| Patent application number | Description | Published |
|---|
| 20090185803 | OPTICAL MULTIPLEXER/DEMULTIPLEXER - An optical multiplexer/demultiplexer comprises one light guide main line which guides lights of a plurality of wavelengths, and two or more microring optical resonators directly optically coupled to the one light guide main line. The two or more microring optical resonators are arranged in any two of layers higher than, level with, and lower than a plane where the one light guide main line is disposed, and/or the two or more microring optical resonators are arranged on both sides of the one light guide main line in a light guide direction. | 07-23-2009 |
| 20090310978 | COMPLEMENTARY OPTICAL WIRING SYSTEM - A complementary optical wiring system has a transmitting circuit configured to combine a delayed signal obtained by delaying a digital electric input signal by a time shorter than a minimum pulse width of the digital electric input signal with the digital electric input signal to generate a first electric pulse signal synchronized with a rising edge of the digital electric input signal and a second electric pulse signal synchronized with a falling edge of the digital electric input signal, a first light-emitting element configured to convert the first electric pulse signal to a first optical signal, a second light-emitting element configured to convert the second electric pulse signal to a second optical signal, a first optical transmission path configured to transmit the first optical signal, a second optical transmission path configured to transmit the second optical signal, a first light-receiving element configured to convert the first optical signal transmitted through the first optical transmission path to a third electric pulse signal, a second light-receiving element configured to convert the second optical signal transmitted through the second optical transmission path to a fourth electric pulse signal and a receiving circuit configured to generate a digital electric output signal corresponding to the digital electric input signal in synchronization with the third and fourth electric pulse signals. | 12-17-2009 |
| 20100021180 | COMPLEMENTARY OPTICAL WIRING APPARATUS - A complementary optical wiring apparatus includes an optical transmitter, first and second optical transmission lines, and an optical receiver, the optical transmitter has a first operation mode of transmitting an optical signal synchronized with the rising of one electrical input signal via the first optical transmission line and transmitting an optical signal synchronized with the falling thereof via the second optical transmission line, and a second operation mode of transmitting an optical signal synchronized with the rising and falling of one of two electrical input signals via the first optical transmission line and transmitting an optical signal synchronized with the rising and falling of the other electrical input signal via the second optical transmission line, and is operated after one of the two operation modes is selected. | 01-28-2010 |
| 20100142976 | TRANSMITTING CIRCUIT AND COMPLEMENTARY OPTICAL WIRING SYSTEM - A transmitting circuit has a first transmitter configured to generate a first electric pulse signal in synchronization with a rising edge of a digital electric input signal, a second transmitter configured to generate a second electric pulse signal in synchronization with a falling edge of the digital electric input signal, a first variable impedance circuit configured to supply a bias current to a first light-emitting element only for a predetermined period before the first light-emitting element for converting the first electric pulse signal into a first light signal is supplied with the first electric pulse signal, and a second variable impedance circuit configured to supply a bias current to a second light-emitting element only for a predetermined period before the second light-emitting element for converting the second electric pulse signal into a second light signal is supplied with the second electric pulse signal. | 06-10-2010 |
| 20110026887 | MOUNTING STRUCTURE - In a mounting structure formed by mounting an optoelectronic interconnection module on a mounting board, an optical semiconductor device, electrical wires and electrical connection terminals are provided on the main surface of an optoelectronic interconnection board having flexibility on the optoelectronic interconnection module and an optical interconnection path is provided at the optoelectronic interconnection board. Electrical wires and electrical connection terminals are provided on the main surface of the mounting board. A conductive connection member is disposed between the electrical connection terminals on the optoelectronic interconnection module side and the electrical connection terminals on the mounting board side. A heat release member that releases heat of the optical semiconductor device to the mounting board side is disposed between the optical semiconductor device and the mounting board. | 02-03-2011 |
| 20110064369 | FLEXIBLE WIRING BOARD, MANUFACTURING METHOD THEREOF AND FLEXIBLE WIRING DEVICE - A flexible wiring board including a pair of end regions provided in portions of a flexible wiring board on which a plurality of wires are arranged in parallel in one direction and disposed separately in a wiring lengthwise direction, a wiring region configured in another portion of the wiring board and sandwiched between the end regions, a plurality of flexible wiring fins which is divided by at least one slit that connects the end regions in the wiring region, and a flexible wiring bundle by bundling at least part of the plurality of flexible wiring fins. | 03-17-2011 |
| 20110081118 | OPTOELECTRONIC INTERCONNECTION MODULE - An optoelectronic interconnection module capable of performing optical signal transmission and electrical signal transmission, including a flexible optoelectronic interconnection board including an optical interconnection path, electrical wires and electrical connection terminals used for electrically connecting the electrical wires to an exterior at an end portion thereof, an optical semiconductor device mounted on a portion near one-end of the flexible optoelectronic interconnection board, and a bend portion provided in a lengthwise direction of the flexible optoelectronic interconnection board in parallel to a mounting region of the optical semiconductor device. | 04-07-2011 |
| 20110097034 | MOUNTING STRUCTURE - A mounting structure includes an optoelectronic interconnection module that includes electrical interconnection lines, optical interconnection lines, optical semiconductor device and electrical connection terminals, a mounting board that includes electrical interconnection lines and electrical connection terminals on a main surface and on which the optoelectronic interconnection module is mounted, and a connection member that electrically connects, adheres and fixes the electrical connection terminals and the electrical connection terminals. The optoelectronic interconnection module comprises a circuit area on which the optical semiconductor device is mounted and electrical connection terminals are formed and an interconnection area that is formed in a region other than the circuit area and in which the optical interconnection lines and electrical interconnection lines are formed, and the electrical connection terminals are formed on the interconnection area side rather than the optical semiconductor device. | 04-28-2011 |
