telegraphy,telegraph用来干嘛的

Media inventionsThe key to Edison#39s fortunes was telegraphy With knowledge gained from years of working as a telegraph operator， he learned the basics of electricity This allowed him to make his early fortune with the stock ticker， the first electricitybased broadcast system Edison patented。

Radio这个单词源自于“radio telegraphy”，指的是通过无线电技术进行通信的一种方式现在的radio可能包括广播电视音乐播放器车载收音机等多种形式通过radio，我们可以接收到来自全球各地的新闻音乐娱乐等内容Radio广泛应用于不同领域，如公共事务军事媒体等作为一种快速有效的信息传递工具。

在电话线路中实现的电报传输技术被称为音频复用电报，英文名称为voicefrequency multiplex telegraphy它通过频分复用的方式，有效地在电话网络中进行电报信号的传递对于传统的人工操作，我们有手动电报机，英文名manual telegraph set这是一种专门设计的设备，包括发报电键和收报振荡器，供人员直接操作。

when Edison produced and perfected most of his devices， has been called the Age of EdisonII Early Inventions Edison acquired his knowledge of electricity and telegraphy use of a telegraph system to communicate at a distance as a teenager In 1868， at age 21， he developed a。

现代国际摩尔斯电码是由 Friedrich Clemens Gerke 在1848年发明的，用在德国的汉堡Hamburg和库克斯港Cuxhaven之间的电报通信1865年之后在少量修改之后由国际电报International Telegraphy大会在巴黎标准化，后来由国际电信联盟ITU统一定名为国际摩尔斯电码在今天，国际摩尔斯电码依然被使用着。

现时，在北美地区，Internation Telegraphy仍然维持电报服务，主要针对一些特别喜庆场合，或用作解决法律争议之用而在日本，NTT东日本和西日本仍然为当地民众提供电报服务，主要用于庆祝新人毕业，或丧礼治哀之用，而所传的电报，会按场合以特制的纸和信封印出在英国，英国电讯在2003年，将电报业务拆成一间小公司Telegram。

1 luckly there#39s an hospital nearby， we take him to the hospital right now2 after reached the Mounts George successfully， the captain had sent a wireless telegraphy to the headquarters3 he determained to continue his experiment，but this time he would make it in another way。

CCIT in 1925 for telegraph consultations， and CCIR in 1927 for radio consultations These committees collaborated and in 1956， CCIF and CCIT merged to form CCITT， aiming for more efficient management of telephony and telegraphyIn 1993， during the first World Telecom Standardization Conf。

unleashing a meteoric shower of facts 作为插入语，telegraphy， photography， the rotary press， the telephone， the typewriter， the phonograph， the transatlantic cable， radio waves， movies， the xray， the computer， and the stethoscopenot to mention the penny press， the modern。