IT1057478B - Perfezionamento nei fonografi a due velocita - Google Patents

Perfezionamento nei fonografi a due velocita

Info

Publication number
IT1057478B
IT1057478B IT48915/76A IT4891576A IT1057478B IT 1057478 B IT1057478 B IT 1057478B IT 48915/76 A IT48915/76 A IT 48915/76A IT 4891576 A IT4891576 A IT 4891576A IT 1057478 B IT1057478 B IT 1057478B
Authority
IT
Italy
Prior art keywords
phonographers
improvement
speed
speed phonographers
Prior art date
Application number
IT48915/76A
Other languages
English (en)
Original Assignee
Wurlitzer Co
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 Wurlitzer Co filed Critical Wurlitzer Co
Application granted granted Critical
Publication of IT1057478B publication Critical patent/IT1057478B/it

Links

Classifications

    • 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
    • G11B19/26—Speed-changing arrangements; Reversing arrangements; Drive-transfer means therefor
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07F—COIN-FREED OR LIKE APPARATUS
    • G07F17/00—Coin-freed apparatus for hiring articles; Coin-freed facilities or services
    • G07F17/30—Coin-freed apparatus for hiring articles; Coin-freed facilities or services for musical instruments
    • 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
    • G11B17/22—Guiding record carriers not specifically of filamentary or web form, or of supports therefor from random access magazine of disc records
    • G11B17/24—Guiding record carriers not specifically of filamentary or web form, or of supports therefor from random access magazine of disc records the magazine having a toroidal or part-toroidal shape

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Rotational Drive Of Disk (AREA)
IT48915/76A 1975-04-18 1976-04-07 Perfezionamento nei fonografi a due velocita IT1057478B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/569,213 US4000906A (en) 1975-04-18 1975-04-18 Two-speed automatic phonograph

Publications (1)

Publication Number Publication Date
IT1057478B true IT1057478B (it) 1982-03-10

Family

ID=24274533

Family Applications (1)

Application Number Title Priority Date Filing Date
IT48915/76A IT1057478B (it) 1975-04-18 1976-04-07 Perfezionamento nei fonografi a due velocita

Country Status (5)

Country Link
US (1) US4000906A (it)
JP (1) JPS51124901A (it)
DE (1) DE2611364A1 (it)
GB (1) GB1547821A (it)
IT (1) IT1057478B (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6748994B2 (en) * 2001-04-11 2004-06-15 Avery Dennison Corporation Label applicator, method and label therefor
TWM256947U (en) * 2004-03-09 2005-02-11 Lite On It Corp Electronic apparatus with level detecting function

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2505630A (en) * 1944-09-09 1950-04-25 Rca Corp Turntable speed control device
US2885208A (en) * 1953-08-24 1959-05-05 Lawrence A Pranter Phonograph record player speed selector
US3193296A (en) * 1962-03-19 1965-07-06 Rock Ola Mfg Corp Variable speed phonograph
US3485499A (en) * 1965-12-14 1969-12-23 Matsushita Electric Ind Co Ltd Automatic speed change device for record players
US3416057A (en) * 1966-04-06 1968-12-10 Gaylord Rives Company A.c. motor speed control system using selected voltage levels inverted at selected frequencies and method
US3599984A (en) * 1967-01-16 1971-08-17 Victor Company Of Japan Automatic control device for record players
US3463986A (en) * 1967-02-23 1969-08-26 North American Rockwell Reduced-power motor operation
US3819992A (en) * 1972-01-21 1974-06-25 Power Control Corp Method and apparatus for providing efficient and stable power inversion with voltage and frequency control
US3814442A (en) * 1972-03-20 1974-06-04 Magnavox Co Phonograph record player

Also Published As

Publication number Publication date
DE2611364A1 (de) 1976-10-28
US4000906A (en) 1977-01-04
JPS51124901A (en) 1976-10-30
GB1547821A (en) 1979-06-27

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