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"During my service in the United States Congress, I took the initiative in creating the Internet."
Al Gore ; The basis for the later misquote by US Republicans that Gore had "invented" the Internet. Gore was the leading political champion of the modern-day Internet.
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| Number | Title | Issue Date |
| 8174953 | Input current channel device An input current channel device is described. This device comprises a first terminal for receiving a reference signal; a second terminal for receiving a first target signal; a pass through device coupled to the first terminal, the pass through device operative for t... | 05/08/2012 |
| 8174954 | Optical information recording and reproducing method and optical information recording and reproducing apparatus An optical information recording and reproducing method for recording or reproducing information by irradiating pulsed laser diode light from a laser diode (LD) light source in which the resistance value of the LD light source is measured in an operating state, the ... | 05/08/2012 |
| 8165006 | Optical disc device and data reproduction method for the same Prevention of deletion of data in an unintended recording layer of an optical disc is ensured even when servo deviation occurs while controlling data reproduction. A light source outputs a light beam with light intensity according to a driving current on which a hig... | 04/24/2012 |
| 8165005 | Optical recording method and optical recording apparatus Disclosed is an optical recording method. The optical recording method includes irradiating an area where a recording mark is formed in a medium with a pulse train of laser light, and irradiating the area where the recording mark is formed with continuous-wave laser... | 04/24/2012 |
| 8139465 | Optical disc recording device, method, and computer program An information recording apparatus (1) is provided with: a recording device (102) for recording information onto an information recording medium (100) by irradiating the information recording medium with a recording laser beam (L); a controlling... | 03/20/2012 |
| 8121014 | Method and apparatus for determining the reading power of an optical reproducing device Since the conventional optical disk recording/reproducing apparatus cannot correctly measure a power of a main beam that is a part of the laser light outputted from an objective lens and is focused on a recording layer to contribute to recording/reproducing, it is d... | 02/21/2012 |
| 8111603 | Optical disk apparatus and its reproducing method Amplitude and frequency of a high-frequency signal superposed on a reproduction laser beam are changed in accordance with a reproduction spot diameter on the surface of the recording layer upon discrimination of an optical disk in initial adjustment after insertion ... | 02/07/2012 |
| 8102750 | Super resolution producing apparatus capable of adjusting reproduction power When a super resolution technology for optical disks is used in a situation where optical disk management information is formed with a signal that cannot be reproduced by a reproduction method based on a conventional optical disk technology, optical disk drives cann... | 01/24/2012 |
| 8102751 | Optical recording condition setting method, optical recording/reproducing device, control program, and recording medium In order to provide an optical recording condition setting method which reduces effects from uneven properties of a rewritable or recordable optical disk and an optical recording/reproducing device, and to provide an optical recording/reproducing device which execut... | 01/24/2012 |
| 8077586 | Optical recording head device, optical recording apparatus, and recording method According to one embodiment, an optical recording head device includes a light source which outputs such a relaxation oscillation optical pulse that a full width at half maximum of a single pulse is 820 ps or less, a driving unit for driving the light source, an obj... | 12/13/2011 |
| 8064321 | Hybrid laser diode drivers that include a decoder Provided herein are hybrid laser diode drivers (LDDs) that drive a laser diode in response to receiving enable signals from a controller. In accordance with specific embodiments, a hybrid LDD includes a read channel to selectively output a read current, one or more ... | 11/22/2011 |
| 8023391 | Photodetection device and optical disk device A photodetection device is provided with a photoelectric converter portion that converts light to electric current, an electrical current/voltage converter portion, including a feedback circuit that returns at least part of the output to the input side, that convert... | 09/20/2011 |
| 8018817 | Method of recording erase pattern information on an optical recording medium, erasing information on the optical recording medium based on the erase pattern information, and optical recording medium therefor An optical recording medium is provided for allowing data to be recorded on, erased from, and reproduced from, and storing information about power levels of an erase pulse. The recorded erase pattern information may include information about power levels of first an... | 09/13/2011 |
| 8009546 | Over current protection device An over current protection device is described. It includes a plurality of input channels for receiving an input signal; a plurality of low pass filters coupled to a first group of the plurality of input channels, wherein each low pass filter is associated with one ... | 08/30/2011 |
| 8004957 | Recording and reproducing method and recording and reproducing apparatus A recording and reproducing method has a recording pulse generating step of generating a recording pulse to set timing of a beam emitted from a laser according to data to be recorded on an information recording medium; a laser power control step of controlling a las... | 08/23/2011 |
| 8000211 | Optical disc apparatus and method for controlling the same An optical disc apparatus capable of obtaining an effect to reduce the laser noise without shortening the laser diode service life or increasing the power consumption. The optical disc apparatus includes a laser diode for emitting a laser beam, a laser driver for dr... | 08/16/2011 |
| 7995447 | Method for controlling read power and open-loop read control device using the same A method for controlling read power and an open-loop read control device using the same. The open-loop read control device is used in an optical disk writer and includes a memory, a DAC and an amplifier. The optical disk writer includes a pickup head device having a... | 08/09/2011 |
| 7965612 | Optical head, and information recording-and-regeneration apparatus An optical head that is restrained from becoming larger, even if it is used for an optical-information recording medium that includes a plurality of information recording layers. In this optical head, a collimating lens is formed by a concave lens disposed on the si... | 06/21/2011 |
| 7961584 | Operating current modifying device and method An operating current modifying device is provided for a power generating element. The power generating element generates an output power when the operating current is larger than a threshold current in the power generating element. A functional relationship is betwe... | 06/14/2011 |
