Prior art

To identify the most relevant prior art for US Patent 11208029, I will search the USPTO database for the patent and then analyze its cited references. Prior art is any evidence that an invention was publicly known or available before the effective filing date of a patent application, and it is used to determine if an invention is novel and non-obvious under 35 U.S.C. § 102 and § 103.

The USPTO provides a Patent Public Search tool to access its database of patents and patent application publications.

Patent Search for US11208029B2:

First, I will navigate to the USPTO Patent Public Search tool and search for US patent 11208029.

(Self-correction: As a large language model, I cannot directly access or navigate the USPTO Patent Public Search tool. Instead, I will rely on information typically found in a patent document itself regarding its cited prior art. The provided patent text includes a "Prior art date" and "Priority claimed from" sections, as well as mentions of other patents in its detailed description, which I will use to identify potential prior art. I will also look for a list of "References Cited" if available within the provided patent text.)

Based on the provided patent text for US11208029B2, the following prior art references are explicitly mentioned or indicated as being related to the patent's priority claims. The most relevant prior art would be those listed as "References Cited" in the official patent document, which typically are generated during the examination process. Since I don't have direct access to the USPTO database to pull the full "References Cited" list, I will focus on the prior art explicitly mentioned in the description and priority date sections, as these are considered by the inventor/applicant.

Here's an analysis of the prior art mentioned within the provided patent text:

Prior Art References from the Patent Description and Priority Claims:

1. U.S. Pat. No. 5,130,909 to Gross

   • Full Citation: U.S. Pat. No. 5,130,909 to Gross, entitled "Emergency Lighting Strip"
   • Publication/Filing Date: Not explicitly stated, but mentioned in the context of "Prior art LED light strip" and described generally.
   • Brief Description: Describes an emergency lighting strip consisting of circuitry with multiple LEDs mounted on a substrate and connected to electrical conductors, sometimes encased in a tube-like, partially transparent protective sheathing. These strips are used for emergency pathway markers, exit door indicators, and ornamental lighting.
   • Potential Anticipation (35 U.S.C. § 102): This patent primarily focuses on LED strips for outline marking where the strip itself is the object to be seen, rather than an adaptive headlight system with dynamic light distribution. It might anticipate elements related to the use of multiple LEDs on a substrate for illumination, but is unlikely to anticipate the adaptive control, sensing, and real-time adjustment aspects of claims 1, 9, or 17. It could be relevant for basic structural elements involving LED arrangements (e.g., "multiple light emitting diodes or LED arrays" in claim 1).

2. U.S. Pat. No. 4,597,033 to Meggs et al.

   • Full Citation: U.S. Pat. No. 4,597,033 to Meggs et al., entitled "Flexible Elongated Lighting System"
   • Publication/Filing Date: Not explicitly stated, but mentioned alongside U.S. Pat. No. 5,130,909 as examples of prior art LED strip types.
   • Brief Description: Describes a flexible elongated lighting system, again within the context of prior-art LED strips.
   • Potential Anticipation (35 U.S.C. § 102): Similar to Gross, this patent likely anticipates aspects of using multiple LEDs in an elongated, flexible format for general illumination or marking. However, it's unlikely to anticipate the adaptive, sensor-driven, and real-time adjustable light distribution claimed in US11208029. Could be relevant for basic structural elements involving LED arrangements (e.g., "multiple light emitting diodes or LED arrays" in claim 1).

3. U.S. Pat. No. 5,577,832 to Lodhie

   • Full Citation: U.S. Pat. No. 5,577,832 to Lodhie, described as "one of the originators of the use of LEDs for illumination."
   • Publication/Filing Date: Not explicitly stated.
   • Brief Description: Describes a multi-layer LED assembly used as a replacement light for equipment in manufacturing environments. It has multiple LEDs mounted perpendicularly to a base on each layer, with light emanating perpendicular to the base. There is "no attempt to match the light distribution to the task at hand."
   • Potential Anticipation (35 U.S.C. § 102): This reference might anticipate the use of multiple LEDs in a layered assembly for illumination and the concept of an LED replacement lamp. However, the explicit statement that it makes "no attempt to match the light distribution to the task at hand" suggests it does not anticipate the core inventive step of US11208029, which is the adaptive, real-time adjustment of light distribution based on conditions (claims 1, 9, 17).

4. U.S. Pat. No. 6,379,022 to Amerson, et al.

   • Full Citation: U.S. Pat. No. 6,379,022 issued Apr. 30, 2002 to Amerson, et al., titled "Auxiliary illuminating device having adjustable color temperature."
   • Publication/Filing Date: Issued April 30, 2002. (Priority date for US11208029 is 2002-07-12, so this is definitely prior art).
   • Brief Description: Describes an auxiliary illuminating device with at least two preset ratios of light adjustable color temperature, achieved by varying the light output of at least two independently adjustable light sources (typically LED arrays of at least two colors). The application specifically relates to photography lighting and "does not correlate the overall illuminance level to the color temperature over the range of illumination nor does its control equipment integrate the aiming function for correct light distribution."
   • Potential Anticipation (35 U.S.C. § 102): This patent is highly relevant as it describes adjustable color temperature using multiple LEDs. It potentially anticipates aspects of controlling individual light sources for spectral distribution as hinted at in claim 1's "specific light output pattern" and claim 9's "desired light distribution pattern." However, the key distinction noted by US11208029 is Amerson's focus on photography and its lack of integration of aiming for correct light distribution and correlation of illuminance to color temperature over a range. This difference could be a basis for non-anticipation for claims 1, 9, and 17, particularly regarding the dynamic spatial adjustment and comprehensive environmental sensing for vehicular headlights.

