In the Star Trek television series, linguacode is a universal language code that is sometimes used by the United Federation of Planets in first contact situations. Unlike forms of cryptography, which are designed to secure communications and make them impossible to decode by anyone other than the intended recipient, Linguacode is freely broadcast without encryption of any kind, and is designed to be easily understandable to any technologically sophisticated intelligence in any form of language. Star Trek collectively refers to six science fiction television series spanning 726 episodes, ten motion pictures, and hundreds of novels, video games, and other works of fiction, all set within the same fictional universe created by Gene Roddenberry in the early- to mid-1960s. ... In the fictional Star Trek universe, the United Federation of Planets is a federation of more than 150 member planets and thousands of colonies, based in the Alpha and Beta Quadrants of the Milky Way galaxy. ... Intelligence is usually said to involve mental capabilities such as the ability to reason, plan, solve problems, think abstractly, comprehend ideas and language, and learn. ...

Linguacode was used in an attempt to contact the V'Ger probe in Star Trek: The Motion Picture. V'Ger, given its origins as an Earth vessel, would have easily understood the message, but ignored it since V'Ger refused to believe that any organic being would possess the intelligence necessary to contact it. Spoiler warning: In Star Trek: The Motion Picture, Vger (Vejur in the novelization, which is canon, considering it was written by Gene Roddenberry) is a fictional sentient life form based upon Voyager 6, a fictional NASA probe. ... Star Trek: The Motion Picture (Paramount Pictures, 1979; see also 1979 in film) is the first feature film based on the popular Star Trek science fiction television series and is released on Friday, December 7. ...

Linguacode was also mentioned as an option to contact the "Tin Man" in the Star Trek: The Next Generation episode of the same name. The title as it appeared in most episodes opening credits. ...

The invention of Linguacode was credited to Hoshi Sato in the Star Trek: Enterprise episode "In a Mirror, Darkly." Hoshi Sato (July 9, 2128-2246) is a character in the fictional Star Trek universe and the communication officer aboard the starship Enterprise (NX-01) in the science fiction television series Star Trek: Enterprise. ... The starship Enterprise (NX-01) Star Trek: Enterprise is a science fiction television series set in the Star Trek universe. ...