Geoffrey G. Gouriet: Difference between revisions
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'''Geoffrey George Gouriet''' M.I.E.E joined the Drive Section of the Transmitters Department of the BBC in 1937,<ref>{{cite web|author=Porter, Dave |date=January 2009 |url=http://www.bbceng.info/Technical%20Reviews/drives/tott-drives.pdf |format=PDF |title=Tricks of the Trade |publisher=BBCeng.info}}</ref><ref name="EP358">''Electronics and Power'', Vol 10, #10, p. 358. I.E.E 1964, TK1.I22.</ref> and in 1937/38 he was the inventor of a high stability crystal-controlled variant of the [[Colpitts oscillator]]. With the outbreak of war imminent, his circuit was put to immediate use by the BBC to drive its [[Medium Wave]] broadcast transmitters, allowing the implementation of Britain's wartime single-frequency synchronised radio services from multiple transmitters. This was a technique adopted to try to prevent the [[Luftwaffe]] conducting air raids on British cities using BBC transmitters for navigation. |
'''Geoffrey George Gouriet''' M.I.E.E (9 April 1916 – 1973)<ref>{{cite book|title=Who's who of British Engineers|publisher=Ohio University Press|year=1968|page=236}}</ref> joined the Drive Section of the Transmitters Department of the BBC in 1937,<ref>{{cite web|author=Porter, Dave |date=January 2009 |url=http://www.bbceng.info/Technical%20Reviews/drives/tott-drives.pdf |format=PDF |title=Tricks of the Trade |publisher=BBCeng.info}}</ref><ref name="EP358">''Electronics and Power'', Vol 10, #10, p. 358. I.E.E 1964, TK1.I22.</ref> and in 1937/38 he was the inventor of a high stability crystal-controlled variant of the [[Colpitts oscillator]]. With the outbreak of war imminent, his circuit was put to immediate use by the BBC to drive its [[Medium Wave]] broadcast transmitters, allowing the implementation of Britain's wartime single-frequency synchronised radio services from multiple transmitters. This was a technique adopted to try to prevent the [[Luftwaffe]] conducting air raids on British cities using BBC transmitters for navigation. |
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Due to wartime security measures, Gouriet's oscillator design was kept secret until after WWII. Meanwhile, the same circuit was independently discovered by [[James Kilton Clapp]] of the USA, and published by him in 1948. Gouriet's oscillator is usually known as the [[Clapp oscillator]] as a result, although newer books use the term ''Gouriet-Clapp oscillator''.<ref>{{cite book|author=Grebennikov,A. |title= RF and Microwave Transistor Oscillator Design |publisher=Wiley|year= 2007 |isbn=978-0-470-02535-2}}</ref> |
Due to wartime security measures, Gouriet's oscillator design was kept secret until after WWII. Meanwhile, the same circuit was independently discovered by [[James Kilton Clapp]] of the USA, and published by him in 1948. Gouriet's oscillator is usually known as the [[Clapp oscillator]] as a result, although newer books use the term ''Gouriet-Clapp oscillator''.<ref>{{cite book|author=Grebennikov,A. |title= RF and Microwave Transistor Oscillator Design |publisher=Wiley|year= 2007 |isbn=978-0-470-02535-2}}</ref> |
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In 1943, Gouriet transferred to the BBC's Research Department, and in 1950 he became Head of the Television Section of the Research Department.<ref name="EP358"/> |
In 1943, Gouriet transferred to the BBC's Research Department, and in 1950 he became Head of the Television Section of the Research Department.<ref name="EP358"/> |
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Gouriet presented the Fleming Memorial Lecture for the Royal Television Society twice in February 1954, on the subject of Colour Television.<ref>{{cite web|url=http://www.rts.org.uk/annual-lectures |title=Annual Lectures |publisher=Royal Television Society |accessdate=2012-01-27 |
