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Paper Abstract and Keywords
Presentation 2020-08-06 11:25
A TOF CMOS Image Sensor With Code Authentication Function Using In-Pixel Pulse Frequency Modulation
Nao Watanabe, Makoto Ikeda (Tokyo Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) A TOF image sensor (CMOS) with code authentification function is proposed. In the system, instead of the typical indirect TOF method that accumulates electric charge in some capacitors, the pulses generated by pulse frequency modulator (PFM, photocurrent – frequency conversion) are counted by some counters, and with the pulse number and digital processing, distance measurement, code authentification and interference cancellation is tried to realize. In this paper, the method of the distance measurement and the code authentification, the circuit implementation, and the results of simulation of the circuits and the system on HSPICE and C programs each other are shown.
Keyword (in Japanese) (See Japanese page) 
(in English) image sensor / time-of-flight / pulse frequency modulator (PFM) / code authentification / interference cancellation / / /  
Reference Info. ITE Tech. Rep., vol. 44, no. 17, IST2020-40, pp. 13-18, Aug. 2020.
Paper # IST2020-40 
Date of Issue 2020-07-30 (IST) 
ISSN Print edition: ISSN 1342-6893  Online edition: ISSN 2424-1970
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Conference Information
Conference Date 2020-08-06 - 2020-08-07 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Analog, Mixed Analog and Digital, RF, and Sensor Interface, Low Voltage/Low Power Techniques, Novel Devices/Circuits, and the Applications 
Paper Information
Registration To IST 
Conference Code 2020-08-ICD-SDM-IST 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A TOF CMOS Image Sensor With Code Authentication Function Using In-Pixel Pulse Frequency Modulation 
Sub Title (in English)  
Keyword(1) image sensor  
Keyword(2) time-of-flight  
Keyword(3) pulse frequency modulator (PFM)  
Keyword(4) code authentification  
Keyword(5) interference cancellation  
1st Author's Name Nao Watanabe  
1st Author's Affiliation The University of Tokyo (Tokyo Univ.)
2nd Author's Name Makoto Ikeda  
2nd Author's Affiliation The University of Tokyo (Tokyo Univ.)
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Date Time 2020-08-06 11:25:00 
Presentation Time 25 
Registration for IST 
Paper # ITE-IST2020-40 
Volume (vol) ITE-44 
Number (no) no.17 
Page pp.13-18 
#Pages ITE-6 
Date of Issue ITE-IST-2020-07-30 

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