IT958050B - AUTOMATIC DISC CHANGER - Google Patents

AUTOMATIC DISC CHANGER

Info

Publication number
IT958050B
IT958050B IT50475/72A IT5047572A IT958050B IT 958050 B IT958050 B IT 958050B IT 50475/72 A IT50475/72 A IT 50475/72A IT 5047572 A IT5047572 A IT 5047572A IT 958050 B IT958050 B IT 958050B
Authority
IT
Italy
Prior art keywords
disc changer
automatic disc
automatic
changer
disc
Prior art date
Application number
IT50475/72A
Other languages
Italian (it)
Original Assignee
Warwick Electronics Inc
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 Warwick Electronics Inc filed Critical Warwick Electronics Inc
Application granted granted Critical
Publication of IT958050B publication Critical patent/IT958050B/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
    • G11B3/08—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
    • 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
    • G11B17/16—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 by mechanism in stationary centre post, e.g. with stepped post, using fingers on post
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/14—Electrothermal mechanisms
    • H01H71/16—Electrothermal mechanisms with bimetal element
    • H01H71/162—Electrothermal mechanisms with bimetal element with compensation for ambient temperature
IT50475/72A 1971-05-27 1972-05-25 AUTOMATIC DISC CHANGER IT958050B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US14749971A 1971-05-27 1971-05-27

Publications (1)

Publication Number Publication Date
IT958050B true IT958050B (en) 1973-10-20

Family

ID=22521808

Family Applications (1)

Application Number Title Priority Date Filing Date
IT50475/72A IT958050B (en) 1971-05-27 1972-05-25 AUTOMATIC DISC CHANGER

Country Status (8)

Country Link
US (1) US3801109A (en)
BE (1) BE784075A (en)
CA (1) CA948115A (en)
DE (1) DE2222962A1 (en)
FR (1) FR2139116B1 (en)
GB (1) GB1356491A (en)
IT (1) IT958050B (en)
NL (1) NL7206567A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2250178C3 (en) * 1972-10-13 1978-09-07 Philips Patentverwaltung Gmbh, 2000 Hamburg Switching device for record player or changer
US3963245A (en) * 1974-01-12 1976-06-15 Trio Electronics Incorporated Apparatus for automatically returning a pick-up arm in a record player
JPS51103150A (en) * 1975-03-07 1976-09-11 Matsushita Electric Ind Co Ltd Kinzokuseikibanheno goseijushiseibuhinno itsutaikeiseihoho
JPS5411848Y2 (en) * 1975-03-14 1979-05-26
JPS5535830Y2 (en) * 1975-08-18 1980-08-23
US4291886A (en) * 1977-07-05 1981-09-29 James T. Dennis Automatic record changer
GB1602953A (en) * 1977-07-05 1981-11-18 Dennis James T Automatic record changer

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2457106A (en) * 1944-01-24 1948-12-21 Farnsworth Res Corp Phonograph apparatus
US2983515A (en) * 1950-05-11 1961-05-09 Admiral Corp Automatic record player
US3110500A (en) * 1959-05-19 1963-11-12 Hansen Hans Christian Phonographs
US3218078A (en) * 1962-11-28 1965-11-16 Vm Corp Automatic record changer
US3197212A (en) * 1963-03-04 1965-07-27 Warwick Electronics Inc Record changer
US3248867A (en) * 1963-11-07 1966-05-03 Sunbeam Corp Clock motor and movement
US3394938A (en) * 1964-10-08 1968-07-30 Warwick Electronics Inc Record changer
US3346261A (en) * 1965-07-26 1967-10-10 Admiral Corp Phonograph spindle actuation lever

Also Published As

Publication number Publication date
FR2139116B1 (en) 1973-07-13
CA948115A (en) 1974-05-28
DE2222962A1 (en) 1972-12-07
NL7206567A (en) 1972-11-29
BE784075A (en) 1972-09-18
FR2139116A1 (en) 1973-01-05
GB1356491A (en) 1974-06-12
US3801109A (en) 1974-04-02

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