US5177733A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sound recording playing apparatus with improved vibration plate
Assignee: Ozen Corp
•
Filing: 1991-04-19
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Granted: 1993-01-05
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Expires: 2011-04-19
Abstract
Abstract A casing of a sound record playing apparatus includes an upper body (1B) and a lower body (1A), and a vibration plate (16) is formed by reducing a thickness of a part of the upper body. An inner surface of the vibration plate is in abutment with a pickup (13) to amplify the vibrations of the pickup. Thus, a conical speaker which has been used conventionary can be eliminated, and the thickness of the recording disk reproducing apparatus is reduced.
Inventors
- 👤 Eishi Koike
- 👤 Masumi Kaneko
- 👤 Yasushi Ohtani
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 21:17
CPC Classifications
G; G11; G11B; G11B3/00; G11B3/001; G11B3/02; G11B3/08; G11B3/09
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
167 words
A sound record playing apparatus for playing a disk record and having a reduced height, comprising: a casing defined by a parallel upper part (1B) and lower part (1A), wherein the lower part has a continuous first thickness and the upper part includes a first portion adjacent a disk pickup (13) and a second portion having said first thickness distant from said pickup; and wherein said first portion defines a vibration plate which abuts a top portion of said pickup when said disk record is being played, and has a second thickness substantially less than said first thickness; said disk record having an upper surface, the disk record having a modulated groove formed on the upper surface of the disk record, the disk record deployed in a cavity of the casing; said disk pickup for scanning the modulated groove of the disk record, the pickup being deployed within the cavity of the casing; and wherein the pickup is mounted on a tone arm coupled to said casing.
Claim 2
Dependent Claim
167 words
A sound record playing apparatus for playing a disk record and having a reduced height, comprising: a casing defined by a parallel upper part (1B) and lower part (1A), wherein the lower part has a continuous first thickness and the upper part includes a first portion adjacent a disk pickup (13) and a second portion having said first thickness distant from said pickup; and wherein said first portion defines a vibration plate which abuts a top portion of said pickup when said disk record is being played, and has a second thickness substantially less than said first thickness; said disk record having an upper surface, the disk record having a modulated groove formed on the upper surface of the disk record, the disk record deployed in a cavity of the casing; said disk pickup for scanning the modulated groove of the disk record, the pickup being deployed within the cavity of the casing; and wherein the pickup is mounted on a tone arm coupled to said casing.
Claim 3
Dependent Claim
23 words
The apparatus of claim 1, further comprising a driving wheel (3) for being pressed against a surface and thereby driving said disk record.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1996-01-05 | 1996-07-06 | 1997-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2000-01-05 | 2000-07-06 | 2001-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2004-01-05 | 2004-07-06 | 2005-01-05 | $7700.00 | Window Closed / Lapsed |