Curbside mailbox signal
First Claim
1. A curbside mailbox signal for use on a mailbox having a door, comprising a first casing enclosing power means, an r.f. transmitter and a first antenna, a switch operable to be closed upon opening of the door to energize said transmitter from said power means to emit a signal from said first antenna and means for attaching said first casing to the inside of said door, whereby when said door is opened said first antenna is exposed exteriorly of said mailbox;
- and a second casing adapted to be positioned remote from said first casing comprising an r.f. receiver having a second antenna tuned to said first antenna, and a power source for said receiver and signal emitting means enabled by said receiver upon receipt of a signal from said transmitter;
said mailbox being characterized by the absence of an external antenna.
1 Assignment
0 Petitions
Accused Products
Abstract
A signal device is mounted on the inside of the door of a curbside mailbox. Opening and then closing the door closes a switch (mechanical switch, gravity actuated, a mercury switch or a photo diode) to emit a radio signal. A receiver in the residence, when actuated by the radio signal, notifies the occupant by an audible and/or visual signal.
37 Citations
6 Claims
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1. A curbside mailbox signal for use on a mailbox having a door, comprising a first casing enclosing power means, an r.f. transmitter and a first antenna, a switch operable to be closed upon opening of the door to energize said transmitter from said power means to emit a signal from said first antenna and means for attaching said first casing to the inside of said door, whereby when said door is opened said first antenna is exposed exteriorly of said mailbox;
- and a second casing adapted to be positioned remote from said first casing comprising an r.f. receiver having a second antenna tuned to said first antenna, and a power source for said receiver and signal emitting means enabled by said receiver upon receipt of a signal from said transmitter;
said mailbox being characterized by the absence of an external antenna. - View Dependent Claims (2, 3, 4, 5, 6)
- and a second casing adapted to be positioned remote from said first casing comprising an r.f. receiver having a second antenna tuned to said first antenna, and a power source for said receiver and signal emitting means enabled by said receiver upon receipt of a signal from said transmitter;
Specification