TERMIUM Plus®

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CODED TONE [3 records]

Record 1 2008-05-23

English

Subject field(s)
  • Telecommunications Transmission
DEF

A specific tone frequency applied to a transmitter outside the audio range [that is] used by tone coded squelch systems for receive squelch control.

French

Domaine(s)
  • Transmission (Télécommunications)
DEF

Fréquence de tonalité spécifique attribuée à un transmetteur au-delà de la gamme audio, ce dernier étant employé par les systèmes anti-brouillage (squelch) à tonalités codées afin de réaliser le réglage silencieux des récepteurs.

Spanish

Campo(s) temático(s)
  • Transmisión (Telecomunicaciones)
Save record 1

Record 2 1990-09-19

English

Subject field(s)
  • Audiovisual Techniques and Equipment
  • Telephone Facilities
DEF

An audio amplifier connected to a telephone line through an audio-tone sensitive relay which is activated by telephoning the bugged premises and sounding the coded tone. The called telephone does not ring and it is held open so that the caller can hear the conversations taking place in the vicinity of the microphone attached to the amplifier.

OBS

Taken from "Methods of Electronics Audio Surveillance."

French

Domaine(s)
  • Audiovisuel (techniques et équipement)
  • Installations (Téléphonie)
OBS

(...) dévissez (...) le micro (...) du combiné et substituez à la partie mobile un émetteur miniaturisé (...) Composez ensuite le numéro d'appel, jouez une note déterminée sur votre harmonica, le mécanisme est enclenché. Vous pourrez entendre, fût-ce à des milliers de kilomètres, tout ce qui se dit à portée du téléphone, même raccroché.

Spanish

Save record 2

Record 3 1980-04-14

English

Subject field(s)
  • Air Transport

French

Domaine(s)
  • Transport aérien
OBS

terme d'usage obligatoire au Bureau des Traductions.

Spanish

Save record 3

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