Bizarre Patents
Behavior Modification Wristwatch
A wristwatch including a watch band and a watch body having an octagon shaped perimeter and being red in color and having the word STOP thereon to resemble a stop sign.
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| Number | Title | Issue Date |
| 5768234 | Synchronizing mark detecting apparatus and method and information reproducing apparatus and method A synchronizing pattern detecting apparatus includes a pattern matching device, a pulse generating device, a delay device and a determination device. The pattern matching device samples synchronizing patterns with an asynchronous clock to determine whethe... | 06/16/1998 |
| 5703855 | Optical disk apparatus and recording and reading method for an optical disk using the same A super high density optical disk apparatus is obtained by using an exchangeable recording medium having a recording capacity of at least 1.5 Gb/in2 in an optical recording and reading apparatus for recording or reading at least using a laser b... | 12/30/1997 |
| 5644563 | Optical pickup system An optical pickup system capable of recording/reading out information on/from a mini disc or magneto-optical disc includes a polarized beam splitter (PBS) for fully reflecting beams of S-wave component from a laser diode or reflected from the disc while p... | 07/01/1997 |
| 5621711 | Velocity detection circuit A velocity detection circuit which detects the velocity of movement of an optical head. The velocity detection circuit includes an edge detection circuit for detecting an edge of a position detection signal and outputting an edge signal, a divider for div... | 04/15/1997 |
| 5598388 | Storing plural data records on tape in an entity with an index entry common to those records A method and apparatus for storing user data organized into a plurality of data records on tape is provided. User data is first accepted from a host computer. The user data is then organized into data groups independent of the record structure. Records ar... | 01/28/1997 |
| 5592455 | System for recording digital information in a pulse-length modulation format An improved system for recording and playing back digital information in a special pulse-length modulation format on a disc-shaped record. The digital information is stored in a succession of alternating marks and spaces, both having lengths that are disc... | 01/07/1997 |
| 5592458 | Optical information control device and synchronizing method thereof An optical information control device and synchronizing method therefor include a mark detection circuit for detecting marks recorded at even intervals in a track on an optical disk and outputting a mark detection signal indicating a detected mark; a freq... | 01/07/1997 |
| 5590108 | Encoding method and apparatus for bit compressing digital audio signals and recording medium having encoded audio signals recorded thereon by the encoding method A method for encoding audio signals includes dividing input audio signals into a two-dimensional block of time and frequency and quantizing the two-dimensional blocks based upon bit allocation as determined for each of the two-dimensional blocks. Scale fa... | 12/31/1996 |
| 5581528 | System for recording digital information in a pulse-length modulation format An improved system for recording and playing back digital information in a special pulse-length modulation format on a disc-shaped record. The digital information is stored in a succession of alternating marks and spaces, both having lengths that are disc... | 12/03/1996 |
| 5581532 | Optical information recording/reproducing apparatus for accurately detecting magnetic domain edges An apparatus for recording and reproducing information on and from optical or opto-magnetic information recording media is disclosed. The apparatus comprises an irradiation device for irradiating a light beam polarized in a predetermined direction to an o... | 12/03/1996 |
| 5574709 | Automatic gain control system and information reproduction apparatus using it An AGC system controls the amplitude of a reproduction signal read out from a recording medium at a predetermined level by adjusting the gain of an AGC amplifier. The AGC system includes a differentiator which differentiates the output signal of the AGC a... | 11/12/1996 |
| 5572507 | Optical disc, device for checking optical disc, and device for recording information on optical disc An optical disc has a sequence of pits which extends along a track. The pit sequence represents a recorded signal divided into data blocks. The pit sequence includes a normal pit train and an unusual pit train. The normal pit train is symmetrical with res... | 11/05/1996 |
| 5570332 | Method for reducing rotational latency in a disc drive The present invention is a method for decreasing rotational latency in systems which include a data retrieval element and a rotating medium. The method requires that the rotating medium be divided into a plurality of discrete angular regions. For each dis... | 10/29/1996 |
| 5566155 | Digital signal reproducing apparatus using a viterbi decoder A digital signal reproducing apparatus which can reproduce a digital signal without deteriorating the performance of a Viterbi decoder being deteriorated even if a positional error due to some mechanism causes in reproducing information from a recording m... | 10/15/1996 |
| 5566153 | Information recording device for recording and/or reproducing management information and information under a plurality of environments on the same recording medium An optical card information recording and reproducing device is composed of a controller for controlling data transfer to and from an external unit and the overall operation of the device, a memory for temporarily holding data to be recorded and data to b... | 10/15/1996 |
| 5563867 | Optical tape duplicator An optical tape duplicator is disclosed for making multiple copies of recorded optical tape by continuous contact recording. An information-bearing master tape held in intimate contact with an optical tape are passed through a recording zone exposed to a ... | 10/08/1996 |
| 5563860 | Optical disk drive An optical disk drive for recording information on or retrieving information from an optical disk having a plurality of zones including a different number of sectors includes a zone identifying unit for identifying a current zone in which the optical head... | 10/08/1996 |
| 5563859 | Method for simultaneous recording and playback from both sides of a recording medium A method of simultaneous recording on and playback from both sides of a double sided disk in which sector addresses on both sides are read by scanners, one of them is renumbered according to a conversion rule determined to minimize a time difference betwe... | 10/08/1996 |
| 5561650 | Reproduction apparatus reproducing video, but not audio, from a recording medium to provide a multi-picture image A reproduction apparatus conducts reproduction of data from a recording medium on which picture information and audio information related to the picture information are recorded for each block in a mixed state. The reproduction apparatus is designed to di... | 10/01/1996 |
