GB190784A - Improvements in phonographs - Google Patents

Improvements in phonographs

Info

Publication number: GB190784A
Authority: GB; United Kingdom
Prior art keywords: phonographs
Prior art date: 1921-09-23
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

GB2530321A

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.)

1921-09-23

Filing date

1921-09-23

Publication date

1922-12-27

1921-09-23 Application filed by Individual filed Critical Individual

1921-09-23 Priority to GB2530321A priority Critical patent/GB190784A/en

1922-12-27 Publication of GB190784A publication Critical patent/GB190784A/en

Status 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
- G11B19/28—Speed controlling, regulating, or indicating

GB2530321A 1921-09-23 1921-09-23 Improvements in phonographs Expired GB190784A (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
GB2530321A GB190784A (en)	1921-09-23	1921-09-23	Improvements in phonographs

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB2530321A GB190784A (en)	1921-09-23	1921-09-23	Improvements in phonographs

Publications (1)

Publication Number	Publication Date
GB190784A true GB190784A (en)	1922-12-27

Family

ID=10225512

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB2530321A Expired GB190784A (en)	1921-09-23	1921-09-23	Improvements in phonographs

Country Status (1)

Country	Link
GB (1)	GB190784A (en)

1921
- 1921-09-23 GB GB2530321A patent/GB190784A/en not_active Expired

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