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39 results about "Telephone plug" patented technology

A telephone plug is a type of connector used to connect a telephone set to the telephone wiring inside a building, establishing a connection to a telephone network. It is inserted into its counterpart, a telephone jack, commonly affixed to a wall or baseboard. The standard for telephone plugs varies from country to country, though the RJ11 modular connector has become by far the most common.

Telephone sound-recording system and implementing method thereof

The invention relates to a phone-call recording system, comprising a phone interface module which receives external phone calls through a standard universal telephone plug in a high-resistance parallel mode, a digital phone-call recording module which is connected with the phone interface module and is used to conduct recording treatment to the received digital calls and to send the processed call signals to a DSP processing module; an analog call recording module which is connected with the phone interface module and is used to conduct recording treatment to the received analog calls and to send the processed call signals to the DSP module, and a DSP processing module which is used to resolve the received digital call signals and the received analog call signals and to send the resolution result to an upper software to be saved. The phone-call recording system can automatically identify the models of digital call recording and analog call recording and can start up different recording modules to record as for different call recording models, and the recording models are free from interference.
Owner:SHENZHEN DONJIN COMM TECH

Line extender for high speed modem data transfer

A first aspect provides an echo canceller suitable for such as modem-modem communication systems, such as in a Telephone Line Extender system, either with a wireless or wire-borne communication. The echo canceller comprising adaptive filter means for receiving a first signal and for providing a filter output signal at least partly in response to the first signal, delay means in a signal path of a second signal in order to provide a delay output signal, and summation means for adding the filter output signal and the delay output signal in order to prepare the second signal for digital transmission. Another aspect of the invention provides a Telephone Line Extender system comprising a portable part (PP), or extension unit, for connection to a modem, and a fixed part (FP), or base unit, for connection to an analog telephone plug, these PP and FP parts comprising means for exchange of data, such as wireless means, these exchange of data means comprising an echo canceller as described above. The TLE system comprises modem cheating means adapted to manipulate signals in a negotiation with the modem, preferably A and B signals in phase 2 of e.g. a V.34 negotiation. In still another aspect provides a settop box comprising a TLE system as described.
Owner:RTX TELECOM

Telephone plug system

A telephone plug system includes a jack body having one end adapted to be inserted into standard wall telephone jacks, having at least one receiving socket at another end adapted to receive a conventional plug which is attached to a telephone line operated device. One plug is selected as host plug and at least one as slave plug, whereby the host plug controls a slave plug regarding receiving calls such as speech, facsimile, data etc.
Owner:SKABBOREN

Telephone adapter

A telephone adapter (10, 20) for use with a telephone plug (21) having at least one male member (25) and a telephone socket (23), the plug and socket, so that a telephone plug (21) can be mounted in a telephone socket (23) with the adapter (10, 20) therebetween, the at least one male member (25) of the telephone plug (21) passing through the at least one hole (3) of the adapter into the telephone socket to support the telephone adapter and to connect the telephone plug (27) or socket (5) of the second standard to the socket of the first standard via the interconnections, the contacts and the male member of the plug.
Owner:理查德德鲁尼克
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