際際滷

際際滷Share a Scribd company logo

Lecture-01.pptx

Download as PPTX, PDF
Parasharam pawar
Parasharam pawar

This document provides an overview of the evolution of radio. It discusses how radio works by transmitting and receiving electromagnetic waves, and how these waves are converted into sounds that humans can hear. The document then outlines some of the major developments in radio, including the first radiotelegraph services between Hawaiian islands in 1901 and the establishment of the Radio Corporation of America in 1919 to distribute radio patents. The overall goal of the unit is to understand the concept and history of radio and its importance for human communication.

1 of 26
Download to read offline
Unit-01: Growth of Radio Lecture-01: What is Radio? Evolution of Radio
Out come of the unit: Recall1 growth of Radio Sub Topic:What is Radio? Evolution of Radio Objective:At the end of this sub topic students will able to -The concept of Radio -History of of radio -Need and importance of radio in human life
-The transmission and reception of electromagnetic waves of radio frequency - Radio, sound communication by radio waves. - The radio receives electromagnetic waves from the air that are sent by a radio transmitter. - The radio receives electromagnetic waves from the air that are sent by a radio transmitter.
- -Electromagnetic waves are a combination of electrical and magnetic fields that overlap. -The radio converts these electromagnetic waves, called a signal into sounds that humans can hear. -The wireless transmission and reception of electric impulses or signals by means of electromagnetic waves -The use of these waves for the wireless transmission of electric impulses into which sound is converted
Lecture-01.pptx
Lecture-01.pptx
Lecture-01.pptx
Department of J&MC 8
Department of J&MC 9
Department of J&MC 10
Department of J&MC 11
Department of J&MC 12
Department of J&MC 13
Department of J&MC 14
Department of J&MC 15 - 1901 - A radiotelegraph service was instituted between five hawaiian islands - 1903 - A Marconi station located at Wellfleet, Massachusetts carries an exchange between President Theodore Roosevelt and King Edward VII -1905 - The naval battle of Port Arthur in the Russo-Japanese war was reported by wireless -1906 - The US Weather Bureau experiment with radiotelegraphy to speed up notice of weather conditions -1909 - Robert E. Peary, Arctic explorer, radio telegraphed : I found the Pole -1912 - The first Transpacific radiotelegraph service is linked between San Francisco and Hawaii
4/9/2023 Department of J&MC 16
Department of J&MC 17
Department of J&MC 18
Department of J&MC 19 In 1919, after the government released its control of all patents, the Radio Corporation of America (RCA) was established with the purpose of distributing control of the radio patents that had been restricted during the war
Department of J&MC 20
Department of J&MC 21
Department of J&MC 22
4/9/2023 Department of J&MC 23
4/9/2023 Department of J&MC 24
Department of J&MC 25
Department of J&MC 26 Reference: Radio in New Avtaar (AM to FM) Dr. Ambrish Saxena

More Related Content

Lecture-01.pptx

  • 1. Unit-01: Growth of Radio Lecture-01: What is Radio? Evolution of Radio
  • 2. Out come of the unit: Recall1 growth of Radio Sub Topic:What is Radio? Evolution of Radio Objective:At the end of this sub topic students will able to -The concept of Radio -History of of radio -Need and importance of radio in human life
  • 3. -The transmission and reception of electromagnetic waves of radio frequency - Radio, sound communication by radio waves. - The radio receives electromagnetic waves from the air that are sent by a radio transmitter. - The radio receives electromagnetic waves from the air that are sent by a radio transmitter.
  • 4. - -Electromagnetic waves are a combination of electrical and magnetic fields that overlap. -The radio converts these electromagnetic waves, called a signal into sounds that humans can hear. -The wireless transmission and reception of electric impulses or signals by means of electromagnetic waves -The use of these waves for the wireless transmission of electric impulses into which sound is converted
  • 15. Department of J&MC 15 - 1901 - A radiotelegraph service was instituted between five hawaiian islands - 1903 - A Marconi station located at Wellfleet, Massachusetts carries an exchange between President Theodore Roosevelt and King Edward VII -1905 - The naval battle of Port Arthur in the Russo-Japanese war was reported by wireless -1906 - The US Weather Bureau experiment with radiotelegraphy to speed up notice of weather conditions -1909 - Robert E. Peary, Arctic explorer, radio telegraphed : I found the Pole -1912 - The first Transpacific radiotelegraph service is linked between San Francisco and Hawaii
  • 19. Department of J&MC 19 In 1919, after the government released its control of all patents, the Radio Corporation of America (RCA) was established with the purpose of distributing control of the radio patents that had been restricted during the war
  • 26. Department of J&MC 26 Reference: Radio in New Avtaar (AM to FM) Dr. Ambrish Saxena

