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| Patent # | Description |
|---|---|
| US-6,084,850 |
Method for optical data storage and optical data storage media In a method for optical data storage with high density, there are employed as the data carrying medium a number of flat, thin memory components in the form of... |
| US-6,084,849 |
Shape memory alloy recording medium, storage devices based thereon, and
method for using these storage devices The present invention concerns a storage medium for scanning probe storage devices. This storage medium comprises a substrate (20) carrying a shape memory alloy... |
| US-6,084,848 |
Two-dimensional near field optical memory head Disclosed is an optical memory head in which a vertical cavity surface emitting laser array constituted by laying out, in a matrix form, a large number of... |
| US-6,084,847 |
Light pickup An optical pickup capable of recording or reproducing information from optical disks having different recording densities includes a first optical unit having a... |
| US-6,084,846 |
Liquid immersion lens for optical data storage A slider for an optical read head includes a liquid-immersion-lens between an objective lens and an optically transparent base of the slider. The ... |
| US-6,084,845 |
Optical head and an optical disk apparatus An optical head has a first light source; a second light source; a transmitting and reflecting element having a first surface and a second surface, and used to... |
| US-6,084,844 |
Optical head assembly An optical head assembly comprises a laser light source, an objective lens for converging laser light rays emitted from the laser light source at an optical... |
| US-6,084,843 |
Optical recording and reproducing apparatus and method The present invention provides a compact recording and reproducing apparatus capable of playing back DVD and CDs including CD-R. This apparatus comprises a means... |
| US-6,084,842 |
Reflective light beam focusing device with multiple focal points A multiple focal light beam generating device is provided with a multiple focal mirror device, to which a light beam is incident from a front side thereof. The... |
| US-6,084,841 |
Optical pickup device having heat radiating mechanism An optical pickup device includes at least four light-receiving-surface elements, at least two semiconductor lasers, and an optical system for irradiating a... |
| US-6,084,840 |
Optical pickup for use with a recording medium An optical pickup is provided which includes a light source and an objective lens for converging incident light from the light source onto a recording medium.... |
| US-6,084,839 |
Method of reducing formatting time for rewritable compact disks by
formatting less than the entire logical format A method of formatting rewritable compact optical disks. In some example embodiments, a disk is initially partially formatted for immediate useability, and then... |
| US-6,084,838 |
Disc transfer apparatus for disc player Provision of a disc transfer apparatus for a disc player, which is free from damage to disc, small in size and simple in construction. A push-back member and a... |
| US-6,084,837 |
Apparatus for reproducing information recorded on a recording medium,
having a crosstalk reducing circuit An apparatus for reproducing information recorded on a recording medium includes a signal reader for outputting signals read from a main track on the recording... |
| US-6,084,836 |
Defect detection apparatus for detecting defects on a recording medium
and reading apparatus incorporating the... A defect detection apparatus has a simple constitution and performs accurate defect detection while clearly differentiating between defect detection and tracking... |
| US-6,084,835 |
Device for scanning optical discs using phase detection in a system with
significant objective lens movement Tracking error signal in an optical read/write device, such as a CD ROM, are fine tuned for deviations in the positions of the lens structure normal to the... |
| US-6,084,834 |
Optical pickup with a compact design An optical pickup includes an objective-lens driving device including a movable section provided with an objective lens, a focusing coil, and tracking coils, and... |
| US-6,084,833 |
System for storing a plurality of recorded mediums in a reproducing
system A plurality of rotary circular racks are vertically disposed. Each of the racks has a plurality of radial slits, for storing recording mediums, and a radially... |
| US-6,084,832 |
Automatic disc changer for a disc reproducing device An automatic disc changer having a disc player, a disc holder for storing a plurality of discs, and a disc loading device for carrying a disc from the disc... |
| US-6,084,831 |
Apparatus and method of averaging disk transfer rate including division
of disks into disks accessible in a... A disc control apparatus handles an even number of disc-shaped recording mediums run in rotation at a constant angular velocity and to which addresses are... |
| US-6,084,830 |
Signal reproducing apparatus for reproducing information by moving
magnetic walls A micro mark on a magnetic recording medium is reproduced in a signal reproducing apparatus by causing a magnetic wall to move on the recording medium. A partial... |
| US-6,084,829 |
Information apparatus capable of selectively recording audio signal An apparatus for recording, storing and retrieving electronic information allows the division of incoming information into separate events or portions of an... |
| US-6,084,828 |
Timepiece and chronometer with overlapping, separately driven analog and
digital displays A timepiece and chronometer with a superimposed analog/digital display arrangement. The timepiece comprises a watch case with a back and a display area, a... |
| US-6,084,827 |
Dual-head multibeam sonar apparatus and method for tracking objects
underwater An apparatus and method are provided for tracking the position in three dimensions of one or more objects underwater. Two multibeam sonar heads are positioned to... |
| US-6,084,826 |
Measurement-while-drilling acoustic system employing multiple, segmented
