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The Light Phone is a brand of mobile phones by The Light Phone, Inc., a startup company in Brooklyn, New York, founded by Joe Hollier and Kaiwei Tang, which creates technology products advertised as "designed to be used as little as possible". [3]
A photophone receiver and headset, one half of Bell and Tainter's optical telecommunication system of 1880. The photophone was similar to a contemporary telephone, except that it used modulated light as a means of wireless transmission while the telephone relied on modulated electricity carried over a conductive wire circuit.
The phone was introduced without containing a ringer, but an external ringer box could be added. Early versions of the Princess, those not containing a ringer, had the model number 701B. Customers complained that the phone was so light that it would slide on surfaces while dialing, so an optional lead weight was added to fill the space intended ...
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The Motorola MicroTAC is a cellular phone first manufactured as an analog version in 1989. GSM-compatible and TDMA/Dual-Mode versions were introduced in 1994. The MicroTAC introduced a new "flip" design, where the "mouthpiece" folded over the keypad, although on later production the "mouthpiece" was actually located in the base of the phone, along with the ringer.
The early Trimline and Princess incandescent lamps were rated at 6.3 volts and 0.25 amperes and the transformer output is approximately 6–8 volts AC. Later Trimline versions had LED light sources, powered directly from the phone line, and the last Western Electric-made Princess version had no dial light.
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With the addition of an optional face plate, when the phone is waved back and forth rapidly, a light message of text is produced in mid-air. An FM radio can be added on with the use of the phone's Pop-Port. The 3220 features a 16-bit (65,536) color screen, which is an improvement over the 3200's 12-bit (4096) color screen.