Did You Know...
...Chester Carlson was a patent agent who tired of having to make multiple copies of patent applications using the only duplication method available at the time: carbon paper. In 1959 he came up with a new copying system and took it to IBM for evaluation. The "experts" at IBM determined potential sales to be only 5,000 units because people wouldn't want to use a bulky machine when they had carbon paper. Carlson's invention was the xerography process, the company founded on the system is Xerox.
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| Number | Title | Issue Date |
| 8145312 | Power supply control circuit, power supply and body implant A power supply comprises transistors whose conduction paths are connected in series and whose control terminals receive a reference voltage. The common terminal at one end of the series-connected conduction paths provides a regulator output whereas output terminals ... | 03/27/2012 |
| 8027728 | High power implantable battery with improved safety and method of manufacture A power control circuit for an implantable medical device is presented. The power control circuit includes a first high rate cell, a second high rate cell, at least one resistive load, and at least one control circuit. The at least one resistive load is connected be... | 09/27/2011 |
| 7962212 | Multiple battery configurations in an implantable medical device Implantable medical device power circuits are disclosed. Multiple batteries may be provided, along with a number of switches, enabling a plurality of battery and power circuit configurations to be defined. Configurations of the power circuit may be changed in respon... | 06/14/2011 |
| 7783357 | Dual battery arrangement for an automated external defibrillator A defibrillator, equipped with a battery power source, is described which is arranged to operate in any one of both a first mode and a second mode, the battery power source comprising at least two voltage sources. The voltage sources are arranged to be connected in ... | 08/24/2010 |
| 7616995 | Variable recharge determination for an implantable medical device and method therefore Implantable medical device adapted to provide a therapeutic output to a patient. A therapy module, operatively coupled to a battery, is adapted to provide the therapeutic output. A control circuit provides an action indicative of recharging the battery when the volt... | 11/10/2009 |
| 7437193 | Microstimulator employing improved recharging reporting and telemetry techniques An implantable microstimulator configured to be implanted beneath a patient's skin for tissue stimulation to prevent and/or treat various disorders, e.g., neurological disorders, uses a self-contained power source such as a primary battery, a rechargeable battery, o... | 10/14/2008 |
| 7379775 | Voltage converter for implantable microstimulator using RF-powering coil A combination, voltage converter circuit for use within an implantable device, such as a microstimulator, uses a coil, instead of capacitors, to provide a voltage step up and step down conversion functions. The output voltage is controlled, or adjusted, through duty... | 05/27/2008 |
| 7337001 | Implantable medical device and method with a dual power source incorporating electrolyte additive 2,2,2-trifluoroacetamide An implantable medical device includes a control circuit for controlling the operation of the device and for obtaining physiological data from a patient in which the medical device is implanted. The implanted device also includes a communication circuit for transmit... | 02/26/2008 |
| 7337002 | Implantable medical device with detachable battery compartment An implantable medical electronic tissue stimulating device is formed of two hermetically sealed, fluid impervious housings, one containing an electronic pulse generator and the other a battery power supply. The two are adapted to be mechanically and electrically co... | 02/26/2008 |
| 7295872 | System for and method of power efficient electrical tissue stimulation Circuitry for and method of power efficient operation of, and energy recovery from, tissue-stimulating electrodes having high charge capacities. Post-stimulation energy is recovered from the electrodes through a variety of techniques into circuit elements such as ot... | 11/13/2007 |
| 7272445 | Medical device programmer with faceplate In general, the invention is directed to a patient programmer for an implantable medical device. The patient programmer may include one or more of a variety of features that may enhance performance, support mobility and compactness, or promote patient convenience. | 09/18/2007 |
| 7254449 | Systems and methods for providing power to one or more implantable devices Systems and methods for providing a power signal to one or more implantable devices include a number of dynamic range amplifiers each having a multiplicity of output drivers. Each of the output drivers is configured to generate an output signal. The systems and meth... | 08/07/2007 |
