GB352221A - Improvements in and relating to the recording and reproduction of sound - Google Patents

Improvements in and relating to the recording and reproduction of sound

Info

Publication number
GB352221A
GB352221A GB1913930A GB1913930A GB352221A GB 352221 A GB352221 A GB 352221A GB 1913930 A GB1913930 A GB 1913930A GB 1913930 A GB1913930 A GB 1913930A GB 352221 A GB352221 A GB 352221A
Authority
GB
United Kingdom
Prior art keywords
sound
reproduction
relating
recording
groove
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
GB1913930A
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.)
Parlophone Records Ltd
Original Assignee
Gramophone Co Ltd
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 Gramophone Co Ltd filed Critical Gramophone Co Ltd
Priority to GB1913930A priority Critical patent/GB352221A/en
Publication of GB352221A publication Critical patent/GB352221A/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

Abstract

352,221. Sound records. GRAMOPHONE CO., Ltd., Hayes, and WHITAKER, A., Colne Mead, West Drayton, both in Middlesex. June 23, 1930, No. 19139. [Class 40 (ii).] The sound groove of records is made with a stylus 1 considerably wider in section than the guide groove 3 and cuts the record in the shoulders 2 of the groove only.
GB1913930A 1930-06-23 1930-06-23 Improvements in and relating to the recording and reproduction of sound Expired GB352221A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1913930A GB352221A (en) 1930-06-23 1930-06-23 Improvements in and relating to the recording and reproduction of sound

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1913930A GB352221A (en) 1930-06-23 1930-06-23 Improvements in and relating to the recording and reproduction of sound

Publications (1)

Publication Number Publication Date
GB352221A true GB352221A (en) 1931-07-09

Family

ID=10124394

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1913930A Expired GB352221A (en) 1930-06-23 1930-06-23 Improvements in and relating to the recording and reproduction of sound

Country Status (1)

Country Link
GB (1) GB352221A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2686679A (en) * 1949-04-30 1954-08-17 Avco Mfg Corp Universal sound reproducing stylus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2686679A (en) * 1949-04-30 1954-08-17 Avco Mfg Corp Universal sound reproducing stylus

Similar Documents

Publication Publication Date Title
FR781600A (en) Telephone recording and reproducing device
GB352221A (en) Improvements in and relating to the recording and reproduction of sound
GB1023908A (en) Speech and sound reproducing device in dolls,figures and other articles
GB316654A (en) Improvements in talking machine records
AU103371B2 (en) Improvements in or relating to sound recording and sound reproducing apparatus having endless band sound record carriers
GB699700A (en) Vibration record carrier
CA301281A (en) Sound recording and reproducing machine
AU78737A (en) Improvements in or relating to sound recording and sound reproducing apparatus having endless band sound record carriers
AU625332A (en) Improvements in talking machines, recording and reproducing at constant linear speed
GB412698A (en) Improvements in and relating to the recording and reproduction of sound
GB489366A (en) Improvements in or relating to photographic sound records of the variable area type
CA300230A (en) Sound recording and reproducing system
CA302990A (en) Sound recording and reproducing system
FR697819A (en) Improvements to sound recording and reproduction systems
FR707948A (en) Improvements to phonographic and other recording discs
GB346018A (en)
GB415752A (en) Improvements in and relating to the recording and reproduction of sound
GB527365A (en) Improved process for producing endless sound-recording tapes
GB713418A (en) Phonograph record
FR1033079A (en) Improvement in phonic recording and reproduction discs
CA325796A (en) Sound recording and reproducing method
GB708516A (en) Improvements in and relating to optical and magnetic sound record carriers
CA362054A (en) Sound recording and reproducing method
FR726190A (en) Improvements to devices for recording, transmitting and reproducing sound
FR712024A (en) Improvements made to film apparatus for reproducing sound, in particular apparatus for recording and showing talking films