Back to results
US 2006/0187983 A1Published application
Light emitting element driving circuit, and optical transmission apparatus and optical transmission system using the same
AssigneeFuji Xerox Co., Ltd.
InventorsTomo Baba, Shinya Kyozuka, Hisayoshi Mori, Kazuhiro Suzuki, Shinobu Ozeki, Takehiro Niitsu, Hidenori Yamada, Masao Funada
Life of this patent
Estimating the term…
Abstract
A light emitting element driving circuit includes: plural AC-coupling capacitors which are connected together in series; and a bias generating circuit which generates a bias current, wherein a light emitting element is driven by superposing a modulating current to the bias current via the plural AC-coupling capacitors.
Claims8
A light emitting element driving circuit comprising:
- plural AC-coupling capacitors which are connected together in series;
- and
- a bias generating circuit which generates a bias current, wherein
- a light emitting element is driven by superposing a modulating current to the bias current via the plural AC-coupling capacitors.
1 more element
An optical transmission apparatus comprising:
- a light emitting element driving circuit including plural AC-coupling capacitors which are connected together in series;
- and
- a light emitting element for emitting aoptical signal, wherein:
- the light emitting element driving circuit drives the light emitting element by superposing a modulating current to a bias current via the plural AC-coupling capacitors;
- and
- the optical signal emitted from the light emitting element which is driven by the light emitting element driving circuit transmits information.
3 more elements
An optical transmission system comprising:
- a light source for emitting a laser beam,;
- an optical system for focusing the laser beam emitted from the light source;
- a light receiving section for receiving the laser beam outputted from the optical system;
- and
- a controller for controlling a driving of the light source, having
- a light emitting element driving circuit including plural AC-coupling capacitors which are connected together in series, wherein:
- the light emitting element driving circuit drives the light emitting element by superposing a modulating current to a bias current via the plural AC-coupling capacitors;
- and
- the laser beam emitted from the light emitting element which is driven by the light emitting element driving circuit transmits information.
6 more elements
Dependencies are inferred from the claim text.