Editor's Notes

  • #9: Departmental Presentations-Term Commencement Preparation-Classroom Arrangement, Faculty Seating Arrangement, Time Table, Faculty, Workload Distribution, Stationary availability-HoD's Presentations
  • #10: Departmental Presentations-Term Commencement Preparation-Classroom Arrangement, Faculty Seating Arrangement, Time Table, Faculty, Workload Distribution, Stationary availability-HoD's Presentations
  • #11: Departmental Presentations-Term Commencement Preparation-Classroom Arrangement, Faculty Seating Arrangement, Time Table, Faculty, Workload Distribution, Stationary availability-HoD's Presentations
  • #12: Departmental Presentations-Term Commencement Preparation-Classroom Arrangement, Faculty Seating Arrangement, Time Table, Faculty, Workload Distribution, Stationary availability-HoD's Presentations
  • #13: Departmental Presentations-Term Commencement Preparation-Classroom Arrangement, Faculty Seating Arrangement, Time Table, Faculty, Workload Distribution, Stationary availability-HoD's Presentations
  • #14: Departmental Presentations-Term Commencement Preparation-Classroom Arrangement, Faculty Seating Arrangement, Time Table, Faculty, Workload Distribution, Stationary availability-HoD's Presentations
  • #15: Departmental Presentations-Term Commencement Preparation-Classroom Arrangement, Faculty Seating Arrangement, Time Table, Faculty, Workload Distribution, Stationary availability-HoD's Presentations
  • #16: Departmental Presentations-Term Commencement Preparation-Classroom Arrangement, Faculty Seating Arrangement, Time Table, Faculty, Workload Distribution, Stationary availability-HoD's Presentations
  • #17: Departmental Presentations-Term Commencement Preparation-Classroom Arrangement, Faculty Seating Arrangement, Time Table, Faculty, Workload Distribution, Stationary availability-HoD's Presentations
  • #18: Departmental Presentations-Term Commencement Preparation-Classroom Arrangement, Faculty Seating Arrangement, Time Table, Faculty, Workload Distribution, Stationary availability-HoD's Presentations
  • #19: Departmental Presentations-Term Commencement Preparation-Classroom Arrangement, Faculty Seating Arrangement, Time Table, Faculty, Workload Distribution, Stationary availability-HoD's Presentations
  • #20: Departmental Presentations-Term Commencement Preparation-Classroom Arrangement, Faculty Seating Arrangement, Time Table, Faculty, Workload Distribution, Stationary availability-HoD's Presentations
  • #21: Departmental Presentations-Term Commencement Preparation-Classroom Arrangement, Faculty Seating Arrangement, Time Table, Faculty, Workload Distribution, Stationary availability-HoD's Presentations
  • #22: Departmental Presentations-Term Commencement Preparation-Classroom Arrangement, Faculty Seating Arrangement, Time Table, Faculty, Workload Distribution, Stationary availability-HoD's Presentations
  • #23: Departmental Presentations-Term Commencement Preparation-Classroom Arrangement, Faculty Seating Arrangement, Time Table, Faculty, Workload Distribution, Stationary availability-HoD's Presentations
  • #24: Departmental Presentations-Term Commencement Preparation-Classroom Arrangement, Faculty Seating Arrangement, Time Table, Faculty, Workload Distribution, Stationary availability-HoD's Presentations
  • #25: Departmental Presentations-Term Commencement Preparation-Classroom Arrangement, Faculty Seating Arrangement, Time Table, Faculty, Workload Distribution, Stationary availability-HoD's Presentations
  • #26: Departmental Presentations-Term Commencement Preparation-Classroom Arrangement, Faculty Seating Arrangement, Time Table, Faculty, Workload Distribution, Stationary availability-HoD's Presentations
  • #27: Departmental Presentations-Term Commencement Preparation-Classroom Arrangement, Faculty Seating Arrangement, Time Table, Faculty, Workload Distribution, Stationary availability-HoD's Presentations