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US5437014A
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US
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System for supporting mouse button events of dependent workstation terminals connected to main processor executing multiple application programs
Assignee: International Business Machines Corp
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Filing: 1991-12-31
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Granted: 1995-07-25
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Expires: 2011-12-31
Abstract
Abstract A dependent, nonprogrammable, character-based workstation terminal (DWS) supports a mouse. A terminal controller entirely within the DWS processes and displays mouse motions, but sends mouse button actuations, with the current mouse position, to a single workstation controller (WSC) handling many DWS'. The WSC processes the actuations according to a set of rules, and sends data streams to a main processor (MP) serving multiple WSCs. The MP executes user application programs, partially in response to data streams representing mouse events. The MP executes user application programs, partially in response to data streams representing mouse events. The MP may also send mouse rule sets to the WSCs in data streams.
Inventors
- 👤 Leah J. H. Busboom
- 👤 Stephen T. Eagen
- 👤 Harvey G. Kiel
- 👤 Raymond F. Romon
- 👤 Jeffery J. Van Heuklon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:36
CPC Classifications
G; G06; G06F; G06F3/00; G06F3/01; G06F3/03; G06F3/033; G06F3/038
Claims Analysis
Total Claims: 37
Claim 1
Independent Claim
433 words
A data-processing system, comprising: a main processor for executing multiple interactive user application programs; at least one workstation controller, including means for coupling said workstation controller to said main processor for transferring data streams between said workstation controller and respective ones of said application programs, certain of said data streams being mouse data streams responsive to mouse-button actuations by a user and actions defined by said application programs in response to said mouse-button actuations, memory means for storing workstation-controller data and program code, a communications adapter for sending and receiving data frames, certain of said data frames being mouse-button-event data frames, a microprocessor executing said workstation-controller program code for converting selected ones of said data streams into said data frames, and for converting selected ones of said mouse-button-event data frames into further ones of said data streams and transmitting them to said main processor; a plurality of dependent workstation terminals all coupled to said one workstation controller, each of said terminals comprising a display having specified rows and columns each capable of displaying one of a set of characters, a keyboard for receiving individual keystrokes from a user, a mouse having body means for producing data representing movement events and button means for producing button events when actuated by said user, a communications adapter for sending and receiving said data frames, a terminal microprocessor executing terminal program code for (a) processing received data frames so as to (b) display specified ones of said characters at specified rows and columns of said display, for (c) transmitting data frames representing said keystrokes, for (d) storing a current mouse position in response to said mouse-movement events, for (e) displaying on said display a mouse cursor at said mouse position directly in response to said current mouse position stored in said terminal memory means, and for (f) transmitting said mouse-button-event data frames to said workstation controller in response exclusively to said mouse-button events and not in response to said mouse-movement events, said mouse-event data frames containing both said current mouse position and an indication specifying said mouse-button event, memory means for storing said terminal program code, said terminal program code stored for at least functions (d) through (f) remaining the same with respect to all of said multiple application programs executing in said main processor wherein each of said mouse-button-event data frames contains a type of mouse-button event, and a specification of said current mouse position in terms of one of said rows and one of said columns in said display, said mouse-button-event data frames remaining the same with respect to all of said multiple application programs.
Claim 2
Dependent Claim
433 words
A data-processing system, comprising: a main processor for executing multiple interactive user application programs; at least one workstation controller, including means for coupling said workstation controller to said main processor for transferring data streams between said workstation controller and respective ones of said application programs, certain of said data streams being mouse data streams responsive to mouse-button actuations by a user and actions defined by said application programs in response to said mouse-button actuations, memory means for storing workstation-controller data and program code, a communications adapter for sending and receiving data frames, certain of said data frames being mouse-button-event data frames, a microprocessor executing said workstation-controller program code for converting selected ones of said data streams into said data frames, and for converting selected ones of said mouse-button-event data frames into further ones of said data streams and transmitting them to said main processor; a plurality of dependent workstation terminals all coupled to said one workstation controller, each of said terminals comprising a display having specified rows and columns each capable of displaying one of a set of characters, a keyboard for receiving individual keystrokes from a user, a mouse having body means for producing data representing movement events and button means for producing button events when actuated by said user, a communications adapter for sending and receiving said data frames, a terminal microprocessor executing terminal program code for (a) processing received data frames so as to (b) display specified ones of said characters at specified rows and columns of said display, for (c) transmitting data frames representing said keystrokes, for (d) storing a current mouse position in response to said mouse-movement events, for (e) displaying on said display a mouse cursor at said mouse position directly in response to said current mouse position stored in said terminal memory means, and for (f) transmitting said mouse-button-event data frames to said workstation controller in response exclusively to said mouse-button events and not in response to said mouse-movement events, said mouse-event data frames containing both said current mouse position and an indication specifying said mouse-button event, memory means for storing said terminal program code, said terminal program code stored for at least functions (d) through (f) remaining the same with respect to all of said multiple application programs executing in said main processor wherein each of said mouse-button-event data frames contains a type of mouse-button event, and a specification of said current mouse position in terms of one of said rows and one of said columns in said display, said mouse-button-event data frames remaining the same with respect to all of said multiple application programs.
