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| Number | Title | Issue Date |
| 6297672 | CMOS integrated circuit In a ultra-large scale integrated circuit of CMOS structure, high speed operation can be performed without being affected by the wiring capacitance and the gate input capacitance. A current-output type gate is used as a transmitting gate 11, and a capacit... | 10/02/2001 |
| 6275181 | Radio hologram observation apparatus and method therefor Antenna elements A1 to A24 of a ring-shaped array antenna are selectively connected to power combiners each with a switch SH1, SH2 and SH3 one after another. When a direct wave and a reflected wave arrive in the directions of the antenna elements A5 and A... | 08/14/2001 |
| 6275020 | Frequency analysis method and sweep type spectrum analyzer There are provided a frequency analysis method permitting a frequency analysis to be performed at a high rate and a sweep type spectrum analyzer using such frequency analysis method. In the case of multiplying a signal to be measured by a main swept frequ... | 08/14/2001 |
| 6271657 | Test head positioner for semiconductor device testing apparatus A hand-operated test head positioner for positioning the test head of a semiconductor device testing apparatus is provided which is easy to operate, highly safe in operation, and yet inexpensive. Two air cylinders are installed one at each of two opposed ... | 08/07/2001 |
| 6262732 | Method and apparatus for managing and navigating within stacks of document pages An apparatus and method for an information processing system are disclosed for improved manipulation of documents consisting of multiple pages. In one embodiment, a multi-page document is depicted by a representation of a stack of pages and a request area... | 07/17/2001 |
| 6257933 | Connector A connector is provided which is capable of being brought into good electrical contact with electrical connector portions formed on the surface of a printed board without deforming the printed board. In a connector comprising an elongated base member 21, ... | 07/10/2001 |
| 6259331 | YIG oscillator and method of manufacturing the same A variable-tuned type YIG oscillator accompanied with substantially no mechanical variations in the resonance circuit and a method of manufacturing the same are provided. An amplifier element, electrode, circuit pattern and others of the oscillator circui... | 07/10/2001 |
| 6259809 | System and method for recognition of image information An image information recognition system is provided which quantifies an angle of rotation and/or magnification of a wiring pattern in an image to facilitate a subsequent image retrieval. The system comprises edge detecting means which detects an edge comp... | 07/10/2001 |
| 6257771 | Opitcal/electrical hybrid wiring board and its manufacturing method An optical fiber-embedded layer is provided as one layer of a multiple-layered electrical wiring board comprising a mother board having an electrical circuit mounted therein. The optical fiber-embedded layer is formed through its surface with an aperture ... | 07/10/2001 |
| 6255839 | Voltage applied type current measuring circuit in an IC testing apparatus An IC tester in which a voltage applied type current measuring circuit can be omitted is provided. A current detecting resistance element 21 is inserted into and in series with the output side of a driver 13 which is used in performing a function test for... | 07/03/2001 |
| 6255842 | Applied-voltage-based current measuring method and device An applied-voltage-based current measuring apparatus in which an operational amplifier is supplied at its non-inverting input terminal with a predetermined voltage and at its inverting input terminal with a voltage to be applied to a load. A current measu... | 07/03/2001 |
| 6255843 | Semiconductor integrated circuit testing apparatus and composite semiconductor integrated circuit testing apparatus There is provided an inexpensive composite IC tester that can test an IC having many pins. There are provided in each of IC testers proper a disconnecting device for disconnecting a controller from a tester bus, a bus connector, an original clock stopper ... | 07/03/2001 |
| 6255618 | Method and apparatus for spot welding a work having a plurality of welding materials placed on top of each other by boring a hole to release vapors A plasma arc welding for effectively letting gases of low boiling point substances for coating a steel sheet escape, ensuring the escape of a molten metal into gaps between the steel sheets and eventually accomplishing satisfactory plasma arc welding. A h... | 07/03/2001 |
| 6253360 | Timing generator A timing generator capable of setting data indicating that a timing signal is to be generated in the next cycle, even in the case of generating test pattern signals in multiple way system is provided. In each of clock data processing circuits of N timing ... | 06/26/2001 |
| 6249533 | Pattern generator There is provided a pattern generator which is capable of utilizing memory blocks connected to unused pins of a DUT. A pattern address from a vector generation control 1 and a control signal from a control table buffer 2 are used to control an address con... | 06/19/2001 |
| 6243739 | Reducing perceived latency in servicing user requests on low-bandwidth communication channels Access to hypermedia servers connected to networks such as the Internet can be provided through mobile devices such as wireless telephones. Unfortunately, limitations in processing power and memory space of the mobile device and limitations bandwidth of t... | 06/05/2001 |
| 6236810 | Fluid temperature control device A fluid temperature control device, which has a high cooling capacity, wide controllable temperature range and an excellent temperature control accuracy. A transparent cylinder (3) is inserted in a cylindrical-shaped vessel (1), and a columnar-shaped heat... | 05/22/2001 |
| 6225798 | Semiconductor device tester In an IC tester comprising a tester part and a handler which includes two test stations or an IC tester comprising a tester part and two handlers, useless waiting times wasted by the tester part are eliminated. Means (SO) is provided for inputting a simul... | 05/01/2001 |
| 6226230 | Timing signal generating apparatus and method A timing signal generating apparatus capable of automatically detecting any erroneous set state that a pulse duration of a test pattern signal and a time duration between adjacent two pulses of the test pattern signal have been set in a program with the d... | 05/01/2001 |
| 6226608 | Data framing for adaptive-block-length coding system An audio encoder applies an adaptive block-encoding process to segments of audio information to generate frames of encoded information that are aligned with a reference signal conveying the alignment of a sequence of video information frames. The audio in... | 05/01/2001 |
