Bell box
Encyclopedia
A bell box is an electronic audible
device
, when activated, makes a chime
, bell
, or buzzer
sound.
, metal
, and/or plastic
. The basic core component of a conventional bell box is an electromagnet
and a bell or piece of metal that will make a vibrating sound. The bell sound is normally created inside the box, although sometimes there will be one or more bells mounted on the outside of the box. The bell box may also include visual alerts such as blinking lights or strobe lights.
uses a bell box to signal the occupant of a home or business.
A bell box for the early versions of the telephone is commonly known as a ringer box
.
Other types of bell boxes include alarm clock
s, burglar alarm
s, and smoke alarms.
Audible
Audible may refer to:* Sound that is capable of being heard* Audible, a tactic used by quarterbacks in American football to change a play at the line of scrimmage* Audible.com, an online audiobook store-See also:*Audio...
device
Machine
A machine manages power to accomplish a task, examples include, a mechanical system, a computing system, an electronic system, and a molecular machine. In common usage, the meaning is that of a device having parts that perform or assist in performing any type of work...
, when activated, makes a chime
Tubular bell
Tubular bells are musical instruments in the percussion family. Each bell is a metal tube, 30–38 mm in diameter, tuned by altering its length. Its standard range is from C4-F5, though many professional instruments reach G5 . Tubular bells are often replaced by studio chimes, which are a smaller...
, bell
Bell (instrument)
A bell is a simple sound-making device. The bell is a percussion instrument and an idiophone. Its form is usually a hollow, cup-shaped object, which resonates upon being struck...
, or buzzer
Buzzer
A buzzer or beeper is an audio signaling device, which may be mechanical, electromechanical, or piezoelectric. Typical uses of buzzers and beepers include alarm devices, timers and confirmation of user input such as a mouse click or keystroke....
sound.
Components
The housing for the bell box can be made of woodWood
Wood is a hard, fibrous tissue found in many trees. It has been used for hundreds of thousands of years for both fuel and as a construction material. It is an organic material, a natural composite of cellulose fibers embedded in a matrix of lignin which resists compression...
, metal
Metal
A metal , is an element, compound, or alloy that is a good conductor of both electricity and heat. Metals are usually malleable and shiny, that is they reflect most of incident light...
, and/or plastic
Plastic
A plastic material is any of a wide range of synthetic or semi-synthetic organic solids used in the manufacture of industrial products. Plastics are typically polymers of high molecular mass, and may contain other substances to improve performance and/or reduce production costs...
. The basic core component of a conventional bell box is an electromagnet
Electromagnet
An electromagnet is a type of magnet in which the magnetic field is produced by the flow of electric current. The magnetic field disappears when the current is turned off...
and a bell or piece of metal that will make a vibrating sound. The bell sound is normally created inside the box, although sometimes there will be one or more bells mounted on the outside of the box. The bell box may also include visual alerts such as blinking lights or strobe lights.
Types of bell boxes
An electronic doorbellDoorbell
A doorbell is a signaling device typically placed near a door. Most doorbells emit a ringing sound to alert the occupant of the building to a visitor's presence, when the visitor presses a button. Many modern doorbells are electric — they are actuated by an electric switch...
uses a bell box to signal the occupant of a home or business.
A bell box for the early versions of the telephone is commonly known as a ringer box
Ringer box
The ringer box is an external phone ringer housed in a bell box or subscriber set, and was used with most early desk stand type phones including the candlestick telephones, and the Western Electric model 102 and 202 telephones, which were too small to hold a ringer or other needed electrical parts...
.
Other types of bell boxes include alarm clock
Alarm clock
An alarm clock is a clock that is designed to make a loud sound at a specific time. The primary use of these clocks is to awaken people from their night's sleep or short naps; they are sometimes used for other reminders as well. To stop the sound, a button or handle on the clock is pressed; but...
s, burglar alarm
Burglar alarm
Burglar , alarms are systems designed to detect unauthorized entry into a building or area. They consist of an array of sensors, a control panel and alerting system, and interconnections...
s, and smoke alarms.