Editing 1927 in television (section)

==Global television events==
{| width=100% class="wikitable"
|- bgcolor="#CCCCFF" align="left"
! Month !! Day !! Event
|- valign="top"
| January || 07 || [[Philo Farnsworth]] applies for an [[image dissector|image dissector tube]] patent, which used [[caesium]] to produce images electronically.<ref name="Burns">{{cite book| title = Television: An International History of the Formative Years| last = Burns|first= R. W. | publisher = [[Institute of Electrical Engineers]] (History of Technology Series 22) in association with the [[Science Museum, London|Science Museum]] (UK) | year = 1998 | isbn = 978-0-85296-914-4 | pages = 358–361 | url = https://books.google.com/books?id=gZcwhVyiMqsC&dq=Dieckmann+Hell+image-dissector-tube+aperture+Farnsworth&pg=PA358 }}</ref><ref name=US1773980>[https://patents.google.com/patent/US1773980 Farnsworth, Philo T., ''Television System'']. Patent No. 1,773,980, U. S. Patent Office, filed 1927-01-07, issued 1930-04-26. Retrieved 2010-03-12.</ref>
|- valign="top"
| April || 07 || [[Bell Labs|Bell Telephone Company]] transmits a speech by [[United States Secretary of Commerce|U.S. Secretary of Commerce]] [[Herbert Hoover]] 320&nbsp;kilometers over telephone lines, which becomes the first successful long distance demonstration of television. Experimental station [[3XN]] in [[Whippany, New Jersey|Whippany]], New Jersey is used to transmit 1,575&nbsp;[[kilohertz|kHz]] video and 1,450&nbsp;kHz radio. The system uses a [[flying-spot scanner]], and is seen on [[Nipkow disc]] receivers with two-inch, 50-line images, and on a two-foot neon tube display. It was developed by [[Herbert Ives|Herbert E. Ives]] and [[Frank Gray (researcher)|Frank Gray]]. Edna Mae Horner, an operator at the [[Chesapeake and Potomac Telephone Company]], assisted the transmission and became the first woman on television; she helped guests in Washington, D.C., exchange greetings with the audience in New York.<ref name=":0">{{Cite web |date=2011-03-20 |title=History of AT&T Television&#058; First Woman on U.S. Television{{!}} History |url=http://www.corp.att.com/history/television/horner.html |access-date=2024-05-08 |archive-url=https://web.archive.org/web/20110320212830/http://www.corp.att.com/history/television/horner.html |archive-date=March 20, 2011 }}</ref> Throughout the presentation, viewers in New York could see and hear Edna.<ref name=":0" />
|- valign="top"
| rowspan="2" valign="top"| May
|      23 || The first demonstration of television before a large audience. Nearly 600&nbsp;members of the [[American Institute of Electrical Engineers]] and the [[Institute of Radio Engineers]] view the demonstration at the [[Bell Telephone Laboratories|Bell Telephone Building]] in New York City.
|- valign="top"
|      24 || [[John Logie Baird]] transmits a television signal from London to [[Glasgow]] by telephone line.
|- valign="top"
| rowspan="2" valign="top" |September
|      07 || Philo Farnsworth achieves an experimental electronic television image, of a straight line, at his laboratory at 202 Green Street in San Francisco.<ref>[http://www.farnovision.com/media/first_picture.html Farnsworth first electronic video image] {{Webarchive|url=https://web.archive.org/web/20120805001929/http://www.farnovision.com/media/first_picture.html |date=August 5, 2012 }}.</ref>
|- valign="top"
|      20 || John Logie Baird demonstrates the first ever system for recording television. His [[Baird Phonovision VideoDisc Apparatus|Phonovision VideoDisc apparatus]] records 30-line television pictures and sound on conventional 78&nbsp;[[revolutions per minute|rpm]] [[phonograph|gramophone]] records.
|}