Bizarre Patents
An armor with rollers is provided that enables a user to move in all positions by rolling on a hard and smooth surface while constantly varying his bearing points on the ground.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 6999948 | Memory card A memory card 110 extracts a session key Ks from the data applied onto a data bus BS3 by carrying out a decryption process. An encryption processing unit 1406 encrypts a public encryption key KPcard(1) of memory card 110 based on session ... | 02/14/2006 |
| 6818157 | Light guiding plate manufacturing apparatus and light guiding plate manufacturing method A light guiding plate is manufactured with accuracy and at low cost. This invention comprises a cylindrical roller, which has a heater built-in, rotating while fixing a stamper having a dot pattern formed on its surface, substrate fixing means for reciprocating alon... | 11/16/2004 |
| 6798900 | Paper sheet identification method and apparatus An identification method and apparatus for paper sheet statistically process information representing characteristics of a bank note, condense these to a smaller number of characteristics, and determine the authenticity of the bank note by using these characteristic... | 09/28/2004 |
| 6699643 | Stamper manufacturing method It is an object to provide a stamper manufacturing method capable of shortening a time taken for manufacturing a stamper without requiring special equipment such as a dry etching device. The stamper manufacturing method comprises the steps of forming a ph... | 03/02/2004 |
| 6675948 | Method and apparatus for taking out information using magnetic sensor and carrying out test of article by using that information An apparatus adapted for testing, in a non-contact manner, true/false property of bill, coin or magnetic card to be tested, comprises a non-contact type magnetic sensor 1 disposed, at a predetermined position of a carrying passage of the bill, in a manner... | 01/13/2004 |
| 6625097 | Recorded medium reproducing apparatus A recorded medium reproducing apparatus that is capable of loading a plurality of various types of recorded media, and is such that it is possible to simultaneously display, in an easy-to-understand form for the user, for each recorded-medium accommodatin... | 09/23/2003 |
| 6598871 | Paper-like-piece handling apparatus Reciprocating unit for reciprocating a pressing plate includes a pair of link mechanisms disposed along opposite sides of the pressing plate. Each of the link mechanisms includes a pair of link members pivotally connected with each other in an intersectin... | 07/29/2003 |
| 6587984 | Distortion detecting device, distortion correcting device, and distortion correcting method for digital audio signal A digital audio signal distortion detecting device is provided for estimating the distortion based on the linearity error of an analog/digital converter at the time of analog/digital conversion from a digital audio signal converted from analog to digital ... | 07/01/2003 |
| 6529269 | Paper sheet identification method and device Disclosed are a method and a device capable of high-precision identification of a color-copied paper sheet without increasing the amount of data extracted from the paper sheet. The method and device fox identifying a paper sheet radiate at least two light... | 03/04/2003 |
| 6504993 | DVD recording device and recording method A DVD recording apparatus that can record the video data taken with a video camera directly on an optical disk in a format reproducible on a DVD video playback device without using an intermediate medium, wherein a controller instructs a data recording un... | 01/07/2003 |
| 6456572 | Disk driving unit A compact disk drive unit capable of changing disks in a very short time. An access mechanism is provided for transferring a disk between a rack and a plurality of disk driving mechanisms, wherein the access mechanism is pivotally supported by a central s... | 09/24/2002 |
| 6434100 | Optical disc reproducing apparatus There is provided an optical disk reproducing apparatus comprising a pickup component for detecting digital audio data from an optical disk, a storing component for temporarily storing the digital audio data detected by the pickup component, an input comp... | 08/13/2002 |
| 6426509 | Optical paper sheet checking apparatus having an automatic adjustment function In quantitatively detecting light permeated through or reflected from a paper sheet in order to detect optical characteristics of the paper sheet, an optical paper sheet checking apparatus detects with stability and optimum precision. The optical paper sh... | 07/30/2002 |
| 6393140 | Paper-like piece identifying method and device Detected data for a plurality of predetermined positions on a particular bill to be identified are each converted into relative-value data to a minimum value of the detected data for the individual positions, to extract a characteristic pattern of designs... | 05/21/2002 |
| 6373798 | Recording device which can continuously record information data onto plurality of information media A recording device that can continuously record information data onto a plurality of information media without recording any particular information pertaining to continuous recording and without losing any information data is disclosed. The device records... | 04/16/2002 |
| 6320827 | Optical disc reproducing apparatus The present invention makes it possible to reproduce an optical disc in random reproduction or programmed reproduction without interrupting reproduction, even though discs such as a DVD or CD-I with an interactive function are not removed from the roulett... | 11/20/2001 |
| 6317045 | Reproducing device The reproducing device is prevented from being taken out because the reproducing device becomes controllable by operation of the device only when a visitor who borrowed the reproducing device enters through a specified entrance and that the reproducing de... | 11/13/2001 |
| 6317715 | Direction guidance from voice reproduction apparatus and system A voice reproduction apparatus and voice reproduction system for providing guide voice corresponding to a moving direction of a user, for example a visually handicapped person, in a theme park or the like. The voice reproduction apparatus comprises: a rec... | 11/13/2001 |
| 6314083 | Frequency control device and method for frequency synchronization with multiplex signal by OFDM, receiving device, and communication device The present invention provides a frequency control device for following frequency deviation of OFDM (Orthogonal Frequency Division Multiplexing). On metrics obtained by discrete Fourier transform by a discrete Fourier transform section 1200, calculation is per... | 11/06/2001 |
| 6216843 | Apparatus for taking out information using magnetic sensor and carrying out test of article by using that information An apparatus adapted for testing, in a non-contact manner, true/false property of bill, coin or magnetic card to be tested, comprises a non-contact type magnetic sensor 1 disposed, at a predetermined position of a carrying passage of the bill, in a manner... | 04/17/2001 |
