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A tin can phone is a type of acoustic (non-electrical) speech-transmitting device made up of two tin cans, paper cups or similarly shaped items attached to either end of a taut string or wire. It is a particular case of mechanical telephony , where sound (i.e., vibrations in the air) is converted into vibrations along a liquid or solid medium .
The acoustic tin can telephone, or "lovers' phone", has been known for centuries. [1] It connects two diaphragms with a taut string or wire, which transmits sound by mechanical vibrations from one to the other along the wire (and not by a modulated electric current). The classic example is the children's toy made by connecting the bottoms of ...
A speaking tube in use on a United States Navy Landing Craft Utility (2005). A speaking tube or voicepipe is a device based on two cones connected by an air pipe through which speech can be transmitted over an extended distance.
Beige boxes can be usually constructed with easily available materials, such as a simple "POTS" telephone, a soldering iron, and a pair of alligator clips.Sometimes a switch is added in order to turn the microphone off (mute), so as not to introduce ambient noise into the line through the telephone's microphone.
2. A clam crams cream in a cramped can. 3. A quiet ostrich quacks quietly. 4. Big brother beats beef. 5. Cell phones sell phones. 6. Fairy godmother flies galoshes. 7. Gnarly nuts and bolts know ...
Welcome to our Panda Hall of Fame – a carefully curated collection of 100 products that keep climbing to the top of our "most purchased" lists faster than we can restock them.
Telephony (/ t ə ˈ l ɛ f ə n i / tə-LEF-ə-nee) is the field of technology involving the development, application, and deployment of telecommunications services for the purpose of electronic transmission of voice, fax, or data, between distant parties.
The Chatter Telephone is a pull toy for toddlers 12 to 36 months of age. [1] Introduced in 1961 by the Fisher-Price company as the "Talk Back Phone" for infants and children, which was updated to the name Chatter Telephone in 1962, is a roll along pull toy. It has a smiling face, and when the toy is pulled, it makes a chattering sound and the ...