SE7800616L - Magnetisk presentationsanordning - Google Patents

Magnetisk presentationsanordning

Info

Publication number
SE7800616L
SE7800616L SE7800616A SE7800616A SE7800616L SE 7800616 L SE7800616 L SE 7800616L SE 7800616 A SE7800616 A SE 7800616A SE 7800616 A SE7800616 A SE 7800616A SE 7800616 L SE7800616 L SE 7800616L
Authority
SE
Sweden
Prior art keywords
presentation device
magnetic presentation
magnetic
presentation
Prior art date
Application number
SE7800616A
Other languages
English (en)
Other versions
SE438214B (sv
Inventor
Y Murata
T Yokoyama
H 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=SE7800616(L) "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 SE7800616L publication Critical patent/SE7800616L/sv
Publication of SE438214B publication Critical patent/SE438214B/sv

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
SE7800616A 1977-04-11 1978-01-18 Magnetisk presentationspanel SE438214B (sv)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
SE7800616L true SE7800616L (sv) 1978-10-12
SE438214B SE438214B (sv) 1985-04-01

Family

ID=12600771

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7800616A SE438214B (sv) 1977-04-11 1978-01-18 Magnetisk presentationspanel

Country Status (15)

Country Link
US (1) US4143472A (sv)
JP (1) JPS5947676B2 (sv)
AU (1) AU506215B2 (sv)
CA (1) CA1089964A (sv)
DE (1) DE2802096C2 (sv)
DK (1) DK153067C (sv)
ES (2) ES468687A1 (sv)
FR (1) FR2387484A1 (sv)
GB (2) GB1584521A (sv)
HK (1) HK37181A (sv)
IT (1) IT1101934B (sv)
MY (1) MY8200073A (sv)
NO (1) NO149463C (sv)
PH (1) PH20317A (sv)
SE (1) SE438214B (sv)

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Also Published As

Publication number Publication date
NO149463B (no) 1984-01-16
HK37181A (en) 1981-07-31
GB1584521A (en) 1981-02-11
DE2802096C2 (de) 1982-06-09
NO149463C (no) 1984-04-25
DK153067B (da) 1988-06-13
SE438214B (sv) 1985-04-01
IT1101934B (it) 1985-10-07
DE2802096A1 (de) 1978-10-12
DK28178A (da) 1978-10-12
US4143472A (en) 1979-03-13
ES477093A1 (es) 1980-03-01
CA1089964A (en) 1980-11-18
IT7847683A0 (it) 1978-01-18
NO780179L (no) 1978-10-12
ES468687A1 (es) 1979-09-16
PH20317A (en) 1986-11-25
FR2387484A1 (fr) 1978-11-10
MY8200073A (en) 1982-12-31
JPS53127032A (en) 1978-11-06
AU3279778A (en) 1979-08-02
JPS5947676B2 (ja) 1984-11-20
FR2387484B1 (sv) 1981-12-31
DK153067C (da) 1988-10-31
AU506215B2 (en) 1979-12-20
GB1584522A (en) 1981-02-11

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