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为了进一步使国内的电视机厂家了解国外彩电的发展趋势及协助国内厂家开发新型多功能彩色电视机,机电部三所与三菱株式会社北京办事处于1991年9月26日在北京联合举办了NEC(日本电气公司)彩电画中画电路及控制画中画系统的遥控电路技术交流会。到会的有机电部通产司、电子行业发展司、微电子司的有关同志及二十多个工厂的30多位代表。到会的代表参观了机电部三所设计开发的单CPU具有屏幕显示的四片专用集成电路的Ⅲ型画中画板。这块画中画板包括视频转换开关等附属电路,印制板的总面积只有110×134(mm),所用的元
In order to further enable domestic TV manufacturers to understand the development trend of foreign color TV sets and assist domestic manufacturers to develop new multifunctional color TV sets, the three M & E offices and Mitsubishi Corporation Beijing Office jointly organized NEC (Beijing) Co., Ltd. on September 26, 1991 in Beijing Nippon Electric Company) color TV picture-in-picture circuit and control the picture-in-picture system remote control circuit technology exchange meeting. At the meeting, more than 30 representatives from the MEPO, Electronics Industry Development Division, Microelectronics Division comrades and more than 20 factories. The delegates to the meeting visited the three type PIP boards of the three electromechanical design and development single CPUs with four ASICs on the screen. This picture-in-picture board includes video conversion switches and other ancillary circuits, the total area of the printed board is only 110 × 134 (mm), the used element