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| Number | Title | Issue Date |
| 6486637 | Battery pack controlling apparatus A battery pack controlling apparatus for controlling input to or output from a battery pack is provided. The battery pack includes a plurality of blocks in series connection. Each of the plurality of blocks includes a plurality of batteries in series conn... | 11/26/2002 |
| 6484142 | Encoder using Huffman codes An encoder of the present invention includes: G storage sections for storing G groups of data; a selection section for selecting one of H Huffman codebooks having codebook numbers for each of the groups of data; G encoding sections Huffman-encoding the G ... | 11/19/2002 |
| 6478660 | Apparatus of and method for polishing the outer circumferential portions of a circular plate-shaped work A pair of edge polishing members (13a, 13b) each having a recess arcked working surface (22) are located on both sides of a diameter direction of a circular plate-shaped work (1) which is held by a chuck means (12) and is rotatable therewith, with the axe... | 11/12/2002 |
| 6469447 | Fluorescent lamp lighting apparatus A fluorescent lamp lighting apparatus includes a fluorescent light emitting tube; and an electronic lighting circuit for applying an electric current to the fluorescent light emitting tube. The electronic lighting circuit includes a pair of electrode fila... | 10/22/2002 |
| 6462550 | Battery voltage detection apparatus and detection method A voltage detection apparatus for detecting a voltage of at least one battery includes: capacitor means to which a voltage is applied from the at least one battery and in which an electric charge accumulates; adjustment means for adjusting potentials at b... | 10/08/2002 |
| 6458620 | Semiconductor device and method for producing the same A photo-detecting device includes: a semiconductor substrate; a multilayer structure formed on the semiconductor substrate; an island-like photo-detecting region formed in at least a portion of the multilayer structure, the island-like photo-detecting reg... | 10/01/2002 |
| 6459238 | Method for charging a battery pack including a plurality of battery units A method for charging a battery pack including a plurality of battery units includes: a first step of charging the battery units with a first electric current at a first rate until an internal pressure of at least one of the plurality of battery units beg... | 10/01/2002 |
| 6449201 | Semiconductor memory device having a hierarchical bit line architecture A semiconductor memory device 100 includes: a differential sense amplifier 9 having an input node 9a and an input node 9b, an information read section 110a, a reference section 110b, and a control section 140. The information read section 110a includes: a... | 09/10/2002 |
| 6400663 | Optical disc apparatus An optical disc apparatus includes: a converging section for converging a light beam and irradiating a rotating information medium with the converged light beam; a moving section for moving the converging section, thereby moving a converging point of the ... | 06/04/2002 |
| 6373759 | SRAM device An SRAM device includes: a plurality of normal memory blocks each including N normal memory cells for storing data, wherein N is a natural number; a spare memory block including one or more spare memory cells for storing data; a defective block setting se... | 04/16/2002 |
| 6366057 | Charging method of rechargeable battery A charging method of a rechargeable battery includes steps of: charging the rechargeable battery with a constant current; charging the rechargeable battery with a constant voltage or with a current having a pulse waveform; and when a charging current is d... | 04/02/2002 |
| 6306245 | Plasma etching apparatus A plasma etching method and apparatus are provided in which a distance between an ejection opening (20a) in a plasma generator (2) for ejecting an active species gas and a surface of an object to be etched can be changed to thereby shorten the time requir... | 10/23/2001 |
| 6297754 | Decoding device A decoding device for decoding a data stream includes a decoding table including a first region and a second region; a first decoder; and a second decoder. The first region defines a relationship between first data having a predetermined number of bits an... | 10/02/2001 |
| 6278257 | Method for detecting abnormal cell A method for detecting an abnormal cell in a battery system, wherein: the battery system includes a plurality of blocks serially connected together; each of the plurality of blocks includes a plurality of cells serially connected together and the method i... | 08/21/2001 |
| 6278669 | Objective lens driving apparatus An objective lens driving apparatus includes an objective lens opposed to an optical disk, the objective lens having an optical axis in a vertical direction which is perpendicular to the optical disk, a holder for holding the objective lens; a supporting ... | 08/21/2001 |
| 6275006 | Method for charging secondary battery A method for charging a secondary battery by measuring the static/open circuit voltage and comparing it to a predetermined value includes: a first step of precharging the secondary battery; thereafter pausing a predetermined interval; a step of measuring ... | 08/14/2001 |
