GB389728A - Improved sound record for reproduction by magnetic or electrical means - Google Patents
Improved sound record for reproduction by magnetic or electrical meansInfo
- Publication number
- GB389728A GB389728A GB22862/32A GB2286232A GB389728A GB 389728 A GB389728 A GB 389728A GB 22862/32 A GB22862/32 A GB 22862/32A GB 2286232 A GB2286232 A GB 2286232A GB 389728 A GB389728 A GB 389728A
- Authority
- GB
- United Kingdom
- Prior art keywords
- strip
- magnetic
- record
- reproduction
- coil
- 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
- 239000011810 insulating material Substances 0.000 abstract 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 1
- 229920002160 Celluloid Polymers 0.000 abstract 1
- 229920002678 cellulose Polymers 0.000 abstract 1
- 239000001913 cellulose Substances 0.000 abstract 1
- 229910002804 graphite Inorganic materials 0.000 abstract 1
- 239000010439 graphite Substances 0.000 abstract 1
- 239000000696 magnetic material Substances 0.000 abstract 1
- 230000005415 magnetization Effects 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 238000009877 rendering Methods 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
-
- 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
- G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
- G11B5/78—Tape carriers
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B9/00—Recording or reproducing using a method not covered by one of the main groups G11B3/00 - G11B7/00; Record carriers therefor
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B9/00—Recording or reproducing using a method not covered by one of the main groups G11B3/00 - G11B7/00; Record carriers therefor
- G11B9/06—Recording or reproducing using a method not covered by one of the main groups G11B3/00 - G11B7/00; Record carriers therefor using record carriers having variable electrical capacitance; Record carriers therefor
- G11B9/061—Record carriers characterised by their structure or form or by the selection of the material; Apparatus or processes specially adapted for the manufacture of record carriers
- G11B9/062—Record carriers characterised by their structure or form or by the selection of the material; Apparatus or processes specially adapted for the manufacture of record carriers characterised by the form, e.g. comprising mechanical protection elements
Landscapes
- Electrophonic Musical Instruments (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE389728X | 1931-08-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB389728A true GB389728A (en) | 1933-03-23 |
Family
ID=6371465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB22862/32A Expired GB389728A (en) | 1931-08-14 | 1932-08-15 | Improved sound record for reproduction by magnetic or electrical means |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR741092A (enExample) |
| GB (1) | GB389728A (enExample) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1059681B (de) * | 1953-10-20 | 1959-06-18 | Siemens Ag | Einrichtung zur Aufzeichnung oder Abtastung von Magnetogrammen |
| US4538252A (en) * | 1981-08-24 | 1985-08-27 | International Business Machines Corporation | Light induced capacitance changes in donor polymers (or small molecules) films and its use for information storage in video disks and the like |
-
0
- FR FR741092D patent/FR741092A/fr not_active Expired
-
1932
- 1932-08-15 GB GB22862/32A patent/GB389728A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR741092A (enExample) | 1933-02-04 |
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