Claim 3
Dependent Claim
37 words
The system of claim 1, wherein said mouse has a plurality of individually actuable button means, and wherein said mouse-event data frames further contain a specification of which of said button means was actuated by said user.
Claim 4
Dependent Claim
44 words
The system of claim 1, wherein said workstation-controller memory contains logic specifying a set of variable actions associated with different ones of said mouse-event data frames, and wherein said workstation-controller microprocessor performs said actions in response to said data frames from said dependent terminals.
Claim 5
Dependent Claim
34 words
The system of claim 3, wherein said main processor is responsive to at least one of said application programs for sending said logic to said workstation controller in one of said mouse data streams.
Claim 6
Dependent Claim
53 words
The system of claim 3, wherein said data frames contain a type of mouse event and a specification of said current mouse position, and wherein said logic is responsive both to said event type and to the location of said current position within one of a number of predefined fields on said display.
Claim 7
Dependent Claim
22 words
The system of claim 5, wherein said fields represent rows and columns of said display in which said user may enter data.
Claim 8
Dependent Claim
27 words
The system of claim 5, wherein said fields represent rows and columns of said display containing a construct defined by a data stream from said main processor.
Claim 9
Dependent Claim
39 words
The system of claim 7, wherein said construct is a scroll bar, and wherein said action comprises moving a plurality of characters on said display to different locations on said display in response to one of said mouse-button events.
Claim 10
Dependent Claim
36 words
The system of claim 7, wherein said construct is a menu bar, and wherein said action comprises displaying a menu of characters in relation to said menu bar in response to one of said mouse-button events.
Claim 11
Dependent Claim
45 words
The system of claim 7, wherein said construct is a plurality of selection boxes, and wherein said action comprises storing a plurality of selection choices from a plurality of said data frames in said workstation-controller memory in response to a plurality of said mouse-button events.
Claim 12
Dependent Claim
36 words
The system of claim 10, wherein said workstation-controller microprocessor is responsive to a predetermined keystroke subsequent to the storing of said selection choices for sending a data stream representing all said choices to said main processor.
Claim 13
Dependent Claim
19 words
The system of claim 3, wherein said logic is stored in said workstation-controller memory independent of said application programs.
Claim 14
Dependent Claim
53 words
The system of claim 12, wherein said data frames contain a type of mouse event and a specification of said current mouse position, and wherein said logic is responsive both to said event type and to the location of said current position within one of a number of predefined fields on said display.
Claim 15
Dependent Claim
41 words
The system of claim 13, wherein a plurality of said actions cause said workstation-controller microprocessor to interpret said mouse-button events as keystrokes from said keyboard of said terminal, and to send to said main processor a data stream representing said keystrokes.
Claim 16
Dependent Claim
27 words
The system of claim 14, wherein said workstation controller microprocessor sends data streams representing different keystrokes in response to said current location specified in said data frame.
Claim 17
Dependent Claim
34 words
The system of claim 3, wherein certain of said actions are performed in said workstation controller below the level of said main processor, such that said application programs execute independently of said certain actions.
Claim 18
Dependent Claim
51 words
The system of claim 16, wherein one of said actions causes said workstation controller to transmit a designated data frame to one of said terminals, and wherein said one terminal thereafter transmits to said workstation controller a sequence of unique data frames representing said current position stored in said terminal memory.
Claim 19
Dependent Claim
18 words
The system of claim 17, wherein said one terminal transmits said unique data frames at predetermined time intervals.
Claim 20
Dependent Claim
51 words
The system of claim 17, wherein another of said actions causes said workstation controller to transmit another designated data frame to said one terminal, and wherein said one terminal thereafter transmits to said workstation controller said current position stored in said terminal memory only upon the occurrence of a mouse-button event.