| 6271832 | Wireless input apparatus A wireless input apparatus includes a transmitting section responsive to turning-on of a switch for transmitting a prescribed signal, and a transmission control section for measuring a time period during which an on state of the switch continues, and inhi... | 08/07/2001 |
| 6268632 | Field effect transistor and power amplifier including the same A transistor includes a source region; a drain region; a channel region interposed between the source region and the drain region; and at least a first gate electrode and a second gate electrode provided on the channel region. At least one of the first an... | 07/31/2001 |
| 6250995 | Apparatus for polishing outer periphery of workpiece To provide a small polishing means featuring high machining efficiency that is capable of efficiently and quickly mirror-polishing an outer periphery of a chamfered workpiece (5) by bringing the outer periphery into even contact with a plurality of polish... | 06/26/2001 |
| 6232587 | Microwave heating apparatus with a vapor generator and regenerating plates A microwave heating apparatus includes a heating chamber 3 for accommodating an item 2 to be heated; a microwave generator 11 for radiating microwaves to the heating chamber 3, and a vapor generator 12 for supplying vapor to the heating chamber 3. The hea... | 05/15/2001 |
| 6178288 | Reproduction device A reproduction apparatus includes: a signal reading section for reading a signal recorded on a recording medium, the signal including a digital signal and an analog signal; a control signal reading section for reading a control signal recorded on the reco... | 01/23/2001 |
| 6166436 | High frequency semiconductor device A high frequency semiconductor device includes: a substrate having a substantially flat principal surface, with a predetermined circuit pattern including at least an input line, an output line, and a ground electrode provided on the principal surface; and... | 12/26/2000 |
| 6150674 | Semiconductor device having Alx Ga1-x N (0 A semiconductor device includes a substrate formed of Alx Ga1-x N (0 | 11/21/2000 |
| 6126530 | Cleaning device for surface plate correcting dresser To provide a cleaning apparatus capable of easily and positively washing off attachments from a dresser (6) for dressing a lap in a plane polishing apparatus. An air nozzle (15) for bubbling, a first bottom surface brush (18) that comes in slidable contac... | 10/03/2000 |
| 6114732 | Field effect transistor A transistor includes a source region; a drain region; a channel region interposed between the source region and the drain region; and at least a first gate electrode and a second gate electrode provided on the channel region. At least one of the first an... | 09/05/2000 |
| 6115767 | Apparatus and method of partially transferring data through bus and bus master control device A method of transferring data through a bus includes the steps of: occupying the bus by a first device serving as a bus master; transferring a first predetermined number of data items of all data items to be transferred while the first device is occupying... | 09/05/2000 |
| 6107782 | Multi-staged method for recharging a lead acid battery as a function of intrinsic battery characteristics A method for charging a lead lead-acid battery includes a first step of charging the lead lead-acid battery to a prescribed voltage; and a second step of calculating a second charging electricity quantity based on a first charging electricity quantity to ... | 08/22/2000 |
| 6044049 | Optical information apparatus employing two different tracking error signals based on regions on information medium An optical information apparatus for performing at least one of a reproduction operation and a recording operation for an information medium by radiating a light beam on the information medium is provided, wherein the information medium has a first region... | 03/28/2000 |
| 6039638 | Work planarizing method and apparatus A method and apparatus for planarizing works can adjust an urging force or pressure applied to a work with ease in a short period of time, but also avoid wasteful use of rings. Wafers 100 adhered to a block 110 is made into contact with a lower surface pl... | 03/21/2000 |
| 5994728 | Field effect transistor and method for producing the same A method for producing a field effect transistor includes: a first step of forming an insulating film over a substrate; a second step of dry etching the insulating film to form a rectangular insulating pattern having side surfaces; a third step of forming... | 11/30/1999 |
| 5490356 | Seismic isolation bearing A seismic isolation bearing for bridges, buildings and machines with steel reinforced rubber body and external or internal tapered steel pin uniform yielders. The pins are fixed to load plates and intersect in mid plate or in the bearing body. External pi... | 02/13/1996 |
| 5483445 | Automated billing consolidation system and method An automated system and method for consolidating a plurality of individual company charges for a customer with different periodic company billing and payment due dates is provided. Under the system, companies and businesses such as utility companies repor... | 01/09/1996 |
