Sample Output
Here’s what a completed claim chart analysis looks like — granular limitation scoring, verbatim evidence, and source citations in one view.
Each square represents a claim limitation. Green = Match, Amber = Partial, Gray = None.
Claim 1independent pre a b c d e f g h i j | ||
| Claim Limitation | Evidence | Analysis |
|---|---|---|
1[pre]Match A first zone player comprising: | “Google Nest Audio is a smart speaker featuring a Quad-core Arm Cortex-A53 processor clocked at 1.8 GHz with a high-performance ML hardware engine. The device includes 802.11b/g/n/ac (2.4 GHz/5 GHz) Wi-Fi, Bluetooth 5.0, and Chromecast built-in, running on the Cast OS platform with firmware stored in internal flash memory.” Google Store, "Nest Audio Technical Specifications" (2024); Google Cast SDK Documentation, "Cast Platform Overview" (2024) Disclosed | The Google Nest Audio is a networked media playback device that satisfies the claimed "first zone player." It is a self-contained hardware unit with processing capability, network connectivity, and persistent software, designed to receive and render audio content over a network -- the core attributes of the claimed zone player apparatus. |
1[a]Match a network interface that is configured to communicatively couple the first zone player to at least one data network; | “Nest Audio connectivity: 802.11b/g/n/ac (2.4 GHz/5 GHz) Wi-Fi. All speakers in a group must be connected to the same Wi-Fi network. Nest Audio also supports Bluetooth 5.0 for direct device pairing.” Google Store, "Nest Audio Technical Specifications" (2024); Google Nest Help Center, "Create and manage speaker groups" (2024) Disclosed | The "802.11b/g/n/ac (2.4 GHz/5 GHz) Wi-Fi" radio directly maps to "a network interface." The Wi-Fi interface communicatively couples the Nest Audio to the user's home Wi-Fi network, satisfying "configured to communicatively couple the first zone player to at least one data network." The requirement that "all speakers in a group must be connected to the same Wi-Fi network" confirms the network interface is used for inter-device communication. |
1[b]Match one or more processors; | “Processor: Quad-core Arm Cortex-A53, 1.8 GHz. High-Performance ML hardware engine.” Google Store, "Nest Audio Technical Specifications" (2024) Disclosed | The "Quad-core Arm Cortex-A53, 1.8 GHz" processor directly satisfies "one or more processors." The specification identifies a four-core processor, which is more than the minimum "one or more" required by the claim. |
1[c]Match a non-transitory computer-readable medium; | “Google Nest Audio runs on the Cast OS platform, a Linux-based operating system stored in the device's internal flash memory. The firmware persists across power cycles and is updated via over-the-air (OTA) updates delivered through the Google Home infrastructure.” Google Cast SDK Documentation, "Cast Platform Overview" (2024); Google Nest Help Center, "Update your speaker or display software" (2024) Disclosed | The "internal flash memory" storing the Cast OS firmware directly satisfies "a non-transitory computer-readable medium." Flash memory is, by definition, a non-transitory (non-volatile) storage medium that retains data without power. The fact that firmware persists across power cycles and receives OTA updates confirms the presence of writable, persistent storage. |
1[d]Match and program instructions stored on the non-transitory computer-readable medium that, when executed by the one or more processors, cause the first zone player to perform functions comprising: | “Cast OS is the embedded operating system that runs on Google Nest speakers and displays. It provides the software stack for Chromecast built-in functionality, Google Assistant voice processing, speaker group management, and synchronized multi-room audio playback. The firmware is stored in the device's internal flash memory and executed by the onboard processor.” Google Cast SDK Documentation, "Cast Platform Overview" (2024); Google Store, "Nest Audio Technical Specifications" (2024) Disclosed | The Cast OS firmware constitutes "program instructions stored on the non-transitory computer-readable medium." The firmware is stored in flash memory (the non-transitory medium identified in 1[c]) and executed by the Cortex-A53 processor (identified in 1[b]). The Cast OS software stack enables speaker group management and synchronized playback -- the "functions" recited in the subsequent limitations. |
1[e]Match while operating in a standalone mode in which the first zone player is configured to play back media individually in a networked media playback system comprising the first zone player and at least two other zone players: | “When you create a speaker group, it doesn't change the ability the speaker has to play music by itself. For instance, if you created a group called "Family room" and defined your kitchen Nest Hub, living room Chromecast with Google TV, and your Polk speaker as members of the group, you can still play music on each of these individually.” Google Nest Help Center, "Create and manage speaker groups" (2024) Disclosed | The phrase "play music by itself" and "play music on each of these individually" directly maps to "operating in a standalone mode in which the first zone player is configured to play back media individually." The example system comprising a kitchen Nest Hub, living room Chromecast with Google TV, and a Polk speaker -- along with the Nest Audio itself -- satisfies "a networked media playback system comprising the first zone player and at least two other zone players." All devices operate on the same Wi-Fi network, forming the claimed networked media playback system. |
1[f]Match (i) receiving, from a network device over a data network, a first indication that the first zone player has been added to a first zone scene comprising a first predefined grouping of zone players including at least the first zone player and a second zone player that are to be configured for synchronous playback of media when the first zone scene is invoked; | “Open the Google Home app and tap Devices, groups and rooms, then Speaker groups, then Create speaker group. Tap each device you want to add to the group, then tap Next and enter a name for your group. Group any combination of Google Nest speakers, smart displays, and Chromecast devices together for synchronous audio playback throughout the home.” Google Nest Help Center, "Create and manage speaker groups" (2024), Steps 1-4 Disclosed | The Google Home app running on a smartphone or tablet is the "network device." Creating a speaker group through the app sends configuration data over Wi-Fi (the "data network") to each member device, constituting "a first indication that the first zone player has been added to a first zone scene." The named speaker group is the "first zone scene comprising a first predefined grouping of zone players." Adding at least two devices to the group satisfies "including at least the first zone player and a second zone player." The phrase "synchronous audio playback throughout the home" maps directly to "configured for synchronous playback of media when the first zone scene is invoked." |
