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SMPTE Journal ( Volume: 99, Issue: 8, August 1990)
[ACTIVE]

The HARP High-Sensitivity Handheld HDTV Camera

Metadata

Publisher
SMPTE — White Plains, NY, USA
Doc Type
Journal Article
Content Type
Original Research
Abbreviated Title
J SMPTE
Volume
99, No. 8, pp. 612–619
Abstract
NHK Laboratories has developed a handheld HDTV camera with sensitivity ten times greater than HDTV cameras currently in use. The new camera allows shooting of darker scenes and covers a greater depth of field, and its small size makes it useful for shooting from various angles and at various locations. The high sensitivity is achieved through the use of HARP tubes and avalanche multiplication occurring in the HARP tube's target layer. Satisfactory signal-to-noise ratio (SNR) is also attained by employing GaAs field-effect transmitters (FETs) for the preamplifiers. In addition, on-line registration correction simplifies adjustment.
Publication Date
1990-08-01
DOI
10.5594/J02608
ISSN
Print: 0036-1682
Link
https://doi.org/10.5594/J02608
Author(s)
Fumio OkanoNHK Science and Technical Research Laboratories, Tokyo, Japan
Junji KumadaNHK Science and Technical Research Laboratories, Tokyo, Japan
Kenkichi TaniokaNHK Science and Technical Research Laboratories, Tokyo, Japan
Copyright
© 1990 Society of Motion Picture and Television Engineers, Inc.

Bibliographic Reference(s)

  • A New Method of Specifying the Resolving Power of Television Camera Tubes Using the RCA P-300 Test Chart [Active]
  • 1. Okano F. Kumada J. , “Hand-Held Camera for HDTV,” Nat. Conv. Rec. Inst. TV Eng. Japan , pp. 256 – 257 , 1984 . EXTERNAL
  • 10. Coltman John W. , “The Specification of Imaging Properties by Response to Sine Wave Input,” J. Opt. Soc. Am. , 44 : 466 – 471 , June 1954 . EXTERNAL
  • 2. Tanioka K. , “An Avalanche-Mode Amorphous Selenium Photoconductive Layer for Use as a Camera Tube Target,” IEEE Electron Device Letters , EDL-8 : 392 – 394 , Sept. 1987 . EXTERNAL
  • 3. Kurasige K. , “Super-Sensitive HDTV Camera Tube with the Newly Developed HARP Target,” SMPTE J. , 98 : 538 – 545 , July 1988 . EXTERNAL
  • 4. Schmid W. , “Optimum Choice of Si FET of GaAs FET as First-Stage Active Device for Very Low-Noise Optical Receivers with Medium Bandwidth,” Electron. Lett. , 19 , Oct. 27, 1983 . EXTERNAL
  • 5. Ohkubo T. , “Improvement of Signal-to-Noise Ratio of Hi-Vision Camera by GaAs MESFET,” Inst. TV Eng. Japan Tech. Rep. , 11 : 7 – 11 , Dec. 1987 . EXTERNAL
  • 6. Kawamura Y. Kumada J. , “High-Definition Television Camera,” J. Inst. TV Eng. Japan , 36 , Oct. 1982 . EXTERNAL
  • 8. Kumada J. Okano F. , “Registration Detection of General Pictures,” Nat. Conv. Rec. Inst. TV Eng. Japan , pp. 45 – 46 , 1987 . EXTERNAL
  • 9. Okano F. Kumada J. , “Focus Indicator,” J. Inst. TV Eng. Japan , 42 : 386 – 387 , Apr. 1988 . EXTERNAL
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Preview:
Fumio Okano, Junji Kumada, and Kenkichi Tanioka; The HARP High-Sensitivity Handheld HDTV Camera, SMPTE Journal ( Volume: 99, Issue: 8, August 1990); SMPTE, 1990. Available at https://doi.org/10.5594/J02608
Snippet:
Fumio Okano, Junji Kumada, and Kenkichi Tanioka; The HARP High-Sensitivity Handheld HDTV Camera, SMPTE Journal ( Volume: 99, Issue: 8, August 1990); SMPTE, 1990. Available at https://doi.org/10.5594/J02608

HTML (ISO 690 compliant)

Preview:
Fumio Okano, Junji Kumada, and Kenkichi Tanioka; The HARP High-Sensitivity Handheld HDTV Camera, SMPTE Journal ( Volume: 99, Issue: 8, August 1990); SMPTE, 1990. Available at https://doi.org/10.5594/J02608
Snippet:
<span class="citation">Fumio Okano, Junji Kumada, and Kenkichi Tanioka; <cite>The HARP High-Sensitivity Handheld HDTV Camera</cite>, SMPTE Journal ( Volume: 99, Issue: 8, August 1990); SMPTE, 1990. Available at <a href="https://doi.org/10.5594/J02608" target="_blank" rel="noopener">https://doi.org/10.5594/J02608</a></span>

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Preview:
Fumio Okano, Junji Kumada, and Kenkichi Tanioka; The HARP High-Sensitivity Handheld HDTV Camera, SMPTE Journal ( Volume: 99, Issue: 8, August 1990); SMPTE, 1990
doi: 10.5594/J02608
url: https://doi.org/10.5594/J02608
Snippet:
<li>
Fumio Okano, Junji Kumada, and Kenkichi Tanioka; <cite id="bib-10-5594-j02608">The HARP High-Sensitivity Handheld HDTV Camera</cite>, SMPTE Journal ( Volume: 99, Issue: 8, August 1990); SMPTE, 1990
<span class="doi">10.5594/J02608</span>
</li>

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