| 7239917 | Vipul's lifetime lifeline permanent pacemaker and implantable cardioverter-defibrillator A Permanent Pacemaker and Implantable Cardioverter-Defibrillator with a rechargeable battery with recharging facility This PPM/ICD has systems which can be programmed or serviced from a distant center. ... | 07/03/2007 |
| 7221977 | Method and apparatus for measuring battery depletion in implantable medical devices A method and apparatus for measuring battery depletion in an implantable medical device is presented. The apparatus includes first and second switch pairs disposed in series between the battery and a load, and connected in a parallel arrangement with respect to one ... | 05/22/2007 |
| 7214189 | Methods and apparatus for tissue activation and monitoring Techniques for controlling one or more modular circuits (“satellites”) that are intended for placement in a subject's body. The one or more satellites are controlled by sending signals over a bus that includes first and second conduction paths. Also coupled to t... | 05/08/2007 |
| 7212110 | Implantable device and system and method for wireless communication A wireless communication method and protocol, and wireless devices and systems for stimulation, are provided for communication between a wireless device and a charging device. During active wireless charging, communications (data transmission) from the wireless devi... | 05/01/2007 |
| 7209784 | High power implantable battery with improved safety and method of manufacture Implantable medical devices in embodiments of the invention may include one or more of the following features: (a) a hermetic enclosure, (b) a low-power control circuit located in the enclosure, (c) a high-power output circuit located in the enclosure for delivering... | 04/24/2007 |
| 7203547 | System and method of implementing a prophylactic pacer/defibrillator The prophylactic pacer/defibrillator is configured to deliver shocking therapy in response to a single episode of ventricular fibrillation, as well as delivering otherwise conventional pacing therapy. By providing “one shot” defibrillation capabilities a patient... | 04/10/2007 |
| 7203546 | System and method of implementing a prophylactic pacer/defibrillator The prophylactic pacer/defibrillator is configured to deliver shocking therapy in response to a single episode of ventricular fibrillation, as well as delivering otherwise conventional pacing therapy. By providing “one shot” defibrillation capabilities a patient... | 04/10/2007 |
| 7191075 | Data collection system If a power switch of any one measuring device selected from a plurality of measuring devices (10a to 10n) is turned on, identification information for the selected measuring device is transmitted to a data collection apparatus (100... | 03/13/2007 |
| 7191008 | Implantable medical device with a dual power source An implantable medical device includes a control circuit for controlling the operation of the device and for obtaining physiological data from a patient in which the medical device is implanted. The implanted device also includes a communication circuit for transmit... | 03/13/2007 |
| 7155281 | Complimentary activity sensor network for disease monitoring and therapy modulation in an implantable device Energy efficient methods and systems for using multi-dimensional activity sensors with implantable cardiac devices are provided. In certain embodiments the output of a passive activity sensor (used for rate responsive pacing) is used to trigger temporary use of a re... | 12/26/2006 |
| 7151378 | Implantable energy management system and method An implantable energy supply system having at least two cells is disclosed. The system may have a switch with a first state in which the cells are electrically connected to a load, and a second state in which each cell is electrically connected with its own charger.... | 12/19/2006 |
| 7136701 | Hybrid battery power source for implantable medical use A hybrid battery power source for implantable medical use provides a generally constant low internal resistance during discharge and avoids voltage delays of the type that develop as a result of run down-induced resistance increase in Li/SVO cells. The hybrid batter... | 11/14/2006 |
| 7120500 | Battery monitor and power demand adjuster A system for monitoring and controlling power demands in devices with DC power supplies. In response to a detected decline in voltage levels, the device reduces power demands of the device, in one or more stages before powering down entirely. This approach has appli... | 10/10/2006 |
| 7082336 | Implantable intravascular device for defibrillation and/or pacing The present application describes an intravascular implantable pacing and/or defibrillation system. The described system includes a pulse generator that is implantable within a blood vessel and proportioned to blood flow through the blood vessel, and at least one le... | 07/25/2006 |
