Communications: electrical – Condition responsive indicating system – Specific condition
Reexamination Certificate
2005-01-04
2005-01-04
Hofsass, Jeffery (Department: 2636)
Communications: electrical
Condition responsive indicating system
Specific condition
C340S573300, C340S870090, C340S870280, C119S719000, C119S721000
Reexamination Certificate
active
06838991
ABSTRACT:
A method and apparatus for testing the proper operation of an electronic pet containment transmitter. The transmitter includes an internal short loop antenna that is used to activate the receiver unit when it is brought into close proximity of the transmitter.
REFERENCES:
patent: 5353744 (1994-10-01), Custer
patent: 5533959 (1996-07-01), Newman et al.
patent: 6431122 (2002-08-01), Westrick et al.
Hofsass Jeffery
Pham Lam
Pitts & Brittian P.C.
Radio Systems Corporation
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