Edward W. Kellogg was the joint inventor of the moving coilloudspeaker in 1925 along with Chester W. Rice at General Electric, and independently by Edward Wente at Bell Labs. Kellogg also patented an electrostatic loudspeaker in 1934. For other uses, see Inventor (disambiguation). ... A coil is a series of loops. ... âLoudspeakerâ redirects here. ... Joint inventor of the moving coil loudspeaker along with Edward W. Kellog. ... GE redirects here. ... Bell Laboratories (also known as Bell Labs and formerly known as AT&T Bell Laboratories and Bell Telephone Laboratories) was the main research and development arm of the United States Bell System. ...
Kellogg was the first director of the GE Advanced Technology Laboratory in Schenectady, New York, which later became a part of RCA Victor in Camden, New Jersey (and is now part of Lockheed Martin). Kellogg also was also the first head of their Photophone development group. Union Colleges Nott Memorial, one of the most recognized buildings in Schenectady Schenectady (IPA ) is a city in Schenectady County, New York, United States, of which it is the county seat. ... Sony BMG Music Entertainment is the result of a 50/50 joint venture between Sony Music Entertainment (part of Sony) and BMG Entertainment (part of Bertelsmann AG) completed in August 2004. ... The City of Camden is the county seat of Camden County, New Jersey in the United States. ... Lockheed/BAE/Northrop F-35 Lockheed Trident missile C-130 Hercules; in production since the 1950s, now as the C-130J Lockheed Martin (NYSE: LMT) is an aerospace manufacturer formed in 1995 by the merger of Lockheed Corporation with Martin Marietta. ... The photophone was originally invented jointly by Alexander Graham Bell and his assistant Sumner Tainter on February 19, 1880. ...