GB170311A - Improvements in phonographs - Google Patents

Improvements in phonographs

Info

Publication number
GB170311A
GB170311A GB1031520A GB1031520A GB170311A GB 170311 A GB170311 A GB 170311A GB 1031520 A GB1031520 A GB 1031520A GB 1031520 A GB1031520 A GB 1031520A GB 170311 A GB170311 A GB 170311A
Authority
GB
United Kingdom
Prior art keywords
phonographs
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
GB1031520A
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.)
H M AND D Co
Original Assignee
H M AND D Co
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 H M AND D Co filed Critical H M AND D Co
Priority to GB1031520A priority Critical patent/GB170311A/en
Publication of GB170311A publication Critical patent/GB170311A/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
    • 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
    • G11B3/34—Driving or guiding during transducing operation
    • G11B3/36—Automatic-feed mechanisms producing progressive transducing traverse across record carriers otherwise than by grooves, e.g. by lead-screw
GB1031520A 1920-04-13 1920-04-13 Improvements in phonographs Expired GB170311A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1031520A GB170311A (en) 1920-04-13 1920-04-13 Improvements in phonographs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1031520A GB170311A (en) 1920-04-13 1920-04-13 Improvements in phonographs

Publications (1)

Publication Number Publication Date
GB170311A true GB170311A (en) 1921-10-13

Family

ID=9965597

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1031520A Expired GB170311A (en) 1920-04-13 1920-04-13 Improvements in phonographs

Country Status (1)

Country Link
GB (1) GB170311A (en)

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