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71History of the telephone — The history of the telephone chronicles the development of electrical technology that enabled bidirectional human speech conversations over distances farther than a person could shout.Telephone prehistoryMechanical devicesBefore the invention of… …
72one-year rule — The rule that requires that a patent application on an invention be filed within one year of the following: any public use of the invention by the inventor; a sale of or offer to sell the invention; or any description of the invention by the… …
73Etheric force — can mean: *An early term invented by Thomas Edison for what is now known to be electromagnetic waves. It is described below. *An alleged unusual type of force field believed in by among some non mainstream religious groups. In the nineteenth… …
74MPEG-2 — Not to be confused with MPEG 1 Audio Layer II (MP2). MPEG 2 is used in Digital Video Broadcast and Digital Versatile Discs. The MPEG transport stream, TS, and MPEG program stream, PS, are container formats. MPEG 2 is a standard for the generic… …
75Prior art — Patent law (patents for inventions) …
76iPod — The current iPod line; from left to right: iPod Shuffle, iPod Nano, iPod Classic, iPod Touch …
77EPC 2000 — The EPC 2000 or European Patent Convention 2000 is the version of the European Patent Convention (EPC) as revised by the Act Revising the Convention on the Grant of European Patents signed in Munich on November 29, 2000. On June 28, 2001, the… …
78Wireless energy transfer — or wireless power is the transmission of electrical energy from a power source to an electrical load without artificial interconnecting conductors. Wireless transmission is useful in cases where interconnecting wires are inconvenient, hazardous,… …
79IPod — Infobox Information appliance name = iPod caption = An assortment of iPod models. From back left to front right: fifth generation iPod classic, fourth generation iPod classic, iPod mini, second generation Product Red iPod nano, second generation… …
80Video camera tube — In older video cameras, before the mid to late 1980s, a video camera tube or pickup tube was used instead of a charge coupled device (CCD) for converting an optical image into an electrical signal. Several types were in use from the 1930s to the… …
