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| Number | Title | Issue Date |
| 6370240 | ATM phone card system There is provided a method of dispensing telephone cards from automatic teller machines (ATM) and card constructions used therewith. Telephone time is apportioned to a number of sheetlets printed with random numbers which serve as a personal identificatio... | 04/09/2002 |
| 6314124 | Method and system for remote answer of a telephone call A system and method for remotely answering a phone call involves receiving a call over a first communications link at the home or office of a subscriber. A call recipient at a remote location is alerted of the call. Next, the call recipient is coupled to ... | 11/06/2001 |
| 6288740 | Method and apparatus for continuous presence conferencing with voice-activated quadrant selection A method and apparatus for continuous presence conferencing is disclosed having voice-activated quadrant selection. A control processor in a multipoint control unit selects and assigns anchored sites to anchored regions of a composite video image. The con... | 09/11/2001 |
| 6256162 | Moving picture searching apparatus The present invention relates to a moving picture searching apparatus, where moving picture information recorded can be searched easily when desired moving picture information is picked out. Of single or plural moving picture(s) S2 recorded in predetermin... | 07/03/2001 |
| 6243442 | Telephone exchange apparatus The emergency call such as Enhanced 911 call or the like is also originated through an exchange such as PBX (Private Branch Exchange). In this case, the identification information such as the extension number of the extension telephone terminal connected ... | 06/05/2001 |
| 6201658 | Memory unit having a plurality of heads controlled by a minimum number of connection lines A memory unit having a plurality of heads performing at least one of recording or reproducing operations on a storage medium is disclosed. The memory unit includes a first converter circuit for receiving head-selection signals as first parallel data and c... | 03/13/2001 |
| 6191912 | System and method for formatting disc surfaces A method formats disc surfaces in a disc drive for storage of data in a group of tracks on the disc surfaces. The disc drive performs seek operations to seek among cylinders on the disc surfaces as a function of time according to an actual seek profile. A... | 02/20/2001 |
| 6188755 | Key telephone system having a plurality of telephone numbers to key telephone set This invention enables the key telephone system to send a busy tone to a party calling on a main extension number when a telephone call to the main extension number is received when a pseudo extension number is in use. The receiving mode is memorized in the me... | 02/13/2001 |
| 6178235 | Dynamic traffic distribution Telecommunications traffic is dynamically distributed at a telecommunications node among plural telecommunication routes. A current distribution of traffic is detected for both incoming routes and outgoing routes. Traffic is automatically redistributed am... | 01/23/2001 |
| 6169791 | System and method for least cost call routing A least cost call routing system operates in conjunction with one or more telephones disposed in a location to provide least cost telephone call routing using a selected one of a number of commercial telephone carriers. A central server stores a plurality... | 01/02/2001 |
| 6166876 | Minimizing settling time in a disc drive servo system An apparatus and method are disclosed for minimizing settling time in a disc drive servo system. The disc drive includes a head adjacent a rotatable disc on which a plurality of tracks are defined and a motor which controllably positions the head in respo... | 12/26/2000 |
| 6160675 | Magnetic recording and reproducing apparatus A magnetic recording and reproducing apparatus has a supply reel and a take-up reel around which a magnetic tape is to be wound. A first tape guide is provided in the vicinity of a rotary head at the supply reel side and a second tape guide in the vicinit... | 12/12/2000 |
| 6157510 | Magnetic storage device with multiple read elements which are offset laterally and longitudinally A magnetic storage device is disclosed. The magnetic storage device contains a magnetic media. Previously recorded information resides on tracks in the magnetic media. A transducer is used to read information from the magnetic media. The transducer includ... | 12/05/2000 |
| 6154331 | Disk formatter write gate look-ahead device A device to turn on a disk formatter's write gate and NRZ line drivers with minimal delay from a sector pulse. The device utilizes a look-ahead scheme to asynchronously qualify a sector pulse to drive the write gate and enable the NRZ output drivers. The ... | 11/28/2000 |
| 6151177 | Apparatus for compensating for non-linear characteristics of magnetoresistive heads An apparatus that compensates for the asymmetry and the baseline shift in the signal generated by a magnetoresistive head. The apparatus stores a first correction factor for the baseline shift, a second correction factor for correcting the amplitude of th... | 11/21/2000 |
| 6151178 | Error estimation circuit and method using an analog-to-digital converter A read channel (18) is provided for use in a mass storage system. The read channel (18) includes a plurality of circuit modules and an error estimation circuit (50). The plurality of circuit modules receive an analog data signal from a disk/head assembly ... | 11/21/2000 |
| 6147830 | Magnetic tape unit A magnetic tape unit with a magnetic head for reading and writing data from and onto a magnetic tape. The magnetic tape is kept in constant contact with the magnetic head, and a reel motor travels the magnetic tape kept in contact with the magnetic head. ... | 11/14/2000 |
| 6147831 | Servo track writer having a servo writer positioning arm with a vibration damper and a method of making a head disk assembly A servo track writer for a head disk assembly and a method of making the head disk assembly using the servo track writer are disclosed. The head disk assembly includes an enclosure having an opening and a base and an actuator arm coupled to the base and h... | 11/14/2000 |
| 6147826 | Magnetic disk apparatus having duplicate sync byte patterns A writing unit writes a first sync byte pattern SB1 to the head of data and writes a second sync byte pattern SB2 to the end of the data (DATA+ECC). When the first sync byte pattern SB1 is not detected, the data is stored into a memory, and after that, a ... | 11/14/2000 |
| 6147824 | Signal reproducing circuit for magneto-resistive head including control circuit for reducing transient period between write period and read period A signal reproducing circuit includes first power supply lines having different potentials, a magneto-resistive effect head having one end thereof coupled to the first power supply line, for reproducing data recorded on a magnetic recording medium in a re... | 11/14/2000 |
