Patents Assigned to Ritek Corporation
-
Publication number: 20070073496Abstract: A detection functionality of any type sensor is integrated into a flash memory disk. The sensor detects its environment and generates signals constantly. A microcontroller, connected with the sensor, saves all signals into a flash memory. A connection port, connected with the microcontroller, enables the flash memory disk to transfer its data to and from a computer when the connection port is coupled with the computer. A battery supplies power to the flash memory, the sensor and the microcontroller.Type: ApplicationFiled: September 29, 2005Publication date: March 29, 2007Applicant: Ritek CorporationInventors: Yu-Chuan Lin, Chun-Chieh Chen, Chang-Yi Chen
-
Patent number: 7078149Abstract: A method for fabricating an optical recording medium is provided. A dye layer is formed on a molded substrate by spin-coating. A reflection layer is formed on the dye layer by sputtering so that the optical disc has enough reflection rate. The dye layer comprises a cyanine type dye and an azo metal chelate compound selected from the formula (I): wherein M is a metal ion; R1 is a hydrogen atom, a linear or branched alkyl group containing 1 to 6 carbon atoms, amino group, alkyl amino group or toluidinyl group; R2 is a hydrogen atom, a hydroxyl group, a halogen atom, an ether group, an ester group or a linear or branched alkyl group containing 1 to 6 carbon atoms; R3 is a hydrogen atom or a linear or branched alkyl group containing 1 to 6 carbon atoms; R4 is a hydrogen atom, a halogen atom or a linear or branched alkyl group containing 1 to 6 carbon atoms; A1 is a heterocyclic derivative group constituted by carbon atoms and nitrogen atoms.Type: GrantFiled: October 3, 2002Date of Patent: July 18, 2006Assignee: Ritek CorporationInventors: Wen-Dar Liu, Nae-Jen Wang, Wan-Chun Chen, Biing-Hwang Lin, Hui-Jen Chen, Hsin-Te Kuo
-
Patent number: 7067183Abstract: A write once recording medium comprising an inorganic material serving as a recording layer is disclosed. The inorganic material has a formula, A(1?y)My, wherein A is comprised of Si or Sn; M is comprised of Al, Ag, Au, Zn, Ti, Ni, Cu, Co, Ta, Fe, W, Cr, V, Ga, Pb, Mo, In or Te; and y is in the range of 0.02˜0.8.Type: GrantFiled: April 19, 2004Date of Patent: June 27, 2006Assignee: Ritek CorporationInventors: Bing-Mau Chen, Hung-Fa Chen, Li-Chun Chung
-
Patent number: 7057523Abstract: A non-volatile memory device with wireless control function which can be divided into two parts comprising a main part and a remote control part. The main part includes a connection port, a memory system and a remote control signal reception module, while the remote control part including a function-key module, a controller, a remote control signal emission module and a power storage unit. The function-key module produces a set of key signals while being pressed, and the controller produces a control signal corresponding to the set of key signals. The remote control signal emission module emits a remote control signal corresponding to the control signal. The remote control signal reception module produces a host control signal corresponding to the remote control signal, and the host control signal is transferred to the host via the connection port to control operations of the host. The power storage unit stores power which is provided to the remote control part while the remote control part is being used.Type: GrantFiled: July 11, 2003Date of Patent: June 6, 2006Assignee: Ritek CorporationInventors: Yu-Chuan Lin, Chun-Chieh Chen, Hung-Ju Shen, Chien-Hua Wu, Sheng-Lin Chiu, Huan-Tung Wang, Hsin-Chih Hung
-
Patent number: 7042715Abstract: An information product with a rotational mechanism is provided. The information product comprises a product body, an interface connection port, and a rotational mechanism. The product body further comprises an indentation, which is used to accommodate a plug-in peripheral device. The interface connection port is disposed in the indentation of the product body and is electrically connected with the plug-in peripheral device. The rotational mechanism is disposed in the indentation of the product body and is electrically connected with the product body and the interface connection port, respectively. Wherein, the rotational mechanism is used to adjust the relative position between the interface connection port and the product body, such that the plug-in peripheral device electrically connected with the interface connection port can be accommodated in the indentation with the help of the rotational mechanism.Type: GrantFiled: January 30, 2004Date of Patent: May 9, 2006Assignee: Ritek CorporationInventors: Yu-Chuan Lin, Chun-Chieh Chen, Chien-Hua Wu
-
Patent number: 6961302Abstract: A method and structure for intensifying track seeking signals from an optical disk, in particular, a recordable digital versatile disk (DVD-R). With the addition of an optical correction layer between a dye material layer and a reflection layer inside the DVD-R, track-seeking signals of the optical disk are intensified and recording quality of the optical disk is improved. The optical correction layer is a transparent or semi-transparent layer made from inorganic materials. The optical correction layer is formed over the dye material layer in a sputtering process.Type: GrantFiled: November 8, 2002Date of Patent: November 1, 2005Assignee: Ritek CorporationInventors: Shyh-yeu Wang, Biing-Hwang Lin, Chun-Ying Lin
-
