Assignee: Hitachi Microcomputer System Ltd.

Location: Tokyo, JP
No. of patents: 62

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Number	Title	Issue Date
6583049	Semiconductor integrated circuit device and method for making the same A method for making a semiconductor integrated circuit device comprises the steps of: (a) depositing a first underlying film made of titanium nitride, on an insulating film having a plurality of through-holes; (b) depositing a tungsten film on the first u...	06/24/2003
6476467	Semiconductor device and process for producing the same The thickness of a tape carrier package having a semiconductor chip is made uniform where bonding pads are concentrated on one side of the semiconductor chip. The tape carrier package is such that dummy pads 6b are arranged on one side opposite to the sid...	11/05/2002
6343357	Microcomputer and dividing circuit A microcomputer MCU adopting the general purpose register method is enabled to have a small program capacity or a high program memory using efficiency and a low system cost, while enjoying the advantage of simplification of the instruction decoding as in ...	01/29/2002
6300237	Semiconductor integrated circuit device and method for making the same A method for making a semiconductor integrated circuit device comprises the steps of: (a) depositing a first underlying film made of titanium nitride, on an insulating film having a plurality of through-holes; (b) depositing a tungsten film on the first u...	10/09/2001
6272620	Central processing unit having instruction queue of 32-bit length fetching two instructions of 16-bit fixed length in one instruction fetch operation A microcomputer MCU adopting the general purpose register method is enabled to have a small program capacity or a high program memory using efficiency and a low system cost, while enjoying the advantage of simplification of the instruction decoding as in ...	08/07/2001
6253308	Microcomputer having variable bit width area for displacement and circuit for handling immediate data larger than instruction word A microcomputer CMU adopting the general purpose register method is enabled to have a small program capacity or a high program memory using efficiency and a low system cost, while enjoying the advantage of simplification of the instruction decoding as in ...	06/26/2001
6182742	Cooling apparatus for use in an electronic system A cooling apparatus for use with an electronic system provides an uninterrupted operation capability. A pump supplies a cooling liquid to a liquid-cooled electronic system. The pump is controlled by a controller that also controls a three way valve for co...	02/06/2001
6148411	Network system having function of changing route upon failure A network system includes a plurality of networks, a first internetwork apparatus having a plurality of first ports each connected to the plurality of networks, a second internetwork apparatus having a plurality of second ports each connected to the plura...	11/14/2000
6131154	Microcomputer having variable bit width area for displacement Herein disclosed is a microcomputer MCU adopting the general purpose register method. The microcomputer is enabled to have a small program capacity or a high program memory using efficiency and a low system cost, while enjoying the advantage of simplifica...	10/10/2000
6112174	Recognition dictionary system structure and changeover method of speech recognition system for car navigation A speech recognition system realizing large-vocabulary speech recognition at a low cost without deteriorating the rate of recognition and a recognition speed performance is provided with a dictionary change-over section for making a change-over between di...	08/29/2000
6060770	Semiconductor device and process for producing the same The thickness of a tape carrier package having a semiconductor chip is made uniform where bonding pads are concentrated on one side of the semiconductor chip. The tape carrier package is such that dummy pads 6b are arranged on one side opposite to the sid...	05/09/2000
6055651	Emulator and corresponding trace control method A trace memory in the emulator is formed into a plurality of memory banks. Data to be traced is in principle stored sequentially in each memory bank. A trace condition setting circuit (trace registers) and a trace condition agreement detecting circuit (co...	04/25/2000
6046770	Imaging apparatus Smooth interlocking operation of an optical zooming device and an electronic zooming device are realized by storing an amount of mechanical play of the optical zooming device in a play memory and then calculating the amount of mechanical play of the optic...	04/04/2000
6032266	Network system having function of changing route upon failure A network system includes a plurality of networks, a first internetwork apparatus having a plurality of first ports each connected to the plurality of networks, a second internetwork apparatus having a plurality of second ports each connected to the plura...	02/29/2000
5991545	Microcomputer having variable bit width area for displacement and circuit for handling immediate data larger than instruction word Herein disclosed is a microcomputer MCU adopting the general purpose register method. The microcomputer is enabled to have a small program capacity or a high program memory using efficiency and a low system cost, while enjoying the advantage of simplifica...	11/23/1999
5987589	Microcomputer and microcomputer system A microcomputer that is easy to use and connected direct to such memories as dynamic and static RAM's and to other peripheral circuits. The microcomputer has strobe signal output terminals CASH, CASL and RAS* for direct connection to a dynamic RAM, and ...	11/16/1999
5969976	Division circuit and the division method thereof A division method and circuit performs a division for signed data by adding or subtracting a divisor to or from the dividend or the partial remainder from the division, according to the sign of the divisor or the dividend and the partial remainder to acqu...	10/19/1999
5904556	Method for making semiconductor integrated circuit device having interconnection structure using tungsten film A method for making a semiconductor integrated circuit device comprises the steps of: (a) depositing a first underlying film made of titanium nitride, on an insulating film having a plurality of through-holes; (b) depositing a tungsten film on the first u...	05/18/1999
5896025	Secondary battery protection device from overcharge/overdischarge A protection circuit device for protecting a secondary battery from an overcharge and/or an overdischarge has first and second terminals, across which a charger and a load are alternatively connectable. A first switch and/or a second switch may be provide...	04/20/1999
5874773	Lead frame having a supporting pad with a plurality of slits arranged to permit the flow of resin so as to prevent the occurrence of voids The resin-sealed package includes a lead frame having a supporting and heat spreading pad and inner and outer leads arranged to surround the supporting and head spreading pad. A tape automated bonding (TAB) structure is provided having a semiconductor chi...	02/23/1999
