GB2047456B - Speed change mechanism for gramophone turntable - Google Patents
Speed change mechanism for gramophone turntableInfo
- Publication number
- GB2047456B GB2047456B GB8014635A GB8014635A GB2047456B GB 2047456 B GB2047456 B GB 2047456B GB 8014635 A GB8014635 A GB 8014635A GB 8014635 A GB8014635 A GB 8014635A GB 2047456 B GB2047456 B GB 2047456B
- Authority
- GB
- United Kingdom
- Prior art keywords
- speed change
- change mechanism
- gramophone turntable
- gramophone
- turntable
- 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
- 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
- G11B3/095—Raising, lowering, traversing otherwise than for transducing, arresting, or holding-up heads against record carriers for repeating a part of the record; for beginning or stopping at a desired point of the record
- G11B3/0952—Raising, lowering, traversing otherwise than for transducing, arresting, or holding-up heads against record carriers for repeating a part of the record; for beginning or stopping at a desired point of the record using automatic means
- G11B3/0955—Raising, lowering, traversing otherwise than for transducing, arresting, or holding-up heads against record carriers for repeating a part of the record; for beginning or stopping at a desired point of the record using automatic means using mechanical means for detecting the end of the recording
-
- 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
- G11B17/12—Guiding record carriers not specifically of filamentary or web form, or of supports therefor from consecutive-access magazine of disc records with axial transfer to the turntable from a stack with a vertical axis
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
- G11B19/02—Control of operating function, e.g. switching from recording to reproducing
- G11B19/10—Control of operating function, e.g. switching from recording to reproducing by sensing presence or absence of record in accessible stored position or on turntable
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
- G11B19/20—Driving; Starting; Stopping; Control thereof
- G11B19/22—Brakes other than speed-regulating brakes
-
- 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
- G11B3/08535—Driving the head
- G11B3/08538—Driving the head the head being driven by the same means as the record can
- G11B3/08541—Driving the head the head being driven by the same means as the record can for pivoting pick-up arms
- G11B3/08545—Driving the head the head being driven by the same means as the record can for pivoting pick-up arms driven by cams
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US81322577A | 1977-07-05 | 1977-07-05 |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2047456A GB2047456A (en) | 1980-11-26 |
GB2047456B true GB2047456B (en) | 1982-04-07 |
Family
ID=25211814
Family Applications (6)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB21318/78A Expired GB1602953A (en) | 1977-07-05 | 1978-05-23 | Automatic record changer |
GB8014635A Expired GB2047456B (en) | 1977-07-05 | 1978-07-04 | Speed change mechanism for gramophone turntable |
GB7828743A Expired GB2002944B (en) | 1977-07-05 | 1978-07-04 | Automatic record changer |
GB7828744A Expired GB2002945B (en) | 1977-07-05 | 1978-07-04 | Automatic record changer |
GB7828742A Expired GB2003644B (en) | 1977-07-05 | 1978-07-04 | Automatic record changer |
GB7828741A Expired GB2005452B (en) | 1977-07-05 | 1978-07-04 | Automatic record changer |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB21318/78A Expired GB1602953A (en) | 1977-07-05 | 1978-05-23 | Automatic record changer |
Family Applications After (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB7828743A Expired GB2002944B (en) | 1977-07-05 | 1978-07-04 | Automatic record changer |
GB7828744A Expired GB2002945B (en) | 1977-07-05 | 1978-07-04 | Automatic record changer |
