JPS53135346A - Focus changeable mirror - Google Patents
Focus changeable mirrorInfo
- Publication number
- JPS53135346A JPS53135346A JP4969678A JP4969678A JPS53135346A JP S53135346 A JPS53135346 A JP S53135346A JP 4969678 A JP4969678 A JP 4969678A JP 4969678 A JP4969678 A JP 4969678A JP S53135346 A JPS53135346 A JP S53135346A
- Authority
- JP
- Japan
- Prior art keywords
- changeable mirror
- focus changeable
- focus
- mirror
- changeable
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/10—Construction
- F21V7/16—Construction with provision for adjusting the curvature
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
- G02B26/0816—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements
- G02B26/0825—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements the reflecting element being a flexible sheet or membrane, e.g. for varying the focus
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Optical Elements Other Than Lenses (AREA)
- Mechanical Light Control Or Optical Switches (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
- Mechanical Optical Scanning Systems (AREA)
- Rear-View Mirror Devices That Are Mounted On The Exterior Of The Vehicle (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7712800A FR2389145A1 (fr) | 1977-04-27 | 1977-04-27 | Miroir a focale variable |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS53135346A true JPS53135346A (en) | 1978-11-25 |
JPH0381132B2 JPH0381132B2 (ja) | 1991-12-27 |
Family
ID=9190008
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4969678A Granted JPS53135346A (en) | 1977-04-27 | 1978-04-26 | Focus changeable mirror |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS53135346A (ja) |
DE (1) | DE2817239A1 (ja) |
FR (1) | FR2389145A1 (ja) |
GB (1) | GB1603704A (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58181033A (ja) * | 1982-04-16 | 1983-10-22 | Canon Inc | 照射角可変電子閃光装置 |
JPH0624997U (ja) * | 1992-09-04 | 1994-04-05 | 八郎 桝野 | 地図型ペーパウエイト |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2453423A1 (fr) * | 1979-04-04 | 1980-10-31 | Quantel Sa | Element optique epais a courbure variable |
FR2472198A1 (fr) * | 1979-12-20 | 1981-06-26 | Anvar | Miroirs astronomiques et reseaux aspheriques semi-encastres et procede de fabrication par flexion elastique |
FR2496380A1 (fr) * | 1980-12-15 | 1982-06-18 | Thomson Csf | Dispositif piezoresistif a commande electrique |
DE102008041287A1 (de) | 2007-08-24 | 2009-02-26 | Carl Zeiss Smt Ag | Kraftaktuator |
-
1977
- 1977-04-27 FR FR7712800A patent/FR2389145A1/fr active Granted
-
1978
- 1978-04-17 GB GB1503178A patent/GB1603704A/en not_active Expired
- 1978-04-20 DE DE19782817239 patent/DE2817239A1/de not_active Ceased
- 1978-04-26 JP JP4969678A patent/JPS53135346A/ja active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58181033A (ja) * | 1982-04-16 | 1983-10-22 | Canon Inc | 照射角可変電子閃光装置 |
JPH0624997U (ja) * | 1992-09-04 | 1994-04-05 | 八郎 桝野 | 地図型ペーパウエイト |
Also Published As
Publication number | Publication date |
---|---|
JPH0381132B2 (ja) | 1991-12-27 |
FR2389145B1 (ja) | 1981-11-27 |
GB1603704A (en) | 1981-11-25 |
DE2817239A1 (de) | 1978-11-02 |
FR2389145A1 (fr) | 1978-11-24 |
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