Patent US6288891B1 successfully refreshed from Google Patents.
US6288891B1
Expired / Lapsed
US
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Movable display apparatus
Assignee: Canon Inc
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Filing: 1997-11-18
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Granted: 2001-09-11
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Expires: 2017-11-18
Abstract
Abstract A display apparatus includes a moving unit enclosing a display for displaying information, a base portion having an expandable supporting device for rotatably supporting the moving unit, and a supporting position control unit for controlling the supporting device at an arbitrary position. The supporting device is expanded or contracted synchronously with the rotation of the moving unit. A control unit for controlling the expansion and contraction of the supporting device is also provided. The control unit is a cam, a motor, or a gear.
Inventors
- 👤 Masahide Hasegawa
- 👤 Shouichi Ibaraki
- 👤 Masahiro Ando
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 22:36
CPC Classifications
F; F16; F16M; F16M11/00; F16M11/02; F16M11/04; F16M11/06; F16M11/10; F16M11/18; Y; Y10; Y10S; Y10S248/00; Y10S248/917; Y10S248/919; Y10S248/922; Y10S248/923
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
142 words
A display apparatus comprising: a flat panel display unit in which a display screen is provided on one surface; a first rotary arm, one end of which is rotatably, axially supported by a first axis to a rear surface of said display unit; a second rotary arm, one end of which is rotatably, axially supported to the rear surface of said display unit by a second axis different from the first axis; a base seat portion for rotatably, axially supporting a second end of said first rotary arm and slidably supporting a second end of said second rotary arm; and a locking mechanism for fixing said flat panel display unit, said first rotary arm and said second rotary arm at an arbitrary position, wherein said display unit performs a substantially arcuate motion around a virtual center in front of said display screen.
Claim 2
Dependent Claim
142 words
A display apparatus comprising: a flat panel display unit in which a display screen is provided on one surface; a first rotary arm, one end of which is rotatably, axially supported by a first axis to a rear surface of said display unit; a second rotary arm, one end of which is rotatably, axially supported to the rear surface of said display unit by a second axis different from the first axis; a base seat portion for rotatably, axially supporting a second end of said first rotary arm and slidably supporting a second end of said second rotary arm; and a locking mechanism for fixing said flat panel display unit, said first rotary arm and said second rotary arm at an arbitrary position, wherein said display unit performs a substantially arcuate motion around a virtual center in front of said display screen.
Claim 3
Dependent Claim
24 words
An apparatus according to claim 1 , wherein said locking mechanism is set as being almost balanced to a weight of said display unit.
Claim 4
Dependent Claim
16 words
An apparatus according to claim 2 , wherein said locking mechanism is a gas spring mechanism.
Claim 5
Dependent Claim
26 words
An apparatus according to claim 1 , wherein said second rotary arm is slidable by rollers equipped at the second end of said second rotary arm.
Claim 6
Dependent Claim
23 words
An apparatus according to claim 1 , further comprising at least one caster provided in a lower edge portion of said display unit.
Claim 7
Dependent Claim
22 words
An apparatus according to claim 1 , further comprising a swiveling mechanism provided on a bottom surface of said base seat portion.
Claim 8
Dependent Claim
30 words
An apparatus according to claim 5 , further comprising a swiveling mechanism is provided on a bottom surface of said base seat portion and said caster is a ball-shaped caster.
Claim 9
Dependent Claim
39 words
An apparatus according to claim 7 , wherein said base seat portion comprising a circuit selected from the group consisting of at least a power supply circuit, a display signal input/output circuit, and a screen input signal input/output circuit.
Claim 10
Dependent Claim
20 words
An apparatus according to claim 8 , wherein said display unit has a coordinate input function on said display screen.
Claim 11
Dependent Claim
20 words
An apparatus according to claim 1 , wherein said display unit moves at angles between about 20° and about 90°.
Claim 12
Dependent Claim
143 words
A display apparatus comprising: a flat panel display unit in which a display screen is provided on one surface; a slider supported on a rear surface of said display unit; a first rotary arm, one end of which is rotatably, axially supported by a first axis to said slider; a second rotary arm, one end of which is rotatably, axially supported to said slider by a second axis different from the first axis; a base seat portion for rotatably, axially supporting a second end of said first rotary arm and slidably supporting a second end of said second rotary arm; and a locking mechanism for fixing said flat panel display unit, said first rotary arm and said second rotary arm at an arbitrary position, wherein said display unit performs a substantially arcuate motion around a virtual center in front of said display screen.
Claim 13
Dependent Claim
143 words
A display apparatus comprising: a flat panel display unit in which a display screen is provided on one surface; a slider supported on a rear surface of said display unit; a first rotary arm, one end of which is rotatably, axially supported by a first axis to said slider; a second rotary arm, one end of which is rotatably, axially supported to said slider by a second axis different from the first axis; a base seat portion for rotatably, axially supporting a second end of said first rotary arm and slidably supporting a second end of said second rotary arm; and a locking mechanism for fixing said flat panel display unit, said first rotary arm and said second rotary arm at an arbitrary position, wherein said display unit performs a substantially arcuate motion around a virtual center in front of said display screen.
Claim 14
Dependent Claim
24 words
An apparatus according to claim 11 , wherein said locking mechanism is set as being almost balanced to a weight of the display unit.
Claim 15
Dependent Claim
16 words
An apparatus according to claim 12 , wherein said locking mechanism is a gas spring mechanism.
Claim 16
Dependent Claim
26 words
An apparatus according to claim 11 , wherein said second rotary arm is slidable by rollers equipped at the second end of said second rotary arm.
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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) | 2004-09-10 | 2005-03-12 | 2005-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2008-09-10 | 2009-03-12 | 2009-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2012-09-10 | 2013-03-12 | 2013-09-11 | $7700.00 | Window Closed / Lapsed |