GB190319856A - A Pneumatic Diaphragm for Recording and Reproducing Sound in connection with Phonographs, Graphophones, and similar Machines. - Google Patents

A Pneumatic Diaphragm for Recording and Reproducing Sound in connection with Phonographs, Graphophones, and similar Machines.

Info

Publication number
GB190319856A
GB190319856A GB190319856DA GB190319856A GB 190319856 A GB190319856 A GB 190319856A GB 190319856D A GB190319856D A GB 190319856DA GB 190319856 A GB190319856 A GB 190319856A
Authority
GB
United Kingdom
Prior art keywords
graphophones
phonographs
recording
connection
pneumatic diaphragm
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
Inventor
Henry Albert Seymour
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of GB190319856A publication Critical patent/GB190319856A/en
Expired legal-status Critical Current

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Abstract

19,856. Seymour, H. A. Sept. 15. Phonographs, graphophones, &c.-The diaphragms of phonographs, graphophones, &c. are composed of two discs b, d of glass, mica, &c., united by an india-rubber or other elastic ring c so as to form a pneumatic chamber g. The larger disc b is attached to the sound-box h by means of an elastic ring a. The dome setting for the ball point f is attached to the centre of the smaller disc d.
GB190319856D 1903-09-15 1903-09-15 A Pneumatic Diaphragm for Recording and Reproducing Sound in connection with Phonographs, Graphophones, and similar Machines. Expired GB190319856A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB190319856T 1903-09-15

Publications (1)

Publication Number Publication Date
GB190319856A true GB190319856A (en) 1904-08-18

Family

ID=32158833

Family Applications (1)

Application Number Title Priority Date Filing Date
GB190319856D Expired GB190319856A (en) 1903-09-15 1903-09-15 A Pneumatic Diaphragm for Recording and Reproducing Sound in connection with Phonographs, Graphophones, and similar Machines.

Country Status (1)

Country Link
GB (1) GB190319856A (en)

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