PT85449A - Dispositivo de proteccao contra o fluxo magnetico ambiente de objectos susceptiveis de serem alterados por um fluxo magnetico, em particular objectos que apresentam um suporte de gravacoes magneticas - Google Patents

Dispositivo de proteccao contra o fluxo magnetico ambiente de objectos susceptiveis de serem alterados por um fluxo magnetico, em particular objectos que apresentam um suporte de gravacoes magneticas

Info

Publication number
PT85449A
PT85449A PT85449A PT8544987A PT85449A PT 85449 A PT85449 A PT 85449A PT 85449 A PT85449 A PT 85449A PT 8544987 A PT8544987 A PT 8544987A PT 85449 A PT85449 A PT 85449A
Authority
PT
Portugal
Prior art keywords
magnetic
objects
flow
protecting
gravacation
Prior art date
Application number
PT85449A
Other languages
English (en)
Other versions
PT85449B (pt
Original Assignee
Lesage Christian
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 Lesage Christian filed Critical Lesage Christian
Publication of PT85449A publication Critical patent/PT85449A/pt
Publication of PT85449B publication Critical patent/PT85449B/pt

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K9/00—Screening of apparatus or components against electric or magnetic fields
    • H05K9/0073—Shielding materials
    • H05K9/0075—Magnetic shielding materials
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
    • A45C11/00—Receptacles for purposes not provided for in groups A45C1/00-A45C9/00
    • A45C11/18—Ticket-holders or the like
    • A45C11/182—Credit card holders
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Magnetic Record Carriers (AREA)
  • Soft Magnetic Materials (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Paints Or Removers (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Pinball Game Machines (AREA)
  • Protection Of Generators And Motors (AREA)
  • Burglar Alarm Systems (AREA)
  • Tests Of Circuit Breakers, Generators, And Electric Motors (AREA)
PT85449A 1986-07-29 1987-07-29 Dispositivo de proteccao contra o fluxo magnetico ambiente de objectos susceptiveis de serem alterados por um fluxo magnetico, em particular objectos que apresentam um suporte de gravacoes magneticas PT85449B (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8610960A FR2602906B1 (fr) 1986-07-29 1986-07-29 Materiau pour la realisation de dispositifs de protection, contre l'environnement magnetique, d'objets presentant un support d'inscriptions magnetiques, et dispositifs de protections realises avec un tel materiau

Publications (2)

Publication Number Publication Date
PT85449A true PT85449A (pt) 1988-07-29
PT85449B PT85449B (pt) 1993-07-30

Family

ID=9337825

Family Applications (1)

Application Number Title Priority Date Filing Date
PT85449A PT85449B (pt) 1986-07-29 1987-07-29 Dispositivo de proteccao contra o fluxo magnetico ambiente de objectos susceptiveis de serem alterados por um fluxo magnetico, em particular objectos que apresentam um suporte de gravacoes magneticas

Country Status (10)

Country Link
EP (1) EP0275290B1 (pt)
JP (1) JPH01500382A (pt)
AT (1) ATE68904T1 (pt)
CA (1) CA1297184C (pt)
DK (1) DK168972B1 (pt)
ES (1) ES2004958A6 (pt)
FR (1) FR2602906B1 (pt)
GR (1) GR871200B (pt)
PT (1) PT85449B (pt)
WO (1) WO1988001091A1 (pt)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA89872B (en) * 1988-02-04 1990-10-31 Uniscan Ltd Concentrator
US4836293A (en) * 1988-11-21 1989-06-06 Eastman Kodak Company Shielding method for use with electromagnetic balance
US5397881A (en) * 1993-11-22 1995-03-14 Mannik; Kallis H. Third millenium credit card with magnetically onto it written multiple validity dates, from which is one single day as the credit card's validity day selected day after day by the legitimate card owner
DE29618546U1 (de) * 1996-10-24 1997-01-23 Simanok, Thomas, 71229 Leonberg Etui für Karten mit Magnetstreifen und/oder Chips

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1812660A1 (de) * 1968-11-29 1970-06-11 Reich K & F Tech Spez Vorrichtung zum Abschirmen von elektrotechnischen Geraeten gegen stoerende Felder und Strahlen
DE2631091A1 (de) * 1976-07-10 1978-01-12 Adelt Ingeborg Ingeplastik Schutzkassette fuer identkarte
US4174419A (en) * 1978-11-08 1979-11-13 Allied Chemical Corporation Stabilized magnetic shields
JPS585780U (ja) * 1981-07-03 1983-01-14 キスコ株式会社 バンク・カ−ド用保護ケ−ス
JPS59161557U (ja) * 1983-04-13 1984-10-29 三信物産株式会社 カセツトテ−プ用容器
JPS59196470U (ja) * 1983-06-16 1984-12-27 株式会社リコー 磁気記録媒体保管容器
JPS59145755U (ja) * 1983-10-24 1984-09-28 朝日化成工業株式会社 耐磁気性フロツピイデイスクケ−ス
JPS5994874U (ja) * 1983-10-24 1984-06-27 朝日化成工業株式会社 耐磁気性預金通帳ケ−ス
JPS6152372U (pt) * 1984-04-09 1986-04-08
JPS60192179U (ja) * 1984-05-30 1985-12-20 久井　宗裕 磁気デイスク保護ケ−ス用の磁気遮へい材

Also Published As

Publication number Publication date
PT85449B (pt) 1993-07-30
JPH01500382A (ja) 1989-02-09
GR871200B (en) 1987-10-15
DK168972B1 (da) 1994-07-18
ATE68904T1 (de) 1991-11-15
DK165888A (da) 1988-03-25
CA1297184C (fr) 1992-03-10
DK165888D0 (da) 1988-03-25
FR2602906B1 (fr) 1991-10-31
EP0275290A1 (fr) 1988-07-27
ES2004958A6 (es) 1989-02-16
FR2602906A1 (fr) 1988-02-19
EP0275290B1 (fr) 1991-10-23
WO1988001091A1 (fr) 1988-02-11

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Legal Events

Date Code Title Description
FG3A Patent granted, date of granting

Effective date: 19930121

MM3A Annulment or lapse

Free format text: LAPSE DUE TO NON-PAYMENT OF FEES

Effective date: 19990731