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Supervision (telephony) - Wikipedia
https://en.wikipedia.org/wiki/Supervision_(telephony)
In telecommunication, supervision is the monitoring of a telecommunication circuit for telephony to convey to an operator, user, or a switching system, information about the operational state of the circuit. The typical operational states of trunks and lines are the idle and busy states, seizure, and disconnect. The states are indicated by various electrical signals and electrical conditions ...
Digital AMPS - Wikipedia
https://en.wikipedia.org/wiki/Digital_AMPS
An additional 12 bits in every time slot are for the SACCH (i.e. system control information). The digital verification color code (DVCC) is the equivalent of the supervisory audio tone used in the AMPS system. There are 256 different 8-bit color codes, which are protected by a (12, 8, 3) Hamming code.
US4698769A - Supervisory audio tone detection in a radio ...
https://patents.google.com/patent/US4698769A/en
Supervisory audio tones received from a mobile telephone unit are converted from analog to digital form. The tone is then converted to a complex number by bifurcating the tone path and multiplying one path by a sine function and the other path by a cosine function. The complex numbers are accumulated and the frequencies where significant power exists is found using …
supervisory audio tone - definition - English
https://glosbe.com/en/en/supervisory%20audio%20tone
The supervisory interface controller (40) is also responsive to audio signals which are received over the digital data line (18) for identifying DTMF (touch) tones which are received over the digital data line (18), to energize the relay (70) in the power strip (50) in response to identification of a predetermined DTMF tone sequence, to thereby ...
Supervisory audio tone-signalling tone(SAT-ST) handling ...
https://www.freepatentsonline.com/5797095.html
A supervisory audio tone, hereinafter abbreviated SAT, is a continuous tone used for radio transmission quality supervision. During a call, an analog voice channel unit in a base station generates the SAT and adds it to the transmitted speech for transmission in a down-link (to a mobile station), as shown in FIG. 1.
SAT - Supervisory Audio Tone
https://www.allacronyms.com/SAT/Supervisory_Audio_Tone
Related abbreviations. The list of abbreviations related to SAT - Supervisory Audio Tone
Supervisory audio tone detection using digital signal ...
https://www.freepatentsonline.com/5953660.html
The supervisory audio tone measurement system of claim 7, wherein said predetermined computational resolution is 10 Hz. 9. A base station comprising: means for receiving a SAT; and . a digital signal processor (DSP) for measuring a signal strength of said SAT, wherein said DSP operates on a block of current samples in conjunction with ...
Supervisory Audio Tone - How is Supervisory Audio Tone ...
https://acronyms.thefreedictionary.com/Supervisory+Audio+Tone
The components are separated using these coefficients, and then the supervisory audio tone (SAT) frequency is used to discriminate between multipath components and …
Supervisory device | Article about supervisory device by ...
https://encyclopedia2.thefreedictionary.com/supervisory+device
Therefore, the monitor module was set up as a supervisory device; the alarm is reflected on the residence hall panel, showing the location of the extinguisher that set off the alarm (for example "IM50 NE fire extinguisher"), but the buzzer in the residence hall is silenced. The top level is the Ethernet where supervisory devices and remote ...
Supervisory - definition of supervisory by The Free …
https://www.thefreedictionary.com/supervisory
su·per·vi·sor (so͞o′pər-vī′zər) n. 1. One who supervises. 2. One who is in charge of a particular department or unit, as in a governmental agency or school system. 3. One who is an elected administrative officer in certain US counties and townships. su′per·vi′so·ry (-vī′zə-rē) adj. American Heritage® Dictionary of the English ...
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