Gouriet presented the Fleming Memorial Lecture for the Royal Television Society twice in February 1954, on the subject of Colour Television.<ref>{{cite web|url=http://www.rts.org.uk/annual-lectures |title=Annual Lectures |publisher=Royal Television Society |accessdate=2012-01-27}}</ref> |
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In August 1964, Gouriet became head of the BBC Research Department,<ref>{{cite journal|url=http://ieeexplore.ieee.org/Xplore/login.jsp?url=http%3A%2F%2Fieeexplore.ieee.org%2Fiel5%2F5176125%2F5176126%2F05176136.pdf%3Farnumber%3D5176136&authDecision=-203 |title=Divisional Chairmen for 1964-65 |publisher=IEE Explore |journal=Electronics and Power |date=October 1964 |volume=10 |issue=10 |page=358 |issn=0013-5127 |doi=10.1049/ep.1964.0330}}</ref> and held the post until 1969. |
In August 1964, Gouriet became head of the BBC Research Department,<ref>{{cite journal|url=http://ieeexplore.ieee.org/Xplore/login.jsp?url=http%3A%2F%2Fieeexplore.ieee.org%2Fiel5%2F5176125%2F5176126%2F05176136.pdf%3Farnumber%3D5176136&authDecision=-203 |title=Divisional Chairmen for 1964-65 |publisher=IEE Explore |journal=Electronics and Power |date=October 1964 |volume=10 |issue=10 |page=358 |issn=0013-5127 |doi=10.1049/ep.1964.0330}}</ref> and held the post until 1969. |
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In 1972, Gouriet presented the annual [[Royal Institution Christmas Lectures]] entitled "Ripples in the ether: the science of radio communication",<ref>{{cite web| url=http://www.rigb.org/assets/uploads/docs/christmas_lecturer_list.pdf |title=RI Christmas Lecturers |publisher=Royal Institution of Great Britain |accessdate=2012-01-27}}</ref> covering the subjects of Radio and Television broadcasting.<ref>{{cite journal|url=http://books.google.co.uk/books?id=j-yHzTWHOWIC&pg=PA756&lpg=PA756&dq=Geoffrey+Gouriet+BBC&source=bl&ots=ZKU2x0Fre0&sig=dJzrlhl9YwXwBbLziE7ot-h-ie8&hl=en&ei=kmX_TLm5OoGEhQf0_vTKCw&sa=X&oi=book_result&ct=result&resnum=1&ved=0CBYQ6AEwAA#v=onepage&q=Geoffrey%20Gouriet%20BBC&f=false |title=A Groundling's Notebook - All That Fail|author =Gould, Donald |journal=New Scientist (via Google Books) |publisher=|date=28 December 1972 |accessdate=2012-01-27}}</ref> |
In 1972, Gouriet presented the annual [[Royal Institution Christmas Lectures]] entitled "Ripples in the ether: the science of radio communication",<ref>{{cite web| url=http://www.rigb.org/assets/uploads/docs/christmas_lecturer_list.pdf |title=RI Christmas Lecturers |publisher=Royal Institution of Great Britain |accessdate=2012-01-27}}</ref> covering the subjects of Radio and Television broadcasting.<ref>{{cite journal|url=http://books.google.co.uk/books?id=j-yHzTWHOWIC&pg=PA756&lpg=PA756&dq=Geoffrey+Gouriet+BBC&source=bl&ots=ZKU2x0Fre0&sig=dJzrlhl9YwXwBbLziE7ot-h-ie8&hl=en&ei=kmX_TLm5OoGEhQf0_vTKCw&sa=X&oi=book_result&ct=result&resnum=1&ved=0CBYQ6AEwAA#v=onepage&q=Geoffrey%20Gouriet%20BBC&f=false |title=A Groundling's Notebook - All That Fail|author =Gould, Donald |journal=New Scientist (via Google Books) |publisher=|date=28 December 1972 |accessdate=2012-01-27}}</ref> |
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Gouriet died aged 57 in 1973.<ref>{{cite journal|journal=Wireless World|title=G. G. Gouriet|volume=79|year=1973|page=329}}</ref> |
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Gouriet died in 1973. |
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== References == |
== References == |
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| ALTERNATIVE NAMES = |
| ALTERNATIVE NAMES = |
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| SHORT DESCRIPTION = British inventor |
| SHORT DESCRIPTION = British inventor |
