Device for detecting presence of mail in letter box for person with reduced mobility, has wireless transmitter card sending information about presence of mail to receiver when mail is inserted into mail insertion opening of letter box

摘要

The device has a detector (2) and a transmitter (3) fixed at the inner top and the inner bottom of a letter box (4), respectively. Five infra-red LEDs (10) are provided at the top and bottom of the letter box, where a wireless transmitter card (9) sends information about the presence of a mail to a receiver inside a home when the mail is inserted into a mail insertion opening (1) of the letter box. The receiver includes a green LED for indicating the powering of the receiver, a yellow LED for indicating the presence of mail, and a red LED for indicating low battery of the receiver.