Patent number: 6906993Abstract: A hybrid optical disc recording medium has concurrently a hybrid read-only area and a rewritable area on an optical substrate. The substrate of the read-only area has pre-pits, and the substrate of the rewritable area has pre-grooves. The pre-pits and the pre-grooves have the same depth. Thus when making the stampers for producing the hybrid optical disc, the technical problems of difficult to control the yields that incur to conventional techniques of different depths of the pits and the grooves can be effectively resolved. Experiments and test results indicate that the hybrid optical disc recording medium of the invention that have the same depth for the pits and the grooves, and extended grooves, can generate signals to meet the standards of the specifications.Type: GrantFiled: June 14, 2002Date of Patent: June 14, 2005Assignee: Ritek CorporationInventors: Shyh-Yeu Wang, Min-Chung Chiu, Chi-Tsung Hsu
-
Patent number: 6901601Abstract: The optical recording medium protection cassette of the present invention comprises a housing, a clasping member and at least one switch member. A first opening for retaining an optical recording medium is formed on a first lateral side of the housing and a groove is formed on the inside of a second lateral side which is perpendicular to the first lateral side. The clasping member is in engagement with the first opening of the housing to restrict the optical recording medium to be located within the housing. The clasping member is provided with at least a first buckling portion and at least a V-shaped portion having a first side and a second side. Each switch member has a first end as a second buckling portion fastened to the first buckling portion of the clasping member, which makes the switch member rotate relative to the first buckling portion, and a second end which is a positioning portion substantially stops at either the first side or the second side of the V-shaped portion.Type: GrantFiled: January 24, 2000Date of Patent: May 31, 2005Assignee: Ritek CorporationInventors: Chun Han Wu, Huan Chang Lin
-
Patent number: 6896946Abstract: An initiation-free super-resolution optical medium. The optical medium includes, in sequence, a substrate with a first dielectric layer thereon, an active layer on the first dielectric layer to absorb laser beam, a second dielectric layer on the active layer, an initiation-free recording layer on the second dielectric layer, and a third dielectric layer on the initiation-free recording layer.Type: GrantFiled: June 3, 2003Date of Patent: May 24, 2005Assignee: Ritek CorporationInventor: Bing-Mau Chen
-
Patent number: 6838019Abstract: A phosphorescent light emitting material, the material is a complex compound comprises a beta-diketonate ligand, a sulfoxide ligand and a triple charge rare earth group metal ion, the phosphorescent light emitting material has a following structure: wherein M is a triple charge rare earth group metal ion, R2 is hydrogen, R1 and R3 are selected from the group consisting of, hydrogen, C1 to C8 straight chain alkyl groups, C3 to C8 branch chain alkyl groups, heterocyclic groups and C6 to C14 aryl groups, and R4 and R5 are selected from the group consisting of substituted alkyl group, an unsubstituted alkyl group, an aryl group and a heterocyclic group.Type: GrantFiled: August 1, 2002Date of Patent: January 4, 2005Assignee: Ritek CorporationInventors: Chao-Nan Kuo, Mei-Jung Hu, Sung-Kuei Chiang
-
Patent number: 6832941Abstract: A surface treatment process for fabricating a panel of an organic light emitting device is disclosed.Type: GrantFiled: June 16, 2003Date of Patent: December 21, 2004Assignee: Ritek CorporationInventor: Tien-Rong Lu
-
Publication number: 20040181627Abstract: A device and method for recording the block status information of a nonvolatile memory is disclosed. An interface unit is used to host the nonvolatile memory so that a processor connected to the interface unit can detect the block status information of the nonvolatile memory through the interface unit to obtain a valid or invalid block address. Then, the valid or invalid block address is temporarily stored in a memory unit until all of the blocks are detected by means of the processor. Finally, the valid or invalid block address temporarily stored in the memory unit is written into the nonvolatile memory.Type: ApplicationFiled: November 25, 2003Publication date: September 16, 2004Applicant: RiTek CorporationInventors: Yu-Chuan Lin, Chun-Chieh Chen, Sheng-Lin Chiu
-
Patent number: 6790306Abstract: Method for forming a cover layer on a disk. The method includes a coating step, in which an uncured cover layer is coated on the surface of the disk, and the average thickness of the cover layer is enough to support to the requirement of a predetermined laminating thickness, a laminating step, where a transparent capping board of amorphous olefin polymer is laminated on the uncured cover layer whose thickness is maintained at a predetermined thickness to obtain a smooth surface, an illuminating step, where a UV light source is shined onto the cover layer to harden and cure the cover layer, and a stripping step, where the capping board is stripped from the cured cover layer.Type: GrantFiled: October 30, 2002Date of Patent: September 14, 2004Assignee: Ritek CorporationInventor: Tzu-Hau Kuo
-
