GB2238388A - Control devices - Google Patents

Control devices Download PDF

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Publication number
GB2238388A
GB2238388A GB8922579A GB8922579A GB2238388A GB 2238388 A GB2238388 A GB 2238388A GB 8922579 A GB8922579 A GB 8922579A GB 8922579 A GB8922579 A GB 8922579A GB 2238388 A GB2238388 A GB 2238388A
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United Kingdom
Prior art keywords
control device
touch switches
visual display
display screen
operated
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
GB8922579A
Other versions
GB8922579D0 (en
Inventor
Robert Andrew Barnes
Stephen Charles Theobald
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Philips Electronics UK Ltd
Original Assignee
Philips Electronic and Associated Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Philips Electronic and Associated Industries Ltd filed Critical Philips Electronic and Associated Industries Ltd
Priority to GB8922579A priority Critical patent/GB2238388A/en
Publication of GB8922579D0 publication Critical patent/GB8922579D0/en
Publication of GB2238388A publication Critical patent/GB2238388A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/033Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
    • G06F3/0354Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
    • G06F3/03547Touch pads, in which fingers can move on a surface

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Position Input By Displaying (AREA)

Abstract

A control device 2 for visual display apparatus 1 which has a display screen for displaying computer generated text and/or graphics comprises a co-ordinate array of touch switches overlaid with a surface which constitutes an active area 6 thereof which is "stroked" for effecting movement, e.g. of a cursor, on the display screen. The device detects successive operations of the touch switches and responds also to speed of operation of the switches to affect the rate of cursor movement. The coordinate array may comprise two spaced layers, each with a plurality of spaced conductive strips on its surface facing the other layer and with the two sets of strips at right angles so that the cross-over points of the two sets define the locations of the touch switches. The resolution of the array may be increased by detecting when two adjacent switches are operated simultaneously. The control device 2 may be remote from the display apparatus 1 with a cable or infra-red link 3. <IMAGE>

