| Patent Number |
Title Of Patent |
Date Issued |
| 7555218 |
Optical transceiver having optical receiver with function to cancel noise originated to optical |
June 30, 2009 |
| An optical transceiver is disclosed, in which a noise attributed to the large current switching in the optical transmitter and superposed on the signal line in the optical receiver is effectively eliminated. The optical transceiver includes a noise generator and a delay circuit. The |
| 7483638 |
Optical transceiver |
January 27, 2009 |
| The present invention provides an optical transceiver that enables to reduce the crosstalk from the optical transmitter to the optical receiver. The regenerator of the optical transceiver includes two main amplifiers, a selector, a selector control, and a re-shaper for shaping the re |
| 7415053 |
Optical transmitter with a least pair of semiconductor laser diodes |
August 19, 2008 |
| The present invention is to provide an optical transmitter with reduced power consumption. The optical transmitter includes two laser diodes connected in series to each other, one of which is connected in the anode thereof to the first driver, while the other of which is connected in the |
| 7366428 |
Optical receiver |
April 29, 2008 |
| An optical receiver includes a light-receiving part and a control part. The light-receiving part includes an APD, a PIN-PD, and a branching optical device. First signal light is incident on the light-receiving part and is divided into second signal light and third signal light which |
| 7326905 |
Photodetector and optical receiver |
February 5, 2008 |
| An optical receiver is provided with an optical-signal-receiving section and a controlling section. The optical-signal-receiving section incorporates a photodetector. The photodetector has an APD. Through a passivation film, a photoconductor is placed on a portion of a surface of the |
| 7315698 |
Optical module and an optical receiver using the same |
January 1, 2008 |
| The present invention provides an optical receiver that uses an avalanche photodiode (APD) whose multiplication factor m is controlled to compensate the temperature dependence thereof. An optical module of the present invention includes a light-receiving device in addition to the APD |
| 7302193 |
Optical receiver |
November 27, 2007 |
| An optical receiver includes a PIN photodiode (PIN-PD) having an incident surface for receiving signal light, the PIN-PD transmitting a part of the signal light to the surface opposite to the incident surface, and an avalanche photodiode (APD) having an incident surface for receiving lig |
| 7103284 |
Light-emitting module |
September 5, 2006 |
| A light-emitting module according to the present invention contains a Peltier element driver, and a signal processor for controlling the Peltier element driver. The Peltier element driver is mounted on a first substrate, which directly attaches to the inner bottom surface of the hous |
| 7067854 |
Optical receiver |
June 27, 2006 |
| An optical receiver includes an avalanche photodiode (APD) having a light-receiving area provided on a face of a first substrate, the light-receiving area receiving a part of signal light; a photodetector having a light-receiving area provided on a face of a second substrate, the lig |
| 4102962 |
Process for manufacturing concrete articles of improved initial strength and long-term strength |
July 25, 1978 |
| A process for manufacturing concrete articles of improved initial strength and long-term strength from a hydraulic cement composition capable of forming predominantly tobermorite group crystalline calcium silicate hydrate is provided. The hydraulic cement composition, having incorporated |