Publication number: 20040134786Abstract: A V-groove mold fabrication method is disclosed. The method for fabricating a V-groove mold includes the following steps: (a) providing a matrix substrate having a plurality of V-grooves, and then forming a metal layer on said matrix substrate; immersing said matrix substrate having said metal layer thereon with an electroforming metal ion solution and forming a father mold by an electroforming process; and separating said father mold from said matrix substrate.Type: ApplicationFiled: November 10, 2003Publication date: July 15, 2004Applicant: RiTek CorporationInventors: Chung-I Chiang, Ming-Jen Wang, Kun-Hsien Cheng, Chun-Han Wu, Jui-Yi Cheng
-
Publication number: 20040082206Abstract: A sturdy parallelepiped housing includes a base including a plurality of spaces with a gigabit interface converter (GBIC) placed in one of the spaces and a plurality of stoppers are fitted against the GBIC; and a cover including a plurality of risers urging against walls in the base. A plurality of threaded holes is further formed in each of the base and the cover so that the housing can be fastened together by fasteners.Type: ApplicationFiled: July 8, 2003Publication date: April 29, 2004Applicant: RiTek CorporationInventors: Chia-Hsiung Chang, Hong-Jueng King, Huei-Pin Huang, Chwei-Jing Yeh
-
Publication number: 20040055161Abstract: A device for stripping coated optical fiber ribbons, in cooperation with at least an optical fiber ribbon having a protective coating and an optical fiber array substrate having grooves, comprises a heating unit including at least a first trench and a cutting blade for gripping a first portion of the optical fiber ribbon having protective coatings and for heating; a stripping unit having at least a second trench, adjacent to and connected to the first trench, for gripping a second portion of the optical fiber ribbon having the protective coating; a fiber array seat for receiving an optical fiber array substrate; and a linear guiding unit for limitedly guiding the direction of the separation movement between the heating unit and the stripping unit.Type: ApplicationFiled: April 18, 2003Publication date: March 25, 2004Applicant: RiTek CorporationInventors: Chung-I Chiang, Ming-Jen Wang, Kun-Hsien Cheng, Hong-Jueng King, Huei-Pin Huang, Chwei-Jing Yeh
-
Patent number: 6707748Abstract: A back up power embodied non-volatile memory device including a connection port, a power supply unit and a memory system. A host machine provides data and power to the connection port through an external bus. The memory system holds the data received from the connection port temporarily and transfers the data to a non-volatile memory unit inside the memory system. The power supply unit provides necessary power to complete the transfer of temporarily stored data inside the memory system to the non-volatile memory unit to become readable data when host power suddenly fails.Type: GrantFiled: December 31, 2002Date of Patent: March 16, 2004Assignee: Ritek CorporationInventors: Yu-Chuan Lin, Chun-Chieh Chen, Hung-Ju Shen, Chien-Hua Wu, Sheng-Lin Chiu, Huan-Tung Wang, Hsin-Chih Hung
-
Patent number: 6689872Abstract: An optical recording medium dye is described. The optical recording medium dye is an azo metal chelate compound, wherein the azo metal chelate compound comprises the following structure: wherein R1 is a hydrogen atom, a C1-6 straight chain or branched alkyl group, an amino group, an alkylamino group or a tolylamino group; R2 is a hydrogen atom, a hydroxyl group, a halogen atom, an ether group, a C1-6 straight chain or branched alkyl group; R3 is a hydrogen atom, a C1-6 straight chain or branched alkyl group; R4 is a hydrogen atom, a C1-6 straight chain or branched alkyl group or a halogen atom; A3 is a residue forming a heterocyclic ring derivative together with a carbon atom and a nitrogen atom.Type: GrantFiled: September 17, 2002Date of Patent: February 10, 2004Assignee: Ritek CorporationInventors: Nae-Jen Wang, Ching-Huang Chen, Li-Ling Lin, Chao-Nan Kuo, Wen-Dar Liu, Wan-Chun Chen, Shyh-yeu Wang
-
Publication number: 20040001713Abstract: A wavelength division multiplexer is disclosed. A first holding unit and a second holding unit are used to securely attach a first pig-tail unit of a first collimator to a first gradient index lens. Also, a third holding unit and a fourth holding unit are used to securely attach a second pigtail unit of a second collimator to a second gradient index lens. A filter is attached between the first collimator and the second collimator in an adhesive manner. A fifth holding unit sandwiches the second and the fourth holding units to securely attach the first collimator to the second collimator.Type: ApplicationFiled: May 28, 2003Publication date: January 1, 2004Applicant: RiTek CorporationInventors: Alan Ting, Phoeby Lin, Ted Huang
-
Patent number: 6667948Abstract: An optical recording medium and a method for fabricating the same. A read only data region, a writable/readable data region and a content recording region are formed on a transparent substrate. The read only data region is used to store prerecording data which can only be read but is unable to be rewritten. The writable/readable data region is used to read and write data, while the content recording region is used to record initial address information of the recorded data in the read only data region, the writable/readable data region and the content recording region. A recording layer in the writable/readable data region is formed with the derivative of cyanine dye, phthalocyanine dye or azo dye. Or alternatively, the recording layer is made of an alloy containing tellurium, germanium, or antimony, or an alloy containing indium, silver, antimony or tellurium.Type: GrantFiled: December 1, 2000Date of Patent: December 23, 2003Assignee: Ritek CorporationInventors: Yi-Ming Chen, Chiu-Hsiang Lee, Jiun-Sheng Chen