FR2325142B1 - - Google Patents
Info
- Publication number
- FR2325142B1 FR2325142B1 FR7628039A FR7628039A FR2325142B1 FR 2325142 B1 FR2325142 B1 FR 2325142B1 FR 7628039 A FR7628039 A FR 7628039A FR 7628039 A FR7628039 A FR 7628039A FR 2325142 B1 FR2325142 B1 FR 2325142B1
- Authority
- FR
- France
- 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
- G11B3/02—Arrangements of heads
- G11B3/10—Arranging, supporting, or driving of heads or of transducers relatively to record carriers
- G11B3/12—Supporting in balanced, counterbalanced or loaded operative position during transducing, e.g. loading in direction of traverse
- G11B3/20—Supporting in balanced, counterbalanced or loaded operative position during transducing, e.g. loading in direction of traverse by elastic means, e.g. spring
- G11B3/26—Supporting in balanced, counterbalanced or loaded operative position during transducing, e.g. loading in direction of traverse by elastic means, e.g. spring acting to increase pressure on record
-
- 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
-
- 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
- G11B3/10—Arranging, supporting, or driving of heads or of transducers relatively to record carriers
- G11B3/34—Driving or guiding during transducing operation
-
- 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
- G11B3/44—Styli, e.g. sapphire, diamond
- G11B3/46—Constructions or forms ; Dispositions or mountings, e.g. attachment of point to shank
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3845875 | 1975-09-18 | ||
US05/667,388 US4040635A (en) | 1975-09-18 | 1976-03-16 | Releasable stylus arm magnetic coupling |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2325142A1 FR2325142A1 (fr) | 1977-04-15 |
FR2325142B1 true FR2325142B1 (de) | 1983-03-11 |
Family
ID=26263815
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7628039A Granted FR2325142A1 (fr) | 1975-09-18 | 1976-09-17 | Couplage magnetique amovible pour bras de lecture d'un appareil de reproduction de videodisques |
Country Status (3)
Country | Link |
---|---|
JP (2) | JPS5253402A (de) |
DE (2) | DE2660134C2 (de) |
FR (1) | FR2325142A1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE409252B (sv) * | 1975-09-18 | 1979-08-06 | Rca Corp | Signalpickuppatron |
JPS5252319A (en) * | 1975-09-18 | 1977-04-27 | Rca Corp | Video disk reproducer |
DE2641296C2 (de) * | 1975-09-18 | 1984-05-10 | Rca Corp., New York, N.Y. | Vorrichtung zum Abtasten von spiralförmig aufgezeichneten Informationen mit einem federbelasteten Abtastarm |
US4333174A (en) * | 1980-06-30 | 1982-06-01 | Rca Corporation | Transducer displacement apparatus for video disc player |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1147550A (en) * | 1967-01-13 | 1969-04-02 | Dual Gebrueder Steidinger | Record pickup with reversible stylus holder |
GB1426328A (en) | 1972-04-19 | 1976-02-25 | Rca Corp | Stylus arm structure |
GB1460912A (en) * | 1973-03-26 | 1977-01-06 | Rca Corp | Spring loaded stylus arm pivot |
USB351598I5 (de) * | 1973-04-16 | 1975-01-28 | ||
US3952147A (en) * | 1974-11-12 | 1976-04-20 | Rca Corporation | Pickup arm cartridge |
US3917903A (en) * | 1974-11-12 | 1975-11-04 | Rca Corp | Detachable pickup arm magnetic coupling |
US3952145A (en) * | 1974-11-12 | 1976-04-20 | Rca Corporation | Pickup arm cartridge apparatus |
CA1087730A (en) * | 1975-09-15 | 1980-10-14 | Rca Corporation | Spring loaded pickup arm for video disc playback |
SE409252B (sv) * | 1975-09-18 | 1979-08-06 | Rca Corp | Signalpickuppatron |
DE2641296C2 (de) * | 1975-09-18 | 1984-05-10 | Rca Corp., New York, N.Y. | Vorrichtung zum Abtasten von spiralförmig aufgezeichneten Informationen mit einem federbelasteten Abtastarm |
-
1976
- 1976-09-14 DE DE19762660134 patent/DE2660134C2/de not_active Expired
- 1976-09-14 DE DE19762641297 patent/DE2641297C2/de not_active Expired
- 1976-09-17 JP JP11238276A patent/JPS5253402A/ja active Granted
- 1976-09-17 FR FR7628039A patent/FR2325142A1/fr active Granted
-
1978
- 1978-02-23 JP JP2076978A patent/JPS6014401B2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2325142A1 (fr) | 1977-04-15 |
JPS53111702A (en) | 1978-09-29 |
JPS5253402A (en) | 1977-04-30 |
DE2660134C2 (de) | 1984-08-09 |
DE2641297C2 (de) | 1984-01-26 |
DE2641297A1 (de) | 1977-04-14 |
JPS6014401B2 (ja) | 1985-04-13 |
JPS5333245B2 (de) | 1978-09-13 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |