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A retinal prosthetic device using a pulse-frequency-modulation CMOS image sensor

Published: 27 January 2004 Publication History

Abstract

This paper describes a retinal prosthetic device using a pulse frequency modulation (PFM) based photosensor with a standard CMOS technology and its modification to stimulate retinal cells effectively. A 32x32-pixel PFM photosensor array chip have been fabricated using 0.6 μm CMOS technology and demonstrated the improved functions.

References

[1]
J. Ohta et al., Jpn. J. Appl. Phys. 41 2322 (2002).
[2]
W. Yang, Int'l Solid State Circuits Conf., p. 230 (1994).
[3]
K. Kagawa et al., Electron. Lett. 395 419 (2003).
  1. A retinal prosthetic device using a pulse-frequency-modulation CMOS image sensor

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    cover image ACM Conferences
    ASP-DAC '04: Proceedings of the 2004 Asia and South Pacific Design Automation Conference
    January 2004
    957 pages
    ISBN:0780381750

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    IEEE Press

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    Published: 27 January 2004

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