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
GB2241519A
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.)
SIDNEY THOMAS KEAST
Original Assignee
SIDNEY THOMAS KEAST
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 SIDNEY THOMAS KEASTfiledCriticalSIDNEY THOMAS KEAST
Priority to GB2241519ApriorityCriticalpatent/GB153419A/en
Publication of GB153419ApublicationCriticalpatent/GB153419A/en
G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
G11B33/02—Cabinets; Cases; Stands; Disposition of apparatus therein or thereon
G11B33/06—Cabinets; Cases; Stands; Disposition of apparatus therein or thereon combined with other apparatus having a different main function
Landscapes
Toys
(AREA)
Abstract
153,419. Reast, W., Keast, W. J., and Keast, S. T. Sept. 12, 1919. Drawings to Specification. Sound magnifying and directing appliances.- The trumpet of a toy gramophone is made of light material which, according to the Provisional Specification, may be cardboard or paper.
GB2241519A1919-09-121919-09-12A toy gramophone for recording and reproducing sounds
ExpiredGB153419A
(en)
Application to phonograph records of the automatic variation of the distance between sound grooves, as a function of the amplitude of the recorded musical frequency