Famous Patents
3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Number | Title | Issue Date |
| 6347139 | System for automatically routing calls to call center agents in an agent surplus condition based on agent occupancy The system for automatically routing calls to call center agents in an agent surplus condition provides the call center administrator with an automatic agent assignment paradigm which functions to automatically increase the efficiency of assigning multipl... | 02/12/2002 |
| 6332367 | Dual loop Coriolis effect mass flowmeter An apparatus for measuring the flow rate of a fluid flowing through a minimal flow pipeline with a Coriolis effect mass flowmeter. The flowmeter has a single flow tube with two loops. The loops are connected by a cross-over section. A driver oscillates th... | 12/25/2001 |
| 6320727 | Roller guiding system for delivery of tape media along a tape path A roller guiding system for delivery of magnetic tape media along a tape path between a tape drive employing a single reel and a tape cartridge employing a single reel. The roller guiding system comprises a plurality of guide rollers configured to adjust ... | 11/20/2001 |
| 6307500 | Method of moment estimation and feature extraction for devices which measure spectra as a function of range or time The computation system of the present invention comprises an improved method of moment estimation for devices which measure spectra as a function of range or time. The preferred embodiment of this system is illustrated as part of an automated meteorologic... | 10/23/2001 |
| 6292899 | Volatile key apparatus for safeguarding confidential data stored in a computer system memory The data security system uses a volatile key apparatus to create and manage a master file, comprising a single encrypted file that is stored on the hard drive of the computer system. The master file contains all of the passwords, cryptokeys and security c... | 09/18/2001 |
| 6292551 | Call reestablishment system The call reestablishment system functions to provide the user with the ability to replace an existing communication connection with another equivalent communication connection in an automated manner that does not disrupt the existing call and to also prov... | 09/18/2001 |
| 6285877 | Cellular call processor having concurrent instances of call models to support mixed media communication connections The cellular call processor having concurrent instances of call models supports mixed media communication connections. The cellular call processor processes each of the media components of the mixed media communication connection in an independent, yet co... | 09/04/2001 |
| 6283916 | Expert system soft tissue active motion technique for release of adhesions and associated apparatus for facilitating specific treatment modalities A method for the non-surgical treatment of soft tissue lesions includes placing a contact point near the lesion and causing the patient to move in a manner that produces a longitudinal sliding motion of soft tissues, e.g., nerves, ligaments, and muscles, ... | 09/04/2001 |
| 6282429 | System for providing prioritized wireless communication service to wireless communication subscribers The system for providing prioritized wireless communication service to wireless communication subscribers provides the capability to restrict access to wireless communications services to a selected set of subscribers, such that their access to wireless c... | 08/28/2001 |
| 6278999 | Information management system for personal health digitizers The present information management system for personal health digitizers. This system provides a centralized database that collects and stores monitoring data from a large number of individuals who are termed "consumers" herein. The information management... | 08/21/2001 |
| 6275571 | System for direct suppressed ringing access of subscriber lines The system for direct suppressed ringing access of a subscriber line enables the service provider to access subscriber lines from any location, as long as the incoming call is identified and authenticated as a suppressed ringing access call. The central o... | 08/14/2001 |
| 6267183 | Fire suppressant foam generation apparatus The fire suppressant foam generation and application apparatus comprises a backpack mounted unit that produces a low moisture content fire suppressant foam for use in fire fighting applications. This apparatus draws fire suppressant foam concentrate from ... | 07/31/2001 |
| 6263068 | Remote subscriber line unit provisioning system for use with voice communication facilities The remote subscriber line unit provisioning system which operates on a shared facilities basis with the voice communication facilities of the remote subscriber line unit. This architecture eliminates the need for dedicated communication facilities to int... | 07/17/2001 |
| 6262650 | Coil former A coil former for constructing coil transformers. The coil former comprises a rectangular casing having a central interior cavity. The casing is configured to form the coil for the transformer and connect and align a pair of transformer cores to form a su... | 07/17/2001 |
| 6257514 | Guiding assembly for protecting a magnetic tape head A guiding assembly in a tape drive employing a single reel for preventing damage to a tape head during the loading and unloading of magnetic tape media from a tape cartridge also employing a single reel. The guiding assembly has a tape guide configured to... | 07/10/2001 |
| 6256220 | Ferroelectric memory with shunted isolated nodes A ferroelectric memory includes memory cells comprising a transistor having a source/drain, a ferroelectric capacitor having a first electrode and a second electrode. A plate line is connected to each of the second electrodes. In each memory cell, the fir... | 07/03/2001 |
| 6255121 | Method for fabricating ferroelectric field effect transistor having an interface insulator layer formed by a liquid precursor A method for forming an interface insulator layer in a ferroelectric FET memory, in which a liquid precursor is applied to a semiconductor substrate. Preferably, the liquid precursor is an enhanced metalorganic decomposition ("EMOD") precursor, applied us... | 07/03/2001 |
| 6256685 | Delay data block release system in a disk drive A system for delaying the release of a memory space holding a data block in a disk drive controller until an acknowledge signal is received. The present invention is implemented in a disk drive controller having a memory buffer. The disk drive controller ... | 07/03/2001 |
| 6253083 | Mobile switching center for providing wireless access Ho The system for wireless communication connection handoff service addresses the CDMA radio congestion problem from the mobile switching center point of view, thereby providing a unified approach to the problem of access failures for CDMA wireless communica... | 06/26/2001 |
| 6251287 | Apparatus and method for treating liquids A system for treating a nitrate contaminated liquid to remove deleterious or undesirable nitrates therefrom wherein a supply of ionized nitrogen is entrained into a continuous stream of a nitrate contaminated liquid and thereafter is exposed to treating a... | 06/26/2001 |
