GB419683A - Improvements in electric vibrators, more particularly vibrators for sound recording - Google Patents

Improvements in electric vibrators, more particularly vibrators for sound recording

Info

Publication number
GB419683A
GB419683A GB23471/33A GB2347133A GB419683A GB 419683 A GB419683 A GB 419683A GB 23471/33 A GB23471/33 A GB 23471/33A GB 2347133 A GB2347133 A GB 2347133A GB 419683 A GB419683 A GB 419683A
Authority
GB
United Kingdom
Prior art keywords
reed
polepieces
mirror
vibration
carried
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
GB23471/33A
Other languages
English (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.)
RCA Corp
Original Assignee
RCA Corp
Radio Corporation of America
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 RCA Corp, Radio Corporation of America filed Critical RCA Corp
Publication of GB419683A publication Critical patent/GB419683A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L25/00—Ink receptacles
    • B43L25/02—Ink receptacles with separate dipping-cups
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor

Landscapes

  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
GB23471/33A 1932-09-16 1933-08-23 Improvements in electric vibrators, more particularly vibrators for sound recording Expired GB419683A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US419683XA 1932-09-16 1932-09-16

Publications (1)

Publication Number Publication Date
GB419683A true GB419683A (en) 1934-11-16

Family

ID=21919325

Family Applications (1)

Application Number Title Priority Date Filing Date
GB23471/33A Expired GB419683A (en) 1932-09-16 1933-08-23 Improvements in electric vibrators, more particularly vibrators for sound recording

Country Status (2)

Country Link
FR (1) FR419683A (fr)
GB (1) GB419683A (fr)

Also Published As

Publication number Publication date
FR419683A (fr) 1911-01-12

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