Obviousness

Obviousness Analysis for U.S. Patent No. 10,523,350 under 35 U.S.C. § 103

This analysis examines whether the claims of U.S. Patent No. 10,523,350 (the '350 patent) would have been obvious to a person having ordinary skill in the art (PHOSITA) at the time of its priority date, November 3, 1981. The analysis considers combinations of the cited prior art references and the motivations a PHOSITA would have had to combine them.

Independent Claims 49 and 112: Basic Control by Embedded Instruction

• Claim 49: A method for processing a television signal at a subscriber's location, where an instruction embedded in the non-viewable portion of a television signal causes the equipment, pre-programmed with operating instructions, to select and operate according to a specific instruction.
• Claim 112: A method for controlling a television receiver, where the receiver, tuned to a channel, receives a television signal with an embedded instruction and automatically performs a specific operation in response.

Combination and Rationale:
These claims appear to be rendered obvious by U.S. Patent No. 4,025,851 to Haselwood et al. (Haselwood) alone. Haselwood discloses a system for automatically monitoring television programs by embedding an identification code in the vertical blanking interval (VBI), a non-viewable portion, of a television signal. A monitoring unit at the receiver detects this code and records viewing data.

A PHOSITA would recognize that Haselwood's "identification code" functions as an "instruction" embedded in a non-viewable portion of the signal. The monitoring unit is "pre-programmed with a set of operating instructions" to detect and react to this code (e.g., to log viewing activity). Therefore, the system "selects a specific operating instruction from said set" (the instruction to record viewing data) and "operates according to that selected instruction" (Claim 49). Similarly, Haselwood describes a receiver automatically performing an operation (recording which channel is being watched) in response to the embedded code (Claim 112). The primary distinction in the '350 patent's claims, if any, would be the nature of the instruction and the type of operation, but the fundamental mechanism of an embedded, non-viewable instruction triggering an automatic, pre-programmed operation at the receiver is explicitly taught by Haselwood.

Independent Claim 63: Controlling an External Device

• Claim 63: A method for controlling a subscriber's equipment where a television signal with an embedded instruction is received, and in response, a control signal is generated to operate an external device separate from the television receiver.

Combination and Rationale:
This claim appears obvious by combining Haselwood with general knowledge of controlling external devices.

A PHOSITA in 1981, familiar with Haselwood's system for triggering receiver-side operations via embedded signals, would have been motivated to apply this proven mechanism to control other devices. Given the common practice of connecting various external devices (e.g., VCRs, stereo systems) to television receivers, it would have been an obvious extension to use the embedded instruction, rather than manual input, to automate the control of such devices. For example, if an embedded signal could instruct a monitoring unit to log viewing (Haselwood), a PHOSITA would foreseeably adapt this to instruct a VCR to start recording, or a stereo system to change volume, in synchronization with broadcast content. The patent itself notes a deficiency in prior art VCRs for lacking capacity for "controlling the connection or actuation or tuning of external apparatus" based on embedded signals, implicitly suggesting this was a desirable and logical next step for automation.

Independent Claims 1, 26, 80, 95, 102, and 120: Personalized Content Generation and Overlay

• Claim 1: Method for generating and transmitting a signal including programming content and an instruction, wherein a second signal containing station-specific information is generated at a receiving station, and the instruction causes the combination of station-specific information with the programming content.
• Claim 26: Method for creating a television signal with personalized information, involving a standard television signal with video programming and an embedded instruction, causing subscriber equipment to generate a video graphic with subscriber-specific information and overlay it onto the video programming for display.
• Claim 80: Method for creating a personalized television program, where a television signal with programming content and an instruction is received, separate subscriber-specific information is also received, and the instruction creates a "hybrid" signal by combining the programming content with the subscriber-specific information.
• Claim 95: Method for creating a combined media presentation, involving receiving a television program, simultaneously operating a computer program at the subscriber's location, where an instruction in the television program causes the computer to generate a video message, and combining this message with the television program.
• Claim 102: Method for displaying personalized information, where a television signal with video programming and an instruction is received, a second signal with subscriber-specific information is generated, and the instruction combines the subscriber-specific information with the video programming for display.
• Claim 120: Method for creating a personalized display, where a broadcast signal with programming and an instruction is received, stored subscriber-specific information is processed according to the instruction, and the result is combined with the broadcast programming.

Combination and Rationale:
These claims, which represent the core personalization aspect of the '350 patent, would likely have been obvious by combining Haselwood, U.S. Patent No. 4,337,480 to Bourassin et al. (Bourassin), and general knowledge of microcomputers and graphics display technologies around 1981.

1. Haselwood provides the trigger: Haselwood clearly teaches embedding machine-readable instructions in the VBI of a broadcast television signal to trigger an automatic operation at the receiver. A PHOSITA would readily understand that this mechanism could be used to initiate actions beyond simple monitoring.
2. Bourassin provides the overlay mechanism: Bourassin discloses an interconnection system for television peripheral units that enables features like "image-within-image," where a secondary image from a peripheral unit can be superimposed upon a primary image on a television display. This demonstrates the technical feasibility of combining and overlaying different video sources at a subscriber's location.
3. General knowledge of microcomputers and data processing (circa 1981): By 1981, personal computers (microcomputers) were available, capable of storing local data (e.g., on floppy disks, as described in the '350 patent for a stock portfolio), running programs, and generating graphics. The '350 patent itself refers to "graphic overlay techniques, well known in the art," indicating that the concept of overlaying computer-generated graphics onto video signals was understood.

Motivation for Combination:
A PHOSITA, aiming to enhance the utility and interactivity of broadcast television for individual subscribers, would have been highly motivated to combine these known elements. Seeing Haselwood's ability to automate responses to embedded broadcast signals, and Bourassin's demonstration of video overlay capabilities, the motivation would be to move beyond simple monitoring or manual selection to offer dynamic, personalized content.

Specifically, a PHOSITA would consider using Haselwood's embedded instruction mechanism to automatically:

• Trigger a local computer program: Instead of just logging an event, the instruction could "command microcomputer, 205, (and all other subscriber station microcomputers simultaneously) to interrupt the operation of its central processor unit..." and then "load... and run the information of a particular set of instructions" received from the broadcast.
• Process locally-stored, user-specific data: The local computer could then access and process data unique to that subscriber (e.g., a stock portfolio stored on a disk, as described in the '350 patent), generating a personalized graphic or message.
• Overlay the personalized output onto the live broadcast: Leveraging techniques similar to Bourassin's image superposition, or other known graphics overlay hardware and software (as the '350 patent refers to "graphic overlay techniques, well known in the art"), the computer-generated, user-specific graphic could be overlaid onto the incoming television programming. The "GRAPHICS ON" command described in the '350 patent as being executed by the microcomputer to perform this overlay illustrates this precise integration.

The overall motivation would be to create a more engaging and valuable television experience by intelligently integrating local, personalized information with mass broadcast content, without requiring explicit manual intervention by the user for each personalization event. This would be a natural progression from basic broadcast monitoring and local video switching technologies.