Device for generating calling vibrations or calling sounds in ce

Details Device for generating calling vibrations or calling sounds in ce Device for generating calling vibrations or calling sounds in ce

1997-09-24

1999-09-21

Bost, Dwayne D.

Telecommunications

Transmitter and receiver at separate stations

455567, 455 312, 34082546, 3404071, 381396, H04B 700, H04B 138

Patent

active

059566221

ABSTRACT:
An integrated device for selectively generating calling vibrations or calling sounds in cellular or pager phones is disclosed. In the device, two vibration members are set in the upper and lower portions of a casing, respectively. The two vibration members respectively respond to low and high frequencies applied from the PCB of a phone to the coil of an electromagnet, thus generating calling vibrations and calling sounds. The device thus selectively generates calling vibrations or calling sounds in accordance with a selected mode. The device of this invention has a simple construction with a reduced number of elements, thus simplifying the production process and reducing the production cost of cellular or pager phones. The device also accomplishes the recent trend of compactness, thinness and lightness of such phones.

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