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"I hate what they've done to my child...I would never let my own children watch it. "
Vladimir Zworykin, television pioneer ; Talking about an invention in which he played a critical role.
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| Number | Title | Issue Date |
| 7352305 | Method and circuit for interpolating encoder output Two-phase sinusoidal signals QA, QB output from an encoder are interpolated by sample-and-hold (S/H) circuits and A/D conversion (ADC) circuits, and data D is output in accordance with a data request signal RQ from exterior. For this interpolation of encoder output,... | 04/01/2008 |
| 7215133 | Contactless circuit testing for adaptive wafer processing A system and method for measuring circuits on an integrated circuit substrate includes a measurement circuit formed on the integrated circuit substrate that measures at least one characteristic of an integrated circuit. The measurement circuit has a power transfer d... | 05/08/2007 |
| 7127300 | Method and apparatus for enabling data communication between an implantable medical device and a patient management system Embodiments of the invention provide methods, systems, and devices for enabling data communication between an IMD and a host computer. In one embodiment, a device is provided that comprises a frequency and protocol agile transceiver capable of communicating with an ... | 10/24/2006 |
| 7123175 | Angle detection apparatus computing phase differences between first and second phase angles A resolver use angle detection IC subjected to a phase lock operation so as to follow not an angle θ(t) for detection, but a phase angle ωot±θ(t) having an offset of a frequency ωot in the phase lock units. For this reason, when the excitation frequency ωot is... | 10/17/2006 |
| 7065409 | Device communications of an implantable medical device and an external system An implantable medical device, external unit, and method for establishing communication between them are disclosed. The external unit learns the frequencies of transmission and reception for the implant. The transmit frequency of the implant is learned by the extern... | 06/20/2006 |
| 7027357 | Acoustic communication device and acoustic signal communication method The present invention provides an acoustic transmitter for sequentially transmitting a plurality of pulse signals by sound. Each of the plurality of pulse signals is a signal of at least one modulated carrier wave, which has a predetermined frequency. The carrier wa... | 04/11/2006 |
| 7015840 | Resolver/digital converter An R/D converter allows high precision detection of a rotation angle of a rotor axis of a resolver having high rates of rotation. An A/D converter is built into a digital signal processor and converts a sine wave and cosine wave output from the resolver. An axis ang... | 03/21/2006 |
| 7009511 | Repeater device for communications with an implantable medical device A repeater device for an advanced patient management system communicates with a medical device coupled to a patient to obtain data about the medical device and/or patient's condition. The repeater device maintains the data while if considers various factors when coo... | 03/07/2006 |
| 6931327 | System and methods for processing analyte sensor data Systems and methods for processing sensor analyte data, including initiating calibration, updating calibration, evaluating clinical acceptability of reference and sensor analyte data, and evaluating the quality of sensor calibration. During initial calibration, the ... | 08/16/2005 |
| 6850623 | Parametric loudspeaker with improved phase characteristics A parametric loudspeaker which uses multiple piezoelectric bimorph transducers. These multiple piezoelectric bimorphs have a resonant frequency which varies from unit to unit. The phase response at and near the resonant frequency changes at a very high rate with sli... | 02/01/2005 |
| 6759969 | Fiberoptic transceiver system A fiberoptic transceiver system for use in an industrial paint spraying apparatus where analog information from flow sensors in the flow meter on the spray head is converted to a single channel digital signal for transmission on a fiberoptic cable to a receiver for ... | 07/06/2004 |
| 6714000 | Method for monitoring power and current flow A method for remotely monitoring the magnitude and direction of net electrical power and current flow to or from a facility over a prolonged period of time. The method includes detecting and measuring the magnetic field emanating from the monitored line(s), and dete... | 03/30/2004 |
| 6339336 | Moving magnet type galvanometer A galvanometer is described which has increased capacitance and which is hardly affected by humidity while maintaining the advantages of low machining precision and being unaffected by temperature variations. A front bearing and a rear bearing are fixed to a f... | 01/15/2002 |
| 6329929 | Telemetry system with phase-locking noise suppressing receiver There is provided a telemetry system with a receiver which enables detection of pulsed high frequency data (hf) signals in a manner which suppresses noise which may be present within the high frequency bandwidth. The transmitter carrier, which may be subj... | 12/11/2001 |
| 6326598 | Non-intrusive fault location system for an overheat detection system An overheat event location module for use with an existing overheat detection system in an aircraft. The module is non-intrusively connected to the overheat detection system, yet senses currents in the system. The module, by way of the sensed currents is ... | 12/04/2001 |
| 6313752 | System for displaying dynamic on-line operating conditions of an interconnected power transmission network A system for displaying dynamic on-line operating conditions of an interconnected power transmission network including components to monitor the interconnected power transmission network by measuring and correlating voltage magnitude and phase existing at... | 11/06/2001 |
| 5923268 | Universal type remote controller An improvement on a universal type remote controller having a plurality of target device modes corresponding in number to a plurality of devices to be controlled. In response to one key operation of a key on a keyboard, a microcomputer in one selected tar... | 07/13/1999 |
| 5767792 | Method for calibrating a temperature sensing transponder A method of calibrating a characteristic sensor of a transponder having a memory characteristic of a host including the steps of placing a transponder in a liquid bath having a known temperature, measuring the value of the bath with the transponder, outpu... | 06/16/1998 |
| 5631652 | Remote control method and system using one remote controller to control more than one apparatus A remote control method and apparatus for controlling more than one apparatus using one remote control. The method includes the steps of: (a) storing a menu for controlling the plurality of AV apparatuses, the menu being categorized into a main menu level... | 05/20/1997 |
