GB1353821A - Variable display devices - Google Patents
Variable display devicesInfo
- Publication number
- GB1353821A GB1353821A GB1356971*[A GB1356971A GB1353821A GB 1353821 A GB1353821 A GB 1353821A GB 1356971 A GB1356971 A GB 1356971A GB 1353821 A GB1353821 A GB 1353821A
- Authority
- GB
- United Kingdom
- Prior art keywords
- particles
- groups
- different
- glass
- classes
- 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.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44F—SPECIAL DESIGNS OR PICTURES
- B44F5/00—Designs characterised by irregular areas, e.g. mottled patterns
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44F—SPECIAL DESIGNS OR PICTURES
- B44F1/00—Designs or pictures characterised by special or unusual light effects
- B44F1/08—Designs or pictures characterised by special or unusual light effects characterised by colour effects
- B44F1/10—Changing, amusing, or secret pictures
Landscapes
- Toys (AREA)
- Overhead Projectors And Projection Screens (AREA)
- Paints Or Removers (AREA)
Abstract
1353821 Animated displays R L CLOUTIER 6 May 1971 [7 May 1970] 13569/71 Heading G5C A display device comprises a mass of fine, dry, rigid particles including at least two groups, those of the second group having physical characteristics not possessed by the first group, the particles tending to remain in their own groups when the device is moved manually or mechanically. The particles may be of four different types 21 to 24 contained between glass plates 18, 19. Particles 21 are NaCl crystals, particles 22, 23 are glass beads and particles 24 are glass microballoons. Upon agitation of the device, different flow patterns are produced, enhanced by different colours applied to the four different particle groups or classes. The device may be illuminated by light transmission or reflection, Fig. 5 (not shown). One or more particle classes may have fluorescent coatings, in which case ultraviolet light may be used. The particles may be coated with a heatactivatable adhesive material so that the particles, although initially dry, may be caused to adhere after a particular design is obtained, and hence the design becomes fixed. In alternative embodiments, Figs. 4 and 6 (not shown), the glass plates may be in the form of a circular and convex disc, or in the form of concentric cylinders with an axial source of illumination. If one class of particles is magnetic, e.g. iron filings, a magnet may be externally applied to provide an additional means for changing the pattern. A light may be shone through the device to provide an image which may be projected on a screen, e.g. by the use of a standard projector. Alternatively the device in disc form, Fig. 4 (not shown), may be placed in a projector and rotated to project a varying image.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US3546970A | 1970-05-07 | 1970-05-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1353821A true GB1353821A (en) | 1974-05-22 |
Family
ID=21882868
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1356971*[A Expired GB1353821A (en) | 1970-05-07 | 1971-05-06 | Variable display devices |
Country Status (6)
Country | Link |
---|---|
US (1) | US3692382A (en) |
JP (1) | JPS5426936B1 (en) |
DE (1) | DE2122703C3 (en) |
FR (1) | FR2101426A5 (en) |
GB (1) | GB1353821A (en) |
HK (1) | HK36877A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2117955A (en) * | 1982-03-27 | 1983-10-19 | David Alan Kent | Illuminated sign |
GB2153577A (en) * | 1984-01-27 | 1985-08-21 | Metaplast Veb | Cuvette for carrying out and projecting chemical experiments |
WO1997012652A1 (en) * | 1995-05-05 | 1997-04-10 | Gregory Carl Heinrich Neumann | Animated picture with container partially filled with particles |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3964194A (en) * | 1975-01-22 | 1976-06-22 | Gugeler William G | Changeable color display device |
US4215500A (en) * | 1977-08-15 | 1980-08-05 | Gordon Sharp | Visual display device |
US4190312A (en) * | 1978-09-01 | 1980-02-26 | Bailey Lonnie E | Light display means |
