...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 7729450 | Spread spectrum signal receiver A proposed spread spectrum signal receiver includes a radio front-end unit and a processing unit. The radio front-end unit, in turn, has an antenna, a digitizing circuit and a primary buffer unit. The antenna is adapted to receive radio signals (SHF) from... | 06/01/2010 |
| 7008846 | Non-volatile floating gate memory cell with floating gates formed as spacers, and an array thereof, and a method of manufacturing A non-volatile memory cell has a single crystalline semiconductive material, such as single crystalline silicon, of a first conductivity type. A first and a second region each of a second conductivity type, different from the first conductivity type, spaced apart fr... | 03/07/2006 |
| 6972994 | Circuit and a method to screen for defects in an addressable line in a non-volatile memory A circuit to screen for defects in an addressable line in a non-volatile memory array comprises a current mirror circuit which has a plurality of mirroring stages. The current mirror circuit is connected to the addressable line and receives a control signal and mirr... | 12/06/2005 |
| 6969687 | Method of planarizing a semiconductor die A method of CMP planarizing a silicon dioxide layer on a silicon nitride in the semiconductor die is disclosed. A wafer has a plurality substantially identical semiconductor dies defined on the wafer. Each of the dies is separated from one another by a scribe line. ... | 11/29/2005 |
| 6960803 | Landing pad for use as a contact to a conductive spacer A landing pad for use as a contact to a conductive spacer adjacent a structure in a semiconductor device comprises two islands, each of which is substantially rectangularly shaped and is spaced apart from one another and from the structure. Conductive spacers are ad... | 11/01/2005 |
| 6693645 | Optimized BIFS encoder An apparatus and method of processing a data file, by determining a range of values assumed by parameters in a hierarchy of nodes. The processing includes calculating a quantization parameter, based on an acceptable distortion level, indicating a desired ... | 02/17/2004 |
| 6670845 | High D.C. voltage to low D.C. voltage circuit converter A high DC voltage to low DC voltage circuit has a first NMOS transistor with the first terminal connected to the source of the high DC voltage and the second terminal connected to supply the low DC voltage. The gate is connected to a middle node of a resi... | 12/30/2003 |
| 6191642 | Charge pump circuit A charge pump circuit is provided which includes a plurality of successively coupled charge pump stages. Each of these successively coupled charge pump stages receives at least one input signals and at least one clock input signals, and in accordance ther... | 02/20/2001 |
| 6184978 | Method and apparatus for verifying uniform flow of a fluid sample through a flow cell and distribution on a slide Particles in a fluid are counted as the fluid flows through an examination area of a particle analyzer. Parameters based upon the particle count are calculated. It is determined whether the at least one calculated parameter is within an allowable range fo... | 02/06/2001 |
| 6141624 | Fluid sample for analysis controlled by total fluid volume and by total particle counts A fluid sample contains a plurality of different types of particles of interest. The method sets a limit for the maximum volume of the fluid sample to be analyzed, a limit for each of the different plurality of particle types, and a limit for the maximum ... | 10/31/2000 |
| 6134144 | Flash memory array A novel flash memory array has an array of memory cells with each memory cell being of a floating gate memory transistor with a plurality of terminals. The memory cells are arranged in a plurality of rows and a plurality of columns, with a word line conne... | 10/17/2000 |
| 6134149 | Method and apparatus for reducing high current during chip erase in flash memories A method and an apparatus is provided to decrease the erase current level by subdividing the memory array into small segments and cycle through complete address space sequentially during the chip erase operation. Therefore, the transient erase current is ... | 10/17/2000 |
| 6097636 | Word line and source line driver circuitries A word line and source line decoder driver circuit has at least one word line, at least one source line, a row decoder driver circuit displaced at a first side of a memory array and a high voltage circuit displaced at an opposite side of the memory array.... | 08/01/2000 |