GB7828742A Expired GB2003644B (en) | 1977-07-05 | 1978-07-04 | Automatic record changer |
GB7828741A Expired GB2005452B (en) | 1977-07-05 | 1978-07-04 | Automatic record changer |
Country Status (19)
Country | Link |
---|---|
JP (1) | JPS5414705A (en) |
AR (1) | AR224235A1 (en) |
AT (5) | AT378069B (en) |
AU (1) | AU519920B2 (en) |
BE (1) | BE868746A (en) |
BR (1) | BR7804306A (en) |
CA (1) | CA1100413A (en) |
CS (1) | CS214772B2 (en) |
DD (1) | DD140814A5 (en) |
DE (1) | DE2828954A1 (en) |
ES (5) | ES471466A1 (en) |
FR (1) | FR2397039B1 (en) |
GB (6) | GB1602953A (en) |
IN (1) | IN148566B (en) |
IT (1) | IT1106003B (en) |
LU (1) | LU79928A1 (en) |
MX (1) | MX145032A (en) |
NL (1) | NL7807283A (en) |
ZA (4) | ZA801741B (en) |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB626390A (en) * | 1941-04-10 | 1949-07-14 | Soundscriber Corp | Improvements in or relating to phonographs |
US2662772A (en) * | 1949-07-20 | 1953-12-15 | Milwaukee Stamping Company | Automatic record changer for various record sizes |
US3218078A (en) * | 1962-11-28 | 1965-11-16 | Vm Corp | Automatic record changer |
GB1029075A (en) * | 1963-10-10 | 1966-05-11 | Foster Mallard Ltd | Improvements in or relating to sound reproducing machines |
GB1124591A (en) * | 1965-02-15 | 1968-08-21 | Hans Christian Hansen | Phonograph |
US3801109A (en) * | 1971-05-27 | 1974-04-02 | Warwick Electronics Inc | Record changer |
US3963245A (en) * | 1974-01-12 | 1976-06-15 | Trio Electronics Incorporated | Apparatus for automatically returning a pick-up arm in a record player |
-
1978
- 1978-05-23 GB GB21318/78A patent/GB1602953A/en not_active Expired
- 1978-06-08 IN IN426/DEL/78A patent/IN148566B/en unknown
- 1978-06-15 AR AR272624A patent/AR224235A1/en active
- 1978-06-19 CA CA305,754A patent/CA1100413A/en not_active Expired
- 1978-06-26 ZA ZA00801741A patent/ZA801741B/en unknown
- 1978-06-26 ZA ZA783632A patent/ZA783632B/en unknown
- 1978-06-26 ZA ZA00801742A patent/ZA801742B/en unknown
- 1978-06-26 ZA ZA00801740A patent/ZA801740B/en unknown
- 1978-06-29 AU AU37604/78A patent/AU519920B2/en not_active Expired
- 1978-06-30 DE DE19782828954 patent/DE2828954A1/en active Granted
- 1978-07-03 JP JP8083278A patent/JPS5414705A/en active Granted
- 1978-07-04 GB GB8014635A patent/GB2047456B/en not_active Expired
- 1978-07-04 GB GB7828743A patent/GB2002944B/en not_active Expired
- 1978-07-04 GB GB7828744A patent/GB2002945B/en not_active Expired
- 1978-07-04 GB GB7828742A patent/GB2003644B/en not_active Expired
- 1978-07-04 GB GB7828741A patent/GB2005452B/en not_active Expired
- 1978-07-04 BR BR7804306A patent/BR7804306A/en unknown
- 1978-07-04 IT IT50163/78A patent/IT1106003B/en active
- 1978-07-05 MX MX174053A patent/MX145032A/en unknown
- 1978-07-05 AT AT0487878A patent/AT378069B/en not_active IP Right Cessation
- 1978-07-05 BE BE2057121A patent/BE868746A/en not_active IP Right Cessation
- 1978-07-05 CS CS784476A patent/CS214772B2/en unknown
- 1978-07-05 FR FR7819961A patent/FR2397039B1/en not_active Expired
- 1978-07-05 ES ES471466A patent/ES471466A1/en not_active Expired
- 1978-07-05 DD DD78206539A patent/DD140814A5/en unknown
- 1978-07-05 NL NL7807283A patent/NL7807283A/en not_active Application Discontinuation
- 1978-07-05 LU LU79928A patent/LU79928A1/xx unknown
-
1979
- 1979-04-02 ES ES479200A patent/ES479200A1/en not_active Expired
- 1979-04-02 ES ES479201A patent/ES479201A1/en not_active Expired
- 1979-04-02 ES ES479202A patent/ES479202A1/en not_active Expired
- 1979-04-02 ES ES479203A patent/ES479203A1/en not_active Expired
- 1979-08-10 AT AT0547179A patent/AT375482B/en active
- 1979-08-10 AT AT0547279A patent/AT367234B/en not_active IP Right Cessation
- 1979-08-10 AT AT0547379A patent/AT370543B/en not_active IP Right Cessation
- 1979-08-10 AT AT0547479A patent/AT366840B/en not_active IP Right Cessation
Also Published As
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |