JPS5220251B2 - - Google Patents
Info
- Publication number
- JPS5220251B2 JPS5220251B2 JP4901373A JP4901373A JPS5220251B2 JP S5220251 B2 JPS5220251 B2 JP S5220251B2 JP 4901373 A JP4901373 A JP 4901373A JP 4901373 A JP4901373 A JP 4901373A JP S5220251 B2 JPS5220251 B2 JP S5220251B2
- Authority
- JP
- Japan
- 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
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B3/00—Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2019072A GB1389733A (en) | 1972-05-01 | 1972-05-01 | Gramophone record players |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4949602A JPS4949602A (da) | 1974-05-14 |
| JPS5220251B2 true JPS5220251B2 (da) | 1977-06-02 |
Family
ID=10141906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4901373A Expired JPS5220251B2 (da) | 1972-05-01 | 1973-05-01 |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS5220251B2 (da) |
| BR (1) | BR7303141D0 (da) |
| CA (1) | CA981119A (da) |
| CH (1) | CH552263A (da) |
| DE (1) | DE2321766A1 (da) |
| FR (1) | FR2183026B1 (da) |
| GB (1) | GB1389733A (da) |
| IT (1) | IT984177B (da) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2597068A (en) * | 2020-07-12 | 2022-01-19 | Amalius Jonathan Freiwirth Rudolph | Audio monitor |
-
1972
- 1972-05-01 GB GB2019072A patent/GB1389733A/en not_active Expired
-
1973
- 1973-04-26 FR FR7315086A patent/FR2183026B1/fr not_active Expired
- 1973-04-27 CH CH607373A patent/CH552263A/xx not_active IP Right Cessation
- 1973-04-30 IT IT2357073A patent/IT984177B/it active
- 1973-04-30 CA CA170,107A patent/CA981119A/en not_active Expired
- 1973-04-30 BR BR314173A patent/BR7303141D0/pt unknown
- 1973-04-30 DE DE19732321766 patent/DE2321766A1/de active Pending
- 1973-05-01 JP JP4901373A patent/JPS5220251B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2183026A1 (da) | 1973-12-14 |
| BR7303141D0 (pt) | 1974-07-25 |
| DE2321766A1 (de) | 1973-11-15 |
| CA981119A (en) | 1976-01-06 |
| GB1389733A (en) | 1975-04-09 |
| CH552263A (de) | 1974-07-31 |
| IT984177B (it) | 1974-11-20 |
| FR2183026B1 (da) | 1979-02-23 |
| JPS4949602A (da) | 1974-05-14 |