Patent application number | Description | Published |
20140169066 | RESISTIVE MEMORY SENSING - The present disclosure includes apparatuses and methods for sensing a resistive memory cell. A number of embodiments include performing a sensing operation on a memory cell to determine a current value associated with the memory cell, applying a programming signal to the memory cell, and determining a data state of the memory cell based on the current value associated with the memory cell before applying the programming signal and a current value associated with the memory cell after applying the programming signal. | 06-19-2014 |
20150194212 | Memory Systems and Memory Programming Methods - Memory systems and memory programming methods are described. According to one arrangement, a memory system includes a memory array comprising a plurality of memory cells individually configured to have a plurality of different memory states, access circuitry configured to apply signals to the memory cells to program the memory cells to the different memory states, and a controller to configured to control the access circuitry to apply a first of the signals to one of the memory cells to program the one memory cell from a first memory state to a second memory state different than the first memory state, to determine that the one memory cell failed to place into the second memory state as a result of the application of the first signal, and to control the access circuitry to apply a second signal to the one memory cell to program the one memory cell from the first memory state to the second memory state as a result of the determination, wherein the first and second signals have a different electrical characteristic. | 07-09-2015 |
20150255153 | RESISTIVE MEMORY SENSING - The present disclosure includes apparatuses and methods for sensing a resistive memory cell. A number of embodiments include performing a sensing operation on a memory cell to determine a current value associated with the memory cell, applying a programming signal to the memory cell, and determining a data state of the memory cell based on the current value associated with the memory cell before applying the programming signal and a current value associated with the memory cell after applying the programming signal. | 09-10-2015 |
20150294718 | DRIFT ACCELERATION IN RESISTANCE VARIABLE MEMORY - The present disclosure includes apparatuses and methods including drift acceleration in resistance variable memory. A number of embodiments include applying a programming signal to the resistance variable memory cell to program the cell to a target state, subsequently applying a pre-read signal to the resistance variable memory cell to accelerate a drift of a resistance of the programmed cell, and subsequently applying a read signal to the resistance variable memory cell. | 10-15-2015 |
20150311217 | FERROELECTRIC MEMORY AND METHODS OF FORMING THE SAME - Ferroelectric memory and methods of forming the same are provided. An example memory cell can include a buried recessed access device (BRAD) formed in a substrate and a ferroelectric capacitor formed on the BRAD. | 10-29-2015 |
Patent application number | Description | Published |
20140233298 | APPARATUS AND METHODS FOR FORMING A MEMORY CELL USING CHARGE MONITORING - Apparatuses and methods of forming a memory cell is described. In one such method, a forming charge applied to a memory cell, such as a Resistive RAM (RRAM) memory cell, is monitored to determine the progress of the forming the cell. If the cell is consuming charge too slowly, a higher voltage can be applied. If the cell is consuming charge too quickly, a lower voltage can be applied. The charge may be monitored by charging a capacitor to a certain level, then monitoring the discharge rate of the capacitor though the cell. The monitoring may use comparators to measure the charge. The monitoring may also use an analog to digital converter to perform the monitoring. | 08-21-2014 |
20150124517 | APPARATUS AND METHODS FOR FORMING A MEMORY CELL USING CHARGE MONITORING - Apparatus and methods of forming a memory cell are described. In one such method, a forming charge applied to a memory cell, such as a Resistive RAM (RRAM) memory cell, is monitored to determine the progress of the forming the cell. If the cell is consuming charge too slowly, a higher voltage can be applied. If the cell is consuming charge too quickly, a lower voltage can be applied. The charge may be monitored by charging a capacitor to a certain level, then monitoring the discharge rate of the capacitor though the cell. The monitoring may use comparators to measure the charge. The monitoring may also use an analog to digital converter to perform the monitoring. | 05-07-2015 |
Patent application number | Description | Published |
20100084142 | EQUIPMENT FOR INTERCEPTING AND DIVERTING A LIQUID CIRCULATION FLOW - Equipment for intercepting and diverting a liquid circulation flow, consisting of three flow chambers and a series of valves, said chambers, equipped with connection means with arrival or supply lines, communicating with each other, of which only one (I) communicates with both of the other two (II) (III), the communication between said chambers each being obtained by means of at least two valves of which one is a flow-rate valve (Q) and at least one equalizer (E), each equalizer valve (E) being coupled, upstream or downstream thereof, with fixed or adjustable flow-blocking devices (D), the two non-communicating chambers having a valve (V) or a three-way valve in common, or one each, a one-way valve in counterposition, one being open when the other is closed and vice versa, said valve (V) being coupled with a discharge valve (S). | 04-08-2010 |
20120285679 | METHOD FOR MAKING CENTRALIZERS FOR CENTRALISING A TIGHT FITTING CASING IN A BOREHOLE - A centralizer for an oil well drill casing including at least one strip of ceramic or plastic material applied onto an outer wall of the casing. | 11-15-2012 |
20140034295 | METHOD FOR MAKING CENTRALIZERS FOR CENTRALISING A TIGHT FITTING CASING IN A BOREHOLE - A centralizer for an oil well drill casing including at least one strip of ceramic or plastic material applied onto an outer wall of the casing. | 02-06-2014 |
20140345854 | METHOD FOR MAKING CENTRALIZERS FOR CENTRALISING A TIGHT FITTING CASING IN A BOREHOLE - A centralizer for an oil well drill casing including at least one strip of ceramic or plastic material applied onto an outer wall of the casing. | 11-27-2014 |
Patent application number | Description | Published |
20100023278 | Fluid volume verification system - This invention describes a fluid transfer device which has a fluid handling system and a fluid detection system controlled by a central processing system which allows the device to accurately determine both the verification of fluid dispensed and the liquid level position in the reaction vessel. | 01-28-2010 |
