{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8477290","patent":{"patent_number":"US-8477290","title":"Range finder","assignee":null,"inventors":[],"filing_date":"2010-06-10T00:00:00.000Z","publication_date":"2013-07-02T00:00:00.000Z","cpc_codes":["G01C","G01C","G01C","G01S"],"num_claims":4,"abstract":"A laser range finder 100 includes: a light source 10 emitting light from a linear light-emitting portion 10a with making a divergent angle of the light larger in a transversal direction of the light-emitting portion 10a than in a longitudinal direction thereof; an objective lens 30 projecting the light onto a target object and converging reflection light; a partial reflection member 20 disposed between the light source and the objective lens and having a partial reflection surface 21 composed of a transmitting area 21a transmitting light emitted from the light source and receiving areas 21b reflecting reflection light; and a photodetector 40 detecting the reflection light reflected by the receiving areas; wherein the light source and the partial reflection member are disposed with making the longitudinal direction of the light-emitting portion 10a disposed substantially perpendicular to a longitudinal direction of the transmitting area 21a as seen along an optical axis."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Range finder","description":"A laser range finder 100 includes: a light source 10 emitting light from a linear light-emitting portion 10a with making a divergent angle of the light larger in a transversal direction of the light-e","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8477290","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-8477290","citation_suggestion":"Patentable. \"Range finder\" (US-8477290). https://patentable.app/patents/US-8477290","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8477290","json":"https://patentable.app/api/llm-context/US-8477290","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T04:46:28.415Z"}