DK153067C - Magnetisk fremvisningspanel. - Google Patents

Magnetisk fremvisningspanel.

Info

Publication number
DK153067C
DK153067C DK028178A DK28178A DK153067C DK 153067 C DK153067 C DK 153067C DK 028178 A DK028178 A DK 028178A DK 28178 A DK28178 A DK 28178A DK 153067 C DK153067 C DK 153067C
Authority
DK
Denmark
Prior art keywords
display panel
magnetic display
magnetic
panel
display
Prior art date
Application number
DK028178A
Other languages
Danish (da)
English (en)
Other versions
DK153067B (da
DK28178A (da
Inventor
Yasuzo Murata
Takeo Yokoyama
Hiroshi Murata
Original Assignee
Pilot Pen Co Ltd
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=12600771&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DK153067(C) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Pilot Pen Co Ltd filed Critical Pilot Pen Co Ltd
Publication of DK28178A publication Critical patent/DK28178A/da
Publication of DK153067B publication Critical patent/DK153067B/da
Application granted granted Critical
Publication of DK153067C publication Critical patent/DK153067C/da

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L1/00—Repeatedly-usable boards or tablets for writing or drawing
    • B43L1/008—Repeatedly-usable boards or tablets for writing or drawing with magnetic action
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/09—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on magneto-optical elements, e.g. exhibiting Faraday effect
    • G02F1/094—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on magneto-optical elements, e.g. exhibiting Faraday effect based on magnetophoretic effect
DK028178A 1977-04-11 1978-01-19 Magnetisk fremvisningspanel. DK153067C (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP4116477 1977-04-11
JP52041164A JPS5947676B2 (ja) 1977-04-11 1977-04-11 磁気パネル

Publications (3)

Publication Number Publication Date
DK28178A DK28178A (da) 1978-10-12
DK153067B DK153067B (da) 1988-06-13
DK153067C true DK153067C (da) 1988-10-31

Family

ID=12600771

Family Applications (1)

Application Number Title Priority Date Filing Date
DK028178A DK153067C (da) 1977-04-11 1978-01-19 Magnetisk fremvisningspanel.

Country Status (15)

Country Link
US (1) US4143472A (ja)
JP (1) JPS5947676B2 (ja)
AU (1) AU506215B2 (ja)
CA (1) CA1089964A (ja)
DE (1) DE2802096C2 (ja)
DK (1) DK153067C (ja)
ES (2) ES468687A1 (ja)
FR (1) FR2387484A1 (ja)
GB (2) GB1584522A (ja)
HK (1) HK37181A (ja)
IT (1) IT1101934B (ja)
MY (1) MY8200073A (ja)
NO (1) NO149463C (ja)
PH (1) PH20317A (ja)
SE (1) SE438214B (ja)

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Also Published As

Publication number Publication date
AU506215B2 (en) 1979-12-20
NO149463C (no) 1984-04-25
PH20317A (en) 1986-11-25
GB1584521A (en) 1981-02-11
MY8200073A (en) 1982-12-31
DE2802096A1 (de) 1978-10-12
AU3279778A (en) 1979-08-02
CA1089964A (en) 1980-11-18
HK37181A (en) 1981-07-31
DE2802096C2 (de) 1982-06-09
FR2387484A1 (fr) 1978-11-10
US4143472A (en) 1979-03-13
JPS53127032A (en) 1978-11-06
DK153067B (da) 1988-06-13
SE7800616L (sv) 1978-10-12
IT1101934B (it) 1985-10-07
FR2387484B1 (ja) 1981-12-31
SE438214B (sv) 1985-04-01
ES477093A1 (es) 1980-03-01
NO149463B (no) 1984-01-16
GB1584522A (en) 1981-02-11
NO780179L (no) 1978-10-12
DK28178A (da) 1978-10-12
ES468687A1 (es) 1979-09-16
JPS5947676B2 (ja) 1984-11-20
IT7847683A0 (it) 1978-01-18

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PUP Patent expired