| 7079893 | Hybrid battery power source for implantable medical use A hybrid battery power source for implantable medical use provides a generally constant low internal resistance during discharge and avoids voltage delays of the type that develop as a result of run down-induced resistance increase in Li/SVO cells. The hybrid batter... | 07/18/2006 |
| 7047079 | Method and system for energy conservation in implantable stimulation devices The invention relates to a stimulation device with power conservation functionality. In implantable devices, power supplies may be limited. Replenishing these power supplies may require costly surgery or periodic recharging depending on the model. A method may be im... | 05/16/2006 |
| 7020519 | Hybrid battery power source for implantable medical use A hybrid battery power source for implantable medical use provides a generally constant low internal resistance during discharge and avoids voltage delays of the type that develop as a result of run down-induced resistance increase in Li/SVO cells. The hybrid batter... | 03/28/2006 |
| 7003421 | VDD over and undervoltage measurement techniques using monitor cells According to one embodiment, a method of testing an integrated circuit is provided. A reference voltage is coupled to each of a first and second comparator integrated on the chip. A supply voltage is compared to the reference voltage in a comparator to determine ove... | 02/21/2006 |
| 6975905 | Stimulation circuits for a cycle to cycle stimulation threshold capture for an active implantable cardiac device A circuit for delivering a back-up stimulation voltage in a cycle to cycle capture test for an active implantable medical device such as a pacemaker, defibrillator and/or cardiovertor or a multisite device having an enhanced circuit for delivering back-up stimulatio... | 12/13/2005 |
| 6965272 | Worldwide marketing logistics network including strategically located centers for frequency programming crystal oscillators to customer specification A worldwide logistics network includes a processing center for receiving customer orders for crystal oscillators over communications links, processing the orders, and generating work orders that are selectively disseminated over communications links to programming c... | 11/15/2005 |
| 6954113 | Programmable oscillator circuit A programmable crystal oscillator is provided having a memory for storing frequency-defining parameters. Typically, one of these parameters is used to program an adjustable capacitive load circuit coupled to a crystal to thereby adjust the crystal source frequency. ... | 10/11/2005 |
| 6940255 | Battery charge indicator such as for an implantable medical device This document discusses, among other things, a system providing a battery charge indicator for an implantable medical device, such as using a lithium/carbon monofluoride (CFx) or other battery. Capacity vs. voltage data from a separate characterizing battery into a ... | 09/06/2005 |
| 6937894 | Method of recharging battery for an implantable medical device A method of operating an implantable medical device containing a Lithium Silver Vanadium Oxide battery. In response to a detected need for therapy, a current flow is delivered from the battery to a charge storage device. After the battery is at least partly depleted... | 08/30/2005 |
| RE38777 | Dual battery power system for an implantable cardioverter defibrillator with voltage booster An improved dual battery power system uses two separate battery power sources for an implantable cardioverter defibrillator, each having optimized characteristics for monitoring functions and for output energy delivery functions, respectively. The monitoring functio... | 08/16/2005 |
| 6909915 | Hybrid battery power source for implantable medical use A hybrid battery power source for implantable medical use provides relatively stable resistance during discharge and avoids the voltage delays that develop as a result of variable resistance increase in Li/SVO cells. The hybrid battery power source utilizes two batt... | 06/21/2005 |
| 6898463 | Current monitor for an implantable medical device A method and an apparatus for performing a device component failure analysis in an implantable medical device using current consumption data. A current consumption signal relating to current consumption in an implantable medical device is generated. The current cons... | 05/24/2005 |
| 6892096 | Implantable cardiac stimulating device with optimized demand It is important in cardiac pacing devices and systems to achieve efficient power utilization and conservation to extend the life of the battery cells, thereby extending the intervals between invasive medical procedures to replace components in the cardiac pacing sys... | 05/10/2005 |
| 6704596 | Electrically active medical implant An electrically active medical implant has a circuit (5), at least one first battery (1) to supply low current, and a second battery (2) to supply high current into the circuit (5), and a control device (4) designed to disconnect the at least one first ba... | 03/09/2004 |
