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Swisslog Holding AG is a globally active Swiss company specializing in automation for warehouses, distribution centers and hospitals. It is headquartered in Buchs/Aargau , Switzerland. Swisslog has 2,500 employees in approximately 20 countries and had revenues of 620.8 million euros in 2015. [ 2 ]
A gas-filled tube, also commonly known as a discharge tube or formerly as a Plücker tube, is an arrangement of electrodes in a gas within an insulating, temperature-resistant envelope. Gas-filled tubes exploit phenomena related to electric discharge in gases , and operate by ionizing the gas with an applied voltage sufficient to cause ...
A pneumatic tube system in Washington, D.C., in 1943. Pneumatic tubes (or capsule pipelines, also known as pneumatic tube transport or PTT) are systems that propel cylindrical containers through networks of tubes by compressed air or by partial vacuum. They are used for transporting solid objects, as opposed to conventional pipelines which ...
ET3 Global Alliance is an American open consortium of licensees that has tried to implement the Evacuated Tube Transport (ET3). It was founded by Daryl Oster in 1997. The stated goal of the consortium was to build a global transportation system using car-sized capsules traveling in 1.5-meter-diameter tubes via frictionless superconductive maglev.
The Anglo-European Mullard–Philips tube designation does include tube use information in the designation. First figure group : indicates heater/filament voltage; 0 means a cold-cathode tube . Letter group : letter(s) indicate the serial order of assignment of the designation; combinations like AB, AC, AD, AE... were used, avoiding same-letter ...
A vacuum-tube computer, now termed a first-generation computer, is a computer that uses vacuum tubes for logic circuitry. While the history of mechanical aids to computation goes back centuries, if not millennia, the history of vacuum tube computers is confined to the middle of the 20th century. Lee De Forest invented the triode in 1906.
The system assigned numbers with the base form "1A21", and this numbering scheme is occasionally referred to by tube collectors and historians as the "1A21 system". The first digit of the type number was 1-9, providing a rough indication of the filament/heater power rating (and therefore the overall power handling capabilities) of the tube.
In 1989, Thyssen bought Telelift GmbH, [3] integrated its own library automation system type "MultiLift" and added the Siemens track system type Simacom VT. [4] In 1999, a Swiss company bought Telelift GmbH and integrated it into their healthcare solutions group. In 2012, Telelift GmbH was sold and is privately owned again. [5]