Invention Grant
US09264643B1 Methods and circuitries for pixel sampling 有权
像素采样方法和电路

  • Patent Title: Methods and circuitries for pixel sampling
  • Patent Title (中): 像素采样方法和电路
  • Application No.: US14140618
    Application Date: 2013-12-26
  • Publication No.: US09264643B1
    Publication Date: 2016-02-16
  • Inventor: Song Xue
  • Applicant: Rambus Inc.
  • Applicant Address: US CA Sunnyvale
  • Assignee: RAMBUS, Inc.
  • Current Assignee: RAMBUS, Inc.
  • Current Assignee Address: US CA Sunnyvale
  • Agency: Silicon Edge Law Group LLP
  • Agent Mark P. Guidotti; Arthur J. Behiel
  • Main IPC: H04N5/378
  • IPC: H04N5/378
Methods and circuitries for pixel sampling
Abstract:
Described is a multi-modal binary pixel sampling system incorporating a configurable sampler. The system includes an imaging pixel that outputs a series of reset and measurement values. The configurable sampler can extract image data from these values using correlated double sampling (CDS), non-correlated double sampling (NCDS), direct comparison sampling (DS), or a combination of these sampling modes. The configurable sampler is agile and may transition among modes during an exposure interval. Additional switches, storage elements, and reference nodes may be added to store additional measurements or calibration values.
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