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Title: US5133011: Method and apparatus for linear vocal control of cursor position
[ Derwent Title ]


Country: US United States of America

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7 pages

 
Inventor: McKiel, Jr., Frank A.; Dallas, TX

Assignee: International Business Machines Corporation, Armonk, NY
other patents from INTERNATIONAL BUSINESS MACHINES CORPORATION (280070) (approx. 44,393)
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Published / Filed: 1992-07-21 / 1990-12-26

Application Number: US1990000633882

IPC Code: Advanced: G06F 3/023; G06F 3/038; G06F 3/048; G06F 3/16;
IPC-7: G09G 1/00; G10L 5/00;

ECLA Code: G06F3/16U; G06F3/0489C; S06F203/0381;

U.S. Class: Current: 704/276;
Original: 381/043; 395/002; 381/048;

Field of Search: 381/041-43,48 395/002

Priority Number:
1990-12-26  US1990000633882

Abstract: A method and apparatus for linear vocal control of cursor position within a computer display system. A microphone is utilized in conjunction with a computer system to detect vocal utterances and each vocal utterance is then coupled to an analysis circuit to detect voiced and unvoiced vocal utterances. Variations in the pitch of each voiced vocal utterance and the virtual frequency of each unvoiced vocal utterance are then utilized to linearly vary the position of a cursor in the computer display system in two axes independently. In a depicted embodiment of the present invention the analysis circuit includes a short delay to ensure that a valid control signal has occurred. Thereafter, increases or decreases in pitch or virtual frequency from an initial value are utilized to initiate movement by the cursor in a positive or negative direction in the two axes. Cursor motion will persist until pitch or virtual frequency return to an initial value or until the utterance ceases. In one embodiment of the present invention the appearance of the cursor is graphically altered to the indicate the presence of a valid control signal.

Attorney, Agent or Firm: Dillon, Andrew J. ;

Primary / Asst. Examiners: Kemeny, Emanuel S.;

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Designated Country: DE FR GB IT 

Family: Show 10 known family members

First Claim:
Show all 12 claims
I claim:     1. A method in a computer system including a display screen having a cursor displayed at a selected position therein, for linear vocal control of fine cursor movement, said method comprising the steps of:
  • detecting a vocal utterance;
  • determining at least one linearly variable acoustic characteristic of said vocal utterance; and
  • linearly varying the position of said cursor in response to variations in said at least one acoustic characteristic.


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Forward References: Show 51 U.S. patent(s) that reference this one

       
U.S. References: Go to Result Set: All U.S. references   |  Forward references (51)   |   Backward references (2)   |   Citation Link

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Patent  Pub.Date  Inventor Assignee   Title
Get PDF - 8pp US4799209  1988-10 Stapleford  U.S. Philips Corporation Clamping device for clamping an optical disc onto a drive spindle
Get PDF - 23pp US5068645  1991-11 Drumm  Wang Laboratories, Inc. Computer input device using an orientation sensor
       
Foreign References: None

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