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| Number | Title | Issue Date |
| 6208248 | Quick response perimeter intrusion detection sensor An Ultra Wideband (UWB) short-range radar system is used for the detection of targets in clutter. Examples of targets on the ground include human walkers, crawlers and runners, and vehicles. The UWB sensor can also be used to detect small approaching boat... | 03/27/2001 |
| 5974407 | Method and apparatus for implementing a hierarchical database management system (HDBMS) using a relational database management system (RDBMS) as the implementing apparatus The invention is directed to a computer implemented system and apparatus for construction of a Hierarchical Database Management System (HDBMS) using a commercially available Relational Database Management System (RDBMS) as the implementing apparatus. The ... | 10/26/1999 |
| 5640138 | Golf course electronic safety device A safety device is used to protect golfers located in blind areas of a golf course from balls being driven, for example, off the tee. The safety device is manually activated by a push-button switch once the golfers enter the blind area. The switch initiat... | 06/17/1997 |
| 5572190 | Batteryless sensor used in security applications A batteryless sensor includes either a micro miniature generator/gear train or a piezoelectric crystal to convert a movement of a door or window to an ersatz Vcc transient power supply to radiate a coded RF signal to a receiver, a distance away... | 11/05/1996 |
| 5455593 | Efficiently decreasing the bandwidth and increasing the radiated energy of an UWB radar or data link transmission An Ultra-Wideband (UWB) transmitter array consists of N individual transmitters coupled to a reference cw oscillator. Each of the N transmitters generates a waveform consisting of a number of cycles of a nominal carrier frequency of f0. The dur... | 10/03/1995 |
| 5337054 | Coherent processing tunnel diode ultra wideband receiver A four-terminal network in tandem with a tunnel diode (TD) threshold receiver currently used in radar or communications improves its sensitivity. Previous inventors have shown that the temperature and sensitivity properties of a conventional TD threshold ... | 08/09/1994 |
| 5317303 | Batteryless sensor used in security applications A batteryless sensor includes a small and concealed permanent magnet motor which operates as a generator to convert rotational or translational energy to an ersatz Vcc transient power supply via a mechanical arrangement to radiate a coded VHF oscillator s... | 05/31/1994 |
| 5253315 | Method and apparatus for installing a fiber optic cable by capture of a coupling nut or coupling nut assembly A new and improved apparatus and method for use in installing fiber optic cable, one embodiment of which utilizes a novel connector-coupling nut assembly, is disclosed herein. The apparatus largely comprises an elongated connector body with spring means d... | 10/12/1993 |
| 5220606 | Cryptographic system and method I present a cryptographic communications system and method. The system includes a communications channel that is coupled to an encryption device and to a decryption device. A sender's plaintext message is encoded into ciphertext at the encryption device b... | 06/15/1993 |
| 5216695 | Short pulse microwave source with a high prf and low power drain This invention describes a high voltage, very short pulse, microwave radiating source using low-cost components, and capable of operating at high pulse repetition frequencies (prf). The source is activated by an ordinary video trigger commensurate with dr... | 06/01/1993 |
| 5142579 | Public key cryptographic system and method A public key cryptographic system and method includes an insecure communications channel connecting at least two communicating complexes, a sender and a receiver. The sender possesses an encoding device and the receiver possesses a decoding device. The se... | 08/25/1992 |
| 4931771 | Optical fiber intrusion location sensor for perimeter protection of precincts A Precinct Protection System includes a laser source of light which is applied at the input to a bundle of light transmissive fibers. The fibers are gathered in a cable in loops of varying lengths so that the fibers enter and exit the cable at one and the... | 06/05/1990 |
| 4808915 | Assembly of electronic components testable by a reciprocal quiescent testing technique An electronic assembly is made up of a number of electronic components. Each of the electronic components having a means for putting the component in a quiescent state while the remaining components are in a functional state, thereby enabling the testing ... | 02/28/1989 |
| 4799145 | Facility for passing data used by one operating system to a replacement operating system A computer system includes a first processor with main memory, an input/output processor with associated memory and an archival memory. Prior to reloading a new operating system from archival memory into the main memory, information such as timer informat... | 01/17/1989 |
| 4787060 | Technique for determining maximum physical memory present in a system and for detecting attempts to access nonexistent memory A method for determining the maximum amount of physical memory present in a data processing system that can be configured to have one or more memory modules where the memory modules may be one of several types having different amounts of memory locations.... | 11/22/1988 |
| 4771286 | Lan controller having split bus design A split bus architecture which separates the processor/processors and the procedure memory coupled to a microprocessor (μP) bus from all direct memory access (DMA) devices coupled to a DMA bus. A coupler mechanism provides bus isolation of the microproce... | 09/13/1988 |
| 4769772 | Automated query optimization method using both global and parallel local optimizations for materialization access planning for distributed databases In a Distributed Database System (DDS), database management and transaction management are extended to a distributed environment among a plurality of local sites which each have transaction server, file server, and data storage facilities. The Materializa... | 09/06/1988 |
| 4768163 | Magnetic stripe and wand reader interface employing off-the-shelf programmable communications interface An apparatus and a method for interfacing a commercially-available programmable communication interface (PIC) with a magnetic swipe reader or a wand type reader. The invention modifies the raw signals of the magnetic wand and magnetic swipe readers by rem... | 08/30/1988 |
