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| Number | Title | Issue Date |
| 5067142 | X-ray diagnostics installation with a gating unit for the dominant image region An x-ray diagnostics installation for producing x-ray images has an x-ray image intensifier and a detector for measuring the average image brightness in a dominant region of the output screen of the x-ray image intensifier, and a gating unit with which th... | 11/19/1991 |
| 5067143 | Current detecting circuit for X-ray tube A current detecting circuit for an X-ray tube is disclosed which includes a DC high voltage generating circuit connected across a filament and an anode of the X-ray tube and current detecting means connected in series in a filament circuit. The filament, ... | 11/19/1991 |
| 5067144 | Equalized radiography using special modulator pins An equalization radiography system using specially shaped and arranged modulator pins which reduce artifacts by effectively smoothing variations in attenuation as between adjacent pins.... | 11/19/1991 |
| 5067145 | Mobile X-ray apparatus A mobile X-ray apparatus for use in X-ray in diagnostic examinations comprising a base on wheels having an arm structure mounted thereon for supporting an X-ray tube, wherein this arm structure comprises a first structure of telescopic construction utiliz... | 11/19/1991 |
| 5067146 | X-ray radiator An x-ray radiator has an x-ray tube disposed in a coolant-filled housing formed by a tank and an insertable closure for the tank. The x-ray tube is held in a tube carrier, which is mounted to the insertable closure so that the position of the tube carrier... | 11/19/1991 |
| 5067147 | Microcell system for cellular telephone system An improved microcell system for cellular telephone systems has a plurality of contiguous cells wherein the cells are configured in a plurality of clusters with each cell in a cluster having a different assigned set of transmission frequencies. Each of th... | 11/19/1991 |
| 5067148 | Method and apparatus for planning telephone facilities networks An acceptable or desired plan for changing the links of a telephone network is developed by using knowledge based rules to generate an ideal plan which meets first constraints, such as demand and modernization constraints, and by modifying the ideal plan ... | 11/19/1991 |
| 5067149 | Telephone line communications control system with dynamic call streaming The present invention is a novel technique in the automatic control of the size of a network of remote attendants in accordance with varying incoming call traffic patterns. The remote attendants are on the public switched telephone network. The system rou... | 11/19/1991 |
| 5067150 | Telephone number display device A telephone number display device adapted to a facsimile machine having a telephone function comprises a telephone number input device, display device having first and second display areas for displaying a telephone number, and display mode controller for... | 11/19/1991 |
| 5067151 | Telephone handset with electrostatic discharge prevention A telephone set includes a base and a handset which are interconnected by a cord terminated in a modular plug and jack, at least on the handset end of the cord. The plug is recessed far enough in the handset to preclude an electrostatic coupling between a... | 11/19/1991 |
| 5067152 | Method and apparatus for vector quantization A method of and apparatus for vector quantizaiton operates on binary signal vectors. Each signal vector contains a plurality of sample elements of a signal to be compressed. Each of the signal vectors is hashed to generate a value identifying one of at le... | 11/19/1991 |
| 5067153 | Method for transmitting subscriber data in communication systems from one secret subscriber equipment to another A transmission of subscriber data occurs between subscriber equipment in communication systems in order to be able to display such subscriber data on a display of subscriber equipment of a call partner. The display of the subscriber data of what is referr... | 11/19/1991 |
| 5067154 | Terminal management method and apparatus An information processing system includes a host computer, an ID number management file for storing user discrimination information such as ID number, and a terminal system group such as work stations, responsive to a recording medium such as an ID magnet... | 11/19/1991 |
| 5067155 | Method and means to limit access to computer systems In a preferred embodiment, a method of limiting access to computer systems which method includes scrambling identification card information with time information so that the resulting code can be used for only a limited period of time, thus preventing una... | 11/19/1991 |
| 5067156 | Method for generating a random number for the encoded transmission of data upon employment of a variable starting value Method for generating a random number for the encoded transmission of data using a variable starting value. Using a most recently used and intermediately stored random number, every byte of this random number has a logical operation performed on it with r... | 11/19/1991 |
| 5067157 | Noise reduction apparatus in an FM stereo tuner A noise reduction apparatus in an FM stereo tuner including a circuit for generating a stereo sum signal and a stereo differential signal; a noise eliminating circuit for dividing, in accordance with several frequency bands, the stereo differential signal... | 11/19/1991 |
