digital switching การใช้

• In the same year, the NEAX61 digital switching system went in to service.
• The new digital switching systems will replace equipment currently handling TOT's entire network.
• An antiquated 1930s phone system was replaced with 1990s fiber optics and digital switching.
• It has been supplying digital switching, transmission and management systems to China Railways for 10 years.
• Others lack the digital switching system that allows multitudes of information to travel quickly over phone lines.
• Since then, employees have patented transistors, lasers, solar cells, communications satellites, digital switching and cellular mobile telephones.
• In 1985, Wisconsin Bell began to purchase digital switching equipment from Siemens for its 1.6 million customers.
• This became the first Indian private sector company to manufacture telecom equipments and export digital switching systems.
• Puerto Rico Telephone Co . uses modern digital switching equipment and, it is widely agreed, provides good service.
• Previously, new technology had entered the telecommunications industry slowly, with the telephone companies digital switching until the 1990s.
• One such market, he believes, is the communications sector, which includes the Internet, wireless and digital switching equipment areas.
• The electro-mechanical switching equipment required for their operation was rapidly becoming obsolete, supplanted by electronic and digital switching equipment.
• It was then applied to the entire digital switching family as well as the DMS-1 family of Digital Transmission Concentrators.
• Square waves are universally encountered in digital switching circuits and are naturally generated by binary ( two-level ) logic devices.
• The concepts of digital switching were developed by various labs in the United States and in Europe from the 1930s onwards.
• Augustin had gone to Stanford after three years at AT & T Bell Laboratories, where he worked on high-speed digital switching.
• Carbon nanotube field-effect transistors ( CNTFETs ) can operate at room temperature and are capable of digital switching using a single electron.
• If analog was the first generation and digital switching was the second and digital transmission was the third, this is the fourth.
• Augustin had gone to Stanford after three years at AT & AMP; T Bell Laboratories, where he worked on high-speed digital switching.
• They didn't do it to stop the phreaks, but simply as a matter of course while moving to fully digital switching systems.