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G11B3/78
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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
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G11B3/78
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Patents Grants
last 30 patents
Information
Patent Grant
Gramophone plate with recorded image
Patent number
11,836,558
Issue date
Dec 5, 2023
Roman Houha
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Image forming apparatus and method
Patent number
7,672,021
Issue date
Mar 2, 2010
FUJIFILM Corporation
Setsuji Tatsumi
G11 - INFORMATION STORAGE
Information
Patent Grant
Sound reproducing device for playing a record disc having a plurali...
Patent number
5,054,012
Issue date
Oct 1, 1991
Ozen Corporation
Eishi Koike
G11 - INFORMATION STORAGE
Information
Patent Grant
Sound reproducing device for playing a record disc having a plurali...
Patent number
4,876,678
Issue date
Oct 24, 1989
Ozen Corporation
Eishi Koike
G11 - INFORMATION STORAGE
Information
Patent Grant
Record disc replacing means
Patent number
4,694,444
Issue date
Sep 15, 1987
Ozen Corporation
Eishi Koike
G11 - INFORMATION STORAGE
Information
Patent Grant
Record disc replacing means for a selective playing type sound repr...
Patent number
4,694,445
Issue date
Sep 15, 1987
Ozen Corporation
Eishi Koike
G11 - INFORMATION STORAGE
Information
Patent Grant
Multi-message phonograph system
Patent number
4,680,747
Issue date
Jul 14, 1987
Joseph W. Blake
G11 - INFORMATION STORAGE
Information
Patent Grant
Simplified sound reproducing device having a plurality of external...
Patent number
4,670,867
Issue date
Jun 2, 1987
Ozen Corporation
Eishi Koike
G11 - INFORMATION STORAGE
Information
Patent Grant
Simplified sound reproducing device having a plurality of external...
Patent number
4,670,868
Issue date
Jun 2, 1987
Ozen Corporation
Eishi Koike
G11 - INFORMATION STORAGE
Information
Patent Grant
Record engraving apparatus
Patent number
4,597,700
Issue date
Jul 1, 1986
Mattel, Inc.
John C. Woolington
G11 - INFORMATION STORAGE
Information
Patent Grant
Sound reproduction selection apparatus for a simplified sound repro...
Patent number
4,574,370
Issue date
Mar 4, 1986
Ozen Corporation
Eishi Koike
G11 - INFORMATION STORAGE
Information
Patent Grant
Simplified sound reproducing device
Patent number
4,547,873
Issue date
Oct 15, 1985
Ozen Corporation
Eishi Koike
G11 - INFORMATION STORAGE
Information
Patent Grant
Simple acoustic playback device for a record having plurality of re...
Patent number
4,541,085
Issue date
Sep 10, 1985
Ozen Corporation
Eishi Koike
G11 - INFORMATION STORAGE
Information
Patent Grant
3871112
Patent number
3,871,112
Issue date
Mar 18, 1975
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
3801110
Patent number
3,801,110
Issue date
Apr 2, 1974
G11 - INFORMATION STORAGE
Information
Patent Grant
3598415
Patent number
3,598,415
Issue date
Aug 10, 1971
G11 - INFORMATION STORAGE
Information
Patent Grant
2153027
Patent number
2,153,027
Issue date
Apr 4, 1939
G11 - INFORMATION STORAGE
Information
Patent Grant
2142591
Patent number
2,142,591
Issue date
Jan 3, 1939
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
GRAMOPHONE PLATE WITH RECORDED IMAGE
Publication number
20210209432
Publication date
Jul 8, 2021
IQ STRUCTURES S.R.O.
Roman Houha
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Image forming apparatus and method
Publication number
20050134931
Publication date
Jun 23, 2005
Fuji Photo Film Co., Ltd.
Setsuji Tatsumi
G11 - INFORMATION STORAGE