5869888	Semiconductor device with lead structure on principal surface of chip A semiconductor device having inner leads secured via insulating adhesive films to the principal surface of a semiconductor chip and electrically connected to the respective external terminals of the semiconductor chip. The semiconductor device that can b...	02/09/1999
5813018	Automated text extraction from source drawing and composition into target drawing with translated text placement according to source image analysis A document processing method and system for automizing extraction of source language sentences from figures, which is the pre-processing for figure translation, as well as embedding of translated sentences in drawings, which is the postprocessing in figur...	09/22/1998
5809542	Dumping method for dumping data to a dump data storage device that manages the the dumping of data updated since a previous dump request An information processing system has a processor, a first storage unit, a controller connected between said processor and said first storage unit, and a second storage unit connected to said processor and for storing dump data, and a dump method thereof a...	09/15/1998
5805024	Phase lock loop system including a primary phase lock loop apparatus and a high order phase lock loop apparatus A phase lock loop system includes: a phase detecting circuit which operates on the basis of a signal waveform; a current output circuit for generating a current value from a phase difference detected by the phase detecting circuit; a filter which is const...	09/08/1998
5748977	Multiply connectable microprocessor and microprocessor system A microcomputer that is easy to use and connected direct to such memories as dynamic and static RAM's and to other peripheral circuits. The microcomputer has strobe signal output terminals CASH, CASL and RAS* for direct connection to a dynamic RAM, and ...	05/05/1998
5747387	Removal method of organic matter and system for the same According to the present invention, the surface of the sample is cleaned with water immediately after ashing of the resist the quality of which has been changed through ion implantation by ozone-containing gas, or ozone-containing gas and ultraviolet ray,...	05/05/1998
5689814	Radio communication apparatus with expanded dynamic range Part of a first signal path for amplifying a signal includes circuits for detecting a signal, and a second signal path connected to an input portion of the first signal path includes circuits for detecting the signal. A signal strength detector circuit ad...	11/18/1997
5682545	Microcomputer having 16 bit fixed length instruction format Herein disclosed is a microcomputer MCU adopting the general purpose register method. The microcomputer is enabled to have a small program capacity or a high program memory using efficiency and a low system cost, while enjoying the advantage of simplifica...	10/28/1997
5664096	Disk array controller capable of preventing data distortion caused by an interruption of data write operation A disk array controller is connected to both a host computer and a plurality of disk drives operating in parallel. The disk array controller is responsive to an output request from the host computer for dividing data supplied from the host computer and pa...	09/02/1997
5637913	Leadframe semiconductor integrated circuit device using the same and method of and process for fabricating the two In order to improve the package body cracking resistance of an LSI package at the reflow soldering and to provide both a leadframe suitable for fabricating the LSI package according to the flexible manufacturing system and an LSI using the leadframe, the ...	06/10/1997
5623631	Limiting modification of cache entries in a write-back cache based upon the amount of dirty lines in the cache In allocating an area of a cache memory to each storage unit, proper allocation of the cache memory is made to each storage unit. If the amount of write-after data becomes equal to or more than a threshold value, an allocation limit is set to each disk un...	04/22/1997
5612933	Apparatus for reproducing recorded information with error detection and correction processing An apparatus for reproducing recorded information reads information from the track surface of a CD-ROM disk 1, performs error detection and correction processing on the read information to reproduce recorded information and then outputs the reproduced inf...	03/18/1997
5583375	Semiconductor device with lead structure within the planar area of the device A semiconductor device having inner leads secured via insulating adhesive films to the principal surface of a semiconductor chip and electrically connected to the respective external terminals of the semiconductor chip. The semiconductor device that can b...	12/10/1996
5583750	Electronic device In an electronic device comprising a first substrate having at least one first electronic circuit element thereon, a second substrate having at least one second electronic circuit element thereon, a substrate connector through which the first and second e...	12/10/1996
5572678	System for sending frames from sender to receiver using connectionless protocol and receiving acknowledging frame and retransmission request frame from receiver using connection oriented protocol Data communication method and system for transmitting a large amount of data via a network such as LAN to which a plurality of stations or terminals are connected, through a simplified processing procedure with high reliability and high efficiency while s...	11/05/1996
5568628	Storage control method and apparatus for highly reliable storage controller with multiple cache memories A storage control unit is connected between a central processing unit having an interface for accessing a first disk unit into which data constructed of a plurality of variable length data records are stored in a first recording format, and a second disk ...	10/22/1996
5568083	Semiconductor integrated circuit device having an internally produced operation voltage matched to operation speed of circuit The semiconductor integrated circuit device incorporates a power supply circuit which forms an operation voltage that matches the operation speed of the internal circuit. Since the operation voltage is set in accordance with the operation speed required o...	10/22/1996
5564041	Microprocessor for inserting a bus cycle in an instruction set to output an internal information for an emulation A microprocessor having a buffer or memory capable of holding a plurality of instructions in advance of execution also functions to insert a special bus cycle amongst the instructions for outputting the internal information of the microprocessor to the ou...	10/08/1996
5550975	Disk array controller Block data of logical inconsistency stored in a disk array is inhibited to be transferred to a host computer, by detecting a range where data was written defectively because of a power cut or the like. A processor of a disk array controller allocates a wr...	08/27/1996
5530965	Multiply connectable microprocessor and microprocessor system A microcomputer that is easy to use and connected direct to such memories as dynamic and static RAM's and to other peripheral circuits. The microcomputer has strobe signal output terminals CASH, CASL and RAS* for direct connection to a dynamic RAM, and ...	06/25/1996

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Assignee: Hitachi Microcomputer System Ltd.