US 6537227

Here is a concise summary of US patent 6537227:

US Patent 6537227: Method and equipment for human-related measuring

• Title: Method and equipment for human-related measuring
• Assignee: Polar Electro Oy
• Inventors: Hannu Kinnunen, Seppo Nissilä
• Filing Date: 2001-03-02
• Issue Date: 2003-03-25
• Abstract: A heart rate measuring arrangement including measuring means for measuring a person's heart rate during exercise and a calculating unit for calculating an assessment of the person's energy consumption during exercise. This calculation uses at least two parameters: a heart rate parameter from measured heart rate information and an energy consumption reference value. The reference value is derived from one or more performance parameters that describe the person's physical performance. The arrangement also includes presenting means for displaying this energy consumption assessment.

CAFC 2026 Dockets:
As of April 26, 2026, there are no new CAFC dockets for US Patent 6537227 in the provided search results. However, related litigation is ongoing concerning this patent. Polar Electro Oy, the patent owner, has filed a petition (No. 25-1268) with the U.S. Supreme Court in May 2026, challenging a Federal Circuit affirmation (Rule 36) of a district court's summary judgment of patent ineligibility under 35 U.S.C. § 101. This Supreme Court petition follows a Federal Circuit decision that occurred prior to 2026, affirming the district court's finding that the claims were patent-ineligible.

Independent Claims Overview:

Please note: The original independent claims (Claim 1 and Claim 16) as initially granted were cancelled during reexamination proceedings. While subsequent reexamination certificates indicate that various original dependent claims were amended to be patentable (e.g., Claims 2-6, 11, 15, 17-22, 27, 31, 33, 37, 38) and new claims were added (Claims 32-42, 43-46, 47-52), the specific text of these currently valid independent claims is not available in the provided patent document. Therefore, a plain-language overview of the current independent claims cannot be provided with authoritative detail.