NL53432C - - Google Patents
Info
- Publication number
- NL53432C NL53432C NL53432DA NL53432C NL 53432 C NL53432 C NL 53432C NL 53432D A NL53432D A NL 53432DA NL 53432 C NL53432 C NL 53432C
- Authority
- NL
- Netherlands
Links
Classifications
-
- 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
- G11B5/127—Structure or manufacture of heads, e.g. inductive
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S29/00—Metal working
- Y10S29/028—Magnetic recording digest
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE212669X | 1938-08-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL53432C true NL53432C (fr) | 1900-01-01 |
Family
ID=5809258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL53432D NL53432C (fr) | 1938-08-24 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2210770A (fr) |
| CH (1) | CH212669A (fr) |
| FR (1) | FR859259A (fr) |
| NL (1) | NL53432C (fr) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2427421A (en) * | 1940-06-22 | 1947-09-16 | Rieber Frank | Apparatus and method for making and analyzing geophysical records |
| US2425857A (en) * | 1943-09-24 | 1947-08-19 | Walter C Barnes | Apparatus for detecting flaws in rails |
| US2532803A (en) * | 1945-01-09 | 1950-12-05 | Gen Electric | Magnetic recording, reproducing, and erasing apparatus |
| US2428002A (en) * | 1945-03-09 | 1947-09-30 | Edward L Barrett | Wire type recording and reproducing apparatus |
| US2535481A (en) * | 1946-10-15 | 1950-12-26 | Brush Dev Co | Demagnetizing apparatus for magnetic recorders |
| US2536029A (en) * | 1946-12-05 | 1951-01-02 | Armour Res Found | Magnetic record member |
| US2655561A (en) * | 1948-08-09 | 1953-10-13 | Lawrence H Connell | Apparatus for magnetic recording |
| US2666813A (en) * | 1949-01-12 | 1954-01-19 | Armour Res Found | Magnetic duplicating method and means |
| US2635149A (en) * | 1949-12-03 | 1953-04-14 | Wilcox Gay Corp | Erasing means for magnetic recorders |
| GB900652A (en) * | 1957-11-06 | 1962-07-11 | Emi Ltd | Improvements in or relating to magnetic transducing heads |
| US3117065A (en) * | 1959-09-02 | 1964-01-07 | Magnetic Film And Tape Company | Method and apparatus for making magnetic recording tape |
| US4043297A (en) * | 1973-11-17 | 1977-08-23 | Basf Aktiengesellschaft | Device for the magnetic orientation of magnetic recording media |
-
0
- NL NL53432D patent/NL53432C/xx active
-
1939
- 1939-08-17 US US290696A patent/US2210770A/en not_active Expired - Lifetime
- 1939-08-19 CH CH212669D patent/CH212669A/de unknown
- 1939-08-22 FR FR859259D patent/FR859259A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR859259A (fr) | 1940-12-14 |
| CH212669A (de) | 1940-12-15 |
| US2210770A (en) | 1940-08-06 |