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Help  |  |  | Be sure to check out our
Special
Purchases and Ugly Box Discount areas before you leave! Alarm ClocksWe've got so many clocks in the alarm clock category, we've split them up to make them easier to look through. We have Atomic Alarm Clocks, Projection Alarm Clocks, Travel Alarm Clocks, and even some reproduction retro alarm clocks. For more information on the difference between the alarm clock technologies, please see below. Please click on
the item title for complete description and availability information.
|
 | Atomic Alarm Clock Looking for a reasonably priced atomic alarm clock? We have a wide selection of atomic alarm clock's. Some of these radio-controlled alarm clocks are functionally basic, while others have a long list of features. |  | Clock radio Need a clock radio? How about an atomic clock radio that sets itself? Or a projection clock radio that projects the time on the ceiling? |  |  | Travel Alarm Clock Going on vacation or a business trip and looking for a portable travel clock to take with you? Travel alarm clocks are alarm clocks that are particularly designed to take with when you travel because they are compact in size, and battery operated. |  | Projection Alarm Clock Trying to find a projection clock that suits your needs? In this section you can find a projection alarm clock that has all the great features you've been looking for in a bed-side alarm clock. Projection alarm clocks actually project the time on the ceiling over the bed, or onto a wall. |  |  | Loud Alarm Clock Loud Alarm Clocks! For those heavy sleepers, or those of us whose ears aren't what they used to be. Check out these great alarm clocks that have a higher volume output than most other alarm clocks. The twin bell analog clocks are by far the loudest and the digital clocks are somewhat louder than most alarm clocks and have a volume output of up to 90 decibels. |  | Retro Alarm Clock Perhaps you have been searching for a reproduction retro clock like the one you grew up with. This section is filled with reproductions of some of the most well known and remembered vintage clocks. |  |  | Quartz Alarm Clock Quartz crystal controlled alarm clocks are inexpensive and reasonably accurate. |  | Auto Setting Alarm Clock Auto-setting alarm clocks are as accurate as quartz crystal controlled alarm clocks. plus they know when Daylight Savings Time begins and ends. |  |
| Here are
the alarm clock categories, and definitions of the technologies used:
Alarm Clock: Of course, an
alarm clock is a clock that you typically use to get you up in the
morning. But there are many other considerations, please see below.
Travel Alarm Clock: Travel alarm clocks
are alarm clocks that are particularly designed to take with when you
travel. They are generally designed to be small and light, and
generally, but not always run on batteries. The
smallest generally use watch batteries for power. This makes the
clock smaller and lighter, but the batteries can be a little tougher to
find, especially on the road. A few also have low power flashlights
built in, which comes in handy for finding your way around in the middle
of the night in a strange room.
Projection Alarm Clock: Projection alarm clocks actually project the time on the ceiling over the
bed, or onto a wall. Typically, the ones that come with a plug-in
power supply can project continuously, the less expensive ones that do not
only project when you push a button. The strong point of these clocks, at
least the continuous projectors, is that when the room is dark, you
can just look up and see the time. You don't need to find the clock
and possibly push a button to illuminate the display. Some clock models
can also project either indoor or outdoor temperature.
Quartz alarm clock: Quartz alarm
clocks,
like any quartz clock, has it's accuracy controlled by a quartz
crystal. A precisely trimmed quartz crystal is used to generate an
electrical timing signal that regulates the speed of the clock.
Quartz clocks may gain or lose around one second per day, and the drift
rate may depend somewhat upon temperature.
Auto setting alarm clock: Auto-setting alarm
clocks are a relatively new technology. They are available under a
number of names, depending on the manufacturer. Auto-setting clocks
are built with a quartz crystal to regulate speed, and a built in
integrated circuit that knows the approximate time, and the date.
Although they can gain or lose time like any quartz clock, they have one
advantage. They know about, and will automatically adjust for
daylight savings time.
Atomic clock, or Radio Controlled clock:
The United States Government National Institute of Standards and
Technology maintains a radio station, WWVB, in Ft. Collins,
Colorado. This radio station transmits highly accurate time
information. Atomic, or Radio Controlled clocks receive this signal
when they can, and set themselves. These will maintain time accurate
to a fraction of a second as long as they are placed in a location where
they can receive the signal. Like any radio receiver however, they
may not be able to receive the signal if they are in a building with a lot
of steel in the structure, near computers or cordless phones that may
generate interference, or if the weather is unsuitable. Please note.
The signal they receive does not propagate well during the
day. That's the nature of the signal, not the clock. These
clocks are designed to catch the signal when they can, generally in the
middle of the night, calibrate themselves, and then run quite accurately
for days until they can catch another signal. When
you first put in the batteries, they will most likely not set themselves
until the middle of the night. The analog clocks generally tick for
a few seconds, advance to 4:00, and wait. The digitals display
various things while they wait. That's normal. By morning,
weather permitting, it
should be correct.
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