Cover plate for a hazard detector having improved air flow and other characteristics
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G08B-017/10
G01J-005/04
G01J-005/02
G01J-005/08
G08B-017/00
H04L-012/28
G08B-013/193
G08B-017/11
출원번호
US-0835334
(2013-03-15)
등록번호
US-8994540
(2015-03-31)
발명자
/ 주소
Fadell, Anthony Michael
Mittleman, Adam
Goldenson, Andrew
Filson, John Benjamin
Bould, Fred
출원인 / 주소
Google Inc.
대리인 / 주소
Kilpatrick Townsend & Stockton LLP
인용정보
피인용 횟수 :
6인용 특허 :
89
초록▼
According to one embodiment, a hazard detector may include a housing having a back plate and a front casing coupled therewith to define an interior space within which various components are contained. The components may include an alarm device and a hazard sensor that is configured to detect a poten
According to one embodiment, a hazard detector may include a housing having a back plate and a front casing coupled therewith to define an interior space within which various components are contained. The components may include an alarm device and a hazard sensor that is configured to detect a potentially hazardous condition to trigger the alarm device. A cover plate may be coupled with the housing and may face an occupant of a room in which the hazard detector is positioned. The cover plate may include a relatively large population of relatively small openings that are positioned, configured, and dimensioned so that internal components are substantially hidden from view of the occupant while air is allowed to substantially freely flow through the cover plate. A collective area of the openings may be at least 30% of the total area of the cover plate.
대표청구항▼
1. A hazard detector for use in a building or structure for detecting a hazard, the hazard detector comprising: a back plate couplable with a wall of the building or structure so as to secure the hazard detector relative thereto;a front casing coupled with the back plate to define an interior region
1. A hazard detector for use in a building or structure for detecting a hazard, the hazard detector comprising: a back plate couplable with a wall of the building or structure so as to secure the hazard detector relative thereto;a front casing coupled with the back plate to define an interior region within which components of the hazard detector are contained;a circuit board mounted on the back plate and having a plurality of components coupled to the circuit board to support the components and electrically couple the components;an alarm device mounted on the circuit board, the alarm device being activatable upon detection of a hazard so as to warn an occupant of the building or structure of a potential danger;a hazard sensor coupled with the circuit board and having one or more components configured to detect a potentially hazardous condition so as to trigger the alarm device;one or more sensors mounted on the circuit board and electrically coupled with the circuit board, the one or more sensors being configured to detect a presence and/or movement of objects and/or persons external to the hazard detector; anda cover plate coupled with the front casing so as to face an occupant of a room or area in which the hazard detector is positioned, wherein the cover plate includes a relatively large population of relatively small openings, the small openings being positioned, configured, and dimensioned so (A) internal components are substantially hidden from view of the occupant, while (B) air is allowed to substantially freely flow to the one or more internal components through the cover plate in a relatively unimpeded manner, while (C) the one or more sensors are capable of so detecting the objects and/or persons from behind the cover plate, wherein a collective area of the small openings is at least 30% of the cover plate. 2. The hazard detector of claim 1, wherein the front casing also comprises a relatively large population of relatively small openings that allow air to substantially freely flow to the one or more internal components through the cover plate and front casing in a relatively unimpeded manner, wherein a collective area of the small openings of said front casing is at least 20% of the front casing. 3. The hazard detector of claim 2, wherein the back plate comprise a plurality of openings so that air is allowed to substantially freely flow to the one or more internal components in a relatively unimpeded manner through the cover plate, the front casing, and the back plate. 4. The hazard detector of claim 2, wherein a front surface of the one or more sensors is positioned between the front casing and the cover plate while the hazard sensor is positioned behind the front casing. 5. The hazard detector of claim 2, wherein the front casing is at least 2 mm thick Polycarbonate (PC) and/or Acrylonitrile Butadiene Styrene (ABS) plastic, and wherein a collective area of the small openings of said front casing is between about 20% and 40% of the front casing. 6. The hazard detector of claim 1, wherein a collective area of the small openings of said cover plate is at least 40% of the cover plate. 7. The hazard detector of claim 1, wherein a collective area of the small openings of said cover plate is at least 50% of the cover plate. 8. The hazard detector of claim 1, wherein a collective area of the small openings of said cover plate is at least 60% of the cover plate. 9. The hazard detector of claim 1, wherein the one or more sensors comprise ultrasonic sensors that are positioned through apertures in the front casing so as to be adjacent the cover plate. 10. The hazard detector of claim 1, wherein the small openings are arranged according to a repeating pattern. 11. The hazard detector of claim 10, wherein the small openings are arranged according to a Fibonacci sequence. 