1. Professional Communications
Communication History
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Trade & Industrial Education

2. What is Communication? Communication Verbal communication
The process of creating and exchanging meaning through symbolic interaction.
Verbal communication
Communication in the form of spoken or written words.
Nonverbal communication
Communication in the form of gestures, eye contact, or tone of voice.
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3. Non Verbal: Sound
Drums were one way to send signals to neighboring tribes and groups. Different drumming patterns would tell them of concerns and events they needed to know.
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4. Non Verbal: Smoke Signals
Smoke signals were another way to send messages to people who were not close enough to use words. 
Milk
Home
Bring
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5. Verbal Storytelling
Before the written word, storytelling was a way for families and communities to pass on information.
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6. Communication History
Timeline
Speech
Cave Drawings
Petroglyphs
Pictograms
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7. Speech
Speech is the expression of, or the ability to express thoughts and feelings by articulate sounds. Human communication was revolutionized by speech.
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8. Symbols
Symbol - Something that represents or stands for something else
The imperfection of speech resulted in the creation of new forms of communication, improving both the range at which people could communicate and the longevity of the information.
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9. Cave Drawings
Around 30,000 BC murals were painted on cave walls that told stories of battles, hunts, and culture.
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10. Petroglyphs
Around 10,000 BC images were created by removing part of a rock surface by incising, pecking, carving, and abrading.
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11. Pictograms
9,000 BC saw the development of pictures that represent an object or an idea.
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12. Ideogram
A written character that symbolizes the idea of a thing without indicating the sounds used to say it, e.g., numerals and Chinese characters.
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13. Writing
a sequence of letters, words, or symbols marked on paper or other surface
appeared around 2700 BC
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14. Alphabet a set of letters or symbols in a fixed order
used to represent the basic sounds of a language
in particular, the set of letters from A to Z
1700 BC
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15. The Printing Press
Johann Gutenburg invented an actual printing press in 1454.
He was the first to use a movable type press to print the Bible, the oldest
full length book printed.
From Gutenburg's press in
Mainz, Germany, printing
spread all over Europe
(School, Religion, the Arts).
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16. RESULTS OF THE PRINTING PRESS
1. Increased the speed of the written word to the common man on a cheaper basis.
2. Which led to the increase in the desire for education (teach me to read) and the increase in knowledge (discovering the ancient classics).
3. The increase in knowledge led to the “big push” in culture, otherwise known as THE RENAISSANCE-The Rebirth of Knowledge-for the Arts, Sciences, and Literature.

17. The Final Result of The Printing Press
The Protestant Reformation
1. Better informed people paid attention to what was going on around them, including religion.
2. Fr. Martin Luther – Indulgences protest of 1517 & the “95 Theses”.
3. The beginning of the first Christian faiths outside the Roman Catholic Church.

18. Typewriter
In 1714 an Englishman, Henry Mill, received the first patent for a typewriter.
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19. Telegraph 1831 Joseph Henry invents the first electric telegraph.
1832 Samuel Morse invents Morse Code.
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20. IV. THE TELEGRAPH 1. Inventors & Dates –
a – William Sturgenon discovered the electromagnet.
b – Joseph Henry sent an electronic current over one mile to activate an electromagnet which caused a bell to strike.
2. Samuel Morse (1835) proved the use of sound signals to represent letters to form worded messages.
* Worked with Congress to have the first telegraph line
constructed from Washington D.C. to Baltimore,
Maryland in 1838
3. First time the “barriers of time and space” were broken.
*Useful was truly proved during the Civil War.

21. Telephone
Alexander Graham Bell invented the telephone in Boston in One hundred twenty years later there are over 360 million telephone numbers, and that figure grows each year.
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22. V. The Telephone 1. Alexander Graham Bell (March 10, 1876) Why?
He was looking for a cure or aid. His wife and mother were both deaf.
2. Continued to break the “barrier of time and space”, but now, VOICE and SOUND have been added. You could now “talk with electricity”.

23. VI. RADIO – invented by Nikola Tesla (1892)
1. Wireless communication was improved on during the 1910’s and 20’s, especially for war and entertainment.
the human voice was transmitted by radio.
3. By 1935 using wire and radio circuits, the first phone call was made around the world.
4. Continued to break “the barriers of time and space”, but now, the voice and sound are reaching hundreds, and thousands, and millions of people at the same time – MASS COMMUNICATION.

24. VII. TELEVISION-1907 the Cathode Ray Tube was invented by V. Zworykin
Jenkins and Baird of Scotland transmitted silhouette images.
The FRC issued the 1st TV license (W3XK).
3. The first “real” use showed up at the Chicago World’s Fair in 1939 for the general public.
4. TV, as a business, took hold by 1948, but thanks to “I Love Lucy” and “The Milton Berle Show” in 1951, it became a strong commercial enterprise and competition for movies.
5. TV was Mass Communication at it’s best – vocal, verbal, and nonverbal (NOW WE CAN SEE IT!).

25. Computer
1951, The first commercially available, “mass produced” electronic computer entered the market
The computer was manufactured in the United States.
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26. VIII. Satellite 1. Sputnik by the Soviets in 1957 scared the U.S.
*U.S. launched our first successful satellite in Delta
2. Satellite communication uses A-Line-a-Site developed by AT&T for the use of its TELSTAR
and RELAY launched in 1962.
3. Encompasses the entire world and other worlds (ex Moon landing).

27. Online Sources
In 1973 a global computer network emerged, providing a variety of information and communication facilities. These interconnected networks use standardized communication protocols (http & www from Arpanet & Stanford).
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28. *Developed the internet protocols that we use today (http:)
IX. Wireless Telephone – The very early Cell Phone: Cooper & broadcasting frequencies AT&T w/ Bell Labs ( in your hand).
X. THE INTERNET (1969) – originally known as ARPANET. The original plan was to connect all U.S. military computers in order to survive a nuclear attack.
*Developed the internet protocols that we use today (
1. With the help of UCLA and Stanford U. , 1972, access to all known knowledge with the whole world on a real time basis – global communication ( by 1994 through the use of the PC.
2. First, the use of telephone land lines – the modem
3. Second, the use of the wireless (router) for the computer internet

29. s
Short for “electronic mail,” is a means of sending messages online. also allows you to send files as attachments to messages.
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Trade & Industrial Education

30. Online calling
Software that allows you to call people on their computers or phones.
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