1[g]Partial and (ii) receiving, from the network device over the data network, a second indication that the first zone player has been added to a second zone scene comprising a second predefined grouping of zone players including at least the first zone player and a third zone player that are to be configured for synchronous playback of media when the second zone scene is invoked, wherein the second zone player is different than the third zone player; | “Google reversed restrictions that limited certain devices to only belong to one speaker group at a time, meaning Google smart home device users can once again add devices to additional speaker groups. Users can create speaker groups with any combination of Google Nest and Home devices, allowing flexibility like grouping all home devices together or organizing smaller groups by room.” How-To Geek, "Google brings back multiple speaker groups for Nest and Chromecast" (2023); Google Nest Help Center, "Create and manage speaker groups" (2024) Suggested | The restoration of multiple speaker group membership confirms that a single Nest Audio can be "added to a second zone scene" -- i.e., a second speaker group created through the same Google Home app interface. The phrase "grouping all home devices together or organizing smaller groups by room" indicates that different groups will have different member compositions (e.g., an "All Speakers" group vs. a "Living Room" group), mapping to "the second zone player is different than the third zone player." Each group is independently configured for synchronous playback when invoked, satisfying "configured for synchronous playback of media when the second zone scene is invoked." |
1[h]Match after receiving the first and second indications, continuing to operate in the standalone mode until a given one of the first and second zone scenes has been selected for invocation; | “You can create pre-set speaker groups you use often, or use the mini-player to add, remove, or move speakers when playing media. When you create a speaker group, it doesn't change the ability the speaker has to play music by itself.” Google Nest Help Center, "Create and manage speaker groups" (2024) Disclosed | The phrase "pre-set speaker groups" confirms that groups exist as saved, predefined configurations (zone scenes) prior to invocation. The statement "it doesn't change the ability the speaker has to play music by itself" directly establishes that after group creation (receiving the first and second indications), the speaker "continu[es] to operate in the standalone mode." The speaker remains in standalone mode until a user explicitly initiates playback on a group, satisfying "until a given one of the first and second zone scenes has been selected for invocation." |
1[i]Match after the given one of the first and second zone scenes has been selected for invocation, receiving, from the network device over the data network, an instruction to operate in accordance with a given one of the first and second zone scenes respectively comprising a given one of the first and second predefined groupings of zone players; | “You can play music on a speaker group using any of these methods: say "Hey Google, play [music] on [speaker group name]" to any Google Nest device; open the Google Home app mini-player, tap Cast, and select your speaker group; or open a compatible music app, tap the Cast button, and select the speaker group you want to cast to.” Google Nest Help Center, "Play media on multiple Google devices" (2024); Google Nest Help Center, "Create and manage speaker groups" (2024) Disclosed | Each activation method constitutes "receiving, from the network device over the data network, an instruction to operate in accordance with a given one of the zone scenes." A voice command processed by Google Assistant, a Cast selection in the Google Home app, or a Cast selection from a third-party music app each sends an instruction from a network device (phone, tablet, or smart speaker) over Wi-Fi to the member speakers of the selected group. The user selects a specific named speaker group from among multiple available groups, satisfying "a given one of the first and second zone scenes." |
1[j]Match and based on the instruction, transitioning from operating in the standalone mode to operating in accordance with the given one of the first and second predefined groupings of zone players such that the first zone player is configured to coordinate with at least one other zone player in the given one of the first and second predefined groupings of zone players over a data network in order to output media in synchrony with output of media by the at least one other zone player in the given one of the first and second predefined groupings of zone players. | “You can transfer your media session at any time to a speaker group you've already created. Tap Cast on the active media card, select the speaker group you'd like to transfer to, and media will begin to play on that group of devices. All speakers in a group must be connected to the same Wi-Fi network. If audio from one speaker is slightly ahead or behind another, you can adjust the Group delay correction slider to bring it into alignment with the other speakers.” Google Nest Help Center, "Play media on multiple Google devices" (2024); Google Nest Help Center, "How to correct group playback delay" (2024) Disclosed | The phrase "transfer your media session... to a speaker group" directly maps to "transitioning from operating in the standalone mode to operating in accordance with the given predefined grouping of zone players." The statement "media will begin to play on that group of devices" confirms the transition takes effect upon the instruction. The requirement that "all speakers in a group must be connected to the same Wi-Fi network" satisfies coordination "over a data network." The Group delay correction feature confirms the speakers actively coordinate timing information over Wi-Fi, satisfying "configured to coordinate with at least one other zone player." The phrase "bring it into alignment with the other speakers" directly maps to "output media in synchrony with output of media by the at least one other zone player." |
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