BE833646A - Hologramme a image focalisee permettant une augmentation du rendement optique de lecture - Google Patents
Hologramme a image focalisee permettant une augmentation du rendement optique de lectureInfo
- Publication number
- BE833646A BE833646A BE160231A BE160231A BE833646A BE 833646 A BE833646 A BE 833646A BE 160231 A BE160231 A BE 160231A BE 160231 A BE160231 A BE 160231A BE 833646 A BE833646 A BE 833646A
- Authority
- BE
- Belgium
- Prior art keywords
- increase
- optical reading
- focused image
- reading performance
- image hologram
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 title 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
- G03H1/04—Processes or apparatus for producing holograms
- G03H1/0402—Recording geometries or arrangements
- G03H1/0406—Image plane or focused image holograms, i.e. an image of the object or holobject is formed on, in or across the recording plane
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Holo Graphy (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/507,706 US3961836A (en) | 1974-09-20 | 1974-09-20 | Focused-image hologram system providing increased optical readout efficiency |
Publications (1)
Publication Number | Publication Date |
---|---|
BE833646A true BE833646A (fr) | 1976-01-16 |
Family
ID=24019790
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE160231A BE833646A (fr) | 1974-09-20 | 1975-09-19 | Hologramme a image focalisee permettant une augmentation du rendement optique de lecture |
Country Status (11)
Country | Link |
---|---|
US (1) | US3961836A (de) |
JP (1) | JPS5157458A (de) |
BE (1) | BE833646A (de) |
CA (1) | CA1029583A (de) |
CH (1) | CH600399A5 (de) |
DE (1) | DE2541924A1 (de) |
FR (1) | FR2285645A1 (de) |
GB (1) | GB1511285A (de) |
IT (1) | IT1042138B (de) |
NL (1) | NL7511094A (de) |
SE (1) | SE408830B (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4174881A (en) * | 1976-03-05 | 1979-11-20 | Rca Corporation | Recording a synthetic focused-image hologram on a thermally deformable plastic |
US4589686A (en) * | 1980-11-05 | 1986-05-20 | Mcgrew Stephen P | Anticounterfeiting method and device |
US4892385A (en) * | 1981-02-19 | 1990-01-09 | General Electric Company | Sheet-material authenticated item with reflective-diffractive authenticating device |
US4832424A (en) * | 1982-09-30 | 1989-05-23 | Mcgrew Stephen P | White-light viewable, cylindrical holograms and method of spatially filtering wavefronts |
GB2211957B (en) * | 1987-10-31 | 1991-12-18 | Gen Electric Co Plc | Optical projection printing |
CN114237002B (zh) * | 2021-12-20 | 2022-09-16 | 北京邮电大学 | 像面全息图的生成系统 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3743507A (en) * | 1970-10-23 | 1973-07-03 | Rca Corp | Recording of a continuous tone focused image on a diffraction grating |
US3754808A (en) * | 1971-08-30 | 1973-08-28 | Us Navy | Holographic readout system employing predispersion diffraction grating |
-
1974
- 1974-09-20 US US05/507,706 patent/US3961836A/en not_active Expired - Lifetime
-
1975
- 1975-07-31 CA CA232,617A patent/CA1029583A/en not_active Expired
- 1975-08-28 IT IT26692/75A patent/IT1042138B/it active
- 1975-09-09 GB GB37059/75A patent/GB1511285A/en not_active Expired
- 1975-09-16 CH CH1195175A patent/CH600399A5/xx not_active IP Right Cessation
- 1975-09-19 BE BE160231A patent/BE833646A/xx unknown
- 1975-09-19 DE DE19752541924 patent/DE2541924A1/de active Pending
- 1975-09-19 SE SE7510522A patent/SE408830B/xx unknown
- 1975-09-19 JP JP50114229A patent/JPS5157458A/ja active Pending
- 1975-09-19 FR FR7528844A patent/FR2285645A1/fr active Granted
- 1975-09-19 NL NL7511094A patent/NL7511094A/xx not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
CH600399A5 (de) | 1978-06-15 |
FR2285645A1 (fr) | 1976-04-16 |
US3961836A (en) | 1976-06-08 |
DE2541924A1 (de) | 1976-04-08 |
NL7511094A (nl) | 1976-03-23 |
JPS5157458A (en) | 1976-05-19 |
IT1042138B (it) | 1980-01-30 |
AU8482675A (en) | 1977-03-24 |
GB1511285A (en) | 1978-05-17 |
SE7510522L (sv) | 1976-03-22 |
FR2285645B1 (de) | 1978-11-03 |
SE408830B (sv) | 1979-07-09 |
CA1029583A (en) | 1978-04-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
NL161624C (nl) | Optische afleesinrichting. | |
BE831759A (fr) | Milieu de transmission optique | |
NL7513125A (nl) | Optische golfgeleider. | |
NL183909C (nl) | Optische leesinrichting. | |
AT369937B (de) | Optische ausleseeinheit | |
FR2420794B1 (fr) | Appareil de lecture optique | |
NL7500110A (nl) | Uitgangsstelsel voor een optische golfgeleider. | |
FR2348503A1 (fr) | Elargisseur de faisceau optique | |
FR2276660A1 (fr) | Systeme optique de stockage de donnees binaires effacable selectivement et agencees par pages enregistrees holographiquement | |
FR2290059A1 (fr) | Circuit optique a laser a semi-conducteurs | |
RO72099A (ro) | Lentila cu putere focala variabila | |
NL7514779A (nl) | Optische geleider. | |
NL7510685A (nl) | Optische golfgeleiderinrichting. | |
NL7506481A (nl) | Optische golfgeleider. | |
NL164980C (nl) | Optische leeskop. | |
IT1028203B (it) | Proiettore di ologrammi ad immagini focalizzate | |
FR2285645A1 (fr) | Hologramme a image focalisee permettant une augmentation du rendement optique de lecture | |
FR2287061A1 (fr) | Dispositif optique perfectionne et son application a une machine de reproduction electrophotographique | |
IT1031213B (it) | Distanziale generatore di turbo lenza | |
BE833480A (fr) | Dispositif optique | |
AR193966A1 (es) | Un aparato para reproducir un registro de pelicula cinematografica | |
FR2295444A1 (fr) | Dispositif optique | |
BE832612A (fr) | Circuit de correlation de lecteur optique | |
GB1342747A (de) | ||
FR1437530A (fr) | Perfectionnements aux cellules de pompage optique |