FR690234A - Perfectionnements aux phonographes - Google Patents
Perfectionnements aux phonographesInfo
- Publication number
- FR690234A FR690234A FR690234DA FR690234A FR 690234 A FR690234 A FR 690234A FR 690234D A FR690234D A FR 690234DA FR 690234 A FR690234 A FR 690234A
- Authority
- FR
- France
- Prior art keywords
- phonographs
- 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
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
- G11B17/08—Guiding record carriers not specifically of filamentary or web form, or of supports therefor from consecutive-access magazine of disc records
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
- G11B17/02—Details
-
- 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
- G11B3/02—Arrangements of heads
- G11B3/08—Raising, lowering, traversing otherwise than for transducing, arresting, or holding-up heads against record carriers
- G11B3/085—Raising, lowering, traversing otherwise than for transducing, arresting, or holding-up heads against record carriers using automatic means
- G11B3/08503—Control of drive of the head
- G11B3/08506—Control of drive of the head for pivoting pick-up arms
- G11B3/08509—Control of drive of the head for pivoting pick-up arms using mechanical detecting means
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US690234XA | 1929-02-19 | 1929-02-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR690234A true FR690234A (fr) | 1930-09-17 |
Family
ID=22086213
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR690234D Expired FR690234A (fr) | 1929-02-19 | 1930-02-19 | Perfectionnements aux phonographes |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE534243C (fr) |
FR (1) | FR690234A (fr) |
GB (1) | GB340169A (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL167356B (nl) * | 1952-02-11 | Air Prod & Chem | Werkwijze ter vervaardiging van thermoplastische voor- werpen door blaasvormen. |
-
1930
- 1930-02-19 GB GB5565/30A patent/GB340169A/en not_active Expired
- 1930-02-19 FR FR690234D patent/FR690234A/fr not_active Expired
- 1930-02-20 DE DE1930534243D patent/DE534243C/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB340169A (en) | 1930-12-24 |
DE534243C (de) | 1931-09-24 |
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