JPS50132802A - - Google Patents
Info
- Publication number
- JPS50132802A JPS50132802A JP50011967A JP1196775A JPS50132802A JP S50132802 A JPS50132802 A JP S50132802A JP 50011967 A JP50011967 A JP 50011967A JP 1196775 A JP1196775 A JP 1196775A JP S50132802 A JPS50132802 A JP S50132802A
- Authority
- JP
- Japan
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H9/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F2/00—Demodulating light; Transferring the modulation of modulated light; Frequency-changing of light
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Nonlinear Science (AREA)
- Optics & Photonics (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
- Optical Communication System (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US43850074A | 1974-01-30 | 1974-01-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS50132802A true JPS50132802A (en) | 1975-10-21 |
Family
ID=23740882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP50011967A Pending JPS50132802A (en) | 1974-01-30 | 1975-01-30 |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPS50132802A (en) |
| DE (1) | DE2503633A1 (en) |
| FR (1) | FR2259376A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3932056A1 (en) * | 1989-09-26 | 1991-04-04 | Eduard Dr Rer Nat Preuss | Opto-electronic surface vibration measurer - uses reflection light barrier, voltage sources, resistors, amplifier and reflector |
| DE19535488A1 (en) * | 1995-07-26 | 1997-01-30 | Wolfgang Koop | Opto-electronic measuring of object displacement using one surface for measuring - carried out so that movement and direction of measuring beam lies vertical to surface and beam before impinging on detector is guided by lens system |
| DE19728653A1 (en) * | 1997-07-04 | 1999-01-07 | Micas Elektronik Gmbh U Co Kg | Method to detect surface vibrations of bodies for evaluating quality |
| US9928705B2 (en) * | 2015-06-16 | 2018-03-27 | Utc Fire & Security Corporation | Threat detection system |
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1975
- 1975-01-29 DE DE19752503633 patent/DE2503633A1/en active Pending
- 1975-01-30 JP JP50011967A patent/JPS50132802A/ja active Pending
- 1975-01-30 FR FR7502966A patent/FR2259376A1/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2259376A1 (en) | 1975-08-22 |
| DE2503633A1 (en) | 1975-08-07 |
| FR2259376B3 (en) | 1977-10-21 |