Obviousness

As a technical patent analyst, I must first note a critical limitation for performing an obviousness analysis under 35 U.S.C. § 103: the provided patent text for US12401720 does not include any explicitly labeled "Claims" section with numbered claims. A robust obviousness analysis requires a claim-by-claim comparison against prior art. Without claims, this analysis will necessarily focus on the general inventive concepts described in the patent's "Definitions" and overview sections, treating these as representative of the patent's general scope.

The patent US12401720, titled "System and method for server based control," generally describes an apparatus and method for control in a building or vehicle using a server that implements gateway or control functionalities. It details various network technologies, field units (sensors, actuators), and control system architectures, often stating these components or concepts are "known in the art."

The Person Having Ordinary Skill in the Art (POSA) for this patent would likely possess expertise in computer networking, distributed systems, embedded control systems, and potentially domain-specific knowledge in areas like home automation or vehicular electronics. This POSA would be familiar with standard communication protocols, client-server architectures, cloud computing concepts, and basic control loop implementations.

Obviousness Combinations and Motivations

Based on the general concepts presented as being within the scope of the patent and described in its "Definitions" section, the following combinations of prior art elements would likely render the general concept of "server based control" obvious to a POSA:

1. Remote Server-Based Control of Building Automation via Standard Wireless Networks

• Prior Art Elements:

  • Client-server model / Internet architecture / Server functionality: The patent explicitly states, "the Internet architecture employs a client-server model," and defines a "server" as a device connected to the Internet providing services to "clients." It also defines "SaaS" (Software as a Service) and "Cloud computing" as known technology infrastructure for delivering IT services over the internet.
  • Gateways/Routers: The patent describes "a gateway 11" as "known in the art and is sometimes referred to as Residential Gateway (RG) or Home Gateway," serving to "connect devices in the home (commonly via a home network) to the Internet or other WAN."
  • Standardized Wireless Personal Area Networks (WPANs): The patent defines "ZigBee" as a "specification for a suite of high level communication protocols using small, low-power digital radios based on an IEEE 802 standard for personal area networks" for applications like "wireless light switches, electrical meters with in-home-displays." It also defines "Z-Wave" as a "wireless communications protocol... designed for home automation, specifically for remote control applications in residential and light commercial environments." Both are described as mesh networking technologies.
  • Wireless Local Area Networks (WLANs): The patent states that "a popular approach to home networking is communication via radio frequency (RF) distribution system that transports RF signals throughout a building to and from data devices," citing IEEE 802.11b, 802.11a, and 802.11g.
  • Sensor and Actuator Units: The patent extensively defines "sensor units" and "actuator units" as devices that detect phenomena and affect physical phenomena, respectively, and are capable of communication over a network.

• Motivation for Combination:
  A POSA in 2012 (the priority date of the patent) would have been motivated to combine these elements to enable centralized, remote monitoring and control of devices within a building. The widespread adoption of the Internet and the growing popularity of home automation and "smart home" concepts would drive a desire for users to interact with their home systems from anywhere.
  It would be obvious to leverage existing, standardized local wireless technologies like ZigBee, Z-Wave, or WLAN for in-building communication due to their low cost, ease of deployment, and established interoperability. Connecting these local networks to the Internet via a standard residential gateway, and using a server (potentially cloud-based via SaaS principles) to host the control logic and user interface, would be a logical and predictable design choice for remote access and management. This combination offers the predictable advantages of scalability, accessibility, and centralized data processing.

2. Server-Based Control for In-Vehicle Systems with External Connectivity

• Prior Art Elements:

  • Client-server model / Internet connectivity / Control server: As above, the general concept of using an Internet-connected server for control is disclosed.
  • In-vehicle networks: The patent explicitly defines "in-vehicle networks" as being "based on standard or vehicle specific buses, such as CAN or LIN." It also mentions "On-Board Diagnostics (OBD) system" (OBD-II or EOBD standards) and coupling a router or devices to the "OBD diagnostics connector."
  • Vehicle-specific sensors and actuators: The patent describes "sensors" that "may sense a phenomenon in the vehicle or external to the vehicle" and "actuators" that "may affect the vehicle speed, direction, or route, or may be affecting the in-vehicle systems or environment." It lists numerous vehicle parameters that a router might communicate to a control server (e.g., fuel level, speed, engine temperature, VIN).
  • Routers in Vehicles: The patent describes "a router in the vehicle, connected to the one or more in-vehicle networks and to the external network, and may be operative to pass digital data between the in-vehicle and one or more external networks." It also mentions vehicle-to-vehicle (V2V) networks or roadside units (RSU) for external communication.

• Motivation for Combination:
  The increasing complexity and connectivity of vehicles, coupled with the demand for improved safety, traffic management, and driver assistance systems (as explicitly mentioned in the patent), would motivate a POSA to extend server-based control to the automotive domain. Integrating the well-established in-vehicle communication buses (CAN, LIN) with a router for Internet connectivity would be an obvious step to enable remote diagnostics, monitoring, and even control. Connecting to a remote server allows for centralized data collection, complex computational analysis (e.g., for traffic management or predictive maintenance), and over-the-air updates or remote commands. The use of V2V or RSU communication for external connectivity is also a logical extension for broader traffic and safety applications.

3. Image and Voice Processing as Inputs for Server-Based Control Systems

• Prior Art Elements:

  • Control system (server-based): The core system for commanding actuator operations according to control logic in response to sensor input, with an Internet-connected control server, is described generally.
  • Image sensors and processing: The patent defines "one of the sensors is an image sensor, for capturing an image (still or video)." It further mentions "image processing" which "may be face detection, face recognition, gesture recognition, compression or de-compression, or motion sensing" and that "the image processing functionality may be in the field unit, in the router (or gateway), in the control server, in a computer in the building (or vehicle), or any combination thereof."
  • Voice sensors and processing: Similarly, it describes "one of the sensors may be a microphone for capturing a human voice," and "voice processing functionality" that "may include compression or de-compression, and may be in the field unit, in the router (or gateway), in the control server, in a computer in the building (or vehicle), or any combination thereof."
  • Actuators: The control server produces commands for actuators.

• Motivation for Combination:
  With the advances in digital image and voice processing technologies, a POSA would be motivated to incorporate these sophisticated input modalities into server-based control systems to create more intuitive and feature-rich human-machine interfaces (HMI) or to enable autonomous reactions to environmental cues. For example, using an image sensor for "motion sensing" or "gesture recognition" to control building lights or vehicle functions, or using a microphone for "voice processing" to respond to verbal commands, would be a natural evolution of control systems. Distributing the processing load (e.g., performing initial processing in a field unit and more complex analysis on the server) is a well-known engineering trade-off for balancing latency and computational resources.

Conclusion on Obviousness (General Concepts)

Without specific claims, a definitive determination of obviousness is not possible. However, the general concepts described in US12401720, pertaining to server-based control for devices in buildings or vehicles leveraging the Internet and various local/in-vehicle network technologies, appear to be combinations of elements that were "known in the art" or obvious to combine by a POSA at the time of the patent's priority date (2012-01-09). The motivations for such combinations are rooted in common engineering principles aimed at achieving remote control, enhanced automation, improved user interaction, and leveraging ubiquitous network infrastructure for diverse applications.