Claim 21
Dependent Claim
329 words
A data-processing system, comprising: a host processor for executing a plurality of interactive application programs; at least one communication medium; a plurality of dependent workstation terminals physically remote from said host processor and all connected thereto by said one communications medium, each said dependent workstation terminal including a display having a limited number of discrete rows and columns each capable of displaying one of a set of characters, a keyboard for receiving individual keystrokes from a user, a mouse having body means for producing data representing movement events and button means for producing button events when actuated by said user, a communications adapter for exchanging said data frames with said host processor on said one communications medium, a terminal microprocessor executing terminal program code for (a) receiving said data frames so as to (b) display specified ones of said characters at specified rows and columns of said display, for (c) transmitting data frames representing said keystrokes, for (d) storing a current mouse position in response to said mouse-movement events, for (e) displaying on said display a mouse cursor at said mouse position directly in response to said current mouse position stored in said terminal memory means, and for (f) transmitting button-event data frames to said host processor exclusively in response to said button events and not in response to said movement events, said button-event data frames containing both said current mouse position and an indication specifying said mouse-button event, memory means for storing said terminal program code, said terminal program code stored for at least functions (d) through (f) remaining the same with respect to all of said plurality of application programs executing in said main processor wherein each of said mouse-button-event data frames contains a type of mouse-button event, and a specification of said current mouse position in terms of one of said rows and one of said columns in said display, said mouse-button-event data frames remaining the same with respect to all of said plurality application programs.
Claim 22
Dependent Claim
329 words
A data-processing system, comprising: a host processor for executing a plurality of interactive application programs; at least one communication medium; a plurality of dependent workstation terminals physically remote from said host processor and all connected thereto by said one communications medium, each said dependent workstation terminal including a display having a limited number of discrete rows and columns each capable of displaying one of a set of characters, a keyboard for receiving individual keystrokes from a user, a mouse having body means for producing data representing movement events and button means for producing button events when actuated by said user, a communications adapter for exchanging said data frames with said host processor on said one communications medium, a terminal microprocessor executing terminal program code for (a) receiving said data frames so as to (b) display specified ones of said characters at specified rows and columns of said display, for (c) transmitting data frames representing said keystrokes, for (d) storing a current mouse position in response to said mouse-movement events, for (e) displaying on said display a mouse cursor at said mouse position directly in response to said current mouse position stored in said terminal memory means, and for (f) transmitting button-event data frames to said host processor exclusively in response to said button events and not in response to said movement events, said button-event data frames containing both said current mouse position and an indication specifying said mouse-button event, memory means for storing said terminal program code, said terminal program code stored for at least functions (d) through (f) remaining the same with respect to all of said plurality of application programs executing in said main processor wherein each of said mouse-button-event data frames contains a type of mouse-button event, and a specification of said current mouse position in terms of one of said rows and one of said columns in said display, said mouse-button-event data frames remaining the same with respect to all of said plurality application programs.
Claim 23
Dependent Claim
37 words
The system of claim 20, wherein said mouse has a plurality of individually actuable button means, and wherein said mouse-event data frames further contain a specification of which of said button means was actuated by said user.
Claim 24
Dependent Claim
30 words
The system of claim 20, wherein a subset of said set of characters defines different individual parts of a construct displayable at certain row and column locations of said display.
Claim 25
Dependent Claim
340 words
A character-based dependent workstation terminal for a data-processing system having a host processor for executing a plurality of application programs and for controlling a plurality of dependent workstation terminals simultaneously by means of data frames exchanged over a single communications medium, said dependent workstation terminal comprising: a display for displaying a plurality of individual characters from a set of characters at each of a limited plurality of locations; at least one enclosure physically separate and remote from said host processor; a communications adapter coupled to said single communications medium; a keyboard for receiving individual keystrokes from a user; a mouse movable by said user for producing data representing mouse-movement events, and containing at least one button actuable by said user for producing data representing mouse-button events; a terminal microprocessor executing terminal program code for (a) receiving said data frames from said host processor and (b) displaying characters represented therein at locations specified in said data frames, for (c) sending said individual keystrokes in to said host processor, for (d) storing in said memory means a current location of said mouse in response to said data representing said mouse-movement events, for (e) displaying on said display a mouse cursor at said mouse position directly in response to said current mouse position stored in said terminal memory means, and for (f) sending mouse-button-event data frames encoding said mouse-button events and said current mouse position exclusively in response to said data representing said mouse-button events and not in response to said mouse-movement events; memory means for storing said terminal program code, said terminal program code stored for at least functions (d) through (f) remaining the same with respect to all of said plurality of application programs executing in said main processor wherein each of said mouse-button-event data frames contains a type of mouse-button event, and a specification of said current mouse position in terms of one of said rows and one of said columns in said display, said mouse-button-event data frames remaining the same with respect to all of said plurality application programs.