Description

DESCRIPTION: CONTROL DEVICES This invention relates to a control device comprising a co-ordinate array of touch switches arranged in a common plane and especially to visual display apparatus incorporating such devices.
The invention is particularly applicable to visual display apparatus comprising a visual display screen and a control device for controlling a visual display or part thereof on said screen.
Many personal and business computers nowadays are provided with a so-called x-y input device e.g. a mouse, trackerball, joystick or graphics tablet which allows a user to perform some interactive control of an on-screen display, such as by positioning a cursor alongside an item to be selected on a displayed menu.
On-screen displays may be used to present a wide variety of information to the user e.g. status, help, dialogue boxes, etc., and also afford access to full interactive control by using, for example, menus, virtual buttons, sliders, counters and indicators.
It is now becoming common to provide on-screen displays in the consumer electronics video field, for example, on television receivers, and also portable lap-top operated personal computers are becoming available which incorporate on-screen displays. In both of these applications the existing forms of x-y input device are not ideal and it is an object of the present invention to provide an improved form of x-y input device.
According to one aspect of the present invention, there is provided a control device comprising a co-ordinate array of touch switches arranged in a common plane, characterised in that said control device additionally comprises a surface which overlies said touch switches and which is adapted to be stroked with a digit or like object to cause successive touch switches to be operated to effect control of said visual display or part thereof, and means for detecting the successive operation of said touch switches to effect a required control action.
Preferably, it will be arranged that said control device comprises a first layer having a first plurality of spaced apart conductive strips, an overlying layer having on an inside surface a second plurality of spaced apart parallel disposed conductive strips which overlie said first plurality and which extend in the same plane and at right angles thereto, each crossover of said first plurality of strips and said second plurality of strips constituting one of said touch switches. In such a case it may be arranged that an outer surface of said overlying layer constitutes said surface which is adapted to be stroked.
Preferably, said control device will comprise means for detecting when two or more said touch switches are operated contemporaneously and for increasing the effective resolution of said control device.
According to a second aspect of the invention, there is provided visual display apparatus comprising a visual display screen and a control device in accordance with the present invention for controlling a visual display or part thereof on said screen.
In carrying out the invention according to the said second aspect, computer means may be provided for generating text and/or graphics which constitute said visual display, and it may be arranged that said text and/or graphics are superimposed on a television display screen.
With such apparatus the control device may comprise means for detecting the speed at which said successive touch switches are operated, and for effecting control of said visual display or part thereof in accordance with the said detected speed; and in addition there may be means for detecting the effective direction that said successive touch switches are operated, and for effecting corresponding directional control of said visual display or part thereof.
It may be arranged that said co-ordinate array of touch switches directly relates to the area of said display screen, or relates to a portion or portions of the area of said display screen.
Advantageously, the control device may be provided with a further switch for initiating an action determined by said visual display, and said control device and said display screen may be remotely coupled, for example, by means of a cable, an infra-red link, or any other remote link.
An exemplary embodiment of the invention will now be described with reference to the accompanying drawings, in which: Figure 1, depicts diagrammatically one form of visual display apparatus including a control device in accordance with the present invention, Figures 2 and 3 depict constructional details of the control device included in the apparatus of Figure 1, Figures 4(a) to 4(d) depict diagrammatically a method of increasing the resolution of the control device included in the apparatus of Figure 1, and Figures 5(a) and (b) depict diagrammatically direct and relative mapping features incorporated in the control device included in the apparatus of Figure 1.
In Figure 1 of the drawings there is shown a personal computer (PC) 1 which includes a display screen on which is displayed computer generated text and graphics in well known manner, the computer generated text and graphics being conveniently referred to as an "on-screen display".
On-screen displays may be used to present a wide variety of information to the user e.g. status, help, dialogue boxes, etc., and also afford access to full interactive control by using, for example, menus, virtual buttons, sliders, counters and indicators.
In order to provide for interactive control it is necessary to provide some form of control device, typically an x-y input device, which enables a user, for example, to move a cursor relative to displayed text or graphics, and to activate the device when the required position has been selected. In the past the most commonly used for of x-y input device has been the so-called "mouse" which is connected to the personal computer by cable, and which is moved over a flat surface in order to position a cursor on the screen. A major disadvantage of the mouse, as will be explained later, is the need to provide a flat surface to operate on adjacent the personal computer.
Other well known forms of x-y input devices are the "trackerball", which is similar to an upside-down mouse which is easy to use and offers high resolution but tends to be expensive and bulky; the "joystick" which is commonly found connected to computers and video games, which requires expensive analogue-to-digital converters and which can suffer from "wear" problems; and "graphics tablets" which are normally used on business equipment and which are usually expensive.
As well as being used on personal and business computers, on-screen displays are being introduced in the consumer electronics video field, for example, in television receivers for indicating volume settings, colour settings, etc. Also lap-top operated personal computers are being introduced which make use of on screen displays and existing forms of x-y input device are not ideal in these applications. For example, with remote controlled television receivers and lap-top personal computers, a suitable flat surface may not be available for operating a mouse.
In the visual display apparatus of Figure l an improved form of x-y input device 2 is provided which is remotely linked to the personal computer 1 via an infra-red link between the device 2 and an infra-red receiver 3 connected to the personal computer 1 by a cable. It should be appreciated that the infra-red transmitter/receiver could form an integral part of the personal computer 1 but by providing it as a separate element it may be pointed at will in the general direction that the x-y input device 2 is going to be used in.
The x-y input device 2 consists of an outer case 4 within the top surface 5 of which is located an "active" area 6 which, as will be described, is "stroked" with a user's finger in any required direction in order to position, for example, a cursor on the display screen. The x-y input device 2 is also provided with an "activate" button 7 which is operated when the cursor on the display screen has been set to the required position.
As will now be described with reference to Figures 2 and 3 of the drawings, the active area 6 of the x-y input device 2 of Figure 1 is formed by a co-ordinate array of touch switches, successive ones of which are caused to be operated as a user's finger is "stroked" over the active area 6, suitable computer software being provided within the x-y input device 2 to determine which of the touch switches are operated in order that this may be translated into corresponding movement of, for example, a cursor on the display screen.