| 5561652 | Apparatus for recording data on optical disk A magneto-optical disk recording apparatus of the ZCAV recording type in which tracks are divided in a plurality of zones in the radial direction, comprises a data pattern generator for generating a recording data pattern signal synchronous with a referen... | 10/01/1996 |
| 5559781 | System for recording digital information in a pulse-length modulation format An improved system for recording and playing back digital information in a special pulse-length modulation format on a disc-shaped record. The digital information is stored in a succession of alternating marks and spaces, both having lengths that are disc... | 09/24/1996 |
| 5559778 | Apparatus and method for completing an incomplete recording on an optical disc When a previous recording of data on a write-once optical disc is incomplete, the previous recording is processed to enable it to be read, and to enable additional data to be recordable on the write-once optical disc following the incomplete previous reco... | 09/24/1996 |
| 5557593 | System for recording digital information in a pulse-length modulation format An improved system for recording and playing back digital information in a special pulse-length modulation format on a disc-shaped record. The digital information is stored in a succession of alternating marks and spaces, both having lengths that are disc... | 09/17/1996 |
| 5557591 | Track counting servo circuit and method therefor A track counting servo circuit compensating for track counting errors during high-speed accessing in an optical disk apparatus detects errors in the track count signal as the optical head moves over the tracks to a target track. The circuit produces a rec... | 09/17/1996 |
| 5555236 | Magneto-optical recording method of erasing a portion of a first recording domain to form a crescent-shaped second recording domain A magneto-optical recording method is disclosed. A first recording domain is formed by the application of light having a predetermined energy level to a magneto-optical recording medium. A portion of the first recording domain is erased to thereby form a ... | 09/10/1996 |
| 5553042 | Optical disk recording device An optical disk recording device capable of recording data by projecting, laser pulse on a disk such as a CD-WO disk on which time information such as ATIP data or address information used for writing is previously recorded while controlling drive of a sp... | 09/03/1996 |
| 5553043 | Information regenerating apparatus In an information regenerating apparatus, recorded data constructed of a sector mark and a following header section having a plurality of data sets each having a pull-in pattern, an address mark and address information, is read out to form a regenerative ... | 09/03/1996 |
| 5553047 | System for recording digital information in a pulse-length modulation format An improved system for recording and playing back digital information in a special pulse-length modulation format on a disc-shaped record. The digital information is stored in a succession of alternating marks and spaces, both having lengths that are disc... | 09/03/1996 |
| 5544141 | Cross-talk canceler for optical disk reading mechanism Reproduced signals from detectors 1a to 1c installed in an optical head are level-adjusted by amplifiers 2a to 2c. Output signals of the amplifiers 2a and 2b are delayed by respective delay circuits 6a and 6b. An output signal of the delay circuit 6b and ... | 08/06/1996 |
| 5544138 | Adaptive system for optimizing disk drive power consumption A disk drive power manager that compares energy usage with a predetermined profile to select one of several reduced-power operating modes. An energy usage register is updated at regular intervals according to the energy used during each time interval. An ... | 08/06/1996 |
| 5544149 | Optical recording medium, and apparatus and method for recording and reproducing information on the same In an optical disk, since a header section has only one recording section for address information, the capacity of memory where a user can freely record data is increased. In an optical disk drive, four laser beams have a fixed positional relation. Based ... | 08/06/1996 |
| 5541904 | CD-ROM with machine-readable I.D. code A machine-readable serial number is formed on a CD-ROM by using a laser to selectively remove a reflective layer from the CD-ROM. Removal of the reflective layer creates defects in addressable information storage locations on the CD-ROM. The serial number... | 07/30/1996 |
| 5537379 | Optical data storage and retrieval system and method A first write encoder encodes digital data in a first, high-density format. A second write encoder encodes digital data in a second, low-density (i.e., ANSI) format. A first read decoder decodes digital data from the first format. A second read decoder de... | 07/16/1996 |
| 5537375 | Optical information control device and synchronizing method thereof An optical information control device and synchronizing method therefor include a mark detection circuit for detecting marks recorded at even intervals in a track on an optical disk and outputting a mark detection signal indicating a detected mark; a freq... | 07/16/1996 |
| 5530689 | Optical pickup There is provided an optical pickup for use with an optical disk, which is capable of detecting tracking error signals and focusing error signals with good precision even when applied to the SCOOP method, and includes a light-emitting device having a ligh... | 06/25/1996 |
| 5530687 | Disk-type recording medium drive and method of self-diagnosing disk-type recording medium drive A device for driving the disk-type recording medium, such as a magnetooptical disk, has a read and write system for reading data from and writing data on the disk-type recording medium. The read and write system is self-diagnosed by generating time data w... | 06/25/1996 |
| 5528571 | Optical disc apparatus A disc driving apparatus using SSA (sector slipping algorithm) for defective sectors and LRA (linear replacement algorithm). This disc driving apparatus is simple in arrangement and can reproduce data at high speed in a simple processing on the basis of a... | 06/18/1996 |
| 5528572 | Audio signal recording apparatus with an index number signal generating function An audio signal recording apparatus is constructed to record a track number signal which allows the recording of an index number signal indicating a pause portion before a music piece also at the beginning of the recording operation. An audio signal to be... | 06/18/1996 |
| 5526333 | Optical disk recording device EFM input signal is received via an EFM input interface. Recording-timing adjustment data is received via a computer interface from a computer and stored in a register. To obtain EFM output signal having its pulse duration controlled on the basis of the E... | 06/11/1996 |
| 5523988 | Optical pickup control apparatus An optical disc apparatus includes a rotary encoder (14) for detecting a rotation of a spindle motor (12) that rotates an optical disc (11). A counter (16) generates a timing pulse (P3) per rotation of the optical disc (11) in synchronism with ... | 06/04/1996 |