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| DATE OF BIRTH = |
| DATE OF BIRTH = 9 April 1916 |
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| PLACE OF BIRTH = |
| PLACE OF BIRTH = |
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| DATE OF DEATH = 1973 |
| DATE OF DEATH = 1973 |
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| PLACE OF DEATH = |
| PLACE OF DEATH = |
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{{DEFAULTSORT:Gouriet, Geoffrey G.}} |
{{DEFAULTSORT:Gouriet, Geoffrey G.}} |
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[[Category:Articles created via the Article Wizard]] |
[[Category:Articles created via the Article Wizard]] |
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[[Category:1916 births]] |
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[[Category:1973 deaths]] |
[[Category:1973 deaths]] |
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[[Category:British inventors]] |
[[Category:British inventors]] |
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Revision as of 18:04, 18 April 2015
Geoffrey George Gouriet M.I.E.E (9 April 1916 – 1973)[1] joined the Drive Section of the Transmitters Department of the BBC in 1937,[2][3] and in 1937/38 he was the inventor of a high stability crystal-controlled variant of the Colpitts oscillator. With the outbreak of war imminent, his circuit was put to immediate use by the BBC to drive its Medium Wave broadcast transmitters, allowing the implementation of Britain's wartime single-frequency synchronised radio services from multiple transmitters. This was a technique adopted to try to prevent the Luftwaffe conducting air raids on British cities using BBC transmitters for navigation.
Due to wartime security measures, Gouriet's oscillator design was kept secret until after WWII. Meanwhile, the same circuit was independently discovered by James Kilton Clapp of the USA, and published by him in 1948. Gouriet's oscillator is usually known as the Clapp oscillator as a result, although newer books use the term Gouriet-Clapp oscillator.[4]
In 1943, Gouriet transferred to the BBC's Research Department, and in 1950 he became Head of the Television Section of the Research Department.[3]
Gouriet presented the Fleming Memorial Lecture for the Royal Television Society twice in February 1954, on the subject of Colour Television.[5]
In August 1964, Gouriet became head of the BBC Research Department,[6] and held the post until 1969.
Gouriet was inaugurated as Chairman of the I.E.E Electronics Division 1964-1965, and his biography was printed in the October 1964 issue of I.E.E Electronics and Power.[3] He was succeeded in this role by Professor Alexander Lamb Cullen for 1965-1966.
In 1972, Gouriet presented the annual Royal Institution Christmas Lectures entitled "Ripples in the ether: the science of radio communication",[7] covering the subjects of Radio and Television broadcasting.[8]
Gouriet died aged 57 in 1973.[9]
References
- ^ Who's who of British Engineers. Ohio University Press. 1968. p. 236.
- ^ Porter, Dave (January 2009). "Tricks of the Trade" (PDF). BBCeng.info.
- ^ a b c Electronics and Power, Vol 10, #10, p. 358. I.E.E 1964, TK1.I22.
- ^ Grebennikov,A. (2007). RF and Microwave Transistor Oscillator Design. Wiley. ISBN 978-0-470-02535-2.
- ^ "Annual Lectures". Royal Television Society. Retrieved 2012-01-27.
- ^ "Divisional Chairmen for 1964-65". Electronics and Power. 10 (10). IEE Explore: 358. October 1964. doi:10.1049/ep.1964.0330. ISSN 0013-5127.
- ^ "RI Christmas Lecturers" (PDF). Royal Institution of Great Britain. Retrieved 2012-01-27.
- ^ Gould, Donald (28 December 1972). "A Groundling's Notebook - All That Fail". New Scientist (via Google Books). Retrieved 2012-01-27.
- ^ "G. G. Gouriet". Wireless World. 79: 329. 1973.