ES374538A1 - Sound playback device with improved coil spring pick-up arm - Google Patents

Sound playback device with improved coil spring pick-up arm

Info

Publication number
ES374538A1
ES374538A1 ES374538A ES374538A ES374538A1 ES 374538 A1 ES374538 A1 ES 374538A1 ES 374538 A ES374538 A ES 374538A ES 374538 A ES374538 A ES 374538A ES 374538 A1 ES374538 A1 ES 374538A1
Authority
ES
Spain
Prior art keywords
arm
coil spring
playback device
sound playback
improved coil
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
ES374538A
Other languages
Spanish (es)
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.)
RAFFAELI
SOMIGLI
Original Assignee
RAFFAELI
SOMIGLI
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 RAFFAELI, SOMIGLI filed Critical RAFFAELI
Publication of ES374538A1 publication Critical patent/ES374538A1/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
    • G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
    • G11B33/02—Cabinets; Cases; Stands; Disposition of apparatus therein or thereon
    • G11B33/06—Cabinets; Cases; Stands; Disposition of apparatus therein or thereon combined with other apparatus having a different main function
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S200/00—Electricity: circuit makers and breakers
    • Y10S200/34—Recording and reproducing

Landscapes

  • Toys (AREA)
  • Holding Or Fastening Of Disk On Rotational Shaft (AREA)
  • Switches With Compound Operations (AREA)

Abstract

A phonograph has a pivoted pick-up arm and a switch comprising a first contact member protruding from said arm and arcuately movable over at least one second contact member. Operation of said switch actuates circuits for the function of auxiliary devices during playback.
ES374538A 1969-05-03 1969-12-13 Sound playback device with improved coil spring pick-up arm Expired ES374538A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT3688869 1969-05-03

Publications (1)

Publication Number Publication Date
ES374538A1 true ES374538A1 (en) 1972-01-01

Family

ID=11245834

Family Applications (1)

Application Number Title Priority Date Filing Date
ES374538A Expired ES374538A1 (en) 1969-05-03 1969-12-13 Sound playback device with improved coil spring pick-up arm

Country Status (5)

Country Link
US (1) US3668343A (en)
DE (1) DE1959099B2 (en)
ES (1) ES374538A1 (en)
FR (1) FR2046071A5 (en)
GB (1) GB1296101A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2104692C3 (en) * 1971-02-02 1981-10-29 Braun Ag, 6000 Frankfurt Circuit arrangement for automatically controlling the movements of a tonearm
BE831055A (en) * 1974-07-06 1975-11-03 DEVICE FOR READING AND RECORDING OF INFORMATION
JPS59139102A (en) * 1983-01-27 1984-08-09 Ozen Corp Simple sound recording and reproducing machine

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1975928A (en) * 1929-09-28 1934-10-09 Rca Corp Method and means for making sound records
US2347735A (en) * 1942-09-19 1944-05-02 Bell Telephone Labor Inc Switching mechanism
US2494622A (en) * 1948-02-06 1950-01-17 Weston Electrical Instr Corp Contact arm for self-resetting magnetic contact relays
US2564416A (en) * 1949-03-14 1951-08-14 William A Wildhack Mechanoelectric transducer
US2874237A (en) * 1957-12-03 1959-02-17 Jr Bernard Edward Shlesinger Multiple contact switch
US3089923A (en) * 1959-06-15 1963-05-14 Endevco Corp Sectional digital switch
US3081383A (en) * 1959-10-30 1963-03-12 Panayotis C Dimitracopoulos Method and means for variable resistance recording
US3226495A (en) * 1962-10-04 1965-12-28 Fujitsu Ltd Rotary switch structure with saddleshaped insulator and two-legged contact brush

Also Published As

Publication number Publication date
GB1296101A (en) 1972-11-15
FR2046071A5 (en) 1971-03-05
DE1959099C3 (en) 1979-01-25
US3668343A (en) 1972-06-06
DE1959099A1 (en) 1970-11-12
DE1959099B2 (en) 1978-05-18

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