[today in history] June 12: the United States entered the era of digital television; Mozilla's original developer was born; 3com merges with American Robotics

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It's today 2022 year 6 month 12 Japan , stay 1992 Years of today , China has developed a Chinese character handheld microcomputer . Zhenzhong computer disk company of Chinese Academy of Sciences successfully developed a Chinese character handheld computer 30 years ago today ZZ501B; This computer has only 19.5 centimeter , wide 8.6 centimeter , It has the general functions and Chinese and English display functions possessed by the microcomputer . The handheld computer can communicate with the microcomputer 、 Drive the printer and communicate remotely via a modem , It also has low power consumption 、 Low voltage alarm 、 Automatic shutdown 、 Real time clock and below zero 24 Characteristics of working in low temperature environment of degrees Celsius . Review the history of science and technology 6 month 12 Japan , What other inventions did you expect to make on this day ？

1985 year 6 month 12 Japan ：Mozilla Firefox The original developer of Blake Ross born

Picture source ： Wikipedia

Blake · Ross （Blake Ross） Born in 1985 year 6 month 12 Japan , He is Mozilla Firefox One of the original developers of , The American media gave him “ Talented teenager ” The title of . Rose has set up his own website since he was ten years old 、 And design their own applications and online games . When Rose was fourteen , Got in Silicon Valley Netscape Company internship opportunities , He works at home Netscape Testers of the company's browser software , And can debug for the browser , During this period, I learned about non-profit organizations advocating network innovation and multiple choices Mozilla The foundation . When I was only seventeen , Ross and Dave, another software engineer · Hayat started writing a new browser , namely Firefox The prototype of the .

Ross and Hayat will Mozilla Suite Software eliminates the pitfalls , Leave only the most essence , In order to make the browser run more efficiently . It is worth mentioning that , Ross developed Mozilla The biggest driving force of the browser , It was his mother who was right Internet Explorer The user experience is very frustrating and disappointing . And because the software is open source licensed , All volunteers who are interested in joining the development team can join the development team together . Rose said ：“ I have some good memories , Is to stay all night Netscape See how people react to our software comments .”

Well known science and technology magazines 《Business 2.0》 Call this browser developed by Ross “ Microsoft's biggest nightmare ”, And praised rose as a software genius . Rose's mother revealed , Ross is not only a computer whiz , I also play the piano very well , But also “ An amazing writing wizard ”. Ross is addicted to video game simulation city at the age of seven , In the video game world , Build your own ideal Utopia . Ross emphasizes , He is just Firefox One of the promoters of , input Mozilla The huge ranks of volunteers are the real heroes behind the scenes ,2003 year , Ross began his major in information technology at Stanford University , Officially become Mozilla One of our volunteers , Committed to developing open source programs .

Firefox On 2004 year 11 Published in , At that time Ross 19 year ,Firefox Quickly seized Microsoft's Internet Explorer Market share , It was downloaded in less than a year 1 100 million times . And then , Ross and another former Netscape staff Joe Hewitt Started a new company , Start to develop a device that can integrate the desktop and Web The difference between the elimination of procedures Parakey. Not long after ,2007 year 7 month 20 Japan ,BBC reports Facebook Acquired Parakey.2013 Beginning of the year , Ross leaves Facebook Pursue other interests .2016 year , Ross found out that he had a disease called aphasia , It's a rare condition where you can't imagine anything .2019 year 1 month , Ross joins Uber, Be responsible for participating in the formulation of the company's product strategy .

source ： Wikipedia

1997 year 6 month 12 Japan ：3Com Merge with the American robot company

Picture source ： Wikipedia

1997 year 6 month 12 Japan ,3Com Corp. and US Robotics Corp. Finished merging .3Com CEO Eric Benhamou When describing the largest business transaction in the network industry so far, he said ：“3Com and US Robotics The combination of has created a network power for the sustainable development of enterprise and operator networks , It also helped usher in a new era of simplicity . , Provide fast network access for small businesses and consumers .” US Robotics Our focus is on remote access to networks and modems , and 3Com Focus on network interface card and network system independently .

In the lucrative server network interface card （NIC） In business , After the merger 3Com Occupy market share , So that Intel can surpass after a sharp price cut 3Com. And then ,3Com Trying to enter the smart consumer electronics business ,2000 year 6 month ,3Com With 8000 Million dollars to acquire Internet broadcasting start-up company Kerbango .2000 year 3 month ,3Com Exit the high-end core router and switch market , Instead, focus on other business areas .2010 year 4 month 12 Japan , HP has completed the 3Com Acquisition , No longer exists as a separate entity ;3COM Products 、 Support and technology eventually merged into HPE Of Aruba Networks Business unit , And later in the same year, it was split into HPE.

source ： Wikipedia

2009 year 6 month 12 Japan ： The United States stopped broadcasting analog signals , Start using HDTV

Picture source ： Wikipedia

In the history of ,“ High definition television ”（HDTV） The word has been used as 1930 TV standard developed in , To replace the early test system . Although after that fero · Farnsworth 、 John · Roger · Baird and Vladimir · Zorikin developed different TV systems , But resolution is not the main indicator to distinguish their technology . At two 、 The late 1930s brought only patent disputes and lawsuits to the noisy market . Most patents have basically expired after World War II , There is no uniform television standard in the whole world , The market is blank ,PAL、NTSC、SECAM And other analog signal standards have been used for more than half a century .

Congress of the United States on 2005 A bill was passed at the end of the year , Officially approved the transformation of American analog TV signals into digital signals . The TV sets sold in the U.S. market are initially equipped with analog and digital dual tuners , Gradually become fully digitized .2006 year ,HDTV Become the standard of digital TV industry . from 2007 year 3 Month begins , There is no trace of analog signal TV in the TV sets sold by American businesses . meanwhile , The United States also began to restrict the import of analog signal television sets .

In China, , CCTV from 2006 year 1 month 1 On the th, the Asia 4 satellite was officially adopted to broadcast a paid high-definition TV channel to the whole country ; CCTV wants to use this high-definition channel to broadcast 2008 The 2008 Beijing Olympic Games , However, due to poor earnings , Forced to stop broadcasting . in fact , from 21 At the beginning of the th century, China vigorously promoted the conversion from TV analog signal to digital signal , The original plan was to 2015 In, analog signals were turned off nationwide , Later changed to 2020 year . however , China's land is too rich , Until now, there may still be some old TV sets in the family collection that can receive analog signals , Some hotels may also convert digital signals into analog signals for transmission , To save cost . Do you still have an old TV set in your home today ？ Welcome to share your insights in the comments area .

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