Bizarre Patents
Wearable Device For Feeding and Observing Birds and Other Flying Animals
A device for feeding and observing flying animals comprising a hat, a support mounted on the hat and extending outward from the hat, and a feeder mounted on the support.
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| Number | Title | Issue Date |
| 7151728 | Optical disc apparatus and recording power determining method thereof A method of determining a recording power used to record information to an optical disc, includes carrying out test recording which records predetermined data to a predetermined area of the optical disc to determine the recording power, and recording predetermined d... | 12/19/2006 |
| 7145857 | Apparatus and method for generating write pulse appropriate for various optical recording media A write pulse generating apparatus includes a control unit which provides information on an optical recording medium type and information on a recording speed factor, and a control signal generating unit which determines a multi-pulse type which is to be generated i... | 12/05/2006 |
| 7133344 | Disk recording-playback device A disk recording-playback device including a laser drive circuit for feeding a drive signal to an optical head and adjusting the power of a laser beam irradiated by the optical head, an error correcting circuit for detecting an error rate of a reproduced signal, and... | 11/07/2006 |
| 7130256 | Mark-length information recording system The mark-length recording system whereby information is recorded by changing the lengths of a recorded portion and an unrecorded or erased portion has a problem that, when new information is recorded in an already recorded region, the newly recorded information may ... | 10/31/2006 |
| 7126886 | Magneto-optical recording medium and method for producing the same According to the present invention, a light beam is radiated to an area between recording tracks while the intensity of a magnetic field from the outside to a magneto-optical recording medium is suppressed to 50 Oe or less, whereby magnetic anisotropy formed between... | 10/24/2006 |
| 7126895 | Optical disk recorder optimizing laser power for initial writing and overwriting A method is designed for recording data on a recordable area of an optical disk by irradiating thereto an optical beam having a writing power effective to write the data in the recordable area including a non-recorded area which is blank and a recorded area which is... | 10/24/2006 |
| 7113453 | Method for recording and reproduction on a magneto-optical recording medium A magneto-optical recording medium and a method for recording and reproduction thereon are provided in order to reproduce information recorded by multi-valued recording at a high S/N ratio. Disclosed is a magneto-optical recording medium including two magnetic layer... | 09/26/2006 |
| 7095692 | Optical disc apparatus and recording power determining method thereof A method of determining a recording power used to record information to an optical disc, includes carrying out test recording which records predetermined data to a predetermined area of the optical disc to determine the recording power, and recording predetermined d... | 08/22/2006 |
| 7075055 | Measuring device Provided is a measuring device which has a focusing unit for focusing light flux from a light source and irradiating it to a magnetic substance to be measured, a half-turn asymmetric element acting only on the light flux reflected by the magnetic substance to be mea... | 07/11/2006 |
| 7072253 | Optical disc reproduction apparatus and automatic adjustment method for same An optical disc reproduction apparatus is provided for permitting appropriate automatic adjustment to a servo control system, particularly a CD and a DVD-ROM having a BCA. A limit switch 24 is disposed in such a manner that it detects movement of an op... | 07/04/2006 |
| 7065012 | Optical storage device and emission control method An optical storage device decreases the influence of return light to the laser light source and prevents an increase of power consumption even if high frequency superimposing is performed. The optical storage device applies drive current, to which a high frequency s... | 06/20/2006 |
| 7027385 | Optical disk, disk substrate, and drive An optical disk 100 is provided with a hub 3 at the central portion of a substratel. A relationship Y/X≧0.015, preferably Y/X≧0.05 is satisfied where X is the projected area of the substrate 1 and Y is a contact area between the hub 3... | 04/11/2006 |
| 7020049 | Apparatus using a detected light beam power at a start of change of a magnetized state for setting a reproducing light beam In a magneto-optical disk drive using a domain wall moving magneto-optical recording medium, a test-writing operation adjustment to deal wit dynamic fluctuation factors is minimized, and a reproducing or recording laser power is automatically optimized. A power of a... | 03/28/2006 |
