GB187680A - Improvements in machines for recording and reproducing sounds - Google Patents

Improvements in machines for recording and reproducing sounds

Info

Publication number
GB187680A
GB187680A GB1941721A GB1941721A GB187680A GB 187680 A GB187680 A GB 187680A GB 1941721 A GB1941721 A GB 1941721A GB 1941721 A GB1941721 A GB 1941721A GB 187680 A GB187680 A GB 187680A
Authority
GB
United Kingdom
Prior art keywords
machines
recording
reproducing sounds
sounds
reproducing
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
GB1941721A
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.)
ERNEST GOODALL NICHOLSON
Original Assignee
ERNEST GOODALL NICHOLSON
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 ERNEST GOODALL NICHOLSON filed Critical ERNEST GOODALL NICHOLSON
Priority to GB1941721A priority Critical patent/GB187680A/en
Publication of GB187680A publication Critical patent/GB187680A/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
    • 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
    • G11B19/265—Friction wheel drive
GB1941721A 1921-07-19 1921-07-19 Improvements in machines for recording and reproducing sounds Expired GB187680A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1941721A GB187680A (en) 1921-07-19 1921-07-19 Improvements in machines for recording and reproducing sounds

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1941721A GB187680A (en) 1921-07-19 1921-07-19 Improvements in machines for recording and reproducing sounds

Publications (1)

Publication Number Publication Date
GB187680A true GB187680A (en) 1922-10-19

Family

ID=10129002

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1941721A Expired GB187680A (en) 1921-07-19 1921-07-19 Improvements in machines for recording and reproducing sounds

Country Status (1)

Country Link
GB (1) GB187680A (en)

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