| 6057575 | Scalable flash EEPROM memory cell, method of manufacturing and operation thereof A scalable flash EEPROM cell has a semiconductor substrate with a drain and a source and a channel therebetween. A select gate is positioned over a portion of the channel and is insulated therefrom. A floating gate has a first edge and a second edge with ... | 05/02/2000 |
| 5973694 | Method of communication using sized icons, text, and audio Language oriented information is communicated to and from a user by the use of a computer with a dynamic graphics display, having a pointing device for visually indicating a position through a cursor on the display. Various embodiments of the method inclu... | 10/26/1999 |
| 5940454 | Blind switch diversity control apparatus A receiver for receiving a radio signal carrying digitally-encoded data has a plurality of diversity antennas, respectively coupled to inputs of a selector. A received signal selected by the selector is equalized by an adaptive equalizer and then demodula... | 08/17/1999 |
| 5910914 | Sensing circuit for a floating gate memory device having multiple levels of storage in a cell A sensing circuit for sensing the multiple states of a selected memory cell of a floating gate memory device is disclosed. The sensing circuit has a first voltage amplifier which generates a first output voltage, and a plurality of current amplifiers whic... | 06/08/1999 |
| 5886887 | Voltage multiplier with low threshold voltage sensitivity A voltage multiplier has a number of electrically-like stages. Each of the stages receives two input signals and a pump signal. The stage has an MOS transistor with a first source/drain region and a second source/drain region and a gate. Each stage also h... | 03/23/1999 |
| 5745268 | Vascular portable assistant computer system The present invention comprises an apparatus for communicating, monitoring, and gathering data from and with a plurality of electrical devices connected to predetermined points on a network of equipment. The present invention is particularly suitable for ... | 04/28/1998 |
| 5745551 | Telecommunication apparatus for receiving, storing and forwarding a plurality of voice signals to a wireless network, in response to a control signal therefrom In the present telecommunication system, a wired network receives a plurality of voice signals and transmits them. A first communication device is connected to the wired network. The first communication device includes means for receiving the plurality of... | 04/28/1998 |
| 5668757 | Scalable flash eeprom memory cell and array A scalable flash EEPROM cell has a semiconductor substrate with a drain and a source and a channel therebetween. A select gate is positioned over a portion of the channel and is insulated therefrom. A floating gate has a first portion over the select gate... | 09/16/1997 |
| 5652468 | Cross-over compensation circuit A cross-over compensation circuit for use in controlling the start of a vehicle has a delay apparatus which can be programmed to set the handicap period and the delay period. In addition, the delay apparatus has user selectable means for setting a compens... | 07/29/1997 |
| 5650724 | Magnetic-resonance imaging apparatus A magnetic-resonance imaging apparatus of the present invention comprises a gantry having a subject-placeable inner space and a local coil assembly insertable into an inner space of the gantry. The gantry has a static magnetic field magnet for creating a ... | 07/22/1997 |
| 5627878 | Telecommunication apparatus for receiving, storing and forwarding a plurality of electrical signals to a wireless network, in response to a control signal therefrom In the present telecommunication system, a wired network receives a plurality of electrical signals, such as voice signals and transmits them. A first communication device is connected to the wired network. The first communication device includes means fo... | 05/06/1997 |
| 5627468 | Method and system for carrying out magnetic resonance imaging using the MTC effect for angiography A magnetic resonance imaging method and system utilizing a magnetization transfer contrast pulse that includes executing a first sequence including the application of the magnetization transfer contrast pulse to an examinee and executing a second sequence... | 05/06/1997 |
| 5625709 | Method and apparatus for identifying characteristics of an object in a field of view To identify the boundary pixels of a number of particles in the same field of view, an electrical image of the field of view is formed by a CCD raster scan device. The electrical signal from the CCD device is segmented and is digitized. The signals are pr... | 04/29/1997 |
| 5572054 | Method of operating a single transistor non-volatile electrically alterable semiconductor memory device A single transistor electrically programmable and erasable memory cell is disclosed. The single transistor has a source, a drain with a channel region therebetween, defined on a substrate. A first insulating layer is over the source, channel and drain reg... | 11/05/1996 |
| 5532885 | Magnetic recording/reproducing apparatus having integrated circuit for holding low frequency full wave rectified signal A magnetic recording/reproducing apparatus for reproducing data recorded on a recording medium based on the signal read by a head contains a filter circuit which restricts the frequency range of the read signal and allows the low frequency read signal to ... | 07/02/1996 |
| 5530356 | Method and apparatus for generating magnetic fields for nuclear magnetic resonance imaging with cross-talk compensation A generation of magnetic fields for a nuclear magnetic resonance imaging capable of preventing the occurrence of the cross-talk between coils for generating the magnetic fields easily. A coil system having a plurality of channels for generating magnetic f... | 06/25/1996 |
| 5530907 | Modular networked image processing system and method therefor A modularly configured networked document processing system has a plurality of computers communicating over a local area network. The system has fax servers and scanners to convert documents into image signals, work stations to recognize character signals... | 06/25/1996 |
| 5526813 | Method and apparatus for heart beat synchronous nuclear magnetic resonance imaging A method and an apparatus for heart beat synchronous nuclear magnetic resonance imaging capable of improving the quality of the nuclear magnetic resonance images synchronous with the heart beat by reducing erroneous generation of synchronization signals d... | 06/18/1996 |
| 5513638 | Method of collecting image data of MRI and magnetic resonance imaging apparatus In an method of collecting image data in magnetic resonance imaging, a sequential order for collecting image data of the plurality of sliced planes including a most clinically important sliced plane is decided by a sequential order decision unit. Synchron... | 05/07/1996 |
| 5514957 | Positioning in magnetic resonance imaging In magnetic resonance imaging, prepared first is a three-dimensional image data consisting of a plurality of tomographic image data of a diagnostic portion of an object being examined. Then, data of a pilot image in the three-dimensional image data are de... | 05/07/1996 |
| 5510744 | Control circuit for reducing ground and power bounce from an output driver circuit A control circuit for controlling the power or bounce of an output driver circuit is disclosed. The control circuit can sense the output voltage and/or the bounce and then adjust the control node voltage of the output driver circuit accordingly. In additi... | 04/23/1996 |
| 5508612 | Magnetic resonance imaging apparatus and method A magnetic resonance imaging apparatus is provided which generates a plurality of echoes by applying a 90° RF pulse for magnetically exciting spins and subsequently repetitively applying a 180° RF pulse for inverting the phase of the magnetized spin. In... | 04/16/1996 |
| 5501218 | Method of scanning in MRI A method of scanning in magnetic resonance imaging is disclosed. In the method, a desired diagnostic portion of an object is diagnosed, and then two different slicing planes according to the designated diagnostic portion are selected. Then, magnetic reson... | 03/26/1996 |
| 5500826 | Solid state peripheral storage device A solid state peripheral storage device receives an LSN address from a computer system and provides a mapping to a PSN data. The PSN data addresses memory units which are made out of solid state floating gate storage cells. In addition, a microsequencer c... | 03/19/1996 |
| 5491726 | Method and apparatus to determine the frequency and time slot position in a digital wireless communication session A digital wireless communication system operates between a first unit and a second unit. The received digitally encoded signal is sampled to produce a first sampled digital signal. A first bank of match filters with each match filter having a different fr... | 02/13/1996 |
| 5491467 | Location independent intrusion detection system A dual technology intrusion detection device has a microwave detection sub-system, employing a bent mono-pole as an antenna to generate a symmetrical conically shaped volume of protection. The intrusion detection system also has a passive infrared intrusi... | 02/13/1996 |
| 5490508 | Magnetic resonance imaging diagnosis apparatus having mat for use with small body A magnetic resonance diagnosis apparatus having a diagnosis mat by which the position of the surface coil is accurately confirmed. The magnetic resonance imaging diagnosis apparatus includes a gantry for enclosing a biological body so as to provide an ima... | 02/13/1996 |