As is shown in Figures 2 and 3, the active area 6 of the x-y input device 2 is formed by a co-ordinate array of thirty-six touch switches 8 formed on a support panel 9, the touch switches 8 being arranged in six "rows" 10 and six "columns" 11. The touch switches 8 are formed by a first polyester film 12 which is secured to the upper surface 13 of the support panel 9, and on the top surface 14 of which are formed six spaced apart conductive strips 15 which correspond to the six "columns" 11 (Figure 2). Over the first polyester film 12 is secured a second polyester film 16 on the bottom surface 17 of which are formed six spaced apart conductive strips 18, only one of which is shown in Figure 3, which correspond to the six "rows" 11 (Figure 2).Each of the touch switches 8 is formed at the crossover point of the "column" conductive strips 15 and the "row" conductive strips 18, each of the touch switches 8 being separated from adjacent touch switches by insulated spacer bars 19 arranged in an open square lattice arrangement between the polyester films 12 and 16. The top surface 20 of the second polyester film 16 constitutes the actual "active" area 6 of the x-y input device 2, and when it is "stroked" with a user's finger, successive ones of the touch switches 8 are caused to be operated as indicated diagrammatically at 21 in Figure 3.
Reverting back to Figure 2 of the drawings, the support panel 9 is provided with twelve conductive tracks 22, six of which terminate in terminal areas 23 which correspond respectively to the six "rows" 10 of the array of touch switches 8, and the other six of which terminate in terminal areas 24 which correspond respectively to the six "columns" 11 of the array of touch switches 8. It is arranged that the "row" conductive strips 18 on the polyester film 16 are bonded to respective ones of the "row" terminal areas 23 and the "column" conductive strips 15 on the polyester film 12 are bonded to respective "column" terminal areas 24.The free ends 25 of the conductive tracks 22 are formed as a "tail" connector for connection into hardware (not shown) which forms part of the xy input device 2, and which may typically comprise a microprocessor which is programmed to detect the successive operation of the touch switches 8 of the x-y input device 2, and an infra-red transmitter for transmitting control information to the infra-red receiver 3 (Figure 1).
It has been found that the x-y input device 2 which has been described with reference to Figures 1 to 3 of the drawings is advantageous in that it does not require a flat surface to operate on as does the "mouse", it is easy to use for both left and right handed people, it has a "natural" feel and is not tiring to use, it is easily portable and it is cheap to manufacture being based on simple row/column touch pad technology. The resolution of the device 2 is determined by the size and pitch of the touch switches 8, it being appreciated that any convenient number of such switches can be provided dependent upon any particular application.
It has been found, however, that the resolution of the x-y input device 2 can be effectively doubled by arranging that the software detects when two or more of the touch switches 8 are operated contemporaneously by means of averaging. This is illustrated in Figures 4(a) and (b) of the drawings, in which an array of four-by-four touch switches are considered and in which the "row" touch switches, which are references "Y" and the junctions between them are consecutively numbered 0 to 6 and the "column" touch switches, which are referenced "X" and the junctions between them are also consecutively numbered 0 to 6.
In Figure 4(a) it is assumed that a user has operated a single touch switch A which the computer software is arranged to detect as an output corresponding to X = 2, Y = 4.
In Figure 4(b) it is assumed that a user has operated two touch switches B, which the computer software is arranged to detect as an output corresponding to x = 3, Y = 4.
In Figure 4(c) it is assumed that a user has operated four touch switches C which the computer software is arranged to detect as an output corresponding to X = 3, Y = 4.
In Figure 4(d) it is assumed that a user has an unusually large finger and has caused nine touch switches D to be operated, which the computer software is arranged to detect as an output corresponding to X = 4, Y = 4.
In this way, because the x-y input device 2 is able to detect the operation of adjacent touch switches 8 as well as the actual touch switches 8, the resolution which is obtained is increased and also the device is tolerant of a wide variation in finger size.
It may be provided, by suitably arranging the computer software, that the active area 6 of the x-y input device 2 directly maps the area of the display screen S as is depicted in Figure 5(a) of the drawings, in which a movement "E" on the active area 6 of the x-y input device 2 translates into a corresponding movement "F" in the same relative position on the display screen.
Alternatively, as depicted in Figure 5(b) of the drawings, it may be arranged that a movement "G" on the active area 6 of the x-y input device 2 translates into a corresponding movement H on the display screen S, but in the position determined by a previous operation of the x-y input device 2.
It may also be arranged that the computer software detects the speed at which a user's finger is "stroked" across the active area 6 of the x-y input device 2 so that, for example, if a relatively slow "stroke" is used, the cursor on the display screen is caused to move a small distance, whereas a relatively "fast" stroke across the active area 6 of the x-y input device 2 causes the cursor on the display screen to be moved a large distance. In this way, fast "stroking" movements in the active area 6 can be used to "coarsely" position the cursor on the display screen and slow "stroking" movements can be used to "fine" position the cursor.
Although in the arrangement which has been described, the x-y input device 2 has been provided with a separate "activate" button 7, it should be appreciated that this could be constituted by one of the touch switches 8 or could be dispensed with by arranging, for example, that an "activate" signal is generated by pressing twice on the active area 6 of the x-y input device 2 at the position corresponding to the wanted position of the cursor.
Also, although the x-y input device 2 has been described in conjunction with a personal computer which has an on screen display facility, it should be appreciated that the x-y input device described may be used in conjunction with any visual display apparatus, for example, television receivers, which have an on screen display facility, and also possibly with other forms of apparatus which require a control device of the kind described to control a required action. It should also be appreciated that although an infra-red remote link has been provided between the x-y input device 2 and the personal computer 1, any suitable remote link e.g. a cable may be used.
From reading the present disclosure, other modifications will be apparent to persons skilled in the art. Such modifications may involve other features which are already known per se and which may be used instead of or in addition to features already described herein. Although claims have been formulated in this application to particular combinations of features, it should be understood that the scope of the disclosure of the present application also includes any novel feature or any novel combination of features disclosed herein either explicitly or implicitly or any generalisation or modification thereof which would be apparent to persons skilled in the art, whether or not it relates to the same invention as presently claimed in any claim and whether or note it mitigates any or all of the same technical problems as does the present invention. The applicants hereby reserve the right to formulate new claims to such features and/or combinations of such features during the prosecution of the present application or of any further application derived therefrom.