20110253137 | System to control a patient's ventilator or anesthesia machine - A system for the control of a ventilator or an anesthesia delivery machine for an intubated patient, wherein the intubated patient has an endotracheal tube inserted into the airway passage, the endotracheal tube having a controllably inflatable annular cuff thereon, wherein the cuff is monitored and controlled by a pressure control unit, the system including: a patient-disturbed signal arrangement for providing a feedback to the ventilator or anesthesia delivery machine through the pressure control unit to delay pressure changes directed to the cuff by the ancillary devices. | 10-20-2011 |
20110253145 | Pressurized tracheal cuff control arrangement - An endotracheal tube monitoring and control system for the safe and effective use of that endotracheal or trachea (ETT or TT) cuff within the larynx of a human patient comprising: a control unit for the monitoring and control of the ETT or TT tube cuff in communication therewith; a pressure sensor in communication with the control unit and with an empowered air pump and associated a dump valve; and a patient position sensor to indicate patient inclination, wherein the pressure in the cuff is pre-set and maintained at a selected value by a system operator, and wherein the system provides feedback of pressure within the cuff and acts to supplement or dump pressure from that cuff, as necessary, including a mouth care alert, head of bed angle alarms, safety override of microprocessor control should cuff pressure reach dangerous levels, and self-test protocols to ensure proper operation of pneumatic control components. | 10-20-2011 |
20140012238 | SWITCH BLOCK CONTROL ASSEMBLY OF A MEDICAL DEVICE - The present disclosure provides a surgical device, comprising: a jaw assembly defining a first longitudinal axis and including a first jaw and a second jaw moveable relative to the first jaw; an elongated body defining a second longitudinal axis and coupled to a proximal end of the jaw assembly, wherein the jaw assembly is configured to articulate about an articulation axis transverse to the second longitudinal axis relative to the elongated body; a handle assembly coupled to a proximal end of the elongated body and comprising at least one motor mechanically coupled to the jaw assembly; and a control assembly coupled to the handle assembly, the control assembly including a first control button, a second control button, a first rocker device disposed about the first control button and configured to rotate thereabout, and a second rocker device disposed about the second control button and configured to rotate thereabout. | 01-09-2014 |
20140012289 | APPARATUS FOR ENDOSCOPIC PROCEDURES - A surgical device is provided. The surgical device includes a jaw assembly defining a first longitudinal axis and including a first jaw and a second jaw moveable relative to the first jaw; an elongated body defining a second longitudinal axis and coupled to a proximal end of the jaw assembly, wherein the jaw assembly is configured to articulate about an articulation axis transverse to the second longitudinal axis relative to the elongated body; and a handle assembly coupled to a proximal end of the elongated body and including at least one motor mechanically coupled to the jaw assembly and a control assembly including a first control button and a second control button, wherein actuation of the first control button moves the second jaw in approximation relative to the first jaw and actuating the second control button moves the second jaw away from the first jaw, and actuating the first and second control buttons moves the jaw assembly to a centered position in which the first and second longitudinal axes are substantially aligned, the handle assembly further includes an illumination member configured to output a light pattern indicative of a status of the surgical instrument. | 01-09-2014 |
20150230796 | END STOP DETECTION - The present disclosure is directed to systems and methods for operating an electromechanical surgical system. The electromechanical surgical system includes a hand-held surgical instrument including an instrument housing defining a connecting portion for selectively connecting with a shaft assembly. The system also includes an end effector configured to perform at least one function. The shaft assembly is arranged for selectively interconnecting the end effector and the hand-held surgical instrument. The shaft assembly includes a drive member, a flag member configured to translate axially along the drive member, and a sensor disposed about the drive member. The sensor provides a signal indicating that the end effector has reached an end stop when the flag member contacts that sensor. | 08-20-2015 |
20150235789 | SURGICAL INSTRUMENTS WITH NON-CONTACT SWITCH ASSEMBLIES - A non-contact button assembly for a powered surgical instrument includes a light emitter, a rocker switch, and a button shaft. The rocker switch defines a through passage about a longitudinal axis of the button assembly. The button shaft is disposed within the through passage. The button shaft includes a proximal portion, a distal portion, and a flange positioned therebetween. The button shaft has a deactivated position such that the button shaft is configured to prevent light from the light emitter from illuminating a light detector and the button shaft has an activated position such that the button shaft is configured to permit light emitted from the light emitter to illuminate the light detector. | 08-20-2015 |
20150303996 | NON-CONTACT SURGICAL ADAPTER ELECTRICAL INTERFACE - A surgical instrument includes a handle, an adaptor, and a non-contact electrical interface. A proximal end of the adaptor is releasably coupled to a distal end of the handle. The non-contact electrical interface is configured to wirelessly transmit energy from the handle to the adaptor and is configured to wirelessly transmit data from the adaptor to the handle. The electrical interface may include a proximal coil disposed within the handle and a distal coil disposed within the adaptor. When the adaptor is coupled to the handle, the proximal coil may be disposed adjacent the distal coil to form a transformer to inductively transfer energy from the handle to the adaptor and inductively transmit data from the adaptor to the handle. | 10-22-2015 |
20150316431 | END-EFFECTOR FORCE MEASUREMENT DRIVE CIRCUIT - A surgical instrument for applying fasteners includes a drive motor, a replaceable loading unit having an end-effector assembly, and an adapter configured to releasably couple a replaceable loading unit to the drive motor. The adapter includes a strain gauge having a drive circuit coupled thereto. The strain gauge and the drive circuit are configured to directly measure a driving force in the adapter. | 11-05-2015 |