# US 2019/0377019 A1 · Detection of cable of a network of cables by a telecommunication equipment item > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2019/0377019 A1 - Document ID: US20190377019A1 - Status: Published application - Kind: A1 - Application number: 16/436,212 - Filed: 2019-06-10 - Published: 2019-12-12 - Earliest claimed: 2018-06-11 - Assignees: Orange - Applicants: Orange - Inventors: Régis Esnault; Pascal Pagani - Web page: https://patentgrep.com/patent/US20190377019A1 ## CPC - G01R 29/085: {for detecting presence or location of electric lines or cables (fault detection G01R31/50; fault location G01R31/08)} - G01R 31/60: Identification of wires in a multicore cable - H01Q 13/203: {Leaky coaxial lines} - H04B 3/46: Monitoring; Testing - H04L 43/50: Testing arrangements - H04M 1/72403: with means for local support of applications that increase the functionality - H04M 2250/12: including a sensor for measuring a physical value, e.g. temperature or motion - H04M 2250/52: including functional features of a camera - G01R: MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES (indicating correct tuning of resonant circuits H03J3/12) - H01Q: ANTENNAS, i.e. RADIO AERIALS (radiators or antennas for microwave heating H05B6/72) - H04B: TRANSMISSION - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) - H04M: TELEPHONIC COMMUNICATION (circuits for controlling other apparatus via a telephone cable and not involving telephone switching apparatus G08) ## Abstract A method and telecommunication equipment item for detecting a cable of a network of cables, in particular of a network of electrical cables, especially ones which are not detectable to the naked eye. For example, a network of electrical cables may be embedded inside the partitions of a building. The telecommunication equipment item has a receiver and a detector of a predefined electrical signal injected into a network of cables as a function of electromagnetic signals received by the receiver. Thus, the receiver is not required to be a specific equipment item dedicated solely to this use but may be implemented in a telecommunication equipment item with which users are widely equipped such as a smartphone, a tablet, etc. ## Claims ### Claim 1 A telecommunication equipment item comprising: a receiver of electromagnetic signals which is able to receive communication signals; and a detector of a predefined electrical signal injected into a network of cables as a function of electromagnetic signals received by the receiver. ### Claim 2 (depends on 1) The telecommunication equipment item as claimed in claim 1, wherein the telecommunication equipment item comprises: a wired transmission interface able to be connected to the network of cables, and a generator of the predefined electrical signal able to be injected into the network of cables by using the wired transmission interface. ### Claim 3 (depends on 1) The telecommunication equipment item as claimed in claim 1, wherein the telecommunication equipment item comprises a controller of emission of the predefined electrical signal which is able to trigger an emission via a wired transmission interface of a communicating object of the predefined electrical signal in the network of cables to which the communicating object is connected by means of the wired transmission interface. ### Claim 4 (depends on 1) The telecommunication equipment item as claimed in claim 1, wherein the predefined electrical signal detector comprises a device configured to measure a level of the received signal in a frequency band associated with the receiver. ### Claim 5 (depends on 1) The telecommunication equipment item as claimed in claim 1, wherein the telecommunication equipment item comprises a generator of a location information item as a function of the predefined electrical signal detected by the detector, the location information item being able to be reproduced by a reproduction device. ### Claim 6 (depends on 5) The telecommunication equipment item as claimed in claim 5, wherein the location information item is configured to to control an indicator of the reproduction device as a function of a electromagnetic field level of the predefined electrical signal detected by the detector. ### Claim 7 (depends on 5) The telecommunication equipment item as claimed in claim 5, wherein the telecommunication equipment item comprises a camera configured to capture a unitary image during implementation of the detector of the predefined electrical signal, the unitary image being provided to the location information item generator. ### Claim 8 (depends on 7) The telecommunication equipment item as claimed in claim 7, wherein the telecommunication equipment item comprises an extended-image generator configured to generate an extended image as a function of unitary images captured by the camera during the implementation of the detector of the predefined electrical signal, the extended image representing a stitching of the unitary images and being provided to the location information item generator. ### Claim 9 (depends on 8) The telecommunication equipment item as claimed in claim 8, wherein the extended-image generator uses data originating from at least one accelerometer of the telecommunication equipment item. ### Claim 10 (depends on 7) The telecommunication equipment item as claimed in claim 7, wherein the telecommunication equipment item comprises an image processing device configured to superimpose on an image an information item as a function of an electromagnetic field level of the predefined electrical signal detected by the detector, the processed image being provided to the reproduction device. ### Claim 11 A communicating object comprising: a wired transmission interface configured to be connected to a network of cables; and a generator of a predefined electrical signal able to be injected into a network of cables by using the wired transmission interface. ### Claim 12 A method of cable network location comprising the following acts implemented by a telecommunication equipment item: receiving electromagnetic signals by an electromagnetic receiver of the telecommunication equipment item, which is configured to receive communication signals following an injection of the electrical signal into a network of cables; and detecting a predefined electrical signal as a function of the received electromagnetic signals. ### Claim 13 A method for signaling a network of cables implemented by a communicating object, the method comprising: generating a predefined electrical signal; and injecting the redefined electrical signal into a network of cables by using a wired transmission interface of the communicating object. ### Claim 14 (depends on 12) The method as claimed in claim 12, wherein the predefined electrical signal is emitted on a predetermined part of a frequency band detectable by the electromagnetic receiver of the telecommunication equipment item. ### Claim 15 A non-transitory computer-readable medium comprising instructions stored thereon, which when executed by a processor of a telecommunication equipment item configure the telecommunication equipment item to perform acts comprising: receiving electromagnetic signals by an electromagnetic receiver of the telecommunication equipment item, which is configured to receive communication signals following an injection of the electrical signal into a network of cables; and detecting a predefined electrical signal as a function of the received electromagnetic signals. ### Claim 16 (depends on 13) The method as claimed in claim 13, wherein the act of injecting comprises emitting the predefined electrical signal on a predetermined part of a frequency band detectable by an electromagnetic receiver of a telecommunication equipment item.