IT1068498B - TRANSDUCER SUPPORT ARM STRESSED BY SPRING FOR PLAYING VIDEO DISKS - Google Patents

TRANSDUCER SUPPORT ARM STRESSED BY SPRING FOR PLAYING VIDEO DISKS

Info

Publication number: IT1068498B
Authority: IT; Italy
Prior art keywords: spring; support arm; playing video; video disks; transducer support
Prior art date: 1975-09-15

Application number

IT2703876A

Other languages

Italian (it)

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.)

1975-09-15

Filing date

1976-09-09

Publication date

1985-03-21

1975-09-15 Priority claimed from GB37848/75A external-priority patent/GB1552763A/en

1976-09-09 Application filed by Rca Corp filed Critical Rca Corp

1985-03-21 Application granted granted Critical

1985-03-21 Publication of IT1068498B publication Critical patent/IT1068498B/en

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
- 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

IT2703876A 1975-09-15 1976-09-09 TRANSDUCER SUPPORT ARM STRESSED BY SPRING FOR PLAYING VIDEO DISKS IT1068498B (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
GB37848/75A GB1552763A (en)	1975-09-15	1975-09-15	Spring load stylus record playback apparatus
US05/667,307 US4077050A (en)	1975-09-15	1976-03-16	Video disc player employing a spring loaded stylus apparatus

Publications (1)

Publication Number	Publication Date
IT1068498B true IT1068498B (en)	1985-03-21

Family

ID=26263606

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT2703876A IT1068498B (en)	1975-09-15	1976-09-09	TRANSDUCER SUPPORT ARM STRESSED BY SPRING FOR PLAYING VIDEO DISKS

Country Status (11)

Country	Link
JP (1)	JPS5237004A (en)
AT (1)	AT356918B (en)
CA (1)	CA1087730A (en)
CH (1)	CH608906A5 (en)
DE (1)	DE2641560C2 (en)
DK (1)	DK141796B (en)
ES (1)	ES451541A1 (en)
FR (1)	FR2324090A1 (en)
IT (1)	IT1068498B (en)
NL (1)	NL7610194A (en)
NZ (1)	NZ182050A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5252319A (en) *	1975-09-18	1977-04-27	Rca Corp	Video disk reproducer
DE2641297C2 (en) *	1975-09-18	1984-01-26	RCA Corp., 10020 New York, N.Y.	Device in an optical disc player for releasably securing the scanning arm
DE2641296C2 (en) *	1975-09-18	1984-05-10	Rca Corp., New York, N.Y.	Device for scanning spirally recorded information with a spring-loaded scanning arm
SE409252B (en) *	1975-09-18	1979-08-06	Rca Corp	SIGNAL PICKUP CARTRIDGE
US4337536A (en) *	1980-02-04	1982-06-29	Rca Corporation	Flylead for a video disc stylus cartridge
JPS5932043Y2 (en) *	1980-11-21	1984-09-08	日本ビクター株式会社	Signal pickup device in playback equipment
US4404669A (en) *	1982-01-20	1983-09-13	Rca Corporation	Stylus assembly
GB2120446A (en) *	1982-04-08	1983-11-30	Rca Corp	Holding apparatus for a disc record signal pickup stylus

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2643886A (en) *	1948-09-25	1953-06-30	Alexander E Di Ghilini	Arm for recording and reproducing apparatus
GB1460912A (en) *	1973-03-26	1977-01-06	Rca Corp	Spring loaded stylus arm pivot
US3870835A (en) *	1973-04-16	1975-03-11	Rca Corp	Stylus control apparatus for a video disc record player
US3873783A (en) *	1974-03-28	1975-03-25	Rca Corp	Universal stylus arm pivot coupling
US3917903A (en) *	1974-11-12	1975-11-04	Rca Corp	Detachable pickup arm magnetic coupling

1976
- 1976-09-02 CA CA260,452A patent/CA1087730A/en not_active Expired
- 1976-09-08 CH CH7611412A patent/CH608906A5/en not_active IP Right Cessation
- 1976-09-09 IT IT2703876A patent/IT1068498B/en active
- 1976-09-09 JP JP51108708A patent/JPS5237004A/en active Granted
- 1976-09-13 AT AT677776A patent/AT356918B/en not_active IP Right Cessation
- 1976-09-14 DK DK413876A patent/DK141796B/en not_active IP Right Cessation
- 1976-09-14 NZ NZ18205076A patent/NZ182050A/en unknown
- 1976-09-14 FR FR7627577A patent/FR2324090A1/en active Granted
- 1976-09-14 NL NL7610194A patent/NL7610194A/en not_active Application Discontinuation
- 1976-09-15 DE DE19762641560 patent/DE2641560C2/en not_active Expired
- 1976-09-15 ES ES451541A patent/ES451541A1/en not_active Expired

Also Published As

Publication number	Publication date
ES451541A1 (en)	1977-12-01
DK141796C (en)	1980-11-03
JPS5737921B2 (en)	1982-08-12
DK141796B (en)	1980-06-16
NZ182050A (en)	1979-10-25
CA1087730A (en)	1980-10-14
JPS5237004A (en)	1977-03-22
DE2641560C2 (en)	1984-05-17
CH608906A5 (en)	1979-01-31
NL7610194A (en)	1977-03-17
DE2641560A1 (en)	1977-04-14
AT356918B (en)	1980-06-10
FR2324090A1 (en)	1977-04-08
DK413876A (en)	1977-03-16
ATA677776A (en)	1979-10-15
FR2324090B1 (en)	1982-07-02

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