CH520997A - Stylus - Google Patents
StylusInfo
- Publication number
- CH520997A CH520997A CH678271A CH678271A CH520997A CH 520997 A CH520997 A CH 520997A CH 678271 A CH678271 A CH 678271A CH 678271 A CH678271 A CH 678271A CH 520997 A CH520997 A CH 520997A
- Authority
- CH
- Switzerland
- Prior art keywords
- stylus
- Prior art date
Links
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19702023904 DE2023904B2 (en) | 1970-05-15 | 1970-05-15 | SCANNING NEEDLE |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH520997A true CH520997A (en) | 1972-03-31 |
Family
ID=5771254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH678271A CH520997A (en) | 1970-05-15 | 1971-05-07 | Stylus |
Country Status (3)
| Country | Link |
|---|---|
| CH (1) | CH520997A (en) |
| DE (1) | DE2023904B2 (en) |
| FR (1) | FR2091623A5 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2732533A1 (en) * | 1976-08-27 | 1978-03-02 | Gyger Fritz | SCANNING NEEDLE TO SCAN A TONE GROOVE FOR STEREO OR QUADROPHONY |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2568711B1 (en) * | 1984-07-31 | 1989-06-16 | Zafira | PROCESS AND DEVICE FOR MANUFACTURING ELLIPTICAL READING DIAMONDS AND ELLIPTICAL DIAMONDS THUS OBTAINED |
-
1970
- 1970-05-15 DE DE19702023904 patent/DE2023904B2/en active Pending
-
1971
- 1971-05-07 CH CH678271A patent/CH520997A/en not_active IP Right Cessation
- 1971-05-14 FR FR7117523A patent/FR2091623A5/fr not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2732533A1 (en) * | 1976-08-27 | 1978-03-02 | Gyger Fritz | SCANNING NEEDLE TO SCAN A TONE GROOVE FOR STEREO OR QUADROPHONY |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2091623A5 (en) | 1972-01-14 |
| DE2023904A1 (en) | 1972-02-03 |
| DE2023904B2 (en) | 1972-02-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |