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Radiant Energy > Photocells; Circuits And Apparatus > Signal Isolator Signal IsolatorSignal Isolator patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.08/16/07 - 20070187629 - Optical coupling device An aspect of the present invention provides an optical coupling device which includes a light emitting element, a photodetector element, and a switching circuit having first and second semiconductor elements and electrodes. The photodetector element receives light from the light emitting element. In the switching circuit, the first and second ... 08/02/07 - 20070176129 - Calibratable microwave circuit with illuminable gaas-fet, calibrating device and process An electronic microwave circuit with GaAs field-effect transistors, which are integrated onto a semiconductor substrate, for switching high frequency electrical input signals has at least one light source for illuminating the GaAs field-effect transistors. The intensity of the light source and/or the color of the light source are changeable during ... 06/21/07 - 20070138417 - Optical submarine transmission system A main line cable and a backup line cable are laid in a land portion in different routes. A land terminal station includes a break detecting unit that detects a break of the main line cable, and a path switching unit that switches a transmission path to the backup line ... 05/17/07 - 20070108397 - Current transfer ratio temperature coefficient compensation method and apparatus An optocoupler system includes a buffer, isolation, and a detector. The system includes a current transfer ratio (CTR) with a temperature coefficient. The buffer includes a light source that generates light that passes through the isolation. A detector receives light that passes through the isolation and generates an output signal ... 04/26/07 - 20070090307 - Optical coupling device A photocoupler includes a LED for emitting light in accordance with an input electrical signal, a driver for supplying an electrical signal to the LED, a light receiver placed face to face with the LED and having a photodiode for receiving light emitted by the LED, and a half mirror ... 04/19/07 - 20070085045 - Solid state relay A solid state relay is formed by mounting a light-emitting element on a light-emitting side lead frame, mounting a light-receiving element or a switching element which operates in response to the light-receiving element and signals from the light-receiving element on a light-receiving side lead frame, arranging these lead frames on ... 03/15/07 - 20070057206 - Optical output system with auto optical power control for optical mouse The invention relates to an optical output system with auto optical power control for an optical mouse. The optical output system comprises: a light emitting device, a driver and an auto power controller. The light emitting device is used for generating emitting light. The driver is used for driving the ... 01/25/07 - 20070018123 - Surface mount type photo-interrupter and method for manufacturing the same A surface mount type photo-interrupter includes an insulating base, a light emitting element and a light receiving element provided on the insulating base, a first terminal electrode for the light emitting element, a second terminal electrode for the light receiving element, a first primary mold which is transparent and covers ... 12/28/06 - 20060289812 - Optoelectronic semiconductor component with high light-emitting efficiency An optoelectronic semiconductor component includes a housing including a light exit opening, a first semiconductor chip installed inside the housing for emitting light, and a second semiconductor chip located at a position inside the housing. A distance between the second semiconductor chip and the light exit opening is greater than ... 12/21/06 - 20060284124 - Method for manufacturing optocoupler A multichannel monolithic chip that has a number of photo-couplers provided on a single silicon substrate is mounted on an insulating substrate, a first cut groove is formed by dicing between a light-emitting element and a light-receiving element that constitute a photo-coupler, a transparent insulating resin is filled into the ... 11/23/06 - 20060261292 - Light emitting device package and method for manufacturing the same The present invention relates to a light emitting device package and a method for manufacturing the same. The present invention has advantages in that a light emitting device is electrically connected to other devices without use of wire bonding, thereby saving a space for wire bonding and reducing the size ... 09/14/06 - 20060202135 - Contactless connector The contactless connector comprises a rotation-side light element on a rotating body that rotates about an axis of rotation and a fixed side light element on a fixed body that is fixed, and the rotating body further comprises a reflective body that rotates about the axis of rotation. The two ... 08/24/06 - 20060186359 - Electronic apparatus According to one embodiment, an electronic apparatus includes a housing having a surface, a first capacitance switch positioned in a first region of the surface, a first light-emitting element configure to emit light when the first capacitance switch operated, and a first light-transmitting portion positioned in a second region of ... 07/20/06 - 20060157657 - Led array circuit Provided is an LED array circuit that has reduced power consumption and can protect an LED from a reverse voltage. The LED array circuit includes an LED pair, and an AC power source for supplying an AC voltage to the LED pair. The LED pair includes a first LED and ... 06/29/06 - 20060138365 - Optical sensor circuit combining functions of open and close type optical sensor circuits An optical sensor circuit comprises an optical sensor adapted to sense a position of a component in a semiconductor manufacturing apparatus according to the presence or absence of a flag and output a signal indicative of the position. A position sensing driver receives the signal via a path selected by ... 01/19/06 - 20060011871 - Isolator The isolator includes a photodiode (first photodiode), a first and a second amplifier, and a carrier discharging circuit. The photodiode is an input element that converts an optical signal input from an LED (signal source) into an electrical signal, and outputs the electrical signal to the first amplifier. The first ... 09/08/05 - 20050194552 - Solid state relay A solid state relay is formed by mounting a light-emitting element on a light-emitting side lead frame, mounting a light-receiving element or a switching element which operates in response to the light-receiving element and signals from the light-receiving element on a light-receiving side lead frame, arranging these lead frames on ... 06/30/05 - 20050139791 - Dual current-source digital-input circuit for an industrial automation system An interface circuit for use between an input circuit and an industrial automation system is disclosed. The industrial automation system includes an opto-coupler capable of being operably connected to the interface circuit. The interface circuit includes a first and second terminal, each terminal capable of being operably connected to the ... ### FreshPatents.com Support |