Archive Eepn Com Cluster Common Eepn Images Articles 13978
Archive Eepn Com Cluster Common Eepn Images Articles 13978
Archive Eepn Com Cluster Common Eepn Images Articles 13978
Archive Eepn Com Cluster Common Eepn Images Articles 13978
Archive Eepn Com Cluster Common Eepn Images Articles 13978

Tiny Module Adds Four Functions To Cell Phones

April 1, 1999

In a tiny, compact module measuring only 5.5 mm thick x 17 mm in diameter and weighing just 3.1 grams designers of cellular telephones and pagers have a device that can provide four different functions: ringing, vibration, and a speaker and receiver functions for both hands-on and hands-free operation. Called Multiactor, the device uses its own casing as the sound and vibration source. Multiactor is said to emit a natural-sounding ring with less directionality and to create stronger low frequency vibrations compared to existing devices- i.e., 135 vs. 180 Hz- with the improved lows reportedly providing excellent voice reproduction. In addition, a signal input switching scheme among the modes eliminates mechanical switching. There are no moving parts. Maximum input power is 1W and the working temperature range is -40°C to 85°C.

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