Alarm clock which operates in conjunction with a gradually fading-in lamp
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 2, 2013
Grant Date -
Dec 29, 2011
app pub date -
Mar 8, 2010
filing date -
Mar 11, 2009
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An alarm clock includes a power supply unit; a key input setting unit (110); the lamp (140); a microcomputer (120) configured to be provided with a timer having a clock function; the time display unit (170); the alarm module (160) configured to be selectively turned on and off in response to the alarm control signal output by the microcomputer (120); a lamp power supply control unit (130) configured to be selectively switched on and off in response to the lamp drive control signal output by the microcomputer (120); and a lamp current adjustment unit (160) configured to perform control so that an amount of current flowing through the lamp (140) gradually increases based on the pulse width signal output by the microcomputer (120). The lamp gradually fades in and an alarm is issued after the lamp has been completely lit up.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully