FR2325142B1 - - Google Patents

Info

Publication number: FR2325142B1
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

Application number

FR7628039A

Other languages

French (fr)

Other versions

FR2325142A1 (fr

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

RCA Corp

Original Assignee

RCA Corp

Priority date (The priority date 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 date listed.)

1975-09-18

Filing date

1976-09-17

Publication date

1983-03-11

1976-03-16 Priority claimed from US05/667,388 external-priority patent/US4040635A/en

1976-09-17 Application filed by RCA Corp filed Critical RCA Corp

1977-04-15 Publication of FR2325142A1 publication Critical patent/FR2325142A1/fr

1983-03-11 Application granted granted Critical

1983-03-11 Publication of FR2325142B1 publication Critical patent/FR2325142B1/fr

Status Granted legal-status Critical Current

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

FR7628039A 1975-09-18 1976-09-17 Couplage magnetique amovible pour bras de lecture d'un appareil de reproduction de videodisques Granted FR2325142A1 (fr)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Legal Events

Date	Code	Title	Description
1986-07-25	ST	Notification of lapse

Publication	Publication Date	Title
FR2306961B1 (de)	1979-09-07
JPS5737921B2 (de)	1982-08-12
BG22195A1 (de)	1977-02-20
BG22340A1 (de)	1977-02-20
BG22742A1 (de)	1977-04-20
BG22883A1 (de)	1977-05-20
BG22944A1 (de)	1977-05-20
BG23081A1 (de)	1977-07-12
BG23147A1 (de)	1977-07-12
BG23303A1 (de)	1977-08-10
BG23319A1 (de)	1977-08-10
CH579943A5 (de)	1976-09-30
CH581801A5 (de)	1976-11-15
CH585570A5 (de)	1977-03-15
CH587944A5 (de)	1977-05-13
CH588871A5 (de)	1977-06-15
CH589013A5 (de)	1977-06-30
CH589275A5 (de)	1977-06-30
CH589464A5 (de)	1977-07-15
CH590068A5 (de)	1977-07-29
CH590141A5 (de)	1977-07-29
CH590451A5 (de)	1977-08-15
CH590555A5 (de)	1977-08-15
CH593685A5 (de)	1977-12-15
CH593733A5 (de)	1977-12-15