2009-Jul No.33 TECHNICAL JOURNAL Front Cover Description AVN Lite "AVN339M"
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FUJITSU TEN TECHNICAL JOURNAL,No.33,KOBE,JUL.2009 ISSN 0289-3789 2009-Jul No.33 TECHNICAL JOURNAL Front cover description AVN Lite "AVN339M" This model incorporates a digital terrestrial TV tuner that provides stable reception of high quality Full seg video and audio with four antennas and four tuners. Its main unit has a slot for a B-CAS card that is required to watch and listen to the digital terrestrial TV. It plays commercial-release DVDs and home-made videos recorded in the DVD- VR format. With its compatibility with MP3/WMA files in CD-R/RW, this model gives you access to more videos and audios than our conventional models. FUJITSU TEN LIMITED PROFILE Sales Growth (¥100 million) Head Office: 2-28, Gosyo-dori, 1-chome, 3,800 Hyogo-ku, Kobe, 652-8510, Japan 3,641 3,600 Phone: +81-78-671-5081 3,400 FAX: +81-78-671-5325 3,125 3,200 Established: October 25, 1972 2,992 3,000 Capital: ¥5300 million 2,746 2,800 No. of Employees: 3,783 (Consolidated: 12,267) 2,600 Product Line: Infotainment Products 2,400 • Audio, Navigation Products (for automobiles) 2,200 • Audio (for home use) 2,000 1,800 • Mobile Communication radios 1,600 Car electronic devices 1,400 Domestic Offices: Utsunomiya, Tokyo, Toyota 1,200 Kobe Logistics Center 1,000 Nakatsugawa Technical Center 800 Kobe Plant, Nakatsugawa Plant 600 Affiliated Companies: TOCHIGI FUJITSU TEN LIMITED 400 FUJITSU TEN EAST JAPAN SALES LIMITED 200 FUJITSU TEN CHUBU SALES LIMITED 0 FUJITSU TEN WEST JAPAN SALES LIMITED '05 '06 '07 '08 FUJITSU TEN ACTY LIMITED Consolidated sales FUJITSU TEN RESERCH LIMITED FUJITSU TEN STAFF LIMITED FUJITSU TEN TECHNOLOGY LIMITED Head Office / Main Plant Nakatsugawa Plant Tochigi Fujitsu TEN Limited FUJITSU TEN TECH. J. No.33(2009) Editorial Board Editor Tohru OGAWA Associate Editor Takao KAMAI Editorial Staff Yuji NISHINO Shinji FUKUDA Takashi EGUSA Kazuhiro YOSHIYAMA Keizo ISHIMURA Takeshi TANAKA Eiji TARUTANI Yoshinori MARUYAMA Tetsuya KITANI Michihiro KITA Bureau Keiichi YOSHII Toyokazu MATSUI Izumi SASAKURA • FUJITSU TEN TECHNICAL JOURNAL is published semiannually by FUJITSU TEN LIMITED to report the results of research conducted by FUJITSU TEN LIMITED in car electronics and related fields. • All rights are reserved by FUJITSU TEN LIMITED concerning the publication, and publication after translation into other languages, of articles appearing herein. • Permission to publish these articles may be obtained by contacting the editor. FUJITSU TEN LIMITED 2-28, Gosyo-dori, 1-chome, Hyogo-ku, Kobe, Japan Phone +81-78-671-5081 http://www.fujitsu-ten.co.jp/ Printed by RYOSAN PRINTING © 2009 FUJITSU TEN LIMITED (Jul. 2009) All brand names and product names are trademarks or registered trademarks of their respective companies. FUJITSU TEN TECH. J. No.33(2009) FUJITSU TEN TECHNICAL REPORT Jul. 2009 No.33 PREFACE Power of Integrating Each Single ................................................................................. 1 Hiroshi OGAWA PAPERS Development of 09CY Audio Platform .......................................................................... 3 Akira YOSHIDA Hirokazu MATSUNAGA Teruaki HAYASHI Kiyotaka NAKAGAWA Yoshikazu FUJITA Yasuhiro YAMAKAWA Development of Time Domain Speaker: TD712zMK2 .................................................. 11 Kazuhiko HAMADA Kiyosei SHIBATA Yoshikuni MIKI Ryousuke SOU Masahito KAWAI Development of FUJITSU TEN's First SD Memory Card Navigation System, AVN Lite, and its Linkage Service..................................................................................................... 18 Kenichirou MASE Takeshi FUKADA Kenji UEMATSU Teru SAWADA AVM System ............................................................................................................. 27 Satoshi SHIGEMATSU Yoshikazu CHUJO Haruo YOSHIDA NOTE Technology Trend in Remote Engine Starter ................................................................ 35 Norio TSURUTA Akira TAKEE Approaches to Technology of Thermal Fatigue Life Prediction of Solder Joints .............. 40 Hidehisa SAKAI Katsufumi MORIMUNE Takashi YONEMOTO INTRODUCTION OF OVERSEAS TECHNICAL CENTER Introduction of FUJITSU TEN SOLUTIONS PHILIPPINES, INC. (FTSP)............................... 