{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9661251","patent":{"patent_number":"US-9661251","title":"Adaptive gain control using sample-and-hold circuit for analog CDS","assignee":null,"inventors":[],"filing_date":"2015-10-30T00:00:00.000Z","publication_date":"2017-05-23T00:00:00.000Z","cpc_codes":["H04N","H04N","H04N","H04N"],"num_claims":20,"abstract":"An image processing circuit includes a first sample-and-hold circuit that samples a first data from a pixel, a second sample-and-hold circuit that samples a second data from the pixel, a voltage-to-current circuit that includes a resistor and a current source and receives the first and second data to output a difference data, an adaptive gain control determination circuit that determines whether a rate of change of a signal from the pixel exceeds a threshold based on an output of the second sample-and-hold circuit, and a current-mode ADC that converts the difference data from an analog form to a digital form."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Adaptive gain control using sample-and-hold circuit for analog CDS","description":"An image processing circuit includes a first sample-and-hold circuit that samples a first data from a pixel, a second sample-and-hold circuit that samples a second data from the pixel, a voltage-to-cu","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9661251","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-9661251","citation_suggestion":"Patentable. \"Adaptive gain control using sample-and-hold circuit for analog CDS\" (US-9661251). https://patentable.app/patents/US-9661251","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9661251","json":"https://patentable.app/api/llm-context/US-9661251","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T08:40:26.179Z"}