answersLogoWhite

0

TVs, VCR and DVD are normally controlled through LED bulbs emitting infra red light. The different actions are encoded into different patterns of blinking. Some remotes have more than one LED, allowing for more complex signals.

User Avatar

Wiki User

15y ago

What else can I help you with?

Related Questions

What do people use everyday that have infrared rays in them?

Infrared rays are used in television remote controls


For which product the java was used first?

remote controls


What waves are used in remote controls?

Remote controls use both infrared and radio frequency technologies. Your typical TV remote uses infrared and your typical car remote uses RF.


Where can infrared rays be found?

Infrared rays are found naturally in sunlight and can also be generated by objects that emit heat, such as fires and human bodies. Additionally, infrared rays are used in various technologies, including night-vision goggles, remote controls, and infrared saunas.


What is infared rays?

Infrared rays are a type of electromagnetic radiation that have longer wavelengths than visible light but shorter wavelengths than microwaves. They are often associated with heat and are used in various applications such as remote controls, thermal imaging, and communication systems.


What are dry cells used for?

battery's for lighting, remote controls etc.


How infrared wave is used?

Remote controls Heating Covert lighting


What are the parts of the electromagnetic spectrum and their uses?

The electromagnetic spectrum consists of radio waves, microwaves, infrared radiation, visible light, ultraviolet radiation, X-rays, and gamma rays. These waves are used in various applications such as communication (radio waves), cooking (microwaves), remote controls (infrared), imaging (X-rays), and sterilization (gamma rays).


What are the characteristics of infrared rays?

Infrared rays are a form of electromagnetic radiation that have longer wavelengths than visible light. They are invisible to the human eye but can be felt as heat. Infrared rays are commonly used in applications such as thermal imaging, remote controls, and infrared saunas.


What are the different types of remote controls used for operating garage door openers?

There are two main types of remote controls used for operating garage door openers: handheld remote controls and wall-mounted keypads. Handheld remote controls are small devices that can be carried around and used to open and close the garage door from a distance. Wall-mounted keypads are typically installed near the garage door and allow users to enter a code to open and close the door.


What offline retailers possibly sell universal TV remote controls?

The offline retailers that possibly sell universal TV remote controls are the Argos, Currys and Walmart. Universal TV remote controls are used to control TV and other satelite related audio and video devices.


What are the uses of ultraviolet rays and infrared light?

Ultraviolet rays are used in sterilization processes, disinfecting surfaces and water, and in medical treatments such as UV therapy for skin conditions. Infrared light is used in heating applications, remote controls, night vision devices, and in some medical therapies like infrared saunas for relaxation and detoxification.