Patent US4076270A successfully refreshed from Google Patents.
US5907375A
Expired / Lapsed
US
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Input-output unit
Assignee: Fujifilm Business Innovation Corp
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Filing: 1997-02-28
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Granted: 1999-05-25
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Expires: 2017-02-28
Abstract
Abstract An input-output unit includes a display unit having a bendable display screen for displaying information on the bendable display screen; and a pressure-sensitive input unit containing detection means being provided below the display screen for detecting a position on the bendable display screen in response to press pressure from a view side of the bendable display screen.
Inventors
- 👤 Eiji Nishikawa
- 👤 Tsunemasa Mita
- 👤 Masaaki Araki
- 👤 Kazuhiro Suzuki
- 👤 Kazuyoshi Itoh
- 👤 Toshikazu Minomoto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 09:53
CPC Classifications
G; G06; G06F; G06F3/00; G06F3/01; G06F3/03; G06F3/041; G06F3/0414; G06F3/04144; G02; G02F; G02F1/00; G02F1/01; G02F1/13; G02F1/133; G02F1/1333; G02F1/13338; G06F3/0412; H; H01; H01H; H01H13/00; H01H13/70; H01H13/702; H01H2219/00; H01H2219/002; H01H2219/01; H01H2219/012; H01H2219/036
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
115 words
An input-output unit, comprising: a display unit having a bendable display screen for displaying information on said bendable display screen, the display screen having a view side and a layer at the view side of the display screen; a pressure-sensitive input unit containing detection means being provided below the display screen for detecting a position on said bendable display screen in response to press pressure from a view side of said bendable display screen; and a shock absorption layer having an elasticity that disperses a local stress from the view side of said display screen on the layer at the view side of the display screen and transferring the dispersed stress to said detection means.
Claim 2
Dependent Claim
115 words
An input-output unit, comprising: a display unit having a bendable display screen for displaying information on said bendable display screen, the display screen having a view side and a layer at the view side of the display screen; a pressure-sensitive input unit containing detection means being provided below the display screen for detecting a position on said bendable display screen in response to press pressure from a view side of said bendable display screen; and a shock absorption layer having an elasticity that disperses a local stress from the view side of said display screen on the layer at the view side of the display screen and transferring the dispersed stress to said detection means.
Claim 3
Dependent Claim
23 words
The input-output unit as claimed in claim 1, wherein said bendable display screen and said detection means therebelow are shaped as a sheet.
Claim 4
Dependent Claim
29 words
The input-output unit as claimed in claim 1, wherein said display screen contains any of a liquid crystal display panel, an electroluminescence panel, or a twisting ball panel display.
Claim 5
Dependent Claim
153 words
An input-output unit, comprising: an information input display for displaying various pieces of operation information of an electronic machine and virtual operation buttons corresponding to the operation information on a display screen and enabling a user to enter control information of the electronic machine by pressing the virtual operation buttons, said information input display comprising: a switch matrix board; a plurality of input switches placed on said switch matrix board at predetermined pitches; a flexible information display screen superposed on said switch matrix board, the flexible information display screen being shaped as a sheet and having a view side and a layer at the view side of the information display screen; and a shock absorption layer having an elasticity that disperses a local stress from a view side of said information display screen on the layer at the view side of the information display screen and transferring the dispersed stress to said switches.
Claim 6
Dependent Claim
153 words
An input-output unit, comprising: an information input display for displaying various pieces of operation information of an electronic machine and virtual operation buttons corresponding to the operation information on a display screen and enabling a user to enter control information of the electronic machine by pressing the virtual operation buttons, said information input display comprising: a switch matrix board; a plurality of input switches placed on said switch matrix board at predetermined pitches; a flexible information display screen superposed on said switch matrix board, the flexible information display screen being shaped as a sheet and having a view side and a layer at the view side of the information display screen; and a shock absorption layer having an elasticity that disperses a local stress from a view side of said information display screen on the layer at the view side of the information display screen and transferring the dispersed stress to said switches.
Claim 7
Dependent Claim
19 words
The input-output unit as claimed in claim 4 wherein said information display screen comprises a reflection-type liquid crystal panel.