| 6164538 | Apparatus and method for determining types of recorded data cards The current invention is an apparatus and method for determining types of recorded data cards, capable of shortening card processing time, preventing card deterioration such as damage to the cards, and correctly processing recorded data cards. An apparatu... | 12/26/2000 |
| 6061314 | Optical disc device reproducing information according to reproduction speed information An optical disc device in which a reproduction speed of audio information recorded in a track (or disc) of a mini-disc (MD) etc. can be easily changed. Reproduction speed information is recorded in a track name area (or disc name area) of UTOC area of an ... | 05/09/2000 |
| 6058079 | Optical disc reproducing apparatus for pre-reading recording data to be reproduced An optical disc reproducing apparatus which is useful and can preliminarily read and edit audio data to be reproduced and output the edited data is provided. The optical disc reproducing apparatus comprising: reproducing means for reproducing recording da... | 05/02/2000 |
| 6021393 | Medical information management system As a portable memory card carried by a patient to store the patient's personal medical information, a hybrid-type memory card is used which includes an optical information recording area, an integrated circuit memory area and a magnetic information record... | 02/01/2000 |
| 6014364 | Optical information recording medium and method of manufacturing An optical information recording medium which can be played back by both a playback system for an SD (Super-density Disk) and a playback system for an HDMCD (High Density Multimedia Compact Disk), or by both the playback system for the SD and a playback s... | 01/11/2000 |
| 5997396 | System and method for managing quantity of stored coins A coin handling mechanism includes a counter for counting coins incoming and outgoing to and from a cassette-type coin storage tube. In response to detection of temporary detachment of the cassette during collection of the stored coins from the tube, the ... | 12/07/1999 |
| 5964336 | Bill identifying apparatus and a bill identifying method A sensor section for obtaining identification data from a bill passing through a bill transfer path can selectively be mounted in a plurality of positions on the body of a bill identifying apparatus. The sensor section is mounted in one of the mounting po... | 10/12/1999 |
| 5966367 | Optical information recording medium An optical information recording medium which can be played back by both a playback system for an SD (Super-density Disk) and a playback system for an HDMCD (High Density Multimedia Compact Disk), or by both the playback system for the SD and a playback s... | 10/12/1999 |
| 5940352 | Record medium device for recording and reproducing time codes synchronized with input/reproduction signals into and from record medium having UTOC area, and record medium having UTOC area A record medium device recording/reproducing signals in a format without time code from a record medium, yet being able to record/reproduce time codes. Time-code conversion circuit 16 obtains a time code indicating a head of a track from time code signals... | 08/17/1999 |
| 5936920 | Tracking method and device for use with an optical recording medium During recording of data on a recording medium, tracking is performed using auxiliary beams to refer to guide tracks as done in the conventional three-beam method. During reproduction of data from the recording medium, tracking is performed using a main b... | 08/10/1999 |
| 5923638 | Disk reproducing apparatus having an auto-changer A disk reproducing apparatus having an auto-changer allowing information recorded on both sides of a disk to be reproduced. The apparatus has a storing unit for storing disks having information recorded on both sides, a reproducing unit for reproducing th... | 07/13/1999 |
| 5909418 | Optical information recording device and method for detecting and verifying recorded information A laser light beam generated from a light source is divided by a diffraction grating into a plurality of light beams, i.e., a single main beam to be used for recording information and plural auxiliary beams distributed on two imaginary straight lines cros... | 06/01/1999 |
| 5871881 | Multilayer optical information medium A multilayer optical information medium provided with structure in which first and second substrates respectively provided with two to four layers of planar information areas are respectively arranged outside wherein the thickness of the above-described f... | 02/16/1999 |
| 5828648 | Optical information recording medium and method of manufacturing An optical information recording medium which can be played back by both a playback system for an SD (Superdensity Disk) and a playback system for an HDMCD (High Density Multimedia Compact Disk), or by both the playback system for the SD and a playback sy... | 10/27/1998 |
| 5801368 | Information recording and reproducing apparatus Apparatus for recording and reproducing information prevents the bearing surface of an auxiliary bearing of a card carriage which is in sliding contact with an auxiliary guide rail from being locally worn. A main guide rail and the auxiliary guide rail ar... | 09/01/1998 |
| 5790245 | Paper examining method and apparatus The paper examining apparatus examines the genuineness of a paper, such as a bank note, on the basis of its physical characteristics measured from the various points of the paper. The apparatus includes a carry distance detecting device, such as a rotary ... | 08/04/1998 |
| 5777307 | Optical information recording with preformatted synchronization signals and information recording and reproducing method Each information recording track has pre-formatted fore and rear header sections containing address information identifying the track, which permit each of the recording tracks to be accessed from either of the header sections. A predetermined synchroniza... | 07/07/1998 |
| 5731923 | Medium recording apparatus and medium reproducing apparatus, and medium recording method and medium reproducing method, and medium used therefor In a recording and reproducing apparatus capable of continuously recording to and reproducing from a plurality of media, the recording and reproducing apparatus includes a recording and reproducing device for recording data to and reproducing it from the ... | 03/24/1998 |
| 5703868 | Optical information recording medium having discernible obverse and reverse sides A laminate type optical information recording medium which is identifiable on the basis of its color, is formed without change to conventional manufacturing steps by laminating two optical information recording media, each of which includes at least a sub... | 12/30/1997 |
| 5695395 | Coin dispensing apparatus A coin dispensing apparatus having a simple construction and capable of dispensing coins securely and easily. A guide member is arranged extending along a tangent to a column formed in the center of rotation of the disk, whereby the coins can be smoothly ... | 12/09/1997 |