| 6218849 | Device for detecting proper mounting of an IC for testing in an IC testing apparatus An IC testing apparatus which overcomes the shortcoming of the prior art by permitting a recognition of the attitude of an IC being measured in a proper manner to each variety of IC's in a simple and facilitated manner is disclosed. IC testing apparatus i... | 04/17/2001 |
| 6215809 | Stabilization of laser sources with closely-coupled optical reflectors using an internal dither circuit Apparatus for providing a laser source optically coupled to an optical waveguide, such as an optical fiber, having a reflective grating positioned from the output facet of the laser source a distance equal to or greater than the coherence length of the la... | 04/10/2001 |
| 6188987 | Providing auxiliary information with frame-based encoded audio information Blocks of encoded audio information are arranged in frames separated by gaps or guard bands that are aligned with frames of video information. The gaps are provided to protect the audio information against corruption caused by uncertainties or jitter in e... | 02/13/2001 |
| 6180050 | Optical formation device and method The purpose of the invention is to provide a solid model creation apparatus that is small in size and inexpensive. A multiplicity of blue LEDs are prepared, optical fibers are connected thereto, and GRIN lenses are arranged at the ends of the tips of the ... | 01/30/2001 |
| 6170082 | Taking corrective action in computer programs during instruction processing A standardized test environment assists identifying problematic instances of instructions in computer programs that produce erroneous results. A standardized production environment takes corrective action for selected instructions by intercepting instruct... | 01/02/2001 |
| 6163759 | Method for calibrating variable delay circuit and a variable delay circuit using the same In a variable delay circuit calibrating method in which the state of connection of M delay stages connected in cascade through multiplexers and weighted differently is controlled by a control signal value to generate a calibrated amount of delay correspon... | 12/19/2000 |
| 6158037 | Memory tester There is provided a memory testing apparatus for testing an IC memory having a failure relief line or lines, which is constructed to sufficiently serve to test using a failure analysis memory having its storage capacity of two times that of a memory under... | 12/05/2000 |
| 6154862 | Defect analysis memory for memory tester In a failure analysis memory for memory testing apparatus which has a failure data storage part composed of a failure data memory and a first memory control part and a mask data storage part composed of a mask data memory and a second memory control part,... | 11/28/2000 |
| 6152409 | Device for increasing the height adjustment range with a levelling shoe provided therewith The height adjustment range of a levelling shoe with an annular support surface is increased by a device that includes a spacer ring having a first face and a second face. The first face has, at a radially inward location, an axially protruding annular pr... | 11/28/2000 |
| 6133957 | Adaptive diagonal interpolation for image resolution enhancement A method or device for increasing the resolution of an image generates additional pixels in the image using interpolation. Various tests are performed for each additional pixel to determine whether conditions render the interpolation direction ambiguous o... | 10/17/2000 |
| 6124895 | Frame-based audio coding with video/audio data synchronization by dynamic audio frame alignment Several audio signal processing techniques may be used in various combinations to improve the quality of audio represented by an information stream formed by splice editing two or more other information streams. The techniques are particularly useful in a... | 09/26/2000 |
| 6115833 | Semiconductor memory testing apparatus A semiconductor memory testing apparatus is provided which is capable of storing failure data of many semiconductor memories under test by a small memory capacity. A group of n input terminals IN1 -INn are provided for each of m fail... | 09/05/2000 |
| 6104204 | Semiconductor device testing apparatus An IC tester is provided which is capable of preventing the temperature of an IC heated to a predetermined temperature from falling during the test. A box-like housing 70 constructed of a thermally insulating material is mounted on a performance board PB.... | 08/15/2000 |
| 6097206 | Memory tester and method of switching the tester to RAM test mode and ROM test mode The circuit arrangement of a memory testing apparatus having a ROM expected value memory is simplified. There are provided a first logical comparator 26 for logically comparing a data read out of a memory under test 200 with an expected value data from a ... | 08/01/2000 |
| 6085163 | Using time-aligned blocks of encoded audio in video/audio applications to facilitate audio switching An audio signal processor forms gaps or guard bands in sequences of blocks conveying encoded audio information and time aligns the guard bands with video information. The guard bands are formed to allow for variations in processing or circuit delays so th... | 07/04/2000 |
| 6074103 | Aligning an optical fiber with electroluminescent semiconductor diodes and other optical components Methods for aligning an optical fiber with an optical device mounted on a base include: establishing a first position of support near the optical component so as to achieve a substantially optimum alignment, then establishing a second position of support ... | 06/13/2000 |
| 6064778 | Method and apparatus for near real-time document skew compensation A document imaging system detects skew and/or size of a document. In one embodiment, a document imaging system generates scanning signals representing the documents, analyxes the scanning signals to detect one more edges of the document before the entire ... | 05/16/2000 |
| 6061813 | Memory test set In a memory testing apparatus capable of testing both memories of a parallel input/parallel output type and a serial input/serial output type, in case of testing the serial input/serial output type memory, failure data in read out data serially outputted ... | 05/09/2000 |
| 6047393 | Memory testing apparatus There is provided a memory testing apparatus which can complete a DC test FOR a memory in a short time period. A pattern generator 2 comprises a hold time setting device 2A for setting a hold time during which a test signal of a predetermined pattern is k... | 04/04/2000 |
| 6021386 | Coding method and apparatus for multiple channels of audio information representing three-dimensional sound fields In an encoder, multiple channels of audio information representing multidimensional sound fields are split into subband signals and the subband signals in one or more subbands are combined to form composite signals. The composite signals, the subband sign... | 02/01/2000 |
