receive the incoming data stored in the buffer and to transmit the incoming data over a MII bus based on a MII clock where the MII clock is a spread spectrum clock. The network device further includes a Media Access…
High Bandwidth PSRR Power Supply Regulator
Granted: July 11, 2013
Application Number:
20130176006
A voltage regulator includes a power device formed by an NMOS transistor having a drain terminal coupled to an input voltage, a source terminal providing an output voltage and a gate terminal receiving a gate drive signal; and an integrated AC/DC control loop configured to access the output voltage and to generate the gate drive signal based on a value of the output voltage in relation to a first reference voltage and a second reference voltage. The AC control portion generates a gate…
Step-Down Hysteretic Current LED Driver Implementing Frequency Regulation
Granted: May 23, 2013
Application Number:
20130127361
A step-down hysteretic current LED driver circuit implements frequency regulation to adjust the hysteresis levels of a hysteretic comparator in the control circuit of the LED driver to keep the switching frequency of the inductor current constant. More specifically, the switching frequency of the inductor current is kept constant by increasing or decreasing the hysteresis window of the hysteretic comparator. In this manner, the switching frequency of the LED driver is kept constant or…
Extended Drain Lateral DMOS Transistor with Reduced Gate Charge and Self-Aligned Extended Drain
Granted: April 4, 2013
Application Number:
20130082335
A method to form a LDMOS transistor includes forming a gate/source/body opening and a drain opening in a field oxide on a substrate structure, forming a gate oxide in the gate/source/body opening, and forming a polysilicon layer over the substrate structure. The polysilicon layer is anisotropically etched to form polysilicon spacer gates separated by a space in the gate/source/body opening and a polysilicon drain contact in the drain opening. A body region is formed self-aligned about…
