H - Electricity
04
B
H04B 1/16 (2006.01) G08B 3/10 (2006.01) H04B 1/08 (2006.01) H04Q 7/16 (2006.01)
Patent
CA 2061385
A radio pager capable of changing the reception frequency thereof, as desired, and having a replaceable crystal oscillator. A reception frequency selecting device selects one of call signals having a plurality of predetermined frequencies which matches the crystal oscillator. A casing is formed with a first opening for allowing the crystal oscillator to be selectively attached to or detached from a printed circuit board, and a second opening for allowing the oscillator to be selectively inserted into or pulled out of the casing.
Ishiguro Tetsumi
Kudoh Kazuhiro
Corporation Nec
Smart & Biggar
LandOfFree
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