{
    "title": "Pendulum Patents",
    "inventor_name": null,
    "publication_year": null,
    "device_name": "Pendulum device",
    "goal": "Provide a compiled list of pendulum-related patents from various jurisdictions.",
    "problem_addressed": "Lack of a centralized resource for locating pendulum patents and related technologies.",
    "concept_summary": "The article aggregates a selection of pendulum patents covering devices for clocks, generators, wave power, and other mechanical applications, offering a quick reference for researchers and inventors.",
    "detailed_description": null,
    "category": "Mechanical Engineering",
    "principles": [
        "Oscillation",
        "Gravity-driven motion",
        "Mechanical resonance",
        "Piezoelectric conversion",
        "Electromagnetic induction"
    ],
    "scientific_domains": [
        "Mechanical Engineering",
        "Physics"
    ],
    "mechanisms_of_action": [
        "Pendulum swing",
        "Gear coupling",
        "Piezoelectric element excitation",
        "Electromagnetic field interaction"
    ],
    "materials": [],
    "energy_sources": [
        "Gravity",
        "Mechanical motion",
        "Electromagnetic field"
    ],
    "inputs": [
        "Pendulum displacement",
        "External mechanical drive"
    ],
    "outputs": [
        "Timekeeping signal",
        "Electrical power",
        "Mechanical work"
    ],
    "claimed_performance": null,
    "experimental_evidence": null,
    "replication_status": null,
    "keywords": [
        "pendulum",
        "patent",
        "clock",
        "generator",
        "mechanical",
        "gear",
        "piezoelectric",
        "electromagnetic"
    ],
    "related_technologies": [
        "Clock mechanisms",
        "Wave power generators",
        "Piezoelectric devices",
        "Electromagnetic generators"
    ],
    "controversy_level": "low",
    "confidence_score": 0.8,
    "practicability_score": 0.6,
    "fringe_score": 0.2,
    "evidence_strength": 0.3,
    "risk_score": 0.1,
    "trl_estimate": null,
    "source_urls": [
        "http://www.rexresearch.com"
    ],
    "organizations": [
        "Rex Research"
    ],
    "applications": [
        "Timekeeping",
        "Power generation",
        "Marine anti-rolling systems",
        "Wave energy conversion"
    ],
    "limitations": [
        "No detailed technical specifications provided",
        "Absence of performance data"
    ],
    "open_questions": [
        "What are the actual efficiencies of the listed pendulum generators?",
        "How scalable are the mechanical designs for commercial use?"
    ],
    "red_flags": [],
    "evidence_quotes": []
}