GB2047456B - Speed change mechanism for gramophone turntable - Google Patents

Speed change mechanism for gramophone turntable

Info

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
Application number
GB8014635A
Other versions
GB2047456A (en
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.)
Individual
Original Assignee
Individual
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.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of GB2047456A publication Critical patent/GB2047456A/en
Application granted granted Critical
Publication of GB2047456B publication Critical patent/GB2047456B/en
Expired 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
    • G11B3/08—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
GB8014635A 1977-07-05 1978-07-04 Speed change mechanism for gramophone turntable Expired GB2047456B (en)

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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
ATA547479A (en) 1981-09-15
ZA801741B (en) 1980-09-24
ATA547179A (en) 1983-12-15
AR224235A1 (en) 1981-11-13
IT7850163A0 (en) 1978-07-04
JPS6212561B2 (en) 1987-03-19
ES479202A1 (en) 1979-12-01
GB2003644A (en) 1979-03-14
ZA801742B (en) 1980-09-24
ZA801740B (en) 1980-09-24
BR7804306A (en) 1979-04-17
AT378069B (en) 1985-06-10
IN148566B (en) 1981-04-04
FR2397039A1 (en) 1979-02-02
GB2002945A (en) 1979-02-28
AT367234B (en) 1982-06-11
GB2003644B (en) 1982-04-07
ATA547379A (en) 1982-08-15
AT370543B (en) 1983-04-11
GB2005452B (en) 1982-04-28
ATA487878A (en) 1984-10-15
ES479201A1 (en) 1979-12-01
CS214772B2 (en) 1982-05-28
FR2397039B1 (en) 1986-04-11
AT375482B (en) 1984-08-10
AU519920B2 (en) 1982-01-07
IT1106003B (en) 1985-11-11
CA1100413A (en) 1981-05-05
AU3760478A (en) 1980-01-03
DE2828954C2 (en) 1987-05-27
ZA783632B (en) 1980-05-28
DD140814A5 (en) 1980-03-26
JPS5414705A (en) 1979-02-03
GB1602953A (en) 1981-11-18
LU79928A1 (en) 1978-12-07
ES479203A1 (en) 1979-12-01
GB2002944A (en) 1979-02-28
GB2002944B (en) 1982-03-31
NL7807283A (en) 1979-01-09
MX145032A (en) 1981-12-15
GB2047456A (en) 1980-11-26
DE2828954A1 (en) 1979-01-25
AT366840B (en) 1982-05-10
BE868746A (en) 1978-11-03
ES471466A1 (en) 1980-12-16
GB2005452A (en) 1979-04-19
ATA547279A (en) 1981-10-15
ES479200A1 (en) 1979-12-01
GB2002945B (en) 1982-03-31

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee