Christmas tree smoke detector

Christmas tree smoke detector
US006384732B1
(12) United States Patent
(10) Patent N0.:
US 6,384,732 B1
(45) Date of Patent:
May 7, 2002
Schumer
(54)
CHRISTMAS TREE SMOKE DETECTOR
(76)
Inventor:
Joseph A. Schumer, 3644 W. Oakland
St., Chandler, AZ (US) 85226
(*)
Notice:
Subject to any disclaimer, the term of this
patent is extended or adjusted under 35
U.S.C. 154(b) by 0 days.
(21)
Appl- N05 09/644,741
(22)
Filed.
(51)
(52)
(58)
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5,821,865 A
* 10/1998
4/1997 Stark et a1. ............... .. 340/628
Solak ....................... .. 340/628
.t d b
.
C1 6 y exammer
Primary Examiner—EdWard LefkoWitZ
(74) Attorney) Agent) Or Firm__]oseph N_ Breaux
(57)
ABSTRACT
A smoke detector that is easily attached to the limb of a
Christmas tree that includes a smoke detector circuit and an
Aug 23’ 2000
audible alarm circuit for generating an audible alarm in
Int. Cl.7 .............................................. .. G08B 17/10
US. Cl. ...................... .. 340/ 629; 340/ 628; 340/630
Field of Search ............................... .. 340/628, 629,
340/630
(56)
*
5,625,345 A
References Cited
response to detecting smoke. The smoke detector circuit is
capable of detecting small amounts of smoke and triggering
an alarm. An additional ?re detector element is also provided
in the form of an infrared detector that detects rapid Changes
in infrared levels and generate an activation signal for
causing the speaker to generate an audible alarm. The
housing of the smoke detector has a Christmas decoration
theme so as to not detract from the decorations on the
US. PATENT DOCUMENTS
4,623,878 A
* 11/1986
5,396,221 A *
Christmas tree‘
Schoenwetter ............ .. 340/628
3/1995 Bridges .................... .. 340/628
1 Claim, 4 Drawing Sheets
44
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U.S. Patent
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Sheet 2 0f 4
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10
56
l- 'I
FIG. 2
U.S. Patent
May 7, 2002
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U.S. Patent
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Sheet 4 0f 4
US 6,384,732 B1
US 6,384,732 B1
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2
CHRISTMAS TREE SMOKE DETECTOR
opening, a parallel plate ioniZing smoke detector positioned
in the air ?oW passageWay betWeen the bottom side and the
TECHNICAL FIELD
top side of the opening, an infrared detector operationally
positioned in connection With the infrared detector inlet
The present invention relates to ?re safety devices and
aperture so as to detect infrared radiation levels exteriorly of
more particularly to a Christmas tree smoke detector that
the housing, a pieZo speaker for generating an audible alarm,
includes a housing having a Christmas decorated exterior
and a control circuit in connection With the test sWitch, the
and a hanging hook suitable for supporting the housing from
the limb of a Christmas tree, an air ?oW passageWay
betWeen a bottom side of the housing and a top side of the
housing, an infrared detector inlet aperture formed through
parallel plate ioniZing smoke detector, the infrared detector,
the pieZo speaker and programmed such that the control
10
When the control circuit is triggered by an activation signal
generated by the test sWitch or a loW battery condition, the
parallel plate ioniZing smoke detector or the infrared detec
tor; the smoke detector circuit being poWered by a battery
a bottom side of the housing, a push button test sWitch
opening and a poWer on veri?cation diode opening; and a
smoke detector circuit including a test sWitch operationally
installed through the push button test sWitch opening, a
parallel plate ioniZing smoke detector positioned in the air
15
of the opening, an infrared detector operationally positioned
in connection With the infrared detector inlet aperture so as
suitable for supporting the housing from the limb of a
to detect infrared radiation levels exteriorly of the housing,
a pieZo speaker for generating an audible alarm, and a
control circuit in connection With the test sWitch, the parallel
Christmas tree, an air ?oW passageWay betWeen a bottom
plate ioniZing smoke detector, the infrared detector, the
pieZo speaker and programmed such that the control circuit
control circuit is triggered by an activation signal generated
supply positioned Within the housing.
Accordingly, a Christmas tree smoke detector is provided.
The Christmas tree smoke detector includes a housing
having a Christmas decorated exterior and a hanging hook
?oW passageWay betWeen the bottom side and the top side
causes the pieZo speaker to emit an audible alarm When the
circuit causes the pieZo speaker to emit an audible alarm
25
side of the housing and a top side of the housing, an infrared
detector inlet aperture formed through a bottom side of the
housing, a push button test sWitch opening and a poWer on
veri?cation diode opening; and a smoke detector circuit
including a test sWitch operationally installed through the
push button test sWitch opening, a parallel plate ioniZing
by the test sWitch or a loW battery condition, the parallel
plate ioniZing smoke detector or the infrared detector; the
smoke detector positioned in the air ?oW passageWay
betWeen the bottom side and the top side of the opening, an
smoke detector circuit being poWered by a battery supply
positioned Within the housing.
infrared detector operationally positioned in connection With
the infrared detector inlet aperture so as to detect infrared
radiation levels exteriorly of the housing, a pieZo speaker for
BACKGROUND ART
generating an audible alarm, and a control circuit in con
Christmas tree ?res can erupt and become totally engulfed
nection With the test sWitch, the parallel plate ionizing
in a manner of seconds. It is important, therefore, to have a
smoke detector, the infrared detector, the pieZo speaker and
mechanism for detecting a ?re or a smoldering element in a 35
programmed such that the control circuit causes the pieZo
Christmas tree so that the proper response can be made to
speaker to emit an audible alarm When the control circuit is
protect the occupants of the home and save as much property
triggered by an activation signal generated by the test sWitch
or a loW battery condition, the parallel plate ioniZing smoke
as possible. It Would be desirable, therefore, to have a smoke
detector that could be easily attached to the limb of a
detector or the infrared detector; the smoke detector circuit
Christmas tree that included a smoke detector circuit and an
audible alarm circuit for generating an audible alarm in
response to detecting smoke. Because Christmas tree ?res
can burn very hot Without generating large amounts of
smoke at the bottom of the tree early in the progress of the
?re, it Would be further desirable to have a smoke detector
being poWered by a battery supply positioned Within the
housing.
BRIEF DESCRIPTION OF DRAWINGS
capable of detecting small amounts of smoke and triggering
For a further understanding of the nature and objects of
the present invention, reference should be made to the
an alarm. In addition, it Would be further desirable to have
an additional ?re detector element in the form of an infrared
folloWing detailed description, taken in conjunction With the
accompanying draWings, in Which like elements are given
45
detector that could detect rapid changes in the infrared levels
and generate an activation signal for causing the speaker to
the same or analogous reference numbers and Wherein:
FIG. 1 is a perspective vieW of an exemplary embodiment
generate an audible alarm. The Christmas tree smoke detec
of the Christmas tree smoke detector.
tor Would also desirably have a housing that Would have a
FIG. 2 is a side plan vieW of the Christmas tree smoke
Christmas decoration theme so as to not detract from the
detector of FIG. 1.
decorations on the Christmas tree.
FIG. 3 is a back cutaWay vieW of Christmas tree smoke
55 detector of FIG. 1.
GENERAL SUMMARY DISCUSSION OF
INVENTION
FIG. 4 is a detail plan vieW of the smoke detector circuit
It is thus an object of the invention to provide a Christmas
tree smoke detector that includes a housing having a Christ
mas decorated exterior and a hanging hook suitable for
supporting the housing from the limb of a Christmas tree, an
air ?oW passageWay betWeen a bottom side of the housing
and a top side of the housing, an infrared detector inlet
aperture formed through a bottom side of the housing, a push
board in isolation.
