Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
IEICE-EID, IDY, IEIJ-SSL, SID-JC, IEE-EDD [detail] |
2021-01-28 13:30 |
Kyoto |
|
Mn5+ activated M2GeO4(M = Ca, Sr, Ba) near-infrared phosphors for in-vivo imaging Shoto Tanaka, Tadashi Ishigaki, Yutaro Zaima, Kouhei Matsubara, Yudai Nitta, Koutoku Ohmi (Tottori Univ.) |
[more] |
|
IDY, IEICE-EID, IEIJ-SSL, SID-JC, IEE-EDD [detail] |
2020-01-23 14:10 |
Tottori |
Tottori Univ |
[Poster Presentation]
Mn5+ activated M2AO4 (M = Ca, Sr, Ba, A = Si, Ge) near-infrared phosphors Shoto Tanaka, Tadashi Ishigaki, Yutaro Zaima, Kohei Matsubara, Yudai Nitta, Koutoku Ohmi (Tottori Univ.) |
M2AO4:Mn5+ (M = Ca, Sr, Ba, A = Si, Ge) phosphors have been synthesized by solid-state reaction method. Their crystallog... [more] |
|
IDY, IEICE-EID, IEIJ-SSL, SID-JC, IEE-EDD [detail] |
2020-01-24 11:15 |
Tottori |
Tottori Univ |
[Poster Presentation]
Synthesis of Ca6BaP4O17:Mn5+ near-infrared phosphors and their luminescent properties Kohei Matsubara, Tadashi Ishigaki, Yutarou Zaima, Shoto Tanaka, Yudai Nitta, Koutoku Ohmi (Tottori Univ.) |
癌診断の方法の一つとして蛍光生体イメージングが期待されている.これまでの研究で液相反応法を用いてCa10(PO4)6(OH)2:Mn5+ (HAp:Mn5+) ナノ粒子蛍光体の作製に成功している.しかし,発光強度が非常に弱いため, Caサイ... [more] |
|
IDY, IEICE-EID, IEIJ-SSL, SID-JC, IEE-EDD [detail] |
2020-01-24 11:20 |
Tottori |
Tottori Univ |
[Poster Presentation]
Characteristics of luminescence and particle shape in M10(PO4)6(OH)2:Mn5+ (M=Ca,Sr,Ba) near-infrared nanophosphors Yutaro Zaima, Tadashi Ishigaki, Kouhei Matsubara, Shoto Tanaka, Yudai Nitta, Koutoku Ohmi (tottori Univ) |
Recently, we succeeded in synthesizing a near-infrared Ca10(PO4)6(OH)2:Mn5+ (HAp:Mn5+) nanophosphors by liquid phase rea... [more] |
|
BCT, IEEE-BT [detail] |
2019-07-26 09:30 |
Hokkaido |
Tokachi-Plaza |
Design and ISDB-S3 performance evaluation of 850nm optical transmission system using Plastic Optical Fiber (POF). Yuichi Hiraoka, Itaru Suzuki (Maspro Denkoh), Masashi Kamei, Sinsuke Yokozawa, Katsuya Hayashi (NHK), Syoji Tanaka (B-SAT), Kenichi Tsuchida (NHK), Yoshihisa Hosoda (ARIB) |
As a new distribution system of broadcasting in a detached house and an apartment house, 850nm optical transmission syst... [more] |
BCT2019-66 pp.35-40 |
IDY, IEICE-EID, IEIJ-SSL, SID-JC, IEE-EDD [detail] |
2019-01-25 10:20 |
Kagoshima |
|
[Poster Presentation]
Activation of Mn5+ centers by annealing in Ca10(PO4)6(OH)2:Mn5+ NIR nanophosphor Ryo Takeuchi, Tadashi Ishigaki, Yutaro Zaima, Kouhei Matsubara, Shoto Tanaka, Koutoku Ohmi (Tottori Univ.) |
[more] |
|
IEICE-CS, IEICE-IE, IPSJ-AVM, BCT [detail] |
2017-11-30 14:35 |
Aichi |
|
Efforts toward Transmission Experiments Utilizing Transponder of 21-GHz Band on Broadcasting Satellite Masafumi Nagasaka, Susumu Nakazawa, Hisashi Sujikai, Shoji Tanaka (NHK) |
The broadcasting satellite BSAT-4a was successfully launched on September 30th, 2017 (JST). BSAT-4a has a 21-GHz-band ex... [more] |
BCT2017-94 pp.43-46 |
BCT, IEEE-BT, SHIKOKU [detail] |
2017-09-08 15:25 |
Kochi |
Kochi City Culture-plaza |
Basic Study on Measurement of Leaked Radio Wave for Receiving System of Satellite Broadcasting Atsushi Iwasaki, Masafumi Nagasaka, Shoji Tanaka (NHK) |
The technical standard of leaked radio waves in the intermediate frequency band (2.2 GHz to 3.2 GHz) will be applied, wh... [more] |
BCT2017-78 pp.21-24 |
BCT, IEEE-BT |
2017-03-10 14:00 |
Nagasaki |
Fukue-Bunka-kaikan |
A Study on Direction of Arrival Estimation System for Wide Band Digital Modulated Wave Atsushi Iwasaki, Masafumi Nagasaka, Shoji Tanaka (NHK) |
We studied a direction-of-arrival estimation system using the intermediate frequency (IF) band of the satellite broadcas... [more] |
BCT2017-43 pp.17-20 |
BCT, IEICE-OFT, IEICE-OCS, IEE-CMN (Joint) [detail] |
2016-11-10 17:25 |
Nagasaki |
CORE COMMUNICATION IN NAGASAKI |
Characteristics of Distribution Equipments for UHDTV Satellite Broadcasting Reception Masafumi Nagasaka, Yuki Koizumi, Masaaki Kojima, Shoji Tanaka (NHK), Kazuya Ueda (ARIB) |
