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7629600 |
Arrangement comprising two elements which can be rotatably displaced in respect of one another
Data is to be exchanged between a rotating element and a further element, with the rotating element being rotated by way of a hollow shaft. Light is coupled into torus halves and is reflected into...
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7622698 |
Detection head
A reflective sensor is disclosed which prevents divergent light from a light source from being totally reflected by an interface between the package and the outside thereof and entering a...
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7619205 |
Image forming apparatus having photo sensors capable of detecting objects of different widths using photocouplers of the same configuration
A photo sensor of the invention includes a photo coupler having a light emitting element and a light receiving element arranged and disposed to be spaced from each other by a specified interval,...
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7598511 |
Energy saving driving circuit and associated method for a solid state relay
An energy saving driving circuit and method is provided for use with a solid state relay (SSR). The circuit and method reduce the overall energy required to drive a solid state relay by maintaining...
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7598510 |
Serial interface connecting circuit for supporting communications between different types of serial interfaces
A serial interface connecting circuit includes a first IC ( 10 ) with a signal transmitting and a signal receiving terminal, a second IC ( 20 ) with a signal transmitting and a signal receiving...
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7589338 |
Semiconductor die packages suitable for optoelectronic applications having clip attach structures for angled mounting of dice
An optocoupler package is disclosed. The package includes a substrate comprising a substrate surface, a first device, and a clip structure attached to the first device. The clip structure and the...
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7582887 |
Optocoupler current transfer ratio temperature compensation method and apparatus
Current transfer ratio temperature variation of an optocoupler is compensated by generation and summing of an optically generated current with a temperature dependent multiple of the optically...
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7576345 |
Semiconductor relay
The semiconductor relay comprises: an insulated type DC/DC power supply 10 having the input terminal and the output terminal insulated from each other; a pulse transformer 20 having the input...
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7564030 |
Method and system for forming temporary images
The presently described embodiments comprise a system that includes a color changing medium, an erasing device using heat or long wavelength infrared light as the erasing source, a writing device...
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7554076 |
Sensor system with modular optical transceivers
An optical sensor system and method includes a plurality of optical transceiver modules arranged across the surface of the optical sensor in a predetermined pattern. A given optical transceiver...
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7548699 |
Channel-length modulation (CLM) compensation method and apparatus
A power supply generates a supply voltage that varies from a first voltage level to a second voltage level. A first current source is coupled to the power supply and generates a current that varies...
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7528399 |
Controlling apparatus for gate driving signal
A controlling apparatus for gate driving signal controls a gate of a power unit through a photo coupler includes a processor, a gate-controlling IC electrically connected to the processor and...
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7518098 |
Optoelectronic dust sensor device
The invention is based on a sensor device having at least one transmitter unit situated inside a sensor body, a receiver unit associated with the transmitter unit and situated inside the sensor...
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7498552 |
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...
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7488964 |
Photo coupler and method for producing the same
In structures of the typical conventional photo couplers, an unwanted rotation or a dislocation during the manufacturing thereof is occurred during the manufacture of the couplers. The photo...
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7476891 |
Fault detection method and apparatus
This invention relates to fault detection in electrical circuits. The invention provides an input module for electrically isolating an input signal received via a field sensor to be transmitted to...
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7476890 |
Optical coupling device with a detecting element in the driver that provides uniform intensity of an optical signal
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...
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7468895 |
Method and system for providing a bias voltage for a power input sub-circuit of a switched mode power supply
A switched mode power supply (SMPS) is disclosed. The switched mode power supply (SMPS) includes a controller sub-circuit that generates an output signal that drives a switch. The controller...
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7459711 |
Surface mount type photo interrupter and method for manufacturing the same
A light emitting element and a light receiving element are mounted on the upper surface of an insulating substrate to be laterally aligned. A cap including a first hollow portion accommodating the...
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7453079 |
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...
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7449707 |
Optical coupling device and electronic apparatus using same that transmits a signal with two light emitting elements and one or two light receiving elements
An input side is configured with a pulse generating circuit, a delay circuit, a driving circuit, and two light emitting elements connected to the driving circuit, and an output side is configured...
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7449706 |
Photocoupler with compensation circuit
A photocoupler having a first and second light-emitting diodes, a compensation circuit, which compensates input signals to the first light-emitting diode and generates input signals to the second...
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7449668 |
Optically powered drive circuit and method for controlling a semiconductor switch
An optically powered drive circuit and a method for controlling a first semiconductor switch are provided. The optically powered drive circuit includes a photovoltaic cell configured to receive a...
