JPH025254B2 - - Google Patents
Info
- Publication number
- JPH025254B2 JPH025254B2 JP56159522A JP15952281A JPH025254B2 JP H025254 B2 JPH025254 B2 JP H025254B2 JP 56159522 A JP56159522 A JP 56159522A JP 15952281 A JP15952281 A JP 15952281A JP H025254 B2 JPH025254 B2 JP H025254B2
- Authority
- JP
- Japan
- Prior art keywords
- optical fiber
- laser
- oscillation frequency
- change
- light
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000013307 optical fiber Substances 0.000 claims description 46
- 230000003287 optical effect Effects 0.000 claims description 28
- 230000010360 secondary oscillation Effects 0.000 claims description 21
- 239000012528 membrane Substances 0.000 claims description 19
- 238000001514 detection method Methods 0.000 claims description 17
- 239000012530 fluid Substances 0.000 claims description 13
- 230000036772 blood pressure Effects 0.000 claims description 10
- 230000010355 oscillation Effects 0.000 description 20
- 239000010408 film Substances 0.000 description 19
- 239000007788 liquid Substances 0.000 description 9
- 210000004204 blood vessel Anatomy 0.000 description 7
- 238000001228 spectrum Methods 0.000 description 7
- 239000008280 blood Substances 0.000 description 5
- 210000004369 blood Anatomy 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 206010005746 Blood pressure fluctuation Diseases 0.000 description 2
- 238000009530 blood pressure measurement Methods 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- 210000001367 artery Anatomy 0.000 description 1
- 230000035559 beat frequency Effects 0.000 description 1
- 210000001124 body fluid Anatomy 0.000 description 1
- 239000010839 body fluid Substances 0.000 description 1
- 238000012993 chemical processing Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- CPBQJMYROZQQJC-UHFFFAOYSA-N helium neon Chemical compound [He].[Ne] CPBQJMYROZQQJC-UHFFFAOYSA-N 0.000 description 1
- INQOMBQAUSQDDS-UHFFFAOYSA-N iodomethane Chemical compound IC INQOMBQAUSQDDS-UHFFFAOYSA-N 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 210000003454 tympanic membrane Anatomy 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L11/00—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00
- G01L11/02—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00 by optical means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
- Measuring Fluid Pressure (AREA)
- Instruments For Measurement Of Length By Optical Means (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Optical Transform (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56159522A JPS5861435A (ja) | 1981-10-08 | 1981-10-08 | レ−ザセンサ |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56159522A JPS5861435A (ja) | 1981-10-08 | 1981-10-08 | レ−ザセンサ |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5861435A JPS5861435A (ja) | 1983-04-12 |
| JPH025254B2 true JPH025254B2 (de) | 1990-02-01 |
Family
ID=15695600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56159522A Granted JPS5861435A (ja) | 1981-10-08 | 1981-10-08 | レ−ザセンサ |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5861435A (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5533976A (en) * | 1994-07-15 | 1996-07-09 | Allergan, Inc. | Reusable cartridge assembly for a phaco machine |
| KR20020014621A (ko) * | 2000-08-18 | 2002-02-25 | 이권현 | 생체 측정기 |
| EP1754048A1 (de) * | 2003-12-08 | 2007-02-21 | Sentronic GmbH Gesellschaft für Optische Messsysteme | Sensitives system zur optischen detektion chemischer und/oder physikalischer zustandsänderungen innerhalb von verpackten medien |
-
1981
- 1981-10-08 JP JP56159522A patent/JPS5861435A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5861435A (ja) | 1983-04-12 |
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