# US 2025/0156907 A1 · Methods and apparatus to expand panelist enrollment > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2025/0156907 A1 - Document ID: US20250156907A1 - Status: Published application - Kind: A1 - Application number: 19/023,274 - Filed: 2025-01-15 - Published: 2025-05-15 - Earliest claimed: 2016-12-22 - Assignees: The Nielsen Company (US), LLC - Applicants: The Nielsen Company (US), LLC - Inventors: Achilleas Papakostas; Susan Cimino - Web page: https://patentgrep.com/patent/US20250156907A1 ## CPC - G06Q 30/0269: {based on user profile or attribute} - G06Q 30/0201: Market modelling; Market analysis; Collecting market data - H04L 63/0876: {based on the identity of the terminal or configuration, e.g. MAC address, hardware or software configuration or device fingerprint} - H04L 67/535: {Tracking the activity of the user (network monitoring arrangements H04L43/00; recording of computer activity G06F11/34)} - H04N 21/258: Client or end-user data management, e.g. managing client capabilities, user preferences or demographics, processing of multiple end-users preferences to derive collaborative data {(arrangements for services using the result on the distributing side of broadcast systems H04H60/66; profiles in network data switching protocols H04L67/30)} - H04N 21/44213: {Monitoring of end-user related data (arrangements for monitoring the users' behaviour or opinions in broadcast systems H04H60/33)} - H04N 21/44227: {Monitoring of local network, e.g. connection or bandwidth variations; Detecting new devices in the local network (configuring of peripheral devices in general G06F9/4411; monitoring connectivity in data switched networks H04L43/0811)} - H04W 84/12: WLAN [Wireless Local Area Networks] - G06Q: INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) - H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract Methods, apparatus, systems and articles of manufacture to expand panelist enrollment are disclosed. An example first media device includes processor circuitry to at least one of instantiate or execute the machine readable instructions to scan at least one local area network to which the first media device is connected, store an identification of a second media device connected to the at least one local area network, in response to scan of the at least one local area network indicating that the second media device is commonly connected to the at least one local area network with the first media device, add the identification of the second media device to a fingerprint, and transmit the fingerprint to a central facility. ## Claims ### Claim 1 An audience measurement device comprising: at least one processor; memory having stored therein computer readable instructions that, when executed by the at least one processor, cause the audience measurement device to perform operations comprising: generating a first network signature indicative of one or more first network devices sharing a first local area network with the audience measurement device; while connected to the first local area network, generating first media monitoring data indicative of first media presented during a first period; generating a second network signature indicative of one or more second network devices sharing a second local area network with the audience measurement device, wherein the one or more second network devices are different from the one or more first network devices; while connected to the second local area network, generating second media monitoring data indicative of second media presented during a second period; and based on generating the first media monitoring data while connected to the first local area network and generating the second media monitoring data while connected to the second local area network, reporting the first network signature in association with the first media monitoring data and the second network signature in association with the second media monitoring data. ### Claim 2 (depends on 1) The audience measurement device of claim 1, wherein the operations further include generating the first network signature by scanning the first local area network to obtain identifying information corresponding to the one or more first network devices sharing the first local area network. ### Claim 3 (depends on 2) The audience measurement device of claim 2, wherein the identifying information includes hardware identifiers corresponding to respective ones of the one or more first network devices. ### Claim 4 (depends on 1) The audience measurement device of claim 1, wherein the operations further include generating the first network signature by: identifying network addresses in use on the first local area network; transmitting, to a given one of the identified network addresses, a message to prompt a response from any device using the given one of the identified network addresses; responsive to transmitting the message to prompt a response, receiving a response from at least one of the one or more first network devices; based on receiving the response from the at least one of the one or more first network devices, interrogating the at least one of the one or more first network devices to obtain identifying information for the at least one of the one or more first network devices; and including the obtained identifying information for the at least one of the one or more first network devices in the first network signature. ### Claim 5 (depends on 1) The audience measurement device of claim 1, wherein the audience measurement device is a media presentation device that presents the first media and the second media. ### Claim 6 (depends on 1) The audience measurement device of claim 1, wherein the first network signature is associated with a first location and the second network signature is associated with a second location different from the first location. ### Claim 7 (depends on 6) The audience measurement device of claim 6, wherein the operations further include: generating, during a third period different from the first period, a third network signature indicative of the one or more first network devices sharing the first local area network with the audience measurement device during the third period; and determining, based on the third network signature and the first network