BE479771A - - Google Patents
Info
- Publication number
- BE479771A BE479771A BE479771DA BE479771A BE 479771 A BE479771 A BE 479771A BE 479771D A BE479771D A BE 479771DA BE 479771 A BE479771 A BE 479771A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/64—Automatic arrangements for answering calls; Automatic arrangements for recording messages for absent subscribers; Arrangements for recording conversations
- H04M1/65—Recording arrangements for recording a message from the calling party
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- 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
- G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
- G11B5/024—Erasing
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- 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
- G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
- G11B5/027—Analogue recording
- G11B5/03—Biasing
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH262322T | 1947-02-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE479771A true BE479771A (sv) |
Family
ID=4474309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE479771D BE479771A (sv) | 1947-02-01 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE479771A (sv) |
| CH (1) | CH262322A (sv) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1057792B (de) * | 1953-12-28 | 1959-05-21 | Protona Produktionsgesellschaf | Schaltungsanordnung fuer Magnettongeraete fuer Aufnahme und Wiedergabe |
-
0
- BE BE479771D patent/BE479771A/xx unknown
-
1947
- 1947-02-01 CH CH262322D patent/CH262322A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH262322A (de) | 1949-06-30 |