AT356918B - DEVICE FOR PLAYING SIGNALS FROM A PLATE WITH SPIRAL-SHAPED GROOVES - Google Patents

DEVICE FOR PLAYING SIGNALS FROM A PLATE WITH SPIRAL-SHAPED GROOVES

Info

Publication number: AT356918B
Authority: AT; Austria
Prior art keywords: spiral; plate; shaped grooves; playing signals; playing
Prior art date: 1975-09-15

Application number

AT677776A

Other languages

German (de)

Other versions

ATA677776A (en

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

1976-09-13

Publication date

1980-06-10

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

1976-09-13 Application filed by Rca Corp filed Critical Rca Corp

1979-10-15 Publication of ATA677776A publication Critical patent/ATA677776A/en

1980-06-10 Application granted granted Critical

1980-06-10 Publication of AT356918B publication Critical patent/AT356918B/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

AT677776A 1975-09-15 1976-09-13 DEVICE FOR PLAYING SIGNALS FROM A PLATE WITH SPIRAL-SHAPED GROOVES AT356918B (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 (2)

Publication Number	Publication Date
ATA677776A ATA677776A (en)	1979-10-15
AT356918B true AT356918B (en)	1980-06-10

Family

ID=26263606

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT677776A AT356918B (en)	1975-09-15	1976-09-13	DEVICE FOR PLAYING SIGNALS FROM A PLATE WITH SPIRAL-SHAPED GROOVES

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
IT1068498B (en)	1985-03-21
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
FR2324090A1 (en)	1977-04-08
DK413876A (en)	1977-03-16
ATA677776A (en)	1979-10-15
FR2324090B1 (en)	1982-07-02

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Legal Events

Date	Code	Title	Description
1986-07-15	ELJ	Ceased due to non-payment of the annual fee