48 Akira IKEZOE Hisashi FUJII Catalino GAYOSA III Rommel P. TUAZON Philip S. TENORIO Lez T. LEE PREFACE Power of Integrating Each Single Director Hiroshi OGAWA We can see the keywords, "eco, green, and earth-friendly," in the newspaper, TV, and elsewhere every day. Also in the inaugural address of U.S President of this year, he stated his environmental policy, "We will harness the sun and the winds and the soil to fuel our cars and run our factories." Hence, the technology that responds to the environment is necessary for future product develop- ment. Through the whole life cycle of products including material, design, manufacture, logistics, and disposal, we must create high-qual- ity, eco-friendly, and competitive green products. As for our engine control unit (called EFI-ECU) that the AE Group works on, a quarter of a century has passed since its mass production began in 1983, and its cumulative production now exceeds 20 million units. I would like to thank our senior associates and all involved staff for their integrating each efforts. The EFI-ECU is the electronic equipment that precisely calculates optimum amount of fuel injection and ignition timing in accordance with the condition of engine, and cleans the exhaust emission. The EFI-ECU is therefore an environmental contribution product. In 2006, we commercialized the equipment for hybrid vehicle control (called HV-ECU) as another environmental contribution product, following EFI. The HV-ECU offers good fuel consumption, clean exhaust emission, and smooth driving by precisely calculating and controlling the output torque of the engine and driving motor of a hybrid vehicle. The EFI-ECU and the HV-ECU are classified in the category of the power train in the automotive industry. They relate to "run", which is one of the significant functions of a car, so called "run, turn, and stop," so their quality is considered most important. For these products, the integration of right parts, right software, and right monozukuri is specially required. The most important issues for commercialization are that each work process is clear, high-quality work is integrated along the policy of Σ0=0 (1), and preventive action (1) It is an activity for quality improvement in which each and every person in the Fujitsu Ten group achieves 0 defect individually to result in total 0 defects. FUJITSU TEN TECH. J. No.33(2009) 1 is front-loaded, and all activities to avoid defects are completed before mass production. In the design and manufacturing site, opti- mization, standardization, and visualization must be done in all processes from input to output, and activities for brushup must be made every day. Comparing the first model of the EFI-ECU with the latest HV- ECU, we can see the variation and evolution of car electronics dur- ing a quarter of a century. At first, an 8-bit microprocessor was used, but now 32-bit microprocessor is mainstream. We have improved the quality level dramatically while the operation speed is increased by 100 times and memory size is increased by 200 times due to the high-speed and high-density current of semiconductors. In line with the increase of proportion of software design in product development, we have established our method by platform concep- tion, development tool, management tool, and so forth for efficient development and design. Furthermore, in the product as a whole, we have continuously achieved a good balance between functional extension and reduction in size and weight by improving every aspect, including the miniaturization of element device to be installed in the product, evolution of high-density mounting technology, and the establishment of slim and highly-efficient production line. On the other hand, the amount of information used in an ECU has been increasing dramatically. In the current ECU, the information required for the control is obtained by intercommunication through multiple networks among ECU's. By linking, cooperation and liaison between control functions can be fully carried out, and the range of working field is further expanded for automotive engineers. We must understand the operation of other devices interacting and coor- dinating with each other, and must repeat discussions with the experts including other companies from the early stage of develop- ment. Not withdrawing into ourselves, we must widen the circle of linkage, fusion, and cooperation in and out of our company. With the sophistication and progress of computerization of cars in the future, we would like to increase as many human resources as possible, who are capable enough to respond and solve any issue, so that we stay ahead of other companies. We, who had overcome the once-in-200-years earthquake disaster, now face once-in-a-century unprecedented economic circumstances, and have been pursuing our plan to survive this crisis and grow. We all will step up our efforts of contributing to engineering devel- opment one by one so as to benefit future generations and advance to the next stage. FUJITSU TEN TECH. J. NO.33(2009) 2 Development of 09CY Audio Platform Akira YOSHIDA Hirokazu MATSUNAGA Teruaki HAYASHI Kiyotaka NAKAGAWA Yoshikazu FUJITA Yasuhiro YAMAKAWA Abstract With the development of digital technology, the mainstream digital media for use in car AV products has changed: from CD, DVD to HDD. In terms of broadcasting media, various