FIG. 5 is a schematic diagram of the smoke detector
circuit.
EXEMPLARY MODE FOR CARRYING OUT
THE INVENTION
FIGS. 1—5 shoW various aspects of an exemplary embodi
button test sWitch opening and a poWer on veri?cation diode 65 ment of the Christmas tree smoke detector of the present
opening; and a smoke detector circuit including a test sWitch
invention generally designated 10. Christmas tree smoke
operationally installed through the push button test switch
detectors 10 includes a housing, generally designated 12,
US 6,384,732 B1
3
4
and a smoke detector circuit, generally designated 14. Hous
ing 12 is constructed from plastic and has a Christmas
embodiment herein detailed in accordance With the descrip
tive requirements of the laW, it is to be understood that the
decorated exterior surface 16 and a hanging hook 18 suitable
for supporting housing 12 from the limb of a Christmas tree.
Housing 10 also includes an air ?oW passageWay betWeen a
bottom side opening 20 and a top side opening 22, an
infrared detector inlet aperture 26 formed through a bottom
details herein are to be interpreted as illustrative and not in
side 28 of housing 12, a push button test sWitch opening 32
a housing having a Christmas decorated exterior and a
and a poWer on veri?cation diode opening 34.
Smoke detector circuit 14 is constructed on a circuit board
a limiting sense.
What is claimed is:
1. A Christmas tree smoke detector comprising:
hanging hook suitable for supporting the housing from
10
40 including a test sWitch 42 operationally installed through
the push button test sWitch opening 32, a parallel plate
ioniZing smoke detector 44 positioned in the air ?oW pas
sageWay betWeen bottom side opening 20 and top side
the limb of a Christmas tree, an air ?oW passageWay
betWeen a bottom side of the housing and a top side of
the housing, an infrared detector inlet aperture formed
through a bottom side of the housing, a push button test
sWitch opening and a poWer on veri?cation diode
opening; and
opening 22, an infrared detector 46 operationally positioned
in connection With the infrared detector inlet aperture 26 so
a smoke detector circuit including a test sWitch opera
as to detect infrared radiation levels exteriorly of housing 12,
a pieZo speaker 48 for generating an audible alarm, and a
control circuit 50 in connection With test sWitch 42, parallel
tionally installed through the push button test sWitch
opening, a parallel plate ioniZing smoke detector posi
plate ioniZing smoke detector 44, infrared detector 46, pieZo
tioned in the air ?oW passageWay betWeen the bottom
side and the top side of the opening, an infrared
speaker 48 and programmed such that the control circuit 50
detector operationally positioned in connection With
causes pieZo speaker 48 to emit an audible alarm When
the infrared detector inlet aperture so as to detect
control circuit 50 is triggered by an activation signal gen
infrared radiation levels exteriorly of the housing, a
pieZo speaker for generating an audible alarm, and a
control circuit in connection With the test sWitch, the
erated by the test sWitch 42 or a loW battery condition, the
parallel plate ioniZing smoke detector 44 or the infrared
detector 46. The smoke detector circuit 14 is poWered by a
25
parallel plate ioniZing smoke detector, the infrared
detector, the pieZo speaker and programmed such that
battery supply 56 positioned Within housing 12.
the control circuit causes the pieZo speaker to emit an
It can be seen from the preceding description that a
audible alarm When the control circuit is triggered by
Christmas tree smoke detector has been provided.
It is noted that the embodiment of the Christmas tree
smoke detector described herein in detail for exemplary
purposes is of course subject to many different variations in
loW battery condition, the parallel plate ioniZing smoke
structure, design, application and methodology. Because
the smoke detector circuit being poWered by a battery
many varying and different embodiments may be made
Within the scope of the inventive concept(s) herein taught,
and because many modi?cations may be made in the
an activation signal generated by the test sWitch or a
detector or the infrared detector;
35
supply positioned Within the housing.
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