Title:
調光蛍光灯とその回路
Document Type and Number:
Japanese Patent JP4541380
Kind Code:
B2
Abstract:
A light control circuit for use in light control fluorescent lamps comprises a filter and rectifier circuit (1), a frequency control and resonant circuit (2) and an ambient brightness signal sampling and control circuit (4); wherein the ambient brightness signal sampling and control circuit (4) advantageously adopts an integrated circuit (U1) to control or adjust light sensitivity of the light control circuit in an accurate manner and to control the on/off of the light control circuit in an intelligent way such that the output of the light control circuit is not susceptible to a sudden change of the ambient brightness.
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Inventors:
On Far Who
Application Number:
JP2007112453A
Publication Date:
September 08, 2010
Filing Date:
April 23, 2007
Export Citation:
Assignee:
Mass Technology (Hong Kong) Limited
International Classes:
H05B37/02; H05B41/24
Domestic Patent References:
| JP5712694U | ||||
| JP63271896A |
Attorney, Agent or Firm:
Wintech Patent Business Corporation