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| Patent # | Description |
|---|---|
| US-5,528,669 |
Single cassette answering machine with dual phone line and mailbox
features An answering machine has a single tape for recording phone messages wherein messages are recorded on at least two tracks. The answering machine optionally... |
| US-5,528,668 |
Mobile communications system and communication channel control method
for the same In the construction of a mobile communications system wherein coder-decoder units for high-efficiency coding which should originally be placed in base stations... |
| US-5,528,667 |
Time management for cordless telephone by inputs from a user through the
keypad to cause data to be transferred... A cordless telephone which includes a static RAM (50) for storing time management information and a real time clock (52). The time management information which... |
| US-5,528,666 |
Personal phone expansion system A personal phone expansion system (10) includes a personal base station (12) and a plurality of portable units (18). The personal base (12) is connected to a... |
| US-5,528,665 |
Telephone exchange apparatus for both mobile and stationary stations, in
which all communication channel pairs... A telephone exchange apparatus for both mobile and stationary subscribers in which the stationary subscribers are not assigned permanent channel pairs but rather... |
| US-5,528,664 |
Cellular data overlay system providing packet-switched communication
data service over a selected channel which... A cellular telephone system includes a packet-switched digital data communication subsystem overlaying a circuit-switched (e.g., voice) communication subsystem,... |
| US-5,528,663 |
DTMF detection for voice processing equipment By testing a received signal for power, frequency content, and stability, one can measurably improve DTMF signal detection and identification performance in... |
| US-5,528,662 |
Active strapping and switching device for telephone line testing Disclosed is a self-contained battery powered remotely controlled strapping and interconnection device for providing various selected interconnections and... |
| US-5,528,661 |
Diagnostic mechanism for monitoring operational status of remote
monitoring and test unit which controllably... A self diagnostic test routine resident in firmware in a remote, programmable device for testing telephone lines diagnostically examines the operational... |
| US-5,528,660 |
Display-based control mechanism resident in portable test and
communications device for facilitating... A portable, digital processor-based system equips a craftsperson with the ability to test a subscriber line of a telephone network by accessing a direct test... |
| US-5,528,659 |
Radiation flux polarizer or distributor The invention provides a polarizing device and a method for producing and utilizing the device. The device produces a modification in radiation flux and provides... |
| US-5,528,658 |
X-ray tube having an annular vacuum housing An x-ray tube has an annular vacuum housing through which an electron beam passes in an annular path, an annular target from which x-radiation emanates during... |
| US-5,528,657 |
X-ray apparatus An X-ray apparatus a includes a high-voltage generator (1) a combination of an X-ray tube (7) with an anode (13) and a cathode (15), connected in series with the... |
| US-5,528,656 |
Method and apparatus for sampling an object An improved digital image sampling arrangement samples only one pixel of a predetermined region of pixels and assigns a density value to that pixel. The... |
| US-5,528,655 |
Method and apparatus for producing radiologic three-dimensional image A radiologic three-dimensional imaging apparatus comprises a device for generating an X-ray, a two-dimensional X-ray image detector including an avalanche... |
| US-5,528,654 |
Multilayer film for X-rays A multilayer film for X-rays comprising two kinds of films having different refractive indices, deposited alternately, wherein one of said two kinds of films... |
| US-5,528,653 |
Rotational coniformly-focused gamma radiating unit The present invention provides a rotator Gamma radiation unit which adapts to medical Gamma systems especially. The radiation source bodies carrying sources can... |
| US-5,528,652 |
Method for treating brain tumors A method of treating brain tumors in a patient, comprising the steps of: identifying and locating a brain tumor in vivo; implanting at least a portion of an... |
| US-5,528,651 |
Positioning device and method for radiation treatment A radiotherapy appliance having a plurality of controllable radiation beams which converge on a focus volume wherein an object being irradiated can be movably... |
| US-5,528,650 |
Method and apparatus for radiation therapy A radiation therapy apparatus includes a compensator having a plurality of leaves to divide the radiation beam into rays each of which may be effectively and... |
| US-5,528,649 |
Method of calibrating a radiological system and of measuring the
equivalent thickness of an object The calibration method consists in measuring the efficiency D of a detector cell placed behind the object as a function of various phantom thicknesses E.sub.p... |
| US-5,528,648 |
Method and apparatus for analyzing contaminative element concentrations The fluorescent X-ray generated by elements when an X-ray is total reflected from a substrate surface is detected by a fluorescent X-ray detecting circuit; the... |
| US-5,528,647 |
X-ray fluorescence inspection apparatus X-ray Fluorescence Inspection Apparatus comprises an X-ray tube (1) for generating X-rays having a range of energies which are directed towards a sample... |
| US-5,528,646 |
Sample vessel for X-ray microscopes A sample vessel for X-ray microscopes comprising a first silicon base plate having an entrance window covered with a thin film of silicon nitride, and a second... |
| US-5,528,645 |
method and device for the adjustment of imaging values in a panoramic
X-ray imaging apparatus The invention relates to a method and an apparatus for the adjustment of imaging values in a panoramic x-ray imaging apparatus. The imaging device comprises a... |
