{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8521230","patent":{"patent_number":"US-8521230","title":"Mobile telephone","assignee":null,"inventors":[],"filing_date":"2009-03-31T00:00:00.000Z","publication_date":"2013-08-27T00:00:00.000Z","cpc_codes":["H04M","H04M","H04M","H04M"],"num_claims":14,"abstract":"In the mobile telephone, an image display surface of a display is arranged on a front surface of a casing, and a camera is arranged on a rear surface thereof. The mobile telephone includes: a proximity sensor, and acceleration sensor, and a control circuit. The control circuit includes: a unit that detects that the casing has been placed on the object; a unit that performs a color conversion process for converting a color of each pixel into a complementary color on an image signal obtained from the camera before detection of that the casing has been placed on the object; and a unit that outputs a color-converted image on the image display surface when an incoming call/mail is received after detection of that the casing has been placed on the object."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Mobile telephone","description":"In the mobile telephone, an image display surface of a display is arranged on a front surface of a casing, and a camera is arranged on a rear surface thereof. The mobile telephone includes: a proximit","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8521230","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-8521230","citation_suggestion":"Patentable. \"Mobile telephone\" (US-8521230). https://patentable.app/patents/US-8521230","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8521230","json":"https://patentable.app/api/llm-context/US-8521230","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T14:58:39.187Z"}