| 6249831 | High speed RAID cache controller using accelerated graphics port The high-speed, multi-device PCI bus communication system of the invention includes a host CPU and a chip set for connecting the host CPU to a first, low speed PCI bus. The chip set has an accelerated graphics port. A VLSI device such as a RAID cache cont... | 06/19/2001 |
| 6246474 | Method and apparatus for measurement of particle size distribution in substantially opaque slurries A very sensitive particle distribution probe uses special processing including a modified Twomey/Chahine iterative convergence technique and a specially constructed sample cell to obtain particle size distribution measurements from optically dense slurrie... | 06/12/2001 |
| 6236720 | Distributed subscriber adjunct services system The distributed subscriber adjunct services system functions to implement a distributed presence of the subscriber adjunct service over the extent of a telecommunication network. The subscriber can thereby access the functionality of their home subscriber... | 05/22/2001 |
| 6236076 | Ferroelectric field effect transistors for nonvolatile memory applications having functional gradient material A nonvolatile nondestructible read-out ferroelectric FET memory comprising a semiconductor substrate, a ferroelectric functional gradient material ("FGM") thin film, and a gate electrode. In one basic embodiment, the ferroelectric FGM thin film contains a... | 05/22/2001 |
| 6233332 | System for context based media independent communications processing The present media independent communications processing system functions to provide business useful services to customers with the anymedia resources that are required to satisfy the customer's request. In particular, the system carries call information a... | 05/15/2001 |
| 6227824 | Fluid pump without non-return valves A fluid pump has a pump body and a displacer which is adapted to be positioned at a first and at a second end position by means of a drive, the displacer and the pump body being implemented such that a pump chamber is defined therebetween, and the pump ch... | 05/08/2001 |
| 6226195 | Circuitry for supplying a controlled signal to a drive system Circuitry that provides alternating current to a load from a unipolar power supply. A current source in the circuitry controls current applied to the load. A first switch and a second switch are connected between the load and the current source and allow ... | 05/01/2001 |
| 6225156 | Ferroelectric integrated circuit having low sensitivity to hydrogen exposure and method for fabricating same A hydrogen barrier layer is formed above a ferroelectric thin film in an integrated circuit. The hydrogen barrier layer is directly over a protected segment of the ferroelectric thin film, while a sacrificial segment of the ferroelectric thin film extends... | 05/01/2001 |
| 6225656 | Ferroelectric integrated circuit with protective layer incorporating oxygen and method for fabricating same A protective layer in a ferroelectric integrated circuit contains small amounts of oxygen to protect ferroelectric oxide material against hydrogen degradation during the fabrication process. Typically, the protective layer is a hydrogen diffusion barrier ... | 05/01/2001 |
| 6223237 | Expandable communications bus An Expandable communications bus system for transferring data between a plurality of devices. The expandable communications bus system is comprised of a plurality of communication busses each capable of transferring n bits of data between devices. A devic... | 04/24/2001 |
| 6219415 | Call hold state notification across a communications network The call hold state notification system functions to provide an indication to the parties presently served by the existing call connection that the original hold state has been terminated. This is accomplished by enabling both parties (multiple parties on... | 04/17/2001 |
| 6207465 | Method of fabricating ferroelectric integrated circuit using dry and wet etching In a ferroelectric integrated circuit, a hydrogen barrier layer comprising titanium or titanium nitride or both is formed over a metal oxide element to protect it from hydrogen degradation. After hydrogen annealing and other process steps causing hydrogen... | 03/27/2001 |
| 6203619 | Multiple station apparatus for liquid source fabrication of thin films An apparatus and method are disclosed for fabricating thin films for use in an active component of an integrated circuit by the use of an assembly line type process. A plurality of substrate stations are located on a platen which is rotated to move each s... | 03/20/2001 |
| 6202115 | Fault tolerant redundant bus bridge systems and methods First and second bus bridges, e.g., first and second RAID disk controllers, are operative to communicate between a first bus and a second bus via respective first and second caches and to transfer information from the first bus bridge to the second cache ... | 03/13/2001 |
| 6201731 | Electronic memory with disturb prevention function A ferroelectric destructive read-out memory system includes a power source, a memory array including a memory cell, and a logic circuit for applying a signal to the memory array. Whenever a low power condition is detected in said power source, a disturb p... | 03/13/2001 |
| 6198225 | Ferroelectric flat panel displays A thin film of ferroelectric layered superlattice material in a flat panel display device is energized to selectively influence the display image. In one embodiment, a voltage pulse causes the layered superlattice material to emit electrons that impinge u... | 03/06/2001 |
| 6198086 | Image signal sensing process including altering charges of capacitances In a method for detecting an image signal by means of an array (30) of photosensitive devices (10) with each of which the charge of a capacitance (12) can be altered, an optical signal (20) of each photosensitive device is first detected by means of the f... | 03/06/2001 |
| 6199022 | Drive circuit modal filter for a vibrating tube flowmeter A drive system for a vibrating tube-based measurement instrument employing a spatial filter to produce a drive signal having modal content only at a desired vibration mode. Multiple feedback sensors located at different locations along a vibrating tube pr... | 03/06/2001 |
| 6194227 | Method of producing a bismuth layer structured ferroelectric thin film The surface of a Si substrate is coated with a lower electrode of precious metal (Pt), then a buffer layer comprising an oxide thin film containing Bi is deposited. On the surface of the buffer layer, a thin film of a Bi layer structured ferroelectric sub... | 02/27/2001 |
| 6192563 | Apparatus having improved cycle time for removing a PC board from a panel A system having improved cycle time for removing PC boards from a connected panel. In accordance with the present invention, a pair of walking clamps are used to receive a panel from a subsequent processing system, and a movable receiving nest is used to ... | 02/27/2001 |
