Title:
デュオバイナリーエンコーダ及びこれを利用した光デュオバイナリー伝送装置
Document Type and Number:
Japanese Patent JP4181532
Kind Code:
B2
Abstract:
A duo-binary encoder performs a parallel processing and an optical duo-binary transmission apparatus using the encoder to enhance transmission capability. The duo-binary encoder has a judgment unit for judging whether an odd number or even number of '0's exists in data input signals of N channels, a toggle unit for toggling an output signal of the judgment unit when a number of '0's is even, an intermediate signal generation unit for determining whether phases of other channels are shifted or not, according to an data input signal on the basis of a predetermined channel of the N channels. A phase division unit divides data into a first data group having non-shifted phases and a second group of data that require a phase shift, according to an output signal of the intermediate signal generation unit and the data input signal. The divided first and second data groups are then output.
Inventors:
Jin Jin
Lee Han Lin
Yellow star swamp
Lee Han Lin
Yellow star swamp
Application Number:
JP2004258363A
Publication Date:
November 19, 2008
Filing Date:
September 06, 2004
Export Citation:
Assignee:
SAMSUNG ELECTRONICS CO.,LTD.
International Classes:
H03M5/14; H04L25/497; H04B10/516; H04B10/54; H04B10/548; H04B10/556; H04B10/588; H04B10/61
Domestic Patent References:
| JP2002281095A | ||||
| JP2000224244A | ||||
| JP11122205A |
Attorney, Agent or Firm:
Masayuki Kishida
Mizuno Katsufumi
Ogawa Hidenori
Kawakami adult
Mizuno Katsufumi
Ogawa Hidenori
Kawakami adult