Claims (17)

CLAIM(S)
1. A control device comprising a co-ordinate array of touch switches arranged in a common plane, characterised in that said control device additionally comprises a surface which overlies said touch switches and which is adapted to be stroked with a digit or like object to cause successive touch switches to be operated, and means for detecting the successive operation of said touch switches to effect a required control action.
2. A control device as claimed in Claim 1, comprising a first layer having a first plurality of spaced apart conductive strips, an overlying layer having on an inside surface a second plurality of spaced apart parallel disposed conductive strips which overlie said first plurality and which extend in the same plane and at right angles thereof, each crossover of said first plurality of strips and said second plurality of strips constituting one of said touch switches.
3. A control device as claimed in Claim 2, in which an outer surface of said overlying layer constitutes said surface which is adapted to be stroked.
4. A control device as claimed in any of Claims 1,2 or 3, in which said control device comprises means for detecting when two or more said touch switches are operated contemporaneously and for increasing the effective resolution of said control device.
5. Visual display apparatus comprising a visual display screen and a control device as claimed in Claim 1,2,3 or 4, for controlling a visual display or part thereof on said screen.
6. Apparatus as claimed in Claim 5, comprising computer means for generating text and/or graphics which constitute said visual display.
7. Apparatus as claimed in Claim 6, in which said screen is that of a television display on which said text and/or graphics are superimposed.
8. Apparatus as claimed in any of Claims 5,6 or 7, in which said control device comprises means for detecting the speed at which said successive touch switches are operated, and for effecting control of said visual display or part thereof in accordance with said detected speed.
9. Apparatus as claimed in any of Claims 5 to 8, in which said control device comprises means for detecting the effective direction that said successive touch switches are operated, and for effecting corresponding directional control of said visual display or part thereof.
10. Apparatus as claimed in any of Claims 5 to 9, in which said co-ordinate array of touch switches directly relates to the area of said display screen.
11. Apparatus as claimed in any of Claims 5 to 9, in which said co-ordinate array of touch switches relates to a portion or portions of the area of said display screen.
12. Apparatus as claimed in any of Claims 5 to 11, in which said control device comprises a further switch for initiating an action determined by said visual display.
13. Apparatus as claimed in any Claims 5 to 12, in which said control device and said display screen are remotely coupled.
14. Apparatus as claimed in Claim 13, in which said control device and said display screen are coupled by means of a cable.
15. Apparatus as claimed in Claim 13, in which said control device and said display screen are coupled by means of an infra-red link.
16. A control device substantially as hereinbefore described with reference to the accompanying drawings.
17. Visual display apparatus substantially as hereinbefore described with reference to the accompanying drawings.
GB8922579A 1989-10-06 1989-10-06 Control devices Withdrawn GB2238388A (en)

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Application Number Priority Date Filing Date Title
GB8922579A GB2238388A (en) 1989-10-06 1989-10-06 Control devices

