Bizarre Patents
Microwave Oven With Removable Storage Cassette in Dashboard of Motor Vehicle
A microwave oven adapted for use within a motor vehicle dashboard area. The microwave oven has a removable storage cassette, and slidable platforms for securing and serving containers of beverages and foods.
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 |
| 7958377 | Secure access system and method In one embodiment, a storage device is provided that includes: a storage medium; and a storage engine, the storage engine being configured to generate a secure session key and to receive encrypted content and a corresponding encrypted content key from a host system,... | 06/07/2011 |
| 7914711 | Use of mother stamper for optical disk molding Optical disks are formed using mother stampers having a spiral groove and/or a spiral pattern of pits corresponding to the pattern from an original laser cut. The mother stamper is the mirror image of the corresponding father stamper. Injection molding of polycarbon... | 03/29/2011 |
| 7913270 | First surface removable optical disc within a cartridge A user-removable optical data storage system is provided. A rotatable first-surface medium is enveloped in a cartridge. The cartridge provides relatively large data capacity such as about 0.25 Gbytes or more despite a relatively small size such as about 35 mm×35 mm... | 03/22/2011 |
| 7839729 | Optical drive servo with a servo processor receiving photodetector signals An optical disk drive is provided that includes: a plurality of photodetectors for receiving reflected light from an optical disk, each photodetector providing a photodetector output signal; an analog-to-digital converter for converting versions of the photodetector... | 11/23/2010 |
| 7808880 | Optical disk drive with hybrid solid immersion objective lens A small form factor optical disk drive is provided that incorporates a hybrid solid immersion objective lens (SIOL). The SIOL includes a central aspheric lens portion and a surrounding diffractive optical element portion. ... | 10/05/2010 |
| 7808879 | Optical disk drive with micro-SIL A small form factor optical disk drive is provided that incorporates a SIL/objective lens assembly. A laser for the small form factor optical disk drive has a coherence function having maxima spaced apart by intervals. The optical disk drive is configured such that ... | 10/05/2010 |
| 7782721 | Digital focus and tracking servo system with multi-zone calibration A multi-zone calibration system is disclosed. The multi-zone calibration system calibrates the operating parameters of an optical disk drive over a plurality of zones over an optical media. The optical media, in addition, can have writeable and premastered portions.... | 08/24/2010 |
| 7729495 | System and method for detecting unauthorized copying of encrypted data A system and method is provided for detecting unauthorized actions with respect to encrypted data on a media disk, the media disk including a first portion for prerecorded content and a second portion for written content. The method includes reading an identifier on... | 06/01/2010 |
| 7680004 | Digital servo system with inverse non-linearity compensation A servo system with in an optical disk drive with an inverse non-linearity compensation is disclosed. An error signal calculated from signals received from an optical pick-up unit can be offset by an offset value and amplified by a gain in the early stages of a calc... | 03/16/2010 |
| 7675835 | Small form-factor optical data storage device A small form factor optical disk drive is provided. An OPU is mounted on a sled such that an optical path length to the optical media falls substantially between coherence function maxima. ... | 03/09/2010 |
| 7672903 | Revocation method and apparatus for secure content A system and method is provided for revoking a device. A method includes receiving a certificate from the device, the certificate including one or more of fields, at least one of the fields holding a signature, attempting to verify the signature, receiving a revocat... | 03/02/2010 |
| 7672199 | Close focus algorithm in a digital focus servo system A focus servo system with a focus close algorithm is disclosed. The focus close algorithm provides a bias control effort to the focus servo system when focus is closed. A method of closing focus includes positioning an optical pick-up unit at a first position away f... | 03/02/2010 |
| 7593300 | Digital tracking servo system with off-format detection An off-format condition in a digital tracking servo is presented. An off-format condition can be detected by low pass filtering a tracking control signal, detecting a DC level over a threshold level, and indicating the off-format condition if the DC level is above t... | 09/22/2009 |
| 7554898 | Dual density disc with associated properties An optical storage disc has portions for storing pre-recorded or mastered information and portions for storing user writable information, where the mastered portion and the writable portions have different storage capacities or areal data densities. During manufactu... | 06/30/2009 |
| 7549044 | Block-level storage device with content security A block-level storage device is provided that implements a digital rights management (DRM) system. In response to receiving a public key from an associated host system, the storage device challenges the host system to prove it has the corresponding private key to es... | 06/16/2009 |
| 7522480 | Digital tracking servo system with multi-track seek with an acceleration clamp A servo system with a multi-track seek algorithm with an acceleration clamp is presented. The multi-track seek algorithm detects zero crossings in a tracking error signal, counts the number of zero crossings to form a count, and calculates a reference velocity from ... | 04/21/2009 |
| 7492675 | Digital servo system with calibrated notch filters A system which calibrates notch filters in a digital servo system is presented. A notch filter can be calibrated by obtaining a frequency response curve of the digital servo system in a range of frequencies, searching the frequency response curve for at least one pe... | 02/17/2009 |
| 7414940 | Calibration of a focus error signal gain in a focus servo system A calibration of a focus error signal gain in a focus servo system of an optical disk drive is presented. The focus error signal gain can be calibrated by oscillating an optical pick-up unit in a focus direction through a focus point and determining a focus sum thre... | 08/19/2008 |
| 7368222 | Optical data storage media with enhanced contrast Disclosed is an optical data storage medium with enhanced contrast. The optical data storage medium includes a substrate having oppositely facing first and second surfaces. A first metal/alloy layer is formed overlaying the first surface of the substrate. The first ... | 05/06/2008 |
| 7337452 | Tilt focus mechanism for an optical drive An apparatus for dynamically positioning a rotary actuator that positions an objective lens in three dimensions relative to the surface of an optical disk. A first voice coil motor positions the actuator generally in two dimensions parallel to the surface of the dis... | 02/26/2008 |
| 7310821 | Host certification method and system A system and method is provided for authenticating a device. A method includes receiving a certificate from the device, the certificate including a plurality of fields, including a field holding a digital signature from a certifying authority, verifying the digital ... | 12/18/2007 |
| 7260031 | Digital focus and tracking servo system with one-track jump A tracking and servo system with a one-track jump is disclosed. The one track jump algorithm holds a control signal from the tracking servo system. The one track jump algorithm adds an acceleration control signal to the held control signal for a first period of time... | 08/21/2007 |
