FR2387484B1 - - Google Patents

Info

Publication number
FR2387484B1
FR2387484B1 FR7801527A FR7801527A FR2387484B1 FR 2387484 B1 FR2387484 B1 FR 2387484B1 FR 7801527 A FR7801527 A FR 7801527A FR 7801527 A FR7801527 A FR 7801527A FR 2387484 B1 FR2387484 B1 FR 2387484B1
Authority
FR
France
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
Application number
FR7801527A
Other versions
FR2387484A1 (fr
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.)
Pilot Corp
Original Assignee
Pilot Pen Co Ltd
Pilot Man Nen Hitsu KK
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=FR2387484(B1) "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, Pilot Man Nen Hitsu KK filed Critical Pilot Pen Co Ltd
Publication of FR2387484A1 publication Critical patent/FR2387484A1/fr
Application granted granted Critical
Publication of FR2387484B1 publication Critical patent/FR2387484B1/fr
Granted legal-status Critical Current

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
FR7801527A 1977-04-11 1978-01-19 Panneau magnetique pour dispositif d'affichage Granted FR2387484A1 (fr)

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
FR2387484A1 FR2387484A1 (fr) 1978-11-10
FR2387484B1 true FR2387484B1 (fr) 1981-12-31

Family

ID=12600771

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7801527A Granted FR2387484A1 (fr) 1977-04-11 1978-01-19 Panneau magnetique pour dispositif d'affichage

Country Status (15)

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

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Also Published As

Publication number Publication date
HK37181A (en) 1981-07-31
NO149463C (no) 1984-04-25
CA1089964A (fr) 1980-11-18
DK153067B (da) 1988-06-13
DK28178A (da) 1978-10-12
GB1584521A (en) 1981-02-11
ES468687A1 (es) 1979-09-16
AU3279778A (en) 1979-08-02
DE2802096C2 (de) 1982-06-09
ES477093A1 (es) 1980-03-01
IT1101934B (it) 1985-10-07
FR2387484A1 (fr) 1978-11-10
JPS5947676B2 (ja) 1984-11-20
JPS53127032A (en) 1978-11-06
DE2802096A1 (de) 1978-10-12
DK153067C (da) 1988-10-31
IT7847683A0 (it) 1978-01-18
US4143472A (en) 1979-03-13
NO149463B (no) 1984-01-16
MY8200073A (en) 1982-12-31
PH20317A (en) 1986-11-25
SE7800616L (sv) 1978-10-12
SE438214B (sv) 1985-04-01
AU506215B2 (en) 1979-12-20
NO780179L (no) 1978-10-12
GB1584522A (en) 1981-02-11

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