1
John C Gord: Low power current to frequency converter circuit for use in implantable sensors. Alfred E Mann Foundation, Alfred E Mann Foundation, June 29, 1999: US05917346 (465 worldwide citation)

A low power current-to-frequency converter circuit provides an output frequency signal F.sub.OUT having a frequency that varies as a function of a low level analog input current signal. The analog input current signal is typically generated by an implantable sensor element, designed to sense a parti ...


2
Joseph H Schulman, John C Gord, Primoz Strojnik, David I Whitmoyer, James H Wolfe: Multichannel implantable cochlear stimulator. Alfred E Mann Foundation, Alfred E Mann Foundation, August 17, 1999: US05938691 (91 worldwide citation)

A cochlea stimulation system includes a patient wearable system comprising an externally wearable signal processor (WP) and a headpiece in electronic communication with an implanted cochlear stimulator (ICS). The ICS comprises eight output stages each having two electrically isolated capacitor-coupl ...


3
Yitzhak Zilberman, Joseph H Schulman: Hybrid middle ear/cochlea implant system. Alfred E Mann Foundation For, Scientific Research, December 27, 2001: US20010056291-A1 (1 worldwide citation)

A system for enhancing hearing comprised of both a middle ear implant and a cochlear implant. The system directs signals relating to lower frequency sound to the middle ear implant and signals relating to higher frequency sound to the cochlear implant. The middle ear implant comprises an electricall ...


4
Yitzhak Zilberman, Joseph H Schulman: Hearing aid system including speaker implanted in middle ear. Alfred E Mann Foundation For, Scientific Research, December 20, 2001: US20010053871-A1 (1 worldwide citation)

A system for enhancing a patient's hearing using electrically driven sound transducer, i.e., a speaker, implanted in the patient's middle ear cavity. More particularly, the speaker is implanted in the middle ear cavity inward of the tympanic membrane and oriented to direct sound energy toward the os ...


5
Yitzhak Zilberman, Joseph H Schulman: Middle ear implant. Alfred E Mann Foundation For, Scientific Research, December 20, 2001: US20010053872-A1 (1 worldwide citation)

A hearing aid comprised of conventional cochlear implant electronics implanted in the middle ear and coupled to an actuator configured to mechanically vibrate the middle ear ossicles. The implant electronics, typically used for driving an electrode array implanted in the cochlea, is used instead to ...


6
Joseph H Schulman: Hermetic feedthrough for an implantable device. Alfred E Mann Foundation For, Scientific Research, November 8, 2001: US20010039374-A1

The present invention provides an implantable substrate sensor comprising electronic circuitry formed within, or on, a substrate. A protective coating then covers the substrate, forming a hermetically sealed package having the circuitry under the coating. The circuitry has electrically conductive pa ...


7
Todd K Whitehurst: Combined frequency-domain time-domain multiplexing of radio frequency communications with multiple implanted devices. Alfred E Mann Foundation For, Scientific Research, December 20, 2001: US20010053926-A1

A Functional Electrical Stimulation (FES) system provides frequency division multiplexed transmission of control signals from a master controller to a multiplicity of microstimulators. FES systems utilize the multiplicity of microstimulators to provide electrical signals to stimulate nerves and musc ...


8
John C Gord, Gregory Jay Delmain, Paul Derocco: Multi-mode crystal oscillator system selectively configurable to minimize power consumption or noise generation. Alfred E Mann Foundation For, Scientific Research, April 29, 2004: US20040082982-A1

The present invention is directed to a multi-mode crystal oscillator system selectively configurable to minimize power consumption or noise generation. Such a system is particularly applicable to the communication system of an implantable device, e.g., the microstimulator/sensor device described in ...


9
Guangqiang Jiang, Kate E Purnell, Gary D Schnittgrund: Material and method of forming yttria-stabilized zirconia to minimize low-temperature degradation. Alfred E Mann Foundation For, Scientific Research, September 16, 2004: US20040181270-A1

The invention is directed to an apparatus and a method of substantially eliminating destructive low-temperature, humidity-enhanced phase transformation of yttria-stabilized zirconia in general, as well as eliminating low-temperature degradation of yttria-stabilized tetragonal zirconia polycrystallin ...


10
Joseph H Schulman, Robert Dan Dell, John C Gord: Battery-powered patient implantable device. Alfred E Mann Foundation For, Scientific Research, June 3, 2004: US20040103906-A1

A device configured for implanting beneath a patient's skin for the purpose of tissue, e.g., nerve or muscle, stimulation and/or parameter monitoring and/or data communication. Devices in accordance with the invention are comprised of a sealed housing, typically having an axial dimension of less tha ...