signature, that the audience measurement device is at the first location. ### Claim 8 A method comprising: generating a first network signature indicative of one or more first network devices sharing a first local area network with an audience measurement device; while connected to the first local area network, generating first media monitoring data indicative of first media presented during a first period; generating a second network signature indicative of one or more second network devices sharing a second local area network with the audience measurement device, wherein the one or more second network devices are different from the one or more first network devices; while connected to the second local area network, generating second media monitoring data indicative of second media presented during a second period; and based on generating the first media monitoring data while connected to the first local area network and generating the second media monitoring data while connected to the second local area network, reporting the first network signature in association with the first media monitoring data and the second network signature in association with the second media monitoring data. ### Claim 9 (depends on 8) The method of claim 8, further including generating the first network signature by scanning the first local area network to obtain identifying information corresponding to the one or more first network devices sharing the first local area network. ### Claim 10 (depends on 9) The method of claim 9, wherein the identifying information includes hardware identifiers corresponding to respective ones of the one or more first network devices. ### Claim 11 (depends on 8) The method of claim 8, further including generating the first network signature by: identifying network addresses in use on the first local area network; transmitting, to a given one of the identified network addresses, a message to prompt a response from any device using the given one of the identified network addresses; responsive to transmitting the message to prompt a response, receiving a response from at least one of the one or more first network devices; based on receiving the response from the at least one of the one or more first network devices, interrogating the at least one of the one or more first network devices to obtain identifying information for the at least one of the one or more first network devices; and including the obtained identifying information for the at least one of the one or more first network devices in the first network signature. ### Claim 12 (depends on 8) The method of claim 8, wherein the audience measurement device is a media presentation device that presents the first media and the second media. ### Claim 13 (depends on 8) The method of claim 8, wherein the first network signature is associated with a first location and the second network signature is associated with a second location different from the first location. ### Claim 14 (depends on 13) The method of claim 13, further including: generating, during a third period different from the first period, a third network signature indicative of the one or more first network devices sharing the first local area network with the audience measurement device during the third period; and determining, based on the third network signature and the first network signature, that the audience measurement device is at the first location. ### Claim 15 A non-transitory computer readable medium having stored therein instructions that, when executed by at least one processor, cause performance of operations comprising: generating a first network signature indicative of one or more first network devices sharing a first local area network with an audience measurement device; while connected to the first local area network, generating first media monitoring data indicative of first media presented during a first period; generating a second network signature indicative of one or more second network devices sharing a second local area network with the audience measurement device, wherein the one or more second network devices are different from the one or more first network devices; while connected to the second local area network, generating second media monitoring data indicative of second media presented during a second period; and based on generating the first media monitoring data while connected to the first local area network and generating the second media monitoring data while connected to the second local area network, reporting the first network signature in association with the first media monitoring data and the second network signature in association with the second media monitoring data. ### Claim 16 (depends on 15) The non-transitory computer readable medium of claim 15, wherein the operations further include generating the first network signature by scanning the first local area network to obtain identifying information corresponding to the one or more first network devices sharing the first local area network. ### Claim 17 (depends on 16) The non-transitory computer readable medium of claim 16, wherein the identifying information includes hardware identifiers corresponding to respective ones of the one or more first network devices. ### Claim 18 (depends on 15) The non-transitory computer readable medium of claim 15, wherein the first network signature is associated with a first location and the second network signature is associated with a second location different from the first location. ### Claim 19 (depends on 18) The non-transitory computer readable medium of claim 18, wherein the operations further include: generating, during a third period different from the first period, a third network signature indicative of the one or more first network devices sharing the first local area network with the audience measurement device during the third period; and determining, based on the third network signature and the first network signature, that the audience measurement device is at the first location. ### Claim 20 (depends on 18) The non-transitory computer readable medium of claim 18, wherein at least one of the first location or the second location is a private home location and at least one of the first location or the second location is a public location.