{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8534442","patent":{"patent_number":"US-8534442","title":"Mechanical coin checking device having a confirmation photoelectric barrier which is secure against manipulation","assignee":null,"inventors":[],"filing_date":"2012-04-05T00:00:00.000Z","publication_date":"2013-09-17T00:00:00.000Z","cpc_codes":["G07F"],"num_claims":20,"abstract":"A mechanical coin checking device comprises a coin channel having a running rail, a coin acceptance shaft connected to the coin channel, a blocking element which is pivoted into the coin acceptance shaft if no coin is present and which, due to the weight thereof, pivots, after entry of a coin into the acceptance shaft, releases the acceptance shaft and blocks the coin channel at the same time, a confirmation photoelectric barrier which is disposed in the acceptance channel and detects the passage of a coin, an optical sensor for detecting the position of the blocking element and a control unit connected to the confirmation photoelectric barrier and to the optical sensor, the control unit, as a function of the signals of the confirmation photoelectric barrier and of the optical sensor, producing a credit signal for acceptance of the coin falling through the acceptance shaft."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Mechanical coin checking device having a confirmation photoelectric barrier which is secure against manipulation","description":"A mechanical coin checking device comprises a coin channel having a running rail, a coin acceptance shaft connected to the coin channel, a blocking element which is pivoted into the coin acceptance sh","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8534442","license":"CC-BY-4.0-like","license_terms":"AI-generated analysis on this page (summary, layman_explanation, technical_analysis, business_analysis, faqs) may be reused with attribution and a visible link back to the canonical URL above. Patent abstracts, claims, and bibliographic data are USPTO public domain.","required_link":"https://patentable.app/patents/US-8534442","citation_suggestion":"Patentable. \"Mechanical coin checking device having a confirmation photoelectric barrier which is secure against manipulation\" (US-8534442). https://patentable.app/patents/US-8534442","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8534442","json":"https://patentable.app/api/llm-context/US-8534442","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T18:49:25.384Z"}