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Henry Thomas Sampson Jr. (April 22, 1934 – June 4, 2015) was an American engineer, inventor and film historian [1] who created the gamma-electric cell in 1972 — a device with the main goal of generating auxiliary power from the shielding of a nuclear reactor.
In 1970, Amos E. Joel, Jr., a Bell Labs engineer, [22] invented a "three-sided trunk circuit" to aid in the "call handoff" process from one cell to another. His patent contained an early description of the Bell Labs cellular concept, but as switching systems became faster, such a circuit became unnecessary and was never implemented in a system.
In 1986 Cooper co-founded Cellular Payphone Inc. (CPPI), the parent company of GreatCall, Inc., Innovator of the Jitterbug cell phone (in partnership with Samsung). [23] GreatCall is the first complete end-to-end value-added service provider in the cellular industry to focus on simplicity with its primary emphasis on senior citizens.
Henry Sampson (New Zealand cricketer) (1947–1999), New Zealand cricketer; Henry Sampson (physician) (1629–1700), English nonconformist minister and physician; Henry Sampson (provost), Provost of Oriel College, Oxford, 1449–1476; Henry Sampson Woodfall (1739–1805), British printer and journalist; Henry T. Sampson (1934–2015), American ...
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1971: AT&T submitted a proposal for cellular phone service to the U.S. Federal Communications Commission (FCC). 3 April 1973: Motorola employee Martin Cooper placed the first hand-held cell phone call to Joel Engel, head of research at AT&T's Bell Labs, while talking on the first Motorola DynaTAC prototype.
Verified for version 4.4 and later. 1. Open the Settings app. 2. Tap Apps. 3. Tap AOL. 4. Tap Force Stop. 5. If prompted, tap Force Stop again to confirm. 6. Relaunch the app and attempt to reproduce the issue.
The wireless revolution began in the 1990s, [57] [58] [59] with the advent of digital wireless networks leading to a social revolution, and a paradigm shift from wired to wireless technology, [60] including the proliferation of commercial wireless technologies such as cell phones, mobile telephony, pagers, wireless computer networks, [57 ...