transmitters and receivers This invention is directed toward apparatus and methods for obtaining acoustic measurements or "logs" of earth formations penetrated by a borehole. More... |
| US-6,084,825 |
Apparatus and methods for seismic data processing A method of determining an optimum processing sequence by calculation of processing sequence sensitivity and processing sequence error. A reference seismic... |
| US-6,084,824 |
Optical card reader including mechanical scanning assembly An optical reader includes a mechanical scanning assembly for scanning an optical card such as an OC-ROM. The scanning assembly includes a linear LED array, a... |
| US-6,084,823 |
Synchronous semiconductor memory device and bus control method There is provided a semiconductor integrated circuit memory comprising banks each having at least one memory cell array and connected to a first data bus. Each... |
| US-6,084,822 |
Semiconductor synchronous memory device responsive to external masking
signal for forcing data port to enter... A synchronous dynamic random access memory device is responsive to external commands so as to write a data bit into and read out the data bit from a memory cell... |
| US-6,084,821 |
Semiconductor storage device having a divided word line structure There is described a divided word line semiconductor storage device including a plurality of sub-word lines each having an open end and a main word line provided... |
| US-6,084,820 |
Dual port memory device with vertical shielding A dual port memory device comprises a first group of bit lines corresponding to a first port of the device, a second group of bit lines corresponding to a second... |
| US-6,084,819 |
Multi-bank memory with word-line banking A multiple bank memory array includes a combined memory array, an X-decoder, a first word-line driver, a second word-line driver, a reference column, a... |
| US-6,084,818 |
Semiconductor memory device capable of efficient memory cell select
operation with reduced element count Four subordinate word lines are driven for a single main word line. In a subordinate word driver circuit, a bank select line activated allows a potential level... |
| US-6,084,817 |
Semiconductor memory with transfer buffer structure A plurality of sense amplifiers are provided between a plurality of memory cell arrays having a plurality of memory cells. These sense amplifiers are connected... |
| US-6,084,816 |
Semiconductor memory device A semiconductor memory device includes a memory cell array having memory cells arranged in rows and columns. Bit lines are coupled to the memory cells in... |
| US-6,084,815 |
Semiconductor device A semiconductor device includes plural fuse wiring paths which extend substantially parallel to each other in a first direction, each of the fuse wiring paths... |
| US-6,084,814 |
Antifuse detection circuit An antifuse detection circuit is described which uses a latching circuit and two antifuses. The antifuses are coupled between the latch circuit and ground. The... |
| US-6,084,813 |
Apparatus and method for controlling memory backup using main power
supply and backup power supply In a system using a clock synchronous type synchronous DRAM (SDRAM), when a power supply voltage monitoring circuit informs a timing circuit of a decrease in... |
| US-6,084,812 |
Device and method for varying bit line precharge voltage in
semiconductor memory Device and method for varying a bit line precharge voltage in a semiconductor memory, in which the bit line precharge voltage is varied with a chip temperature... |
| US-6,084,811 |
Phased sense amplifiers A sensing arrangement (100) for a dynamic random access memory (DRAM) is disclosed. The sensing arrangement (100) includes a sense amplifier bank (104) that is... |
| US-6,084,810 |
Dynamic logic circuit with bitline repeater circuit A dynamic logic circuit is provided. The dynamic logic circuit includes at least one bitline. At least one repeater circuit is inserted into each bitline. The... |
| US-6,084,809 |
Main amplifier circuit and input-output bus for a dynamic random access
memory A semiconductor memory is provided with a main amplifier circuit that is capable of selectively driving and precharging two I/O buses in conjunction with a write... |
| US-6,084,808 |
Circuits and methods for burn-in of integrated circuits using potential
differences between adjacent main word... External address signals are applied to an integrated circuit in a burn-in test mode. The external address signals control the voltage levels of adjacent main... |
| US-6,084,807 |
Memory device with global redundancy A memory device with global redundancy repair architecture and method of employing same. In the memory device containing blocks of normal memory cells, redundant... |
| US-6,084,806 |
Semiconductor memory device A semiconductor memory device (100) includes a normal cell array and a redundant cell array. When a normal cell array location is to be replaced by selecting the... |
| US-6,084,805 |
Synchronous memory with programmable read latency The present invention is directed to a logic circuit for controlling the read latency time of a memory circuit. The logic circuit includes a first circuit for... |
| US-6,084,804 |
Memory row driver with parasitic diode pull-down function An integrated circuit memory array has a plurality of rows of memory cells, each row of memory cells being coupled to a respective row line for enabling the... |
| US-6,084,803 |
Initialization of non-volatile programmable latches in circuits in which
an initialization operation is performed A non-volatile programmable latch (110) in an integrated circuit (310) is initialized by an initialization signal (SET). At least a portion of the initialization... |
| US-6,084,802 |
Semiconductor integrated circuit device A pipe-line control of internal circuits is performed by an internal clock whose timing does not depend on a predetermined phase difference to the phase of an... |
| US-6,084,800 |
Circuit of boosting a voltage for use in a flash memory device Disclosed is a circuit of boosting a voltage which comprises a driver circuit for generating a kick signal for driving word lines via row decoder circuits in an... |
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