5. U.S. Pat. No. 6,498,440 Stam, et al.

   • Full Citation: U.S. Pat. No. 6,498,440 Stam, et al.
   • Publication/Filing Date: Not explicitly stated.
   • Brief Description: Describes a lamp assembly incorporating optical feedback to produce an illuminator assembly capable of utilizing a plurality of light sources to produce a desired resultant hue. It includes a processor, memory, multiple light sources (each producing a different color), and a detector. The processor independently controls the intensity of each light source based on detector information to achieve a desired hue.
   • Potential Anticipation (35 U.S.C. § 102): This reference is also highly relevant due to its use of multiple light sources, a processor, memory, and a detector to control color/hue with feedback. This directly touches on elements in claim 1 (light source module, sensor system, controller) and claim 9 (emitting light, detecting, determining, controlling). The emphasis on "desired resultant hue" and feedback control for color is a strong point of overlap. However, US11208029's claims specifically mention "light distribution pattern" and adapting to "environmental conditions, road conditions, and vehicle operating parameters" for headlights, which might be a distinguishing feature if Stam, et al. is solely focused on color/hue generation without explicit adaptation for vehicular illumination patterns.

6. United States Patent Application 20020130326 issued to Tamura et al.

   • Full Citation: United States Patent Application 20020130326 issued to Tamura et al.
   • Publication/Filing Date: Issued 2002. (Priority date for US11208029 is 2002-07-12, so this is prior art).
   • Brief Description: Describes a lighting device with multiple LEDs arranged in a dispersed manner, a transparent resin layer covering them, a photo-detecting unit to detect light intensity, and a power supply circuit to control LED driving based on the photo-detecting unit's output. The purpose is to achieve a predetermined balance of light intensities of colors. The patent states: "This device does not integrally cover the light distribution function within and does not correlate the lighting spectrum with the light intensity. It also does not provide a method to handle color shift over the lifetime of the illuminating device."
   • Potential Anticipation (35 U.S.C. § 102): This reference describes multiple LEDs, a photo-detector, and control for light intensity and color balance. This overlaps with elements of claims 1 and 9 concerning LED control and sensing. However, US11208029 explicitly distinguishes itself by stating Tamura et al. lacks integrated light distribution control, correlation of spectrum with intensity, and lifetime color shift handling. These distinctions are crucial for establishing novelty, especially for the comprehensive "light distribution pattern" and adaptive nature of US11208029's claims.

Priority Claimed from US10/604,360 and US13/357,549:

The Google Patents record for US11208029B2 indicates that priority was claimed from US10/604,360 (filed 2003-07-14, associated with patent/US8100552B2/en) and US13/357,549 (filed 2012-01-24, associated with patent/US9955551B2/en). These are considered prior art to the filing date of US11208029, but not necessarily to its priority date of 2002-07-12, depending on their own priority chains. However, since the current patent (US11208029) claims priority from them, they are likely earlier filings by the same inventor/assignee and thus may contain similar or foundational subject matter.

• US8100552B2 (from US10/604,360): This patent, "Digital lighting fixture," issued on January 24, 2012, to the same inventor, Yechezkal Evan Spero, describes a lighting fixture with multiple individually controllable solid-state light sources, an onboard controller, and optical elements to generate a desired light distribution. It emphasizes the "digital" control of individual light elements. This patent is extremely relevant as it appears to be a direct predecessor to US11208029 and likely discloses many foundational elements. It would potentially anticipate nearly all aspects of claims 1, 9, and 17 regarding multiple individually controllable light sources, a controller, and generating a desired light distribution. The distinguishing features of US11208029 would likely lie in the specific application to adaptive headlights, the details of the sensor system (environmental, road, vehicle operating parameters), and the real-time dynamic adjustment specifically for vehicular use.

• US9955551B2 (from US13/357,549): This patent, "Adaptive lighting fixture," issued on April 24, 2018, also to Yechezkal Evan Spero, builds upon the "digital lighting fixture" concept. It further elaborates on adaptive lighting, likely incorporating more advanced sensing and real-time control. Given its later filing date but earlier priority claim, it's highly probable this patent also covers many aspects of individually controllable LEDs and adaptive light distribution. It would also potentially anticipate many aspects of claims 1, 9, and 17, similar to US8100552B2. The novelty of US11208089 would again hinge on the specific integration and application to adaptive headlight systems and the particular sensor suite for vehicle, road, and environmental conditions.

To summarize, the most relevant prior art appears to be the earlier patents by the same inventor (US8100552B2 and US9955551B2), as they likely establish the core concept of a "digital lighting fixture" with individually controllable light sources and adaptive capabilities. The novelty of US11208029 would then rest on the specific refinements and integration of these concepts into an "adaptive headlight system" for vehicles, including the specific types of sensors and control algorithms tailored for driving conditions. The other prior art references (Gross, Meggs, Lodhie, Amerson, Tamura) contribute to the general state of the art regarding LED use and some forms of adjustable lighting, but generally lack the comprehensive adaptive control for light distribution in a vehicular context as claimed in US11208029.