Search results
Results from the WOW.Com Content Network
The older Philips system [ edit ] Prior to 1934, Phillips numbers were based on a sequence of one letter to indicate filament current range, followed by one or two digits for the filament voltage, then two digits that gave either the amplification factor (for triodes) or a code beginning with 41 to indicate tetrodes, pentodes and so on. [ 11 ]
Most post-war European thermionic valve (vacuum tube) manufacturers have used the Mullard–Philips tube designation naming scheme. Special quality variants may have the letter "S" appended, or the device description letters may be swapped with the numerals (e.g. an E82CC is a special quality version of an ECC82)
The following is a list of CMOS 4000-series digital logic integrated circuits.In 1968, the original 4000-series was introduced by RCA.Although more recent parts are considerably faster, the 4000 devices operate over a wide power supply range (3V to 18V recommended range for "B" series) and are well suited to unregulated battery powered applications and interfacing with sensitive analogue ...
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!
Fluorescent lamps in various embodiments. Since their introduction as a commercial product in 1939, many different types of fluorescent lamp have been introduced. Systematic nomenclature identifies mass-market lamps as to overall shape, power rating, length, color, and other electrical and illuminating characteristics.
TWI: Many of Atmels microcontrollers contain built-in support for interfacing to a two-wire bus, called Two-Wire Interface. This is essentially the same thing as the I²C interface by Philips, but that term is avoided in Atmel's documentation due to trademark issues. USI: Universal Serial Interface (not to be confused with USB). The USI is a ...
A 1956 advertisement for Toshiba's world's first automatic electric rice cooker, priced at 3,200 yen and capable of cooking 900 grams (2.0 lb) of rice. The NJ-N1, developed by Mitsubishi Electric in 1923, was the first electric rice cooker, a direct ancestor of today's automatic electric rice cookers. At that time, electricity was not widely ...
It now features the shield grille styling shared with other vehicles in the Volkswagen range. The updated Touareg has more than 2300 redesigned parts and includes new technological features: ABS Plus, which works in conjunction with the traction control system and shortens the braking distance by up to 25% on loose surfaces;