12. The hazard detector of claim 1, wherein the hazard sensor comprises a smoke chamber configured to detect a presence of smoke. 13. A hazard detector comprising: a housing including a back plate and a front casing coupled with the back plate so as to define an interior space within which components of the hazard detector are contained, the components including an alarm device activatable to audibly warn an occupant of a potential danger and a hazard sensor having a component configured to detect a potentially hazardous condition so as to trigger the alarm device; anda cover plate coupled with the housing so as to face an occupant of a room or area in which the hazard detector is positioned, the cover plate including a relatively large population of relatively small openings, the small openings being positioned, configured, and dimensioned so internal components are substantially hidden from view of the occupant, while air is allowed to substantially freely flow to the one or more internal components through the cover plate in a relatively unimpeded manner, wherein a collective area of the small openings is at least 30% of the cover plate. 14. The hazard detector of claim 13, wherein the front casing also comprises a relatively large population of relatively small openings that allows air to substantially freely flow to the one or more internal components through the cover plate and front casing in a relatively unimpeded manner, wherein a collective area of the small openings of said front casing is at least 20% of the front casing. 15. The hazard detector of claim 14, wherein the front casing is at least 2 mm thick ABS plastic, and wherein a collective area of the small openings of said front casing is between about 20% and 40% of the front casing. 16. The hazard detector of claim 13, wherein a collective area of the small openings of said cover plate is at least 40% of the cover plate. 17. The hazard detector of claim 13, wherein a collective area of the small openings of said cover plate is at least 50% of the cover plate. 18. The hazard detector of claim 13, wherein a collective area of the small openings of said cover plate is at least 60% of the cover plate. 19. The hazard detector of claim 13, wherein the hazard sensor comprises a smoke chamber configured to detect a presence of smoke. 20. A method of using a hazard detector comprising: providing a hazard detector, wherein the hazard detector comprises: a back plate couplable with a wall of the building or structure so as to secure the hazard detector relative thereto;a front casing coupled with the back plate to define an interior region within which components of the hazard detector are contained;a circuit board mounted on the back plate and having a plurality of components coupled with the circuit board to support the components and electrically couple the components;an alarm device mounted on the circuit board, the alarm device being activatable upon the detection of a hazard so as to warn an occupant of the building or structure of a potential danger;a hazard sensor coupled with the circuit board and having one or more components configured to detect a potentially hazardous condition so as to trigger the alarm device;one or more sensors mounted on the circuit board and electrically coupled with the circuit board, the one or more sensors being configured to detect a presence and/or movement of objects and/or persons external to the hazard detector; anda cover plate coupled with the front casing so as to face an occupant of a room or area in which the hazard detector is positioned, wherein the cover plate includes a relatively large population of relatively small openings, the small openings being positioned, configured, and dimensioned so (A) internal components are substantially hidden from view of the occupant, while (B) air is allowed to substantially freely flow to the one or more internal components through the cover plate in a relatively unimpeded manner, while (C) the one or more sensors are capable of detecting the objects and/or persons from behind the cover plate, wherein a collective area of the small openings is at least 30% of the cover plate; andoperating the hazard detector to detect a potentially hazardous condition. 21. A method for manufacturing a hazard detector comprising: providing a back plate, the back plate being couplable with a wall of a structure so as to secure the hazard detector to the structure;coupling a front casing with the back plate so as to define an interior region within which components of the hazard detector are contained;coupling a circuit board with the back plate;mounting a hazard sensor on the circuit board, the hazard sensor having one or more components configured to detect a potentially hazardous condition so as to trigger an alarm device;mounting one or more additional sensors on the circuit board, the one or more additional sensors being configured to detect a presence and/or movement of objects and/or persons external to the hazard detector; andcoupling a cover plate with the front casing so the cover plate faces an occupant of a room or area in which the hazard detector is positioned, wherein the cover plate includes a relatively large population of relatively small openings, the small openings being positioned, configured, and dimensioned so (A) internal components are substantially hidden from view of the occupant, while (B) air is allowed to substantially freely flow to the one or more internal components through the cover plate in a relatively unimpeded manner, while (C) the one or more additional sensors are capable of detecting the objects and/or persons from behind the cover plate, wherein a collective area of the small openings is at least 30% of the cover plate.
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