Patent US5119271A successfully refreshed from Google Patents.
US5119271A
Expired / Lapsed
US
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Projection-type television set
Assignee: Panasonic Holdings Corp
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Filing: 1991-06-28
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Granted: 1992-06-02
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Expires: 2011-06-28
Abstract
Abstract In a projection-type television set, a screen (2) is provided in front opening part of a housing (1) and held by couplings of frames (30,31) and leaf springs (40,41) provided on ceiling (1a), bottom (1b) and side walls (1c) of the housing (1).
Inventors
- 👤 Satoshi Aoki
- 👤 Katsumi Goto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 20:34
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/10; F; F16; F16B; F16B2/00; F16B2/20; F16B2/22; F16B2/24; F16B2/241; H; H04; H04N; H04N9/00; H04N9/12; H04N9/31; H04N9/3141; H04N9/3147
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
173 words
A projection-type television set comprising: a housing in which plurality of projection lenses and CRT displays are provided; a plurality of first leaf springs provided on each of a front part of a respective ceiling and a bottom of said housing, and each respectively having a notch; a plurality of second leaf springs provided on a front part of respective side walls of said housing; a screen provided in a front opening of said housing; a pair of horizontal frames respectively each having an offset part which is held between said ceiling or bottom of said housing and said first leaf springs, each having a plurality of protrusions which are fit in said notches of said first leaf springs and each horizontal frame having a groove in which a top end part or a bottom end part of said screen is movably fit; and a pair of vertical frames provided in gaps between said screen and said side walls of said housing and held between said second leaf springs and said side walls.
Claim 2
Dependent Claim
173 words
A projection-type television set comprising: a housing in which plurality of projection lenses and CRT displays are provided; a plurality of first leaf springs provided on each of a front part of a respective ceiling and a bottom of said housing, and each respectively having a notch; a plurality of second leaf springs provided on a front part of respective side walls of said housing; a screen provided in a front opening of said housing; a pair of horizontal frames respectively each having an offset part which is held between said ceiling or bottom of said housing and said first leaf springs, each having a plurality of protrusions which are fit in said notches of said first leaf springs and each horizontal frame having a groove in which a top end part or a bottom end part of said screen is movably fit; and a pair of vertical frames provided in gaps between said screen and said side walls of said housing and held between said second leaf springs and said side walls.
Claim 3
Dependent Claim
50 words
A projection-type television set in accordance with claim 1, wherein said second leaf springs each have a protrusion in the center part of a spring arm part thereof; and said vertical frames each have at least one hole to which each said protrusion of said second leaf springs is fit.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1995-06-02 | 1995-12-02 | 1996-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-06-02 | 1999-12-02 | 2000-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-06-02 | 2003-12-02 | 2004-06-02 | $7700.00 | Window Closed / Lapsed |