| 5473323 | Apparatus for contactless energy and data transmission for single coil and two-coil systems An inductor transmission path for energy and data from a write/read station onto, for example, a chip card is disclosed. A specific, vector-oriented phase modulation with two coils is disclosed, making it possible for the write/read station to use the sam... | 12/05/1995 |
| 5442654 | Phase modulation measurement system Telemetry signals from missiles experience extreme phase distortion during interstage separation events. A phase modulation measurement system can calculate the steady state phase deviation of a biphase telemetry transmitter using: a telemetry receiver, a... | 08/15/1995 |
| 5211539 | Apparatus for indicating the pitch of turbofan blades Apparatus indicates changes in blade pitch of variable pitch blades by detecting relative displacements of first and second members of a blade pitch actuator. The members are selectively displaced to change the pitch of the blades. The apparatus includes ... | 05/18/1993 |
| 5204674 | Servo mechanism with differential phase shift feedback A position sensor which can be incorporated into a positional feedback-type servo mechanism includes a mechanical sensor element, an oscillator and first and second phase shifters, which in the disclosed embodiment are variable capacitors. The phase shift... | 04/20/1993 |
| 4978900 | DC sine cosine servo system A DC to DC sine/cosine positioning servo system has an electro-mechanical DC to AC converter. The latter includes a DC torquer, having a rotor with respective windings for receiving two DC input signals proportional to the error signals detected. Mechania... | 12/18/1990 |
| 4972186 | Resolver excitation circuit A resolver driver circuit uses sine and cosine values stored in a read only memory to generate sine and cosine waveforms by sequentially reading the stored values and passing them through a clocked data latch to a digital-to-analog converter. The output o... | 11/20/1990 |
| 4928087 | Phase-stabilized, phase-coupled resonant circuit In a system having a mobile part and an immobile part between which data and energy are transmitted, an electronic control for two resonant circuits serve the purpose of transmitting energy to the mobile part. The resonant circuits are driven so that thei... | 05/22/1990 |
| 4733235 | Capacitance type displacement measuring instrument A capacitance type displacement measuring instrument is disclosed in which a change in electric capacity between electrodes due to a change in displacement between two members movable relative to each other is detected on the basis of a change in phase of... | 03/22/1988 |
| 4697183 | Means for non-contacting signal and energy transmission A noncontacting signal and energy transmission device includes a stationary microstation and a moveable microunit, wherein data is transmitted between the microstation and the microunit simultaneously by phase shifted signals and by synchronously switched... | 09/29/1987 |
| 4612503 | Rotation speed detection device having a rotation angle detector of inductive type A detection head unit comprises a stator and a rotor. The stator has four poles disposed circumferentially at an interval of 90°. The poles have primary coils and secondary coils wound thereon. Two radially opposing poles constitute a pole pair. The prim... | 09/16/1986 |
| 4596965 | Method of and apparatus for determining amplitude ratios and phase differences of signals of the same frequency An amplitude ratio and phase-difference analysis can be carried out with a measured object provided with a measured branch which is divided from a reference branch from a supply oscillator. The measured branch has 2n switching combinations of p... | 06/24/1986 |
| 4556885 | System for detecting position or speed A system for detecting mechanical movement of a body under detection formed of: a synchro generator having a primary and a secondary windings, one of which is capable of being coupled to the body; an exciting circuit for providing exciting current to the ... | 12/03/1985 |
| 4511896 | Remote sensor system with bi-directional monitoring and control of operation An improved electronics system for transmission of low level analog signals rom a remote sensor to a control terminal utilizing a single pair of unshielded wires. A bi-directional exchange occurs between the sensor and control terminal which results in pow... | 04/16/1985 |
| 4475105 | System for detecting mechanical movement A system for detecting mechanical movement of a body under detection comprises: a synchro generator having multiple-phase primary windings and a secondary winding, either of the primary windings or the secondary winding capable of being coupled to the bod... | 10/02/1984 |
| 4358722 | Speed detector using resolver In a speed detector having a fixed frequency oscillator for producing two-phase sine waves to excite two-phase exciting windings of a resolver, first and second multipliers for multiplying the output of the detecting winding of the resolver by the two-pha... | 11/09/1982 |
| 4309702 | Displacement detecting apparatus Apparatus for detecting the displacement of a member having a magnetic scale on which are provided calibrating signals of a predetermined wavelength. First and second magnetic heads are disposed to reproduce the calibrating signals from the magnetic scale... | 01/05/1982 |
| 4243921 | Digital servo system for rotating member A digital servo system for a rotating member which detects a difference between phases of a reference signal and a signal representing the rotation phase of the rotating member thereby to control its rotation in accordance with the phase difference. Compa... | 01/06/1981 |
| 4156194 | Frequency-shift-keyed receiver Frequency-shift-keyed signals are detected by a receiver having an input which supplies the received signals to first and second mixers. A local oscillator produces signals at a frequency midway between the two frequencies of the frequency-shift-keyed sig... | 05/22/1979 |
| 4087628 | Carrier lock detector Apparatus for indicating a phase lock condition between an incoming multiphase carrier signal and a local oscillator in a phase-locked loop demodulator. A phase error signal is generated by phase comparing the carrier signal and the local oscillator signa... | 05/02/1978 |
| 3990062 | Resolver to digital converter A resolver to digital converter which provides digitally generated sinusoidal voltages to apply to the stator windings of the resolver. The oscillator providing the digital pulses is connected to a counter which is reset on a particular phase of one of th... | 11/02/1976 |
| 3987422 | System for detecting signal quality of a phase-modulated wave A system for detecting the signal quality of a phase-modulated wave, in which the phase positions of the signal elements of the digital phase-modulated wave are each detected with respect to a reference phase carrier by a phase detector for developing dig... | 10/19/1976 |
