Bizarre Patents
Crispy Chip Sandwich and Process of Producing a Sandwich Product
A food product comprising a multilayer cookie or snack having outer layers formed from a crispy type edible food product such as a potato chip or corn chip, etc. with an intermediate marshmallow layer being in contact with the inner surface of each crispy chip and one or more filler substances.
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| Number | Title | Issue Date |
| 8305854 | Optical disc drive An optical disc drive according to the present invention includes an optical pickup and a writing control section for instructing the optical pickup to record a mark, representing the information to be written, on the optical disc. In recording the mark on the optic... | 11/06/2012 |
| 8238213 | Optical disc drive An optical disc drive according to the present invention can write information on an optical disc, which includes a substrate on which a number of pre-pits 2 have been formed on its tracks and a recording film that is supported on the substrate. The drive inc... | 08/07/2012 |
| 8218413 | Optical disc drive An optical disc drive according to the present invention writes information on an optical disc, which includes a substrate on which a number of pre-pits have been formed on its tracks and a recording film that is supported on the substrate. The optical disc drive in... | 07/10/2012 |
| 8085626 | Optical pickup device and lens for optical pickup An optical pickup device according to the present invention comprises: a first mirror for reflecting a first light beam outputted from a first light source and letting a second light beam outputted from a second light source pass therethrough; a first object lens fo... | 12/27/2011 |
| 8045432 | Optical disc device Light emitted from a radiation light source 1 passes through a diffraction grating 3a and is separated into transmitted light a and +1st/−1st order diffracted lights b, c. These lights are collected through an objective lens 7 on tracks... | 10/25/2011 |
| 8000184 | Optical pickup device and optical disc device with offset compensation When first-order diffracted beams leak into a region, which is for receiving only a zeroth-order diffracted beam from an optical disc, due to positional displacement between an objective lens and a hologram element, an offset compensation signal includes an AC compo... | 08/16/2011 |
| 7986607 | Wave plate, optical pickup and optical disc apparatus An optical pickup includes a wave plate on an optical path to be followed by every light beam emitted from three light sources (with wavelengths λ1, λ2 and λ3, respectively) both on their way toward an optical disc and back from t... | 07/26/2011 |
| 7948839 | Optical disk apparatus An optical disk apparatus includes: an optical pickup unit for reading out information recorded on an optical disk; a demodulation circuit for demodulating digital data from an output signal of the optical pickup unit; and a controller for performing a servo control... | 05/24/2011 |
| 7929399 | Optical pickup device and optical disc device When recording on and/or reproducing from an information recording medium having a plurality of recording layers is performed, there has been a problem in appropriately detecting a control signal at the time of the recording and/or reproducing, since reflected light... | 04/19/2011 |
| 7911926 | Optical disc drive A tracking error signal is generated with stability without being easily affected by a distribution fluctuation of light reflected from an optical disc or by a lens shift. An optical disc drive according to the present invention includes: an objective lens | 03/22/2011 |
| 7830761 | Optical disk apparatus An optical disk apparatus according to the present invention includes: a rotation driving section on which an optical disk is to be mounted and which drives the optical disk so as to be rotated; a light source; an objective lens for converging light from the light s... | 11/09/2010 |
| 7692875 | Optical pickup and optical disk device having this pickup An optical pickup according to the present invention includes a plurality of light sources for emitting a plurality of light beams including first and second light beams of respectively different wavelengths, an objective lens for converging the plurality of light b... | 04/06/2010 |
| 5946137 | Optical information processing unit In the system of an optical head which conducts recording, reproducing and erasing, etc. on an optical disk by an optical means, the light from an optical disk is guided to photosensors through a diffraction element comprising of two kinds of diffraction ... | 08/31/1999 |
| 5315574 | Optical head with polarized beam hologram An optical head with a polarized beam hologram for optically recording and reproducing information on and from a recording medium. The optical head comprises an optical lens for converging a light beam emitted from a light source on the recording medium a... | 05/24/1994 |
| 5260929 | Optical disk drive including dust-proofing annular projections An optical disk drive of the type having a fixed optical unit having a light transmitting hole from which a laser beam is emitted, and a movable head having a light receiving hole from which the laser beam is received, wherein the respective outer edges o... | 11/09/1993 |
| 5151889 | Optical head device using cross-polarized from a light source for use in optical disk system An optical head system for optically recording and reproducing information on and from an optical recording medium. The optical head system comprises a light source for emitting a light beam, a collimator lens for causing the light beam from the light sou... | 09/29/1992 |
| 5091793 | Optical head An optical head for recording and reproducing information on an optical disk includes a box-like cover carrying thereon a semiconductor laser unit and a detector, and a substantially planar base on which various optical components are bonded, the base bei... | 02/25/1992 |
