FR790970A - Tête de machines parlantes à support de phonogrammes en acier - Google Patents
Tête de machines parlantes à support de phonogrammes en acierInfo
- Publication number
- FR790970A FR790970A FR790970DA FR790970A FR 790970 A FR790970 A FR 790970A FR 790970D A FR790970D A FR 790970DA FR 790970 A FR790970 A FR 790970A
- Authority
- FR
- France
- Prior art keywords
- phonogram
- steel
- head
- support
- speaking machines
- Prior art date
- 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
- 229910000831 Steel Inorganic materials 0.000 title 1
- 239000010959 steel Substances 0.000 title 1
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
- G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
- G11B5/58—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Toys (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2058399X | 1934-06-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR790970A true FR790970A (fr) | 1935-11-30 |
Family
ID=7982982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR790970D Expired FR790970A (fr) | 1934-06-09 | 1935-06-06 | Tête de machines parlantes à support de phonogrammes en acier |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US2058399A (fr) |
| FR (1) | FR790970A (fr) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2499895A (en) * | 1945-10-08 | 1950-03-07 | Joseph B Walker | Magnetic recording apparatus |
| US2561365A (en) * | 1948-05-06 | 1951-07-24 | Magnetic Equipment Inc | Magnetic recording head, including a device for adjusting the gap width |
| US2895014A (en) * | 1953-07-06 | 1959-07-14 | United Geophysical Corp | Magnetic recording head-moving mechanism |
-
1935
- 1935-06-06 US US25354A patent/US2058399A/en not_active Expired - Lifetime
- 1935-06-06 FR FR790970D patent/FR790970A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2058399A (en) | 1936-10-27 |
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