CH90735A - Sound arm joint for speaking machines. - Google Patents

Sound arm joint for speaking machines.

Info

Publication number
CH90735A
CH90735A CH90735DA CH90735A CH 90735 A CH90735 A CH 90735A CH 90735D A CH90735D A CH 90735DA CH 90735 A CH90735 A CH 90735A
Authority
CH
Switzerland
Prior art keywords
arm joint
sound arm
speaking machines
speaking
machines
Prior art date
Application number
Other languages
German (de)
Inventor
Horace Hurm
Original Assignee
Horace Hurm
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 Horace Hurm filed Critical Horace Hurm
Publication of CH90735A publication Critical patent/CH90735A/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
    • G11B3/10—Arranging, supporting, or driving of heads or of transducers relatively to record carriers
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K13/00—Cones, diaphragms, or the like, for emitting or receiving sound in general
    • 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
    • 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
    • G11B3/44—Styli, e.g. sapphire, diamond
    • G11B3/46—Constructions or forms ; Dispositions or mountings, e.g. attachment of point to shank

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Telephone Set Structure (AREA)
  • Finger-Pressure Massage (AREA)
CH90735D 1919-05-13 1920-06-11 Sound arm joint for speaking machines. CH90735A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR506343T 1919-05-13

Publications (1)

Publication Number Publication Date
CH90735A true CH90735A (en) 1921-09-16

Family

ID=8909091

Family Applications (1)

Application Number Title Priority Date Filing Date
CH90735D CH90735A (en) 1919-05-13 1920-06-11 Sound arm joint for speaking machines.

Country Status (3)

Country Link
CH (1) CH90735A (en)
FR (1) FR506343A (en)
GB (3) GB145069A (en)

Also Published As

Publication number Publication date
GB152956A (en) 1921-04-21
FR506343A (en) 1920-08-19
GB145069A (en) 1921-09-16
GB152955A (en) 1921-07-28

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