Claim 26
Dependent Claim
340 words
A character-based dependent workstation terminal for a data-processing system having a host processor for executing a plurality of application programs and for controlling a plurality of dependent workstation terminals simultaneously by means of data frames exchanged over a single communications medium, said dependent workstation terminal comprising: a display for displaying a plurality of individual characters from a set of characters at each of a limited plurality of locations; at least one enclosure physically separate and remote from said host processor; a communications adapter coupled to said single communications medium; a keyboard for receiving individual keystrokes from a user; a mouse movable by said user for producing data representing mouse-movement events, and containing at least one button actuable by said user for producing data representing mouse-button events; a terminal microprocessor executing terminal program code for (a) receiving said data frames from said host processor and (b) displaying characters represented therein at locations specified in said data frames, for (c) sending said individual keystrokes in to said host processor, for (d) storing in said memory means a current location of said mouse in response to said data representing said mouse-movement events, for (e) displaying on said display a mouse cursor at said mouse position directly in response to said current mouse position stored in said terminal memory means, and for (f) sending mouse-button-event data frames encoding said mouse-button events and said current mouse position exclusively in response to said data representing said mouse-button events and not in response to said mouse-movement events; memory means for storing said terminal program code, said terminal program code stored for at least functions (d) through (f) remaining the same with respect to all of said plurality of application programs executing in said main processor wherein each of said mouse-button-event data frames contains a type of mouse-button event, and a specification of said current mouse position in terms of one of said rows and one of said columns in said display, said mouse-button-event data frames remaining the same with respect to all of said plurality application programs.
Claim 27
Dependent Claim
18 words
The terminal of claim 23, wherein said limited plurality of locations are rows and columns on said display.
Claim 28
Dependent Claim
49 words
The terminal of claim 24, wherein one character of said set is a mouse cursor, and wherein said terminal microprocessor is responsive to said current location in said terminal memory to display said mouse cursor on said display at a row and column location specified by said current position.
Claim 29
Dependent Claim
45 words
The terminal of claim 24, wherein one character of said set is a text cursor, and wherein said terminal microprocessor displays said text cursor at a row and column location on said display specified by one of said data frames received from said host processor.
Claim 30
Dependent Claim
50 words
The terminal of claim 26, wherein another, different character of said set is a mouse cursor, and wherein said terminal microprocessor is responsive to said current location in said terminal memory to display said mouse cursor on said display at a row and column location specified by said current position.
Claim 31
Dependent Claim
22 words
The terminal of claim 23, wherein said mouse-event data frames represent a press, a release, and a click of said button means.
Claim 32
Dependent Claim
19 words
The terminal of claim 23, wherein said mouse-event data frames further represent a double click of said button means.
Claim 33
Dependent Claim
31 words
The terminal of claim 29, wherein said terminal microprocessor is responsive to a predetermined sequence of said keystrokes from said keyboard to set a maximum time interval representing a double click.
Claim 34
Dependent Claim
30 words
The terminal of claim 23, wherein said mouse has a plurality of said buttons, and wherein each of said mouse-event data frames contains a designation specifying one of said buttons.
Claim 35
Dependent Claim
45 words
The terminal of claim 23, wherein said terminal microprocessor is responsive to a predetermined one of said data frames from said host processor thereafter to transmit to said host processor a sequence of unique data frames representing said current position stored in said terminal memory.
Claim 36
Dependent Claim
18 words
The terminal of claim 32, wherein said one terminal transmits said unique data frames at predetermined time intervals.
Claim 37
Dependent Claim
51 words
The terminal of claim 33, wherein another of said actions causes said host processor to transmit another designated data frame to said one terminal, and wherein said one terminal thereafter transmits to said host processor said current position stored in said terminal memory only upon the occurrence of a mouse-button event.
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USPTO Annuity & Maintenance Windows
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| 7.5 Years (Year 8) | 2002-07-24 | 2003-01-23 | 2003-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2006-07-24 | 2007-01-23 | 2007-07-25 | $7700.00 | Window Closed / Lapsed |