JPS4965844A - - Google Patents
Info
- Publication number
- JPS4965844A JPS4965844A JP48093919A JP9391973A JPS4965844A JP S4965844 A JPS4965844 A JP S4965844A JP 48093919 A JP48093919 A JP 48093919A JP 9391973 A JP9391973 A JP 9391973A JP S4965844 A JPS4965844 A JP S4965844A
- 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
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
- H01S3/13—Stabilisation of laser output parameters, e.g. frequency or amplitude
- H01S3/131—Stabilisation of laser output parameters, e.g. frequency or amplitude by controlling the active medium, e.g. by controlling the processes or apparatus for excitation
- H01S3/134—Stabilisation of laser output parameters, e.g. frequency or amplitude by controlling the active medium, e.g. by controlling the processes or apparatus for excitation in gas lasers
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/28—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
- G03B13/18—Focusing aids
- G03B13/20—Rangefinders coupled with focusing arrangements, e.g. adjustment of rangefinder automatically focusing camera
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Image Input (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2241443A DE2241443A1 (de) | 1972-08-23 | 1972-08-23 | Verfahren zum automatischen fotoelektrischen einfang von lokalen aenderungen optisch wirksamer objektstrukturen sowie einrichtungen zu seiner durchfuehrung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4965844A true JPS4965844A (forum.php) | 1974-06-26 |
Family
ID=5854321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP48093919A Pending JPS4965844A (forum.php) | 1972-08-23 | 1973-08-23 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3833302A (forum.php) |
| JP (1) | JPS4965844A (forum.php) |
| DE (1) | DE2241443A1 (forum.php) |
| FR (1) | FR2197156B3 (forum.php) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3988067A (en) * | 1972-12-22 | 1976-10-26 | Nippon Kogaku K.K. | Automatic polarization analyzing device |
| US4191207A (en) * | 1978-03-23 | 1980-03-04 | Colkhi, Inc. | Irrigation pipe control system |
| EP0112334A4 (en) * | 1982-06-30 | 1984-11-23 | Boeing Co | ANGLE DETERMINATION SYSTEM WITH THE AID OF A ROTATING POLARISATOR. |
| US4688934A (en) * | 1982-06-30 | 1987-08-25 | The Boeing Company | Rotating polarizer angle sensing system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2003492A1 (de) * | 1970-01-27 | 1971-08-12 | Leitz Ernst Gmbh | Messverfahren fuer Schrittgeber zum Messen von Laengen oder Winkeln sowie Anordnungen zur Durchfuehrung dieses Messverfahrens |
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1972
- 1972-08-23 DE DE2241443A patent/DE2241443A1/de active Pending
-
1973
- 1973-08-20 US US00389792A patent/US3833302A/en not_active Expired - Lifetime
- 1973-08-21 FR FR7330307A patent/FR2197156B3/fr not_active Expired
- 1973-08-23 JP JP48093919A patent/JPS4965844A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE2241443A1 (de) | 1974-03-07 |
| FR2197156A1 (forum.php) | 1974-03-22 |
| US3833302A (en) | 1974-09-03 |
| FR2197156B3 (forum.php) | 1976-07-30 |