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Datapoint Corporation, originally known as Computer Terminal Corporation (CTC), was a computer company based in San Antonio, Texas, United States.Founded in July 1968 by Phil Ray and Gus Roche, its first products were, as the company's initial name suggests, computer terminals intended to replace Teletype machines connected to time sharing systems.
Salem Clock Company; Hartford, Connecticut; Sangamo Electric Company; Springfield, Illinois (1899–1931) Self Winding Clock Company; New York City, New York (1886-1970) Sempire Clock Company; St.Louis, Missouri (1897-1908) Seth Thomas Clock Company (1807–Present) Sessions Clock Company; Bristol, Connecticut (1903–1969)
The Hertzberg Clock is a historic landmark and visitor attraction [1] located at the corner of N. St. Mary's and Houston streets in the Bexar County city of San Antonio in the U.S. state of Texas. [ 2 ] [ self-published source ] Installed in 1878 in front of Eli Hertzberg Jewelry Company, it was made by E. Howard & Co. of Boston, Massachusetts .
SWTPC also designed and supplied computer terminals, chassis, processor cards, memory cards, motherboards, I/O cards, disk drive systems, and tape storage systems. From the older "TV Typewriter" design a video terminal had evolved the CT-64 terminal system, which was an essential part of many early SWTPC systems.
The clock was powered by an embedded lithium battery, electrically disconnected until power was first applied to retain freshness. The non-replaceable battery had a life expectancy of 10 years. In an Apple II, the No-Slot Clock resided under any 28-pin ROM chip, including one on a peripheral card.
The original engineering building offers multiple computer labs, a microcomputer lab, a lab with Sun Microsystems computers for a course in digital systems design, and two labs for students in practical, hands-on courses. The original building serves as the location for the mechanical engineering faculty offices as well.
Real-time clocks are electronic devices designed to provide system time, and thereby wall-clock time, to a computer system. (Contrast this with clock signals, designed to provide timing for electronics themselves.)
Zamboni's clock had a vertical needle supported by a pivot and was so energy efficient that it could operate on one battery for over 50 years. In 1840, Alexander Bain, a Scottish clock and instrument maker was the first to invent and patent a clock powered by electric current. His original electric clock patent is dated October 10, 1840.