House signaling device

Card – picture – or sign exhibiting – Changing exhibitor – Alphanumeric device

Patent

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Details

40450, 40579, 40580, 340715, 340756, 340331, G09F 304

Patent

active

045877530

ABSTRACT:
A mechanism is disclosed that is secured in a frame for holding the indicia forming material and is used to cover a housing that includes a light source which may be controlled through a photoelectric cell. The sheets making up the indicia are formed in such a manner that the characters are all created in a stylized "8" digital format with a centrally located "1" superimposed down the middle of the "8". The "8" characters with the "1" superimposed are diestampted in a separate sheet so that it alone may be changed to change the indicia to be displayed.
The circuit is designed to produce a flashing light under normal conditions to attract an observer. When an emergency is created such as detected by a smoke detector, a red light flasher is seen giving an additional warning at the front of a house.

REFERENCES:
patent: 1786155 (1930-12-01), Farrell
patent: 2068827 (1937-01-01), Tompkins
patent: 3207948 (1965-09-01), Beguin
patent: 4024532 (1977-05-01), Sherwin
patent: 4164824 (1979-08-01), Nidelkoff

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