US4332096A (en) * | 1981-06-01 | 1982-06-01 | The Michael Kohner Corp. | Gravity flow display device |
GB8520247D0 (en) * | 1985-08-13 | 1985-09-18 | Smithies G | Display devices |
DE3703979A1 (en) * | 1987-02-10 | 1988-08-18 | Winter & Sohn Ernst | DISPLAY DEVICE FOR GEMSTONES |
DE3721644A1 (en) * | 1987-03-12 | 1988-09-29 | Hans Donner | Device for generating patterns |
US5187889A (en) * | 1990-01-10 | 1993-02-23 | Kraselsky Louis J | Novelty scenic display item |
DE19626878C2 (en) * | 1996-07-04 | 1999-08-19 | Holtkamp | Projection system, consisting of an image-producing projector and a projection surface |
JP3042752U (en) * | 1997-04-22 | 1997-10-31 | 辻 輝子 | kaleidoscope |
US5985379A (en) * | 1997-07-22 | 1999-11-16 | Franklin Mint Company | Decorative display plate |
FR2834668A1 (en) * | 2002-01-15 | 2003-07-18 | Maurice Alexanian | Moving picture of snow-covered mountains with glaciers uses sand and powders immersed in a liquid to represent snow and ice |
US7665418B2 (en) * | 2006-07-31 | 2010-02-23 | Church & Dwight Co., Inc. | Non color-transferable animal litter |
US20110179682A1 (en) * | 2010-01-25 | 2011-07-28 | Cheng-Hsiung Lin | Flowing sand picture |
US20120117835A1 (en) * | 2010-01-25 | 2012-05-17 | Cheng-Hsiung Lin | Sand-flowing picture device |
CN103123091A (en) * | 2013-02-20 | 2013-05-29 | 昆山宏凌电子有限公司 | Reflective film of light-emitting diode (LED) light source and preparation method |
EP3162421B1 (en) * | 2015-10-30 | 2018-12-12 | Alfred Ewald | Hollow body with attractive movement effects |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1078008A (en) * | 1912-12-23 | 1913-11-11 | Turney G Stough | Kaleidoscope. |
US1294967A (en) * | 1918-03-23 | 1919-02-18 | Anton Stabla | Kaleidoscope. |
US1518204A (en) * | 1922-09-18 | 1924-12-09 | Addison S Husted | Kaleidoscope |
US2297767A (en) * | 1941-11-07 | 1942-10-06 | Hunt Donovan Dewey | Electroautomatic advertising machine |
US2762257A (en) * | 1954-03-11 | 1956-09-11 | Beguelin Andree | Apparatus for projecting kaleidoscopic images |
FR1166190A (en) * | 1957-02-07 | 1958-11-04 | Image generator | |
US3255661A (en) * | 1963-06-20 | 1966-06-14 | Marban Julian Gutierrez | Kaleidoscope device |
US3383150A (en) * | 1965-08-11 | 1968-05-14 | Edgar A. Powers | Kaleidoscopic viewing device |
US3358556A (en) * | 1966-10-05 | 1967-12-19 | Brown Mfg Company | Kaleidoscope projector |
GB1251233A (en) * | 1967-11-18 | 1971-10-27 | ||
US3535805A (en) * | 1968-04-26 | 1970-10-27 | Adam Peiperl | Display device |
-
1970
- 1970-05-07 US US35469A patent/US3692382A/en not_active Expired - Lifetime
-
1971
- 1971-05-06 GB GB1356971*[A patent/GB1353821A/en not_active Expired
- 1971-05-06 FR FR7116446A patent/FR2101426A5/fr not_active Expired
- 1971-05-07 DE DE2122703A patent/DE2122703C3/en not_active Expired
- 1971-05-07 JP JP3037171A patent/JPS5426936B1/ja active Pending
-
1977
- 1977-07-14 HK HK368/77A patent/HK36877A/en unknown
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2117955A (en) * | 1982-03-27 | 1983-10-19 | David Alan Kent | Illuminated sign |
GB2153577A (en) * | 1984-01-27 | 1985-08-21 | Metaplast Veb | Cuvette for carrying out and projecting chemical experiments |
WO1997012652A1 (en) * | 1995-05-05 | 1997-04-10 | Gregory Carl Heinrich Neumann | Animated picture with container partially filled with particles |
Also Published As
Publication number | Publication date |
---|---|
DE2122703C3 (en) | 1981-11-12 |
JPS5426936B1 (en) | 1979-09-06 |
FR2101426A5 (en) | 1972-03-31 |
DE2122703B2 (en) | 1980-09-18 |
HK36877A (en) | 1977-07-22 |
US3692382A (en) | 1972-09-19 |
DE2122703A1 (en) | 1971-12-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PLNP | Patent lapsed through nonpayment of renewal fees | ||
427A | Application made for restoration (sect. 27/1949) | ||
427C | Application for amendment of specification now open to opposition (sect. 27/1949) | ||
427B | Order made restoring the patent (sect. 27/1949) | ||
PCNP | Patent ceased through non-payment of renewal fee |