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The Telephone Cases, 126 U.S. 1 (1888), were a series of U.S. court cases in the 1870s and the 1880s related to the invention of the telephone, which culminated in an 1888 decision of the U.S. Supreme Court that upheld the priority of the patents belonging to Alexander Graham Bell.
The telephone network in Iloilo City was operational by June 1, 1894. [2] The Philippine Islands Telephone and Telegraph Company is American-owned which started operations in 1905 in the present-day Metro Manila. In 1928, merged with Cebu, Panay, and Negros Telephone and Telegraph companies to form the Philippine Long Distance Telephone Company ...
Gregorio Ynciong Zara (8 March 1902 – 15 October 1978) [1] was a Filipino engineer, physicist, a National Scientist, and inventor. He was known as the father of videoconferencing [2] for having invented the first two-way videophone.
The name on the first telephone patent, which was granted on March 7, 1876, reads "A.G. Bell" -- Alexander Graham Bell. The reality of its invention is much Innovation, Intrigue, Subterfuge, and ...
Alexander Graham Bell's telephone patent [87] drawing, March 7, 1876. Meanwhile, Elisha Gray was also experimenting with acoustic telegraphy and thought of a way to transmit speech using a water transmitter. On February 14, 1876, Gray filed a caveat with the U.S. Patent Office for a telephone design that used a water transmitter. That same ...
After the creation of the telephone itself, Watson invented many accessories for it. Most important was the ringer, which would alert someone not standing by the telephone that a call was being placed. The first version involved a hammer, which had to hit the diaphragm; [5] this was followed by a version employing a buzzer. [6]
The master telephone patent granted to Bell, 174465, March 7, 1876. The modern telephone is the result of the work of many people. [10] Alexander Graham Bell was, however, the first to patent the telephone, as an "apparatus for transmitting vocal or other sounds telegraphically".
Pedro Edralin Flores (26 April 1896 – 3 January 1964) [1] was a Filipino businessman and yo-yo maker who has been credited with popularizing yo-yos in the United States.He patented an innovation to yo-yos that used a loop instead of a knot around the axle, allowing for new tricks such as the ability to "sleep".