| 4749989 | Word processing composite character processing method A method for printing composite characters in a word processing system by multistriking two or more characters in the same character space. This method allows composite character graphics to be produced by using individual character graphics found within ... | 06/07/1988 |
| 4672360 | Apparatus and method for converting a number in binary format to a decimal format A data processing system having a central processing unit (CPU) capable of performing binary and decimal arithmetic software instructions is disclosed. Also disclosed is a method and apparatus for speeding conversion of a number in binary format to decima... | 06/09/1987 |
| 4638450 | Equal nine apparatus for supporting absolute value subtracts on decimal operands of unequal length A data processing system having a central processing unit (CPU) capable of performing binary and decimal arithmetic software instructions is disclosed. The CPU includes a microprocessor which executes the binary arithmetic software instructions under firm... | 01/20/1987 |
| 4626671 | Lens system for optically recorded storage card reader An optical storage card reading system using a cylindrical lens is disclosed which provides for a large viewing cone at the surface of the optical storage card thus improving the ability to read optically recorded data despite scratches or dust on the opt... | 12/02/1986 |
| 4615016 | Apparatus for performing simplified decimal multiplication by stripping leading zeroes Processor apparatus is described for performing binary and decimal arithmetic operations. In performing decimal multiplication with the processor apparatus, to reduce the amount of processing to be done with the apparatus and thereby speed up the performa... | 09/30/1986 |
| 4608659 | Arithmetic logic unit with outputs indicating invalid computation results caused by invalid operands What is disclosed is apparatus making up an arithmetic logic unit and utilizing a programmable read-only memory (PROM) to perform arithmetic functions for an associated processor. The PROM is used as a look-up table for computation results. Operands used ... | 08/26/1986 |
| 4604722 | Decimal arithmetic logic unit for doubling or complementing decimal operand A data processing system having a central processing unit (CPU) capable of performing binary and decimal arithmetic software instructions is described. The CPU includes a microprocessor which executes the binary arithmetic software instructions under firm... | 08/05/1986 |
| 4604695 | Nibble and word addressable memory arrangement Apparatus is provided for addressing a memory by word and by one of a number of nibbles within a word, with the ability to increment or decrement nibble and word addresses and thereby access adjacent nibbles and words without having to generate new nibble... | 08/05/1986 |
| 4600992 | Priority resolver with lowest priority level having shortest logic path A data processing system including a dual ported main memory that can be accessed by I/O controllers via a common bus or directly by the central processing unit. The main memory is comprised of a volatile RAM array that requires periodic refreshing to pre... | 07/15/1986 |
| 4587609 | Lockout operation among asynchronous accessers of a shared computer system resource A data processing system having a plurality of units includes a shareable unit which is shareable between two or more of the other units. Lock apparatus is provided in the shareable unit to allow a first unit to lock the shareable unit so that no other un... | 05/06/1986 |
| 4455606 | Logic control system for efficient memory to CPU transfers This disclosure relates to a control system for transferring binary words from a memory system. One thirty two bit double word may be loaded into a selected two of four sixteen bit registers. As a first of the two selected registers is read, another thirt... | 06/19/1984 |
| 4426680 | Data processor using read only memories for optimizing main memory access and identifying the starting position of an operand A data processing system which includes a commercial instruction processor for executing decimal alphanumeric instructions uses read only memories in the alignment of the operands. The characteristics of the operands, string or packed decimal, as well as ... | 01/17/1984 |
| 4390968 | Automated bank transaction security system A banking system is disclosed which comprises a central computer system in electrical communication with remote automated teller machines, wherein the architecture of the banking system is such that the likelihood of a security penetration is substantiall... | 06/28/1983 |
| 4285035 | Apparatus and method for rewrite data insertion in a three descriptor instruction In a microprogrammed data processing system in which the boundaries of the operands or data strings identified by the descriptors are not constrained to coincide with boundaries of the units of addressable memory space, i.e., words, the time required to r... | 08/18/1981 |
| 4124893 | Microword address branching bit arrangement A digital computing system includes an addressable read only memory for storing microprogram control words. A plurality of the microprogram control words each include a predetermined bit used for branching. When the predetermined bit within a control word... | 11/07/1978 |
| 4117997 | Motor isolation mount for disk drives In a data storage apparatus, a motor isolation mount for isolating a linear magnetic motor from a base plate so that forces imparted by the motor to the base plate do not excite resonance which might cause head-to-track positioning errors.... | 10/03/1978 |
| 4068225 | Apparatus for displaying new information on a cathode ray tube display and rolling over previously displayed lines A communications terminal having a video output wherein new data is displayed on the bottom line of the CRT and each line of previously displayed data is moved up one line. Logic internal to the terminal increments the address of the storage locations wit... | 01/10/1978 |
| 4068219 | Magnetic domain bias field assembly An improved bias field assembly for reducing power losses in a magnetic domain memory device. A preferred embodiment employs rectangular permanent magnets positioned above and below a drive coil/substrates assembly. Ferrite shields of the same general siz... | 01/10/1978 |