| 6147832 | Floppy disk drive with PWM control A floppy disk drive has an exciting current supplying circuit and a control circuit for controlling the exciting current supplying circuit so that the exciting current is increased to a first predetermined value, reduced to a second predetermined value an... | 11/14/2000 |
| 6141177 | Signal reproducing device and method with tracking error formation A device that reproduces signals recorded on a recording medium includes a unit that forms a tracking error signal from pilot signal components recorded in the signal being reproduced. A controller controls the tracking error signal forming unit so that t... | 10/31/2000 |
| 6141170 | Signal processing with frequency component detection in two modes There is provided in an embodiment according the present invention, a signal processing device comprising detecting means for detecting a predetermined frequency component of the input signal; modulating means for modulating the input signal and supplying... | 10/31/2000 |
| 6141164 | Data recording/reproducing apparatus employing read-after-write system A recording apparatus provided on, for example, a digital audio tape recorder or on a data storage device for correctly and reliably recording data. An ECC unit 23 appends the parity for error correction to recording data and transmits the resulting data ... | 10/31/2000 |
| 6141172 | Magnetic recording and reproducing apparatus arranged to save electric power consumed in detecting tape end and reduce load on microprocessor A magnetic recording and reproducing apparatus arranged to use a magnetic tape. The apparatus operates to derive the current taken-up position of the magnetic tape from the signals that are proportional to the rotation frequencies of a capstan motor, a su... | 10/31/2000 |
| 6141168 | Automatic calibration method, read apparatus and storage apparatus An automatic calibration method for a read system in which data read by a head from a recording medium is demodulated using a partial response method which includes the steps of: storing at least one of a parameter relating to a bias current fed to the he... | 10/31/2000 |
| 6137869 | Network session management An internetwork (such as the Internet) telephony system and method incorporating architecture and methodology which facilitates a high degree of scalability. The scalability provides improvement dealing with usage recording, usage pricing, billing account... | 10/24/2000 |
| 6134069 | Method of power saving in a disk drive apparatus with head unloading and spin reduction A method for operating a disk drive apparatus in the Idle Mode reduces power consumption while meeting non-operating shock and vibration specifications. This is achieved by operating the disk drive apparatus with the head in the loaded state with the disk... | 10/17/2000 |
| 6134065 | Method and device utilizing erasure information as a reliability indicator in an information medium A method and a device in which information is written on a medium and is read out, and which establishes whether the information read is sufficiently reliable, and in which so-called erasure information is used to establish the influence of media defects ... | 10/17/2000 |
| 6134072 | Tracking of non-native stripes in helical scan tape drive A tracking method enables a first read head (R1) and a second read head (R2) of a helical scan tape drive (30) to read non-native helical stripes, the non-native helical stripes being wider than native stripes. Read signals from the first read head (R1) a... | 10/17/2000 |
| 6134061 | Digital signal recording and reproducing apparatus and digital signal recording and reproducing method collectively recording inspecton codes and forming a gap therebetween during post-scoring A digital signal recording and reproducing method and apparatus for digitally recording and reproducing first and second signals in tracks on a magnetic recording includes an encoder and a recording unit. The encoder separately error-correcting encodes th... | 10/17/2000 |
| 6134068 | Disk drive spindle synchronization apparatus and method A data storage disk drive array is synchronized using drives wherein each has an onboard oscillator assembly which is connected either for independent operation of each drive or synchronization of all or any selected drives of the array using a common or ... | 10/17/2000 |
| 6134073 | Methods and apparatus for controlling motion of recording media During retrieval of data from tape in a helical scan tape drive mechanism with a rotary head drum, movement of tape past the drum by a capstan is controlled to keep the tracks recorded on the tape in alignment with paths followed by the heads. A time inte... | 10/17/2000 |
| 6134063 | Automated multi-track transfers The present invention is a method to minimize the firmware overhead for multi-track transfers. To this end, the present invention provides a transfer control table. The table is used to manage sector defects or other transfer adjustments. Each entry of th... | 10/17/2000 |
| 6133940 | Telephone web browser arrangement and method The present invention provides a method and interface for browsing the internet using a telephone circuit having keys for generating DTMF codes. The interface includes a memory and a processor and is coupled to the telephone circuit and display. The inter... | 10/17/2000 |
| 6134062 | Method and apparatus for increasing disc drive performance A method of managing information to be stored on a storage disc in a disc drive system to achieve improved system performance. Some of the data on the disc may be mirrored on the same surface of the disc to reduce latency and/or seek time. Compression tec... | 10/17/2000 |
| 6134071 | Disk drive, load/unload unit, and control method thereof The present invention provides a disk drive, a load/unload unit, and a control method thereof which are capable of reliably unloading a head slider from a disk when power is turned off and enhancing reliability. A disk drive is equipped with a VCM spindle... | 10/17/2000 |
| 6130934 | Method and telecommunication system for transmitting a facsimile message A method and system for transmitting a facsimile message uses a public-switched telecommunications network, the public-switched telecommunication network having a messaging platform capable of storing a plurality of facsimile messages. The initiation of a... | 10/10/2000 |
| 6131038 | Method of and apparatus for selecting a channel in a base station by determining the field intensity of radiowaves received In a base station of a wireless telecommunications system for communicating with mobile terminals, a radiowave is received on a transmission channel and compared in field intensity with a threshold value. The threshold value is considered to be received w... | 10/10/2000 |
| 6130936 | System and method for terminating a telephone call after simulating a telephone connection failure The present invention comprises an improved telephone system and method for terminating a telephone call after simulating a telephone connection failure. After establishing a telephone connection, a user can terminate the telephone call by depressing a sw... | 10/10/2000 |
