IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
UP-0605288
(2006-11-29)
|
등록번호 |
US-7600430
(2009-10-28)
|
우선권정보 |
FI-20051224(2005-11-30) |
발명자
/ 주소 |
- Palin, Henrik
- Lindman, Erik
|
출원인 / 주소 |
|
대리인 / 주소 |
Birch, Stewart, Kolasch, Birch LLP
|
인용정보 |
피인용 횟수 :
10 인용 특허 :
5 |
초록
▼
A device for the measurement of external pressure in a wristop instrument, such as a sports computer, a diving computer, a wristwatch, or the like, which includes an instrument body,--at least one watertight space disposed inside the instrument body, and at least one circuit board situated and a pre
A device for the measurement of external pressure in a wristop instrument, such as a sports computer, a diving computer, a wristwatch, or the like, which includes an instrument body,--at least one watertight space disposed inside the instrument body, and at least one circuit board situated and a pressure sensor disposed in the watertight space. A flow path extends through the instrument body to the watertight space and this flow path is closed by a membrane, which is permeable by a gas, but not by water, and which closes the flow path in a watertight manner.
대표청구항
▼
The invention claimed is: 1. A device for measuring pressure in a wristop instrument, which comprises an instrument body which defines at least one watertight space therein, at least one circuit board disposed in the watertight space, at least one flow path which extends through the instrument body
The invention claimed is: 1. A device for measuring pressure in a wristop instrument, which comprises an instrument body which defines at least one watertight space therein, at least one circuit board disposed in the watertight space, at least one flow path which extends through the instrument body for communication with the watertight space, at least one membrane which watertightly closes the flow path said membrane being permeable to gas, but not by water, and a pressure sensor disposed in the same watertight space as that of the at least one circuit board. 2. The device according to claim 1, wherein the pressure sensor is situated on the circuit board in said watertight space. 3. The device of claim 1, wherein the gas-permeable membrane is sealed to the instrument body by at least one seal structure in which the seal is based on compression between the seal surfaces. 4. The device according to claim 3, wherein the seal structure comprises a seal surface formed in the instrument body and against which the gas-permeable membrane is pressed. 5. The device according to claim 3, wherein the seal structure comprises at least one seal element, at least one surface of which presses against the surface of the membrane. 6. The device according to claim 1 wherein support elements are provided for supporting the gas-permeable membrane from its side facing the watertight space. 7. The device according to claim 6, wherein the support elements form a component that presses the instrument body against the membrane. 8. The device according to claim 6, wherein the support elements include a fiber fabric fitted on the side of the watertight space. 9. The device according to claim 1, characterized in that the permeable membrane is protected mechanically from contact. 10. The device according to claim 9, wherein the permeable membrane is protected mechanically from contact by forming a flow path that runs from outside the instrument body to the membrane, in such a way that a direct contact connection is prevented. 11. The device according to claim 9, wherein the permeable membrane is protected mechanically from contact by means of a dense mesh structure. 12. The device according to claim 1 wherein at least one flow path is situated on the side of the instrument body, in such a way that it does not open onto a surface of the body lying against the hand, or onto the same surface as a display. 13. The device of claim 1, said device compressing a wristop instrument. 14. A watertight electronic device which comprises a housing which defines a watertight chamber, electronic components of the electronic device disposed on the watertight chambers, a pressure sensor disposed in the watertight chamber, a flow path disposed in the housing for providing communication between housing and the environment outside the housing, and a membrane which watertightly closes the flow path, said membrane being permeable to gas but not permeable to water, whereby the pressure outside the device can be transferred to the pressure sensor inside the device while preventing water from entering the watertight chamber.
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