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Application Number Priority Date Filing Date Title
GB8922579A GB2238388A (en) 1989-10-06 1989-10-06 Control devices

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GB2238388A true GB2238388A (en) 1991-05-29

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996030863A2 (en) * 1995-03-31 1996-10-03 Frazer Concepts Limited Computer input devices
EP0911720A1 (en) * 1997-10-23 1999-04-28 Hewlett-Packard Company User input device
EP0985994A1 (en) * 1998-09-11 2000-03-15 Electrowatt Technology Innovation AG Method and device for inputting process parameters
DE19510657B4 (en) * 1994-07-27 2004-11-25 Samsung Electronics Co., Ltd., Suwon Remote control method and remote control device for an image device
DE10344981A1 (en) * 2003-09-27 2005-05-04 Waldemar Gazke Mini-keyboard has sizes/spacings of keys combined so several keys can be tapped simultaneously; each character that can be entered is characterized/coded by keys simultaneously tapped by finger/object, can thus be recognized by processor
DE102004061420A1 (en) * 2004-12-21 2006-07-06 Daimlerchrysler Ag Operating system for a vehicle
CN101950475A (en) * 2010-08-31 2011-01-19 浙江大学 Remote controller based on mobile equipment touch screen stroke recognition and method for remotely controlling electrical appliance
USD730993S1 (en) 2013-09-20 2015-06-02 Wms Gaming Inc. Inclined input interface for a gaming terminal
US9349240B2 (en) 2013-09-20 2016-05-24 Bally Gaming, Inc. Gaming terminal with an inclined input interface

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2134294A (en) * 1983-01-21 1984-08-08 Laitram Corp Manual data entry
GB2139762A (en) * 1983-04-08 1984-11-14 Gavilan Computer Corp An input device and a method of inputting data to a computer system
US4646062A (en) * 1983-08-02 1987-02-24 Canon Kabushiki Kaisha Key input device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2134294A (en) * 1983-01-21 1984-08-08 Laitram Corp Manual data entry
GB2139762A (en) * 1983-04-08 1984-11-14 Gavilan Computer Corp An input device and a method of inputting data to a computer system
US4646062A (en) * 1983-08-02 1987-02-24 Canon Kabushiki Kaisha Key input device

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19510657B4 (en) * 1994-07-27 2004-11-25 Samsung Electronics Co., Ltd., Suwon Remote control method and remote control device for an image device
WO1996030863A2 (en) * 1995-03-31 1996-10-03 Frazer Concepts Limited Computer input devices
WO1996030863A3 (en) * 1995-03-31 1996-10-31 Frazer Concepts Ltd Computer input devices
EP0911720A1 (en) * 1997-10-23 1999-04-28 Hewlett-Packard Company User input device
EP0985994A1 (en) * 1998-09-11 2000-03-15 Electrowatt Technology Innovation AG Method and device for inputting process parameters
DE10344981A1 (en) * 2003-09-27 2005-05-04 Waldemar Gazke Mini-keyboard has sizes/spacings of keys combined so several keys can be tapped simultaneously; each character that can be entered is characterized/coded by keys simultaneously tapped by finger/object, can thus be recognized by processor
DE102004061420A1 (en) * 2004-12-21 2006-07-06 Daimlerchrysler Ag Operating system for a vehicle
CN101950475A (en) * 2010-08-31 2011-01-19 浙江大学 Remote controller based on mobile equipment touch screen stroke recognition and method for remotely controlling electrical appliance
CN101950475B (en) * 2010-08-31 2012-05-09 浙江大学 Remote controller based on mobile equipment touch screen stroke recognition and method for remotely controlling electrical appliance
USD730993S1 (en) 2013-09-20 2015-06-02 Wms Gaming Inc. Inclined input interface for a gaming terminal
US9349240B2 (en) 2013-09-20 2016-05-24 Bally Gaming, Inc. Gaming terminal with an inclined input interface
USD760846S1 (en) 2013-09-20 2016-07-05 Bally Gaming, Inc. Inclined input interface for a gaming terminal
US9858747B2 (en) 2013-09-20 2018-01-02 Bally Gaming, Inc. Gaming terminal with an inclined input interface
US10163294B2 (en) 2013-09-20 2018-12-25 Bally Gaming, Inc. Gaming terminal with an inclined input interface
US10290175B2 (en) 2013-09-20 2019-05-14 Bally Gaming, Inc. Gaming terminal with an inclined input interface

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