| 5067158 | Linear predictive residual representation via non-iterative spectral reconstruction Method of encoding speech at medium to high bit rates while maintaining very high speech quality, as specifically directed to the coding of the linear predictive (LPC) residual signal using either its Fourier Transform magnitude or phase. In particular, t... | 11/19/1991 |
| 5067159 | Structure of a speaker apparatus A speaker apparatus in which a speaker unit having a vibrating plate thereon is housed in a cabinet, an opening defined by the cabinet for radiating a sound generated at a front surface of the vibrating plate of the speaker unit is formed, and a shield pl... | 11/19/1991 |
| 5067160 | Motion-pattern recognition apparatus The apparatus recognizes a motion of an object which is moving and is hidden in an image signal, and discriminates the object from the background within the signal. The apparatus has an image forming unit comprising non-linear oscillators, which forms an ... | 11/19/1991 |
| 5067161 | Image recognition device A visual recognition device receives video signals representing an object to be recognized from a video camera, converts the video signals to a two-valued input pattern, and compares the input pattern with a standard pattern to recognize the object. The r... | 11/19/1991 |
| 5067162 | Method and apparatus for verifying identity using image correlation A method and apparatus for verification of personnel identity by correlation of fingerprint images. The method includes the steps of: first enrolling a person by the steps of forming a reference image of a fingerprint of the person, identifying a pluralit... | 11/19/1991 |
| 5067163 | Method for determining a desired image signal range from an image having a single background An image signal representing a radiation image comprising an object image and a background region is converted with a predetermined threshold value into a two-valued system, from which a binary image comprising regions approximately corresponding to the o... | 11/19/1991 |
| 5067164 | Hierarchical constrained automatic learning neural network for character recognition Highly accurate, reliable optical character recognition is afforded by a layered network having several layers of constrained feature detection wherein each layer of constrained feature detection includes a plurality of constrained feature maps and a corr... | 11/19/1991 |
| 5067165 | Character recognition method A method for recognizing a character string made of alphanumeric characters comprises processes of providing a dictionary storing each alphanumeric character in a form of a graph including nodes and links, each of the nodes corresponding to the structural... | 11/19/1991 |
| 5067166 | Method and apparatus for DP matching using multiple templates A pattern recognition method and apparatus using dynamic programming in which an input sequence of labels is matched to a set of candidate templates (candidate reference label sequences). The set of candidate reference label sequences is grouped into subs... | 11/19/1991 |
| 5067167 | Apparatus and method for rotating of three-dimensional images A system is described for rotating a 3D image so that a selected projection thereof is oriented to a chosen angular orientation in a three-dimensional space. The 3D image comprises a plurality of pixels, each pixel identified by a three-dimensional spatia... | 11/19/1991 |
| 5067168 | Reader for original documents and method A reader for reading light reflected from or transmitted through an original document includes an adjustment apparatus for detecting the white level of an analog signal from the original document. The detection is performed before reading of the original ... | 11/19/1991 |
| 5067169 | Portable humidifier A humidifier includes a base defining a boiler cavity, a liquid supply being supported on the base and having a discharge opening communicating with the boiler cavity and adapted to maintain a given level of liquid therein. An evaporation unit is removabl... | 11/19/1991 |
| 5067170 | Electric water warming system An electric water warming system generally comprises a cylindrical first water storage tank to be installed in a vertical fashion, a water feed pipe connected to a bottom portion of the first water storage tank for feeding water therein, and a hot water f... | 11/19/1991 |
| 5067171 | Method and apparatus for hand-off of call in progress A method and apparatus for a hand-off of a call-in-progress according to the present invention is arranged such that both a first ratio of a length of time, in which a measured value of SNR is below a predetermined "threshold" to a total length of the mea... | 11/19/1991 |
| 5067172 | Air to ground communications system and method An air-to-ground communications system wherein the communicating frequency channels are assigned dependent on the amplitude of the signals received at the base sites and dependent on the altitude of the aircraft.... | 11/19/1991 |
| 5067173 | Microcellular communications system using space diversity reception Microcellular stations are transceiving units covering a relatively small geographic area and adapted to establish bidirectional links between mobile telephone subscriber stations and a main base station. Each such microcellular station includes a transmi... | 11/19/1991 |
