DE69211948D1 - Verfahren und Vorrichtung zur Herstellung von zweifarbigen Kugeln für eine Drehkugelanzeige - Google Patents

Verfahren und Vorrichtung zur Herstellung von zweifarbigen Kugeln für eine Drehkugelanzeige

Info

Publication number
DE69211948D1
DE69211948D1 DE69211948T DE69211948T DE69211948D1 DE 69211948 D1 DE69211948 D1 DE 69211948D1 DE 69211948 T DE69211948 T DE 69211948T DE 69211948 T DE69211948 T DE 69211948T DE 69211948 D1 DE69211948 D1 DE 69211948D1
Authority
DE
Germany
Prior art keywords
producing
rotating ball
ball display
color balls
balls
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 - Lifetime
Application number
DE69211948T
Other languages
English (en)
Other versions
DE69211948T2 (de
Inventor
Nicholas K Sheridon
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xerox Corp
Original Assignee
Xerox Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Xerox Corp filed Critical Xerox Corp
Publication of DE69211948D1 publication Critical patent/DE69211948D1/de
Application granted granted Critical
Publication of DE69211948T2 publication Critical patent/DE69211948T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • G02B26/02—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the intensity of light
    • G02B26/026—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the intensity of light based on the rotation of particles under the influence of an external field, e.g. gyricons, twisting ball displays
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • B01J2/02—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops
    • B01J2/06—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops in a liquid medium
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/37—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being movable elements
    • G09F9/372—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being movable elements the positions of the elements being controlled by the application of an electric field
DE69211948T 1991-10-29 1992-10-26 Verfahren und Vorrichtung zur Herstellung von zweifarbigen Kugeln für eine Drehkugelanzeige Expired - Lifetime DE69211948T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US78429491A 1991-10-29 1991-10-29

Publications (2)

Publication Number Publication Date
DE69211948D1 true DE69211948D1 (de) 1996-08-08
DE69211948T2 DE69211948T2 (de) 1996-11-28

Family

ID=25131997

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69211948T Expired - Lifetime DE69211948T2 (de) 1991-10-29 1992-10-26 Verfahren und Vorrichtung zur Herstellung von zweifarbigen Kugeln für eine Drehkugelanzeige

Country Status (4)

Country Link
US (1) US5344594A (de)
EP (1) EP0540281B1 (de)
JP (1) JP3164919B2 (de)
DE (1) DE69211948T2 (de)

Families Citing this family (186)

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DE69211948T2 (de) 1996-11-28
JP3164919B2 (ja) 2001-05-14
EP0540281B1 (de) 1996-07-03
US5344594A (en) 1994-09-06
JPH05279486A (ja) 1993-10-26
EP0540281A3 (en) 1993-06-30

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