| 7012776 | Exposure dose control of rotating electron beam recorder In a beam lithography operation the relative motion between a work piece and the exposure beam produces variations in linear speed at different regions of the work piece surface. For example, if a disk work piece rotates with a constant angular velocity (CAV) relati... | 03/14/2006 |
| 6975564 | Magneto-optical recording medium for use in domain wall displacement detection system, and method for producing the same An optical disk of the present invention includes a substrate and a recording layer disposed above the substrate, and reproduces an information signal by a DWDD system, using light incident from the substrate side. The optical disk further includes a first dielectri... | 12/13/2005 |
| 6967915 | Method for determining a writing power of an optical disc drive through a shiftable polynomial function capable of being shifted according to a difference between a real read-back signal parameter and a target read-back signal parameter A method for determining an optimum writing power of a compact disc drive includes representing the relationship between a target read-back signal parameter and writing power as a polynomial function, which is stored in a database. The optimum writing power is obtai... | 11/22/2005 |
| 6965556 | Optical information medium having high resolution beyond a diffraction limit and reading method In an optical information medium having an information bearing surface having projections and depressions and/or capable of forming recorded marks, a functional layer is added. The information borne on the information bearing surface can be read by using reading lig... | 11/15/2005 |
| 6950260 | Thermally assisted magnetic recording system and method of writing using magnetic and thermal gradients A magnetic recording system is provided having a write head employing a combination of magnetic write field gradient and thermal gradient to write data on a ‘thermal spring’ magnetic recording media. The write head comprises a magnetic element using a write curr... | 09/27/2005 |
| 6944101 | Recording pole for delivering coincident heat and magnetic field A magnetic recording device is provided according to the present invention for magnetic recording on a recording medium. The magnetic recording device includes a magnetic pole and a C-aperture structure disposed adjacent the magnetic pole. A focusing element receive... | 09/13/2005 |
| 6842711 | Power calibration system The present invention provides a high precision, low cost laser power calibration system. First, the photo signals output from a standard photo diode are received by a photo calibration system; then a set of standards consisting of the corresponding current signals ... | 01/11/2005 |
| 6781941 | Field serviceable laser pen for optical disk drives A laser source is located in a relatively cool accessible location. Because there is adequate heat dissipation for the laser source, changes in the laser wavelength that arise from laser temperature changes are minimized. The invention described here includes the us... | 08/24/2004 |
| 6754141 | Recording medium, method for recording and reproducing data using the medium, and magneto-optical recording apparatus A magneto-optical recording medium, a method for recording and reproducing data using the medium and a magneto-optical recording apparatus are provided in which an optical head reads the recorded data while applying a magnetic field, and the ill effect of the leakag... | 06/22/2004 |
| RE38501 | Magnetooptical recording medium and information recording and reproducing methods using the recording medium A method of recording information on and reproducing information from a magnetooptical recording medium which includes first and second magnetic layers. The method includes the step of projecting a light spot onto the medium. When reproducing information, the light ... | 04/20/2004 |
| 6714230 | Method for optically recording information on an optically re-writable information medium A method for optically recording information on an optically re-writable information medium is described. A mark is formed on a recording medium by radiating a laser light having the strength of the short recording pulse signal followed by the off-pulse signal. The ... | 03/30/2004 |
| 6674693 | Recording method, reproducing method and recording and reproducing apparatus for magneto-optical recording medium While a magneto-optical recording medium is irradiated with a laser beam, the medium is rotated relative to the beam at a controlled speed in such a manner that a high temperature region of a heat spot produced on the basis of the light intensity distribu... | 01/06/2004 |
| 6671235 | Method of and apparatus for defining disk tracks in magnetic recording media A method of, and apparatus for, defining disk tracks in magnetic recording media. The track-writing apparatus (20) is capable of forming tracks (340) with a track width (TW) and track spaces (350) with a space width (SW) on a magnetic media disk (70) havi... | 12/30/2003 |
| 6600712 | Optical information recording method and apparatus An optical information recording method and apparatus which records information on a recording medium by irradiating the recording medium with an irradiation light of a recording power to form a recorded-mark on the recording medium such that reflection c... | 07/29/2003 |