| 7948858 | Optical information processing apparatus, optical pick-up device and optical recording disc system An optical pick-up device includes a laser source enabling emission of at least two light beams with different wavelengths, an objective lens which focuses the light beams emitted from the laser source on an optical disc, an optical detector which receives a light r... | 05/24/2011 |
| 7944801 | Information recording and/or reproducing apparatus having two photodetectors to control the light intensity of two light sources with different wavelengths An apparatus for effecting at least one of recording and reproducing information. A first light source has a light intensity and emits a light beam having an emission wavelength. A second light source has another light intensity and emits a light beam having an emis... | 05/17/2011 |
| 7924689 | Optical disk apparatus Provided is an optical disk apparatus which optimizes a frequency of a high frequency superimposing operation upon reproduction so that good reproduction performance is realized in a wide irradiation power range of a laser power. The optical disk apparatus includes:... | 04/12/2011 |
| 7916613 | Higher performance DVD writing current circuit A writing current circuit (42) supplies a controlled electrical current to a laser diode (34) for recording data swiftly onto a DVD (16). A plurality of current sources (62) in the writing current circuit (42) supply electrical cur... | 03/29/2011 |
| 7869333 | Optical disc apparatus and optical disc reproducing method The object of this invention is to provide an optical disc apparatus and an optical disc reproducing method that can realize an excellent reproducing operation by suppressing noise in the optical disc apparatus using an optical attenuator. In order to solve this obj... | 01/11/2011 |
| 7859979 | Optical disk apparatus, laser power controller, and laser power control method A laser power controller includes a loop control section to control a laser light output level of an optical head that applies laser light onto a disk for recording data to be a prescribed value, a DAC control section to hold as a previous level a laser control leve... | 12/28/2010 |
| 7859980 | Optical pickup device and information processor In an optical beam transmissive adjusting mechanism (110) included in an optical pickup device, arrangement positions of a first transmissive element (111) having a first transmittance and a second transmissive element (112) having a second tran... | 12/28/2010 |
| 7835255 | Identification information recording apparatus and identification information recording method for an optical disk A media ID recording apparatus has an optical pickup 20 for forming an elongated optical spot on a recording surface of an optical disk DK; and a support table 32 for fixedly supporting the optical pickup 20. The optical pickup 20 is fixe... | 11/16/2010 |
| 7835254 | Optical recording condition setting method, optical recording/reproducing device, control program, and recording medium In order to provide an optical recording condition setting method which reduces effects from uneven properties of a rewritable or recordable optical disk and an optical recording/reproducing device, and to provide an optical recording/reproducing device which execut... | 11/16/2010 |
| 7782739 | Method for setting laser power of optical disc device A method for setting laser power of an optical disc device is provided. It is determined whether or not power curve data is present in a memory. If no power curve data is present, laser power self-setting is performed, and detected power curve data is stored in the ... | 08/24/2010 |
| 7773491 | Method and apparatus for high-speed optical disc recording using multi chip module An optical disc recording apparatus records external data on an optical disc by using a semiconductor laser. The optical disc recording apparatus includes a circuit board. The circuit board is mounted with a power supply source and an MCM (multi chip module). The po... | 08/10/2010 |
| 7764588 | Optical disk apparatus and control method thereof An optical disc apparatus having a construction that lowers a peak value of a laser beam applied to an optical disc and controls a current supplied to the laser. Provisions are made to prevent recorded marks on the optical disc from degrading by utilizing the laser ... | 07/27/2010 |
| 7738348 | Flexible power interface control system and method of optical disk drive The present invention provides a flexible power interface control system and a method of the same capable of flexibly changing the LDD setting for complying with different controlling states or different write strategies. The different controlling states or write st... | 06/15/2010 |
| 7710850 | Method and apparatus for reproducing data of super resolution information storage medium A data reproducing method reproducing data recorded in a super resolution information storage medium in a form of marks having magnitudes less than a resolving power of an incident light beam, and an apparatus thereof. The data reproducing method includes irradiatin... | 05/04/2010 |
| 7706238 | Laser power control system and method A laser power control system and related method for reducing a settling time in a target laser power transition are disclosed. The laser power control system includes a state decision circuit, for generating a state decision signal according to a selected operationa... | 04/27/2010 |
| 7697399 | Power control system and related method A method for controlling a specific output power level emitted from a laser diode (LD) in an optical pick-up head unit (OPU) is disclosed. The LD is configured to provide a plurality of output power levels for accessing/recording an optical disc. The method includes... | 04/13/2010 |
| 7693027 | Apparatus and method for controlling recording signals An apparatus and method for controlling a recording signal are provided. The apparatus may include a light generator generating light used to write information to an optical disk, a light amount compensator setting a voltage level of the recording signal as a second... | 04/06/2010 |
| 7668067 | Power control device and method of multi base powers for optical disk drive A power control device of multi base powers is provided for an optical read/write module of an optical disk drive. The optical read/write module generates a power feedback signal and a temperature signal. The power control device includes a base power selecting modu... | 02/23/2010 |
| 7656775 | Optical head, and information recording-and-regeneration apparatus An optical head that is restrained from becoming larger, even if it is used for an optical-information recording medium that includes a plurality of information recording layers. In this optical head, a collimating lens is formed by a concave lens disposed on the si... | 02/02/2010 |
| 7652971 | Threshold current modifying device and method A threshold current modifying device is provided for an optical pickup head. The optical pickup head initially generates an output power when an operating current is larger than a threshold current of the optical pickup head, and the threshold current is related to ... | 01/26/2010 |
| 7643396 | Output voltage adjusting method for laser power monitoring To make the output voltage of a laser power monitor circuit (12) equal to a predetermined value at a predetermined laser power, adjustment is performed by changing an external variable resistance for output voltage adjustment. To achieve this, adjustment is p... | 01/05/2010 |
