BR7204687D0 - Dispositivo para tornar substancialmente invisivel a estrutura de uma imagem otica - Google Patents
Dispositivo para tornar substancialmente invisivel a estrutura de uma imagem oticaInfo
- Publication number
- BR7204687D0 BR7204687D0 BR4687/72A BR468772A BR7204687D0 BR 7204687 D0 BR7204687 D0 BR 7204687D0 BR 4687/72 A BR4687/72 A BR 4687/72A BR 468772 A BR468772 A BR 468772A BR 7204687 D0 BR7204687 D0 BR 7204687D0
- Authority
- BR
- Brazil
- Prior art keywords
- make
- optical image
- substantially invisible
- image substantially
- invisible
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/72—Modifying the appearance of television pictures by optical filters or diffusing screens
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Holo Graphy (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
- Optical Elements Other Than Lenses (AREA)
- Transforming Electric Information Into Light Information (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7109911A NL7109911A (pt) | 1971-07-17 | 1971-07-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR7204687D0 true BR7204687D0 (pt) | 1973-06-14 |
Family
ID=19813636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR4687/72A BR7204687D0 (pt) | 1971-07-17 | 1972-07-14 | Dispositivo para tornar substancialmente invisivel a estrutura de uma imagem otica |
Country Status (15)
| Country | Link |
|---|---|
| US (1) | US3781091A (pt) |
| JP (1) | JPS5222247B1 (pt) |
| AR (1) | AR195558A1 (pt) |
| AT (1) | AT323247B (pt) |
| AU (1) | AU467220B2 (pt) |
| BE (1) | BE786377A (pt) |
| BR (1) | BR7204687D0 (pt) |
| CA (1) | CA974386A (pt) |
| DE (1) | DE2233402A1 (pt) |
| ES (1) | ES404919A1 (pt) |
| FR (1) | FR2146306B1 (pt) |
| GB (1) | GB1394712A (pt) |
| IT (1) | IT972158B (pt) |
| NL (1) | NL7109911A (pt) |
| SE (1) | SE385537B (pt) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3842202A (en) * | 1972-11-06 | 1974-10-15 | Levy M & Co Inc | Combination of a transmissive diffractive phase-grating and a television picture-tube in operative juxtaposition to each other |
| JPS5219341A (en) * | 1975-08-06 | 1977-02-14 | Toshiba Corp | High frequencyheating system |
| US4034555A (en) * | 1975-12-16 | 1977-07-12 | Rosenthal Bruce A | Lenticular optical system |
| JPS56147120A (en) * | 1980-04-18 | 1981-11-14 | Victor Co Of Japan Ltd | Optical low-pass filter |
| US4340275A (en) * | 1980-06-09 | 1982-07-20 | General Electric Company | Rear projection screen with patterned lenticular prismatic structure |
| JPS57158612A (en) * | 1981-03-25 | 1982-09-30 | Canon Inc | Optical low pass filter |
| JPS59122291A (ja) * | 1982-12-28 | 1984-07-14 | Sony Corp | 投射型テレビジヨン受像機 |
| US4935335A (en) * | 1986-01-06 | 1990-06-19 | Dennison Manufacturing Company | Multiple imaging |
| FR2595493A1 (fr) * | 1986-03-07 | 1987-09-11 | Thomson Csf | Systeme de visualisation a ecran plat |
| US4804253A (en) * | 1986-05-15 | 1989-02-14 | General Electric Company | Lenticular filter for display devices |
| JPH01150140A (ja) * | 1987-12-08 | 1989-06-13 | Kiyoshi Kikuchi | テレビ画像から油性絵具による写真を製作する方法およびそれに用いるテレビ画像用フィルタ装置 |
| JPH0833527B2 (ja) * | 1988-07-18 | 1996-03-29 | キヤノン株式会社 | 光学的ローパスフィルターを有した撮影系 |
| US5283690A (en) * | 1989-04-04 | 1994-02-01 | Sharp Kabushiki Kaisha | Optical diffraction grating element |
| US5337181A (en) * | 1992-08-27 | 1994-08-09 | Kelly Shawn L | Optical spatial filter |
| US5706139A (en) * | 1995-10-17 | 1998-01-06 | Kelly; Shawn L. | High fidelity optical system for electronic imaging |
| US6369949B1 (en) * | 2000-04-12 | 2002-04-09 | Kenneth E. Conley | Optically anisotropic micro lens window |
| US11493773B2 (en) | 2021-06-07 | 2022-11-08 | Panamorph, Inc. | Near-eye display system |
-
1971
- 1971-07-17 NL NL7109911A patent/NL7109911A/xx unknown
-
1972
- 1972-07-07 DE DE2233402A patent/DE2233402A1/de active Pending
- 1972-07-11 AU AU44423/72A patent/AU467220B2/en not_active Expired
- 1972-07-12 CA CA146,903A patent/CA974386A/en not_active Expired
- 1972-07-12 AR AR243035A patent/AR195558A1/es active
- 1972-07-12 US US00271057A patent/US3781091A/en not_active Expired - Lifetime
- 1972-07-14 IT IT27034/72A patent/IT972158B/it active
- 1972-07-14 GB GB3302372A patent/GB1394712A/en not_active Expired
- 1972-07-14 AT AT607872A patent/AT323247B/de not_active IP Right Cessation
- 1972-07-14 BR BR4687/72A patent/BR7204687D0/pt unknown
- 1972-07-14 SE SE7209299A patent/SE385537B/xx unknown
- 1972-07-14 JP JP47070704A patent/JPS5222247B1/ja active Pending
- 1972-07-15 ES ES404919A patent/ES404919A1/es not_active Expired
- 1972-07-17 FR FR7225704A patent/FR2146306B1/fr not_active Expired
- 1972-07-17 BE BE786377D patent/BE786377A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AU4442372A (en) | 1974-01-17 |
| AT323247B (de) | 1975-06-25 |
| ES404919A1 (es) | 1976-01-01 |
| CA974386A (en) | 1975-09-16 |
| BE786377A (fr) | 1973-01-17 |
| GB1394712A (en) | 1975-05-21 |
| FR2146306A1 (pt) | 1973-03-02 |
| AR195558A1 (es) | 1973-10-23 |
| DE2233402A1 (de) | 1973-01-25 |
| SE385537B (sv) | 1976-07-05 |
| AU467220B2 (en) | 1975-11-27 |
| JPS5222247B1 (pt) | 1977-06-16 |
| US3781091A (en) | 1973-12-25 |
| IT972158B (it) | 1974-05-20 |
| NL7109911A (pt) | 1973-01-19 |
| FR2146306B1 (pt) | 1980-04-04 |
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