| 6522604 | Apparatus and method for inscribing, optically detecting, and using a clock pattern to write a servo pattern in an information storage unit Apparatus (10) and method (100) for inscribing a clock pattern (14), detecting the clock pattern (14) optically, and using the clock pattern (14) to write a sevo pattern in an information storage unit (12), such as a computer hard drive. The clock pattern... | 02/18/2003 |
| 6317280 | Thermomagnetic recording and reproducing head having a heating head with a width narrower than the magnetic heads, a recording and reproducing device with such a heating head and methods related thereto A thermomagnetic recording and reproducing head includes a floating slider, and a heating head, a reproduction-use magnetic head as an MR head and a recording-use magnetic head as a thin-film inductive head mounted on the floating slider in this order fro... | 11/13/2001 |
| 6304522 | Data medium optical recording/reading device An optical read/write device for an information medium which includes a transparent substrate having an approximately plane face carrying at least one pair of electrodes defining an airgap area whose size corresponds approximately to the size of the infor... | 10/16/2001 |
| 6266298 | Apparatus and method for inscribing, optically detecting, and using a clock pattern to write a servo pattern in an information storage unit Apparatus (10) and method (100) for inscribing a clock pattern (14), detecting the clock pattern (14) optically, and using the clock pattern (14) to write a sevo pattern in an information storage unit (12), such as a computer hard drive. The clock pattern... | 07/24/2001 |
| 6229783 | Optical recording device having a medium with two superimposed levels and method for reading An optical recording device including a medium having a first recording level, which includes a first active film having amorphous areas and crystalline areas, the first recording level being configured to produce a phase difference between an optical bea... | 05/08/2001 |
| 6111823 | Method for recording information data on magneto-optical recording medium without cross-erasing A data recording method for a magneto-optical recording medium that is adapted to record a data on the magneto-optical recording medium without cross-erasing. In this method, a laser light is irradiated onto the magneto-optical recording medium to record ... | 08/29/2000 |
| 6101154 | Method of recording data on magneto-optical recording medium and apparatus thereof A method and apparatus for recording data on a magneto-optical recording medium that is adapted to record a data on the magneto-optical recording medium without cross-erasing and to record a data on the magneto-optical recording medium in such a manner to... | 08/08/2000 |
| 6058077 | Signal reproducing method and apparatus for reproducing information by moving magnetic wall In a signal reproducing apparatus, information is reproduced by moving a magnetic wall on a magnetic recording medium as follows. A temperature profiled is given the medium by using a light beam so as to detect a first reproduction signal h(t)=f(t)+³... | 05/02/2000 |
| 6030716 | Magneto-optical recording medium and method of reproducing information recorded on such medium A magneto-optical recording medium adapted for reproduction of a high resolution signal without the necessity of a reproducing magnetic field. The magneto-optical recording medium comprises a transparent substrate and deposits of a reproducing layer, a sw... | 02/29/2000 |
| 5982714 | Laser beam adjusting for magnetic field modulation overwrite magneto-optical recording device The invention provides a laser strobe type magneto-optical recording apparatus wherein the recording laser power can be set in conformity with an influence of variations such as environmental variations arising from dust sticking to an objective lens, a d... | 11/09/1999 |
| 5959942 | Method and apparatus for reading a magneto-optical recording medium with asymmetrical edges A reading method and reading apparatus for a magneto-optical recording medium designed to modulate an applied magnetic field. The magnetic field corresponds to the leading and trailing edges of a reproduction signal so that when reading data a magnetic fi... | 09/28/1999 |
| 5956295 | Magneto-optical disk drive supporting a direct-over-write operation and a write-after-erase operation A magneto-optical recording system which is compatible the write-after-erase magneto-optical media and the directly-over-write magneto-optical media. The magneto-optical recording system provided by the present invention includes a detector used for detec... | 09/21/1999 |
| 5953289 | Magneto-optical recording-reproducing method utilizing domain wall displacement, and apparatus therefor A method for reproducing information on a magneto-optical medium comprises causing temperature distribution on the magneto-optical medium by projection of a light beam and displacing domain walls by the temperature gradient, wherein a detected reproductio... | 09/14/1999 |