| US-5,528,644 |
X-ray CT scanner and method of collecting image data in the same In an X-ray CT scanner, a first field of view corresponding to a reconstructed area of an image to be displayed is set. An original image data are reconstructed... |
| US-5,528,643 |
Charge coupled device/charge super sweep image system and method for
making Described is a new high performance CCD image sensor technology which can be used to build a versatile image sensor family with the sensors that have high... |
| US-5,528,642 |
Solid-state imaging device with fast clock speed for improved image
quality A CCD linear sensor as a solid-state imaging device has a photosensor and a pair of CCD registers connected to the photosensor. One of the CCD registers is... |
| US-5,528,641 |
Fuel assembly A fuel assembly is provided with a coolant ascending path for making coolant rise and a water rod having a coolant descending path for conducting the coolant. A... |
| US-5,528,640 |
Low pressure double offset plate catcher for a nuclear reactor A fuel bundle and lower tie plate assembly for a nuclear reactor includes a plurality of fuel rods supported between an upper tie plate and a lower tie plate... |
| US-5,528,639 |
Enhanced transient overpower protection system An enhanced protection system for protecting against transient overpower in a boiling water nuclear reactor which automatically adjusts the reactor over-power... |
| US-5,528,638 |
Multiple phase shifted clocks generation using a minimal set of signals
from a PLL An inventive apparatus for generating a plurality of phase-shifted clocks on an IC, including a PLL disposed at a first location for generating a reference clock... |
| US-5,528,637 |
Synchronizing circuit A synchronizing circuit (SC) is proposed which recovers from input data (ID) applied thereto a data clock signal (DC) synchronous therewith in frequency and in... |
| US-5,528,636 |
Data synchronization device A data, synchronization device adapted to re-synchronize a multi-level digital signal (IN; OUT) with an output or local clock signal (CLKO). In case of a binary... |
| US-5,528,635 |
Synchronization detecting circuit A testing device is provided to test performance of transmission systems such as communication devices and transmission lines by transmitting and receiving... |
| US-5,528,634 |
Trajectory directed timing recovery In a digital demodulator (10) a single sampling moment (28) occurs within each symbol (22). A data estimator (34) identifies a data code and a phase error for... |
| US-5,528,633 |
Tuner with quadrature downconverter for pulse amplitude modulated data
applications A Radio Frequency (RF)-band tuner stage is combined with a quadrature downconverter stage in a single shielded enclosure as an RF-to-baseband pulse amplitude... |
| US-5,528,632 |
Non-complex dual-correlation phase reversal detector and method A simplified transition detector identifies phase reversal without relying upon complex correlation relationships or trellis techniques. Two correlation signals... |
| US-5,528,631 |
.pi./4 shifted DQPSK modulator A .pi./4 shifted DQPSK modulator includes a mapping/filtering circuit (6) equipped with a mapping function and filtering function. The mapping/filtering circuit... |
| US-5,528,630 |
Coupler for communication systems which utilize more than one frequency
band A signal coupler includes a transformer having a primary and a secondary winding. Each transformer winding has a pair of associated winding terminals and is also... |
| US-5,528,629 |
Method and device for coding an analog signal having a repetitive nature
utilizing over sampling to simplify coding Speech signals coded according to the principle of high-resolution long-term prediction (HLTP) have a high accuracy due to the high-resolution which causes a... |
| US-5,528,628 |
Apparatus for variable-length coding and variable-length-decoding using
a plurality of Huffman coding tables An apparatus for variable-length-coding input symbols using a plurality of variable-length-code tables includes N variable-length-code tables each having a... |
| US-5,528,627 |
Signal reception system comprising an adaptive filter In a signal reception system comprising an adaptive filter having a plurality of filter coefficients and producing a filtered signal, a differential detection... |
| US-5,528,626 |
Method and system for modem command processing during data transfer A method and system are disclosed for permitting selected command sequences to be processed by a modem during data transfer operations. A preselected escape... |
| US-5,528,625 |
High speed quantization-level-sampling modem with equalization
arrangement The present invention is a quantization-level-sampling (QLS) modem which includes means for separately equalizing each loop of an end-to-end digital telephone... |
| US-5,528,624 |
DS/CDMA receiver using parallel-operating multi-purpose correlators In a direct sequence spread spectrum receiver, multiple correlators are provided for despreading a spread data signal and a spread pilot signal. During a sync... |
| US-5,528,623 |
Cordless telephone system having automatic control of transmitter power
and frequency in response to changing... A communications system includes at least two communications units, each communication unit including a transmitter capable of transmitting to the other unit at... |
| US-5,528,622 |
Communication system having channel hopping protocol and multiple entry
points A communication system (100) operates on a system acquistion channel, and a set of communication channels organized into a sequence (200) which includes a set of... |
| US-5,528,621 |
Packet data communication system A packet data transmission system is used to link a number of remote hand-held data-gathering units such as bar code readers to a central computer which... |
| US-5,528,620 |
Levitating and melting apparatus and method of operating the same In addition to a first driving device which moves only a lower crucible, and a first control device which controls the first driving device, a second driving... |
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