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7439532 |
Solid state relay, electronic device, and method for manufacturing solid state relays having a first control terminal, a first output terminal and a second output terminal as lead terminals
A light-receiving element for receiving a signal light from a light-emitting element and a load-controlling power element are mounted on an output-side lead frame of a solid state relay. A first...
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7435985 |
Zero-crossing point detection circuit
A zero-crossing point detection circuit includes a hot line input, a neutral line input, a first zero-crossing point output, and a first optical coupler. The first optical coupler includes a first...
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7359640 |
Optical coupling device and method for bidirectional data communication over a common signal line
Optical coupling device operates over a bidirectional data link between at least first and second communicators, each communicating data along a common wire of the data link. The device includes at...
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7326947 |
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...
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7326946 |
Optical module having a reflector element and method of manufacturing the same
An optical module includes a light-emitting element, a light-receiving element, and a reflector. The light-emitting element and the light-receiving element are mounted in the optical module, and...
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7319232 |
Apparatus and method for high-bandwidth opto-coupler interface
An opto-coupler interface is provided. The opto-coupler interface includes a current mirror and a resistor. The opto-coupler interface is arranged such that a relatively fixed voltage is provided...
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7307285 |
Optical semiconductor device and a method for manufacturing the same
An optical semiconductor device includes a first set of lead frames having a first set of element mounting beds, a second set of lead frames having a second set of element mounting beds, which are...
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7307266 |
Method and apparatus for an optically clocked optoelectronic track and hold device
A method and apparatus for optically clocked optoelectronic track and hold (“OCOETH”) device. The OCOETH device includes a diode bridge, input node, at least two current sources and at least...
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7279694 |
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...
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7274028 |
Characterizing fluorescent and/or phosphorescent materials
A method spectrally and temporally characterizing the fluorescence and/or phosphorescence of a material includes using a frequency-domain cross-correlation fluorometer-phosphorimeter employing an...
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7256410 |
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...
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7256409 |
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...
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7235804 |
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...
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7235803 |
Semiconductor relay device
A system is described that adjusts the impedance of a circuit. One aspect of the present invention may have: a light-emitting element; a photo detector being configured to receive an optical signal...
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7230259 |
Optical coupling device including lead frame having a convexity and method of manufacturing the device
An optical semiconductor device comprises a lead frame having, on a main surface thereof, a light-emitting element mount portion, and a light-receiving element mount portion formed to be convex....
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7211816 |
Method for in-situ continuity check on an optical bus
A method of continuity checking an optical connection. An first optical source transmits an optical signal. A first optical receiver is checked for the optical signal. A second optical source...
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7196313 |
Surface mount multi-channel optocoupler
An optocoupler package is disclosed. The optocoupler package includes a substrate comprising a leadframe and a molding compound, and a plurality of optocouplers, each optocoupler including (i) an...
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7176473 |
Shielding leadframe for semiconductors for optical coupling and electronic apparatus including same
An optical semiconductor element includes a light-emitting element, a light-receiving element that is placed opposite to the light-emitting element, and two lead frames on which the light-emitting...
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7141814 |
Input circuit
An input circuit has a first current-limiting resistor, a second current-limiting resistor, and an AC-input photocoupler. The photocoupler has an input terminal connected to a first external...
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7095267 |
MOSFET drive circuit, programmable power supply and semiconductor test apparatus
In a programmable power supply used in a semiconductor test apparatus, high-speed switching of a large current in a current rage or an output relay is enabled. In a MOSFET drive circuit 22 of a...
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7078718 |
Steering device using optical signal transmission
The invention relates to a steering device, especially for vehicles, comprising a rotatable steering wheel and a base that cannot be rotated relative to the steering wheel, and means for...
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7068874 |
Microfluidic sorting device
Small particles, for example 5 μm diameter microspheres or cells, within, and moving with, a fluid, normally water, that is flowing within microfluidic channels within a radiation-transparent...
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7030362 |
Optoelectronic device for meter optical detector module
An optoelectronic device for use in an optical detector module of a meter comprising a rotary member having a reflective sector comprises a voltage edge source, a sender comprising a light-emitting...
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7023005 |
Gain compensation for optocoupler feedback circuit
A feedback circuit has an optical coupler with a feedback gain control. The feedback gain control includes an active element connected to vary current flow depending on changes in gain of the...
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7019318 |
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...
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7009195 |
Photoconductive switch module
The present invention is directed to a photoconductive switch module. The photoconductive switch module comprises a first substrate having light-emitting elements, and a second substrate having...
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7009166 |
Photocoupler, method for producing the same, and electronic device equipped with the photocoupler
A photocoupler comprises a light emitting element and a light detecting element which are both mounted on lead frames. The light emitting element and the light detecting element are enclosed in a...
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