FR2357972B1 - - Google Patents
Info
- Publication number
- FR2357972B1 FR2357972B1 FR7620945A FR7620945A FR2357972B1 FR 2357972 B1 FR2357972 B1 FR 2357972B1 FR 7620945 A FR7620945 A FR 7620945A FR 7620945 A FR7620945 A FR 7620945A FR 2357972 B1 FR2357972 B1 FR 2357972B1
- 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
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/08—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes
-
- 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
- G11B5/10—Structure or manufacture of housings or shields for heads
- G11B5/11—Shielding of head against electric or magnetic fields
- G11B5/115—Shielding devices arranged between heads or windings
Landscapes
- Engineering & Computer Science (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Devices For Checking Fares Or Tickets At Control Points (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7620945A FR2357972A1 (fr) | 1976-07-08 | 1976-07-08 | Dispositif d'enregistrement et de lecture magnetique |
BR7702515A BR7702515A (pt) | 1976-07-08 | 1977-04-20 | Dispositivo de registro e de leitura magnetica |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7620945A FR2357972A1 (fr) | 1976-07-08 | 1976-07-08 | Dispositif d'enregistrement et de lecture magnetique |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2357972A1 FR2357972A1 (fr) | 1978-02-03 |
FR2357972B1 true FR2357972B1 (ko) | 1981-04-30 |
Family
ID=9175434
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7620945A Granted FR2357972A1 (fr) | 1976-07-08 | 1976-07-08 | Dispositif d'enregistrement et de lecture magnetique |
Country Status (2)
Country | Link |
---|---|
BR (1) | BR7702515A (ko) |
FR (1) | FR2357972A1 (ko) |
-
1976
- 1976-07-08 FR FR7620945A patent/FR2357972A1/fr active Granted
-
1977
- 1977-04-20 BR BR7702515A patent/BR7702515A/pt unknown
Also Published As
Publication number | Publication date |
---|---|
FR2357972A1 (fr) | 1978-02-03 |
BR7702515A (pt) | 1978-02-28 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
CD | Change of name or company name | ||
TP | Transmission of property |