Test satellite broadcasting of UHDTV started on August 1st, 2016. In 2018, practical satellite broadcasting of UHDTV wil... [more] |
BCT2016-79 pp.31-36 |
BCT, IEEE-BT, SHIKOKU |
2016-09-09 14:10 |
Tokushima |
Tokugin Tomony Plaza(Tokushima) |
Shielding Effectiveness of Coaxial Cable for Satellite Broadcasting Reception Masafumi Nagasaka, Shoji Tanaka (NHK), Yuichi Hiraoka, Toru Sakamoto (MASPRO) |
Test UHDTV satellite broadcasting was started on August 1st, 2016. In 2018, practical UHDTV satellite broadcasting will ... [more] |
BCT2016-69 pp.9-12 |
BCT, IEEE-BT [detail] |
2016-03-11 13:50 |
Okinawa |
Nobumoto Ohama Memorial Hall |
A Study on Service Availability for UHDTV Satellite Broadcasting Masafumi Nagasaka, Susumu Nakazawa, Shoji Tanaka (NHK) |
Experimental UHDTV satellite broadcasting and full-scale UHDTV broadcasting will begin in 2016 and 2018, respectively. F... [more] |
BCT2016-39 pp.21-24 |
BCT, IEICE-CS, IEICE-IE, IPSJ-AVM [detail] |
2015-12-03 10:20 |
Hyogo |
|
Transmission experiments for 32APSK over satellite transponder Yuki Koizumi, Masaaki Kojima, Yoichi Suzuki, Kyoichi Saito, Shoji Tanaka (NHK), Hayato Nishida (B-SAT) |
[more] |
BCT2015-80 pp.7-10 |
BCT, IEICE-OFT, IEE-CMN, IEICE-OCS [detail] |
2015-11-13 10:20 |
Ehime |
Matsuyama Civic Center |
Characteristics of E/O and O/E Converters for UHDTV Satellite Broadcasting Reception Masafumi Nagasaka, Shoji Tanaka, Masaaki Kojima (NHK), Naoji Okumura (ARIB) |
A 12-GHz (11.7 to 12.75 GHz) band satellite service with dual-circular polarization is being studied for transmission ch... [more] |
BCT2015-78 pp.53-58 |
BCT, IEEE-BT |
2015-07-31 09:45 |
Hokkaido |
|
Prototype of Right- and Left-hand Circularly Polarized Receiving Antenna for Satellite Broadcasting Masafumi Nagasaka, Susumu Nakazawa, Shoji Tanaka (NHK) |
A 12-GHz (11.7 to 12.75 GHz) band satellite service with dual-circular polarization is being studied for transmission ch... [more] |
BCT2015-60 pp.37-40 |
BCT, IEEE-BT |
2015-03-13 16:05 |
Kagoshima |
|
Performance evaluation of IF signal transmission through satellite master antenna TV system for distribution of UHDTV satellite broadcasting Masaaki Kojima, Yoichi Suzuki, Naoyoshi Nakamura, Shoji Tanaka (NHK), Akihisa Sugimoto, Akira Kobayashi (JCTEA) |
Aiming at launching “Super Hi-Vision (4K/8K)” broadcasting by satellite, technical standard (ARIB STD-B44 ver.2.0) was d... [more] |
BCT2015-42 pp.33-36 |
BCT, IEEE-BT |
2015-02-20 10:00 |
Mie |
|
[Memorial Lecture]
Research and Development on Receiving Antenna for Next-generation Satellite Broadcasting Masafumi Nagasaka, Susumu Nakazawa, Shoji Tanaka (NHK) |
A 12-GHz (11.7 to 12.75 GHz) band satellite service with dual-circular polarization is expected for transmission channel... [more] |
BCT2015-32 pp.29-34 |
BCT, IEICE-OCS, IEICE-OFT, IEE-CMN [detail] |
2014-11-14 09:25 |
Hiroshima |
|
Characteristics of Distribution Equipment for Satellite Broadcasting Reception Masafumi Nagasaka, Shoji Tanaka (NHK), Naoji Okumura (ARIB) |
A 12-GHz (11.7 to 12.75 GHz) band satellite service with left hand circular polarization is expected for transmission ch... [more] |
BCT2014-87 pp.67-70 |
BCT, IEEE-BT |
2014-07-31 14:20 |
Hokkaido |
Kushiro-Syougai-Gakusyuu-Center |
Prototype of Dual-polarization Antenna for Satellite Broadcasting Reception Masafumi Nagasaka, Susumu Nakazawa, Shoji Tanaka (NHK) |
A 12-GHz (11.7 to 12.75 GHz) band satellite service with orthogonal polarization is expected for transmission channels t... [more] |
BCT2014-64 pp.9-12 |
BCT, IEEE-BT |
2014-07-31 14:55 |
Hokkaido |
Kushiro-Syougai-Gakusyuu-Center |
Radiation Pattern Considering Thermal Distortion of the Onboard Reflector Antenna for 21-GHz band Broadcasting Satellite Susumu Nakazawa, Masafumi Nagasaka, Masashi Kamei, Shoji Tanaka, Tetsuomi Ikeda (NHK) |
For 21-GHz band satellite broadcasting system, we have proposed an array-fed reflector antenna as part of a wide band an... [more] |
BCT2014-65 pp.13-16 |