EP0477098A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Cursor displacement control device for a computer display
Assignee: Fujitsu Ltd
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Filing: 1991-09-18
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Granted: —
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Expires: 2011-09-18
Abstract
Abstract The control device is contained within a computer and includes a support (13), a manually movable actuating member (10, 61)movably supported by the support, and a magnetic reluctance type detector (14, 14 min ) for detecting a magnitude of movement of the movable actuating member within a unit of time. The pointer or the cursor on the display can be moved in accordance with the detected magnitude of movement of the movable actuating member. <IMAGE>
Inventors
- 👤 Takashi c/o Fujitsu Limited Arita
- 👤 Akihiko c/o Fujitsu Limited Sakaguchi
- 👤 Toshinori c/o Fujitsu Limited Sasaki
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-05 09:43
CPC Classifications
H; H01; H01H; H01H25/00; H01H25/04; G; G05; G05G; G05G9/00; G05G9/02; G05G9/04; G05G9/047; G06; G06F; G06F1/00; G06F1/16; G06F1/1613; G06F1/1615; G06F1/1616; G06F1/1633; G06F1/1684; G06F1/169; G06F3/00; G06F3/01; G06F3/02; G06F3/0202; G06F3/021; G06F3/0213; G06F3/03; G06F3/033; G06F3/0338; G05G2009/0474; G05G2009/04755; H01H2221/00; H01H2221/008; H01H2221/012; Y; Y10; Y10S; Y10S345/00; Y10S345/905
Claims Analysis
Total Claims: 46
Claim 1
Independent Claim
83 words
In a device for moving a pointer or cursor to a desired position on a display of a computer, a pointing control device comprising: a support (13); a manually movable actuating member (10, 61) movably supported by the support; and, a magnetic reluctance type detector (14, 14′) for detecting a magnitude of movement of the movable actuating member within a unit of time, whereby the pointer or the cursor can be moved in accordance with the detected magnitude of the movable actuating member.
Claim 2
Dependent Claim
22 words
A pointing control device according to claim 1, wherein said actuating member is a plate-like slider (10) slidably supported on the support.
Claim 3
Dependent Claim
26 words
A pointing control device according to claim 2, wherein said slider (10) has a dome-shaped configuration, and said slider is spherically slidable in a desired direction.
Claim 4
Dependent Claim
20 words
A pointing control device according to claim 3, wherein said dome-shaped slider (10) is provided with a crater-form recess (10a).
Claim 5
Dependent Claim
36 words
A pointing control device according to claim 3, wherein said slider (10) is provided with a center small projection (10b), so that the position of the slider can be recognized when touched by an operator's finger.
Claim 6
Dependent Claim
29 words
A pointing control device according to claim 3, further comprising a casing (19) for housing the slider (10) in such a manner that the slider (10) is partially exposed.
Claim 7
Dependent Claim
26 words
A pointing control device according to claim 6, wherein said casing (19) is provided with a recess (19a) surrounding the exposed portion of the slider (10).
Claim 8
Dependent Claim
46 words
A pointing control device according to claim 6, wherein an upper surface of said support (13) is provided with an annular projection (39), and wherein a lower surface of said slider is provided with radial projections (38) which engage with the annular projection of the support.
Claim 9
Dependent Claim
22 words
A pointing control device according to claim 2, further comprising means (10c, 20a) for stopping the slider at an origin position thereof.
Claim 10
Dependent Claim
27 words
A pointing control device according to claim 2, wherein said slider (10) is made of a flat plate slidably supported on the support in the horizontal direction.
Claim 11
Dependent Claim
22 words
A pointing control device according to claim 10, wherein an upper surface of said slider is provided with an annular projection (10d).
Claim 12
Dependent Claim
19 words
A pointing control device according to claim 1, further comprising a permanent magnet (18) provided in the slider (10).
Claim 13
Dependent Claim
49 words
A pointing control device according to claim 12, wherein said magnetic reluctance type detector comprises magnetically reluctant elements (14, 14′) located in a vicinity of the permanent magnet (18), whereby a position of the slider (10) is detected due to a magnetic reluctance effect of the magnetically reluctant elements.
Claim 14
Dependent Claim
20 words
A pointing control device according to claim 1, wherein said slider is at least partially made of a magnetized material.
Claim 15
Dependent Claim
23 words
A pointing control device according to claim 1, further comprising a returning means for returning said slider (10) to an origin position thereof.
Claim 16
Dependent Claim
32 words
A pointing control device according to claim 15, wherein said returning means comprises at least one spring (34, 35 or 36) provided between the slider and an immovable portion of the device.
Claim 17
Dependent Claim
24 words
A pointing control device according to claim 15, wherein said returning means comprises a rubber piece (37) provided between the slider and the support.
Claim 18
Dependent Claim
20 words
A pointing control device according to claim 1, further comprising a switch (15) which is actuated by the slider (10).
Claim 19
Dependent Claim
31 words
A pointing control device according to claim 13, further comprising an acceleration control means (43, 44, 45) for controlling the detecting signal of said magnetically reluctant elements (14, 14′) as acceleration.
Claim 20
Dependent Claim
36 words
A pointing control device according to claim 1, wherein said actuating member is a hole member (61) slidably supported on the support and having a finger insertion hole in which an operator's finger can be inserted.
Claim 21
Dependent Claim
24 words
A pointing control device according to claim 20, wherein said support is constituted by a casing (19) for movably holding the hole member (61).
Claim 22
Dependent Claim
18 words
A pointing control device according to claim 21, wherein said hole member is formed of an elastic material.
Claim 23
Dependent Claim
23 words
A pointing control device according to claim 22, further comprising a retaining means (62) for retaining the shape of the elastic hole member.
Claim 24
Dependent Claim
23 words
A pointing control device according to claim 21, further comprising means (74, 78) for stopping the hole member at an origin position thereof.
Claim 25
Dependent Claim
22 words
A pointing control device according to claim 21, further comprising a permanent magnet (18) provided on the bottom of the hole member.
Claim 26
Dependent Claim
48 words
A pointing control device according to claim 25, wherein said magnetic reluctance type detector comprises magnetically reluctant elements (14, 14′) located in a vicinity of the permanent magnet, whereby a position of the hole member is detected due to a magnetic reluctance effect of the magnetically reluctant elements.
Claim 27
Dependent Claim
23 words
A pointing control device according to claim 21, further comprising a returning means for returning said hole member to an origin position thereof.
Claim 28
Dependent Claim
28 words
A pointing control device according to claim 27, wherein said returning means comprises a spring (76) provided between the hole member and an immovable portion of the device.
Claim 29
Dependent Claim
22 words
A pointing control device according to claim 21, further comprising a switch (15) actuated by a movement of the hole member (61).
Claim 30
Dependent Claim
31 words
A pointing control device according to claim 21, further comprising an acceleration control means (43, 44, 45) for controlling the detecting signal of said magnetically reluctant elements (14, 14′) as acceleration.
Claim 31
Dependent Claim
31 words
A pointing control device according to claim 30, further comprising a control means (45) for assuming the acceleration to be zero within a predetermined initial motion region of the hole member.
Claim 32
Dependent Claim
76 words
A portable computer including a keyboard (24) and a pointing control device (25) which is composed of a support (13, 19), a manually movable actuating member (10, 61) movably supported by the support, and a magnetic reluctance type detector (14, 14′) for detecting a magnitude of movement of the movable actuating member within a unit of time, whereby the pointer or cursor can be moved in accordance with the detected magnitude of the movable actuating member.
Claim 33
Dependent Claim
22 words
A portable computer according to claim 32, wherein said pointing control device (25) is provided on the front side of the keyboard.
Claim 34
Dependent Claim
27 words
A portable computer according to claim 33, wherein the actuating member of the pointing control device (25) is located on the front side edge of the keyboard.
Claim 35
Dependent Claim
27 words
A portable computer according to claim 33, wherein the actuating member of the pointing control device (25) is located on the front upper surface of the keyboard.
Claim 36
Dependent Claim
27 words
A portable computer according to claim 33, wherein the actuating member of the pointing control device (25) is located on the front end face of the keyboard.
Claim 37
Dependent Claim
29 words
A portable computer according to claim 33, wherein the pointing control device (25) comprises a pair of input keys (85, 86) located on opposite sides of the actuating member.
Claim 38
Dependent Claim
26 words
A portable computer according to claim 37, wherein the pointing control device (25) is provided with a recessed portion in which the input keys are provided.
Claim 39
Dependent Claim
27 words
A portable computer according to claim 38, wherein said pointing control device (25) comprises a marking which represents a direction of the movement of the actuating member.
Claim 40
Dependent Claim
18 words
A portable computer according to claim 39, wherein said input keys are provided thereon with a non-slip means.
Claim 41
Dependent Claim
24 words
A portable computer according to claim 38, wherein said recessed portion has a shape of an elongated oval when viewed from the front thereof.
Claim 42
Dependent Claim
35 words
A portable computer according to claim 32, further comprising a display portion (93) with a display panel (91), and wherein said pointing control device (25) is provided on the front face of the display portion.
Claim 43
Dependent Claim
29 words
A portable computer according to claim 42, wherein said pointing control device (25) is provided in the vicinity of a corner of the front face of the display portion.
Claim 44
Dependent Claim
44 words
A portable computer according to claim 43, wherein said display portion is provided on a rear face thereof with function buttons (96, 97, 98) corresponding to function buttons of an existing mouse, on a side opposite to that of the pointing control device (25).
Claim 45
Dependent Claim
22 words
A portable computer according to claim 44, wherein said function buttons of the display portion are located in a substantially sector arrangement.
Claim 46
Dependent Claim
22 words
A portable computer according to claim 44, further comprising a discriminating means (95) for discriminating the function buttons on the display portion.
References Cited (Backward Citations)
No citation records indexed.
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