Claim 8
Dependent Claim
17 words
The input-output unit as claimed in claim 4 wherein said switch matrix board comprises a membrane board.
Claim 9
Dependent Claim
15 words
The input-output unit as claimed in claim 4 wherein said input switches comprise pressure-sensitive switches.
Claim 10
Dependent Claim
96 words
An input-output unit, comprising: a bendable image display panel having an image display device, a view side and a layer at the view side of the image display panel; means being laminated below said image display panel for sensing coordinates of a position pressed from the view side of said image display panel; and a shock absorption layer having elasticity that disperses a local stress from the view side of said image display panel on the layer at the view side of the image display panel and transferring the dispersed stress to said coordinate sensing means.
Claim 11
Dependent Claim
96 words
An input-output unit, comprising: a bendable image display panel having an image display device, a view side and a layer at the view side of the image display panel; means being laminated below said image display panel for sensing coordinates of a position pressed from the view side of said image display panel; and a shock absorption layer having elasticity that disperses a local stress from the view side of said image display panel on the layer at the view side of the image display panel and transferring the dispersed stress to said coordinate sensing means.
Claim 12
Dependent Claim
53 words
The input-output unit as claimed in claim 8 wherein said image display panel is formed of a bendable liquid crystal display panel including a liquid crystal display device, and said coordinate sensing means detects the coordinates of a position of the liquid crystal display panel which is pushed from a view side thereof.
Claim 13
Dependent Claim
103 words
The input-output unit as claimed in claim 8, wherein said liquid crystal display panel includes a pair of polarizing plates at a position where the liquid crystal display device is interposed between said polarizing plates, and the shock absorption layer having flexibility is placed between the liquid crystal display device and a polarizing plate positioned on the view side of the liquid crystal display device and wherein a refractive index of the shock absorption layer is set to a value closer to a refractive index of material forming the liquid crystal display device and the polarizing plate than a refractive index of air.
Claim 14
Dependent Claim
83 words
The input-output unit as claimed in claim 8 wherein said liquid crystal display panel includes a pair of polarizing plates at a position where the liquid crystal display device is interposed between said polarizing plates, and the shock absorption layer having flexibility is placed between the liquid crystal display device and a polarizing plate positioned on the view side of the liquid crystal display device and a reinforcing plate for protecting the liquid crystal display device is placed below the shock absorption layer.
Claim 15
Dependent Claim
69 words
The input-output unit as claimed in claim 11 wherein the shock absorption layer having flexibility is placed between the liquid crystal display device and a polarizing plate positioned on the view side of the liquid crystal display device and a reinforcing plate for protecting the liquid crystal display device and widening a range in which said coordinate sensing means receives pressure is placed below the liquid crystal display device.
Claim 16
Dependent Claim
40 words
The input-output unit as claimed in claim 12 wherein elastic moduli of the shock absorption layer, the liquid crystal display device, and the reinforcing plate are set so as to satisfy relation of reinforcing plate>liquid crystal display device>shock absorption layer.
Claim 17
Dependent Claim
25 words
The input-output unit as claimed in claim 8 wherein the shock absorption layer is made of a gel resin material or a rubber resin material.
Claim 18
Dependent Claim
18 words
The input-output unit as claimed in claim 8 wherein said coordinate sensing means is made of membrane switches.
References Cited (Backward Citations)
US4143103A
Cited
US4398804A
Cited
US4527862A
Cited
US4723836A
Cited
JPS62139025A
Cited
JPS63247819A
Cited
JPH0561061A
Cited
JPH05273531A
Cited
JPH0675210A
Cited
JPH0675701A
Cited
JPH0675213A
Cited
JPH06337411A
Cited
JPH06332602A
Cited
JPH07114010A
Cited
JPH07209635A
Cited
US5623280A
Cited
JPH0844405A
Cited
JPH08241647A
Cited
JPH08258147A
Cited
JPH08315668A
Cited
JPH08327975A
Cited
JP2010530651A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2002-05-24 | 2002-11-23 | 2003-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2006-05-24 | 2006-11-23 | 2007-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2010-05-24 | 2010-11-23 | 2011-05-25 | $7700.00 | Window Closed / Lapsed |