WO2005084249A2 - Optical navigation system for rotary control based non-contact controller - Google Patents

Optical navigation system for rotary control based non-contact controller Download PDF

Info

Publication number
WO2005084249A2
WO2005084249A2 PCT/US2005/006269 US2005006269W WO2005084249A2 WO 2005084249 A2 WO2005084249 A2 WO 2005084249A2 US 2005006269 W US2005006269 W US 2005006269W WO 2005084249 A2 WO2005084249 A2 WO 2005084249A2
Authority
WO
WIPO (PCT)
Prior art keywords
controller
rotatable platter
responsive
optical system
platter
Prior art date
Application number
PCT/US2005/006269
Other languages
French (fr)
Other versions
WO2005084249A3 (en
Inventor
Alan Flum
James Mazur
Original Assignee
Stanton Magnetics, Inc.
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 Stanton Magnetics, Inc. filed Critical Stanton Magnetics, Inc.
Publication of WO2005084249A2 publication Critical patent/WO2005084249A2/en
Publication of WO2005084249A3 publication Critical patent/WO2005084249A3/en

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H1/00—Details of electrophonic musical instruments
    • G10H1/0091—Means for obtaining special acoustic effects
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H2210/00—Aspects or methods of musical processing having intrinsic musical character, i.e. involving musical theory or musical parameters or relying on musical knowledge, as applied in electrophonic musical tools or instruments
    • G10H2210/155—Musical effects
    • G10H2210/195—Modulation effects, i.e. smooth non-discontinuous variations over a time interval, e.g. within a note, melody or musical transition, of any sound parameter, e.g. amplitude, pitch, spectral response, playback speed
    • G10H2210/241—Scratch effects, i.e. emulating playback velocity or pitch manipulation effects normally obtained by a disc-jockey manually rotating a LP record forward and backward
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H2220/00—Input/output interfacing specifically adapted for electrophonic musical tools or instruments
    • G10H2220/155—User input interfaces for electrophonic musical instruments
    • G10H2220/315—User input interfaces for electrophonic musical instruments for joystick-like proportional control of musical input; Videogame input devices used for musical input or control, e.g. gamepad, joysticks

Definitions

  • the invention pertains to a rotary non-contact controller.
  • the invention pertains to an optical navigation system with at least two degrees of freedom.
  • At least a portion of the control wheel includes a flat material with a random pattern design on the surface for providing a reference for the optical sensor.
  • the non-contact controller can be velocity sensitive, motion sensitive, and/or position sensitive in each axis.
  • the resulting output can be via virtually any standard computer connection, particularly connections to a standard personal computer (PC) or similar device. Typical connections include USB, firewire, serial or wireless connection.
  • PC personal computer
  • Typical connections include USB, firewire, serial or wireless connection.
  • Figure 1 is a perspective view, including an exploded view of the optical navigation system, of the underside of the controller of the present invention
  • Figure 2 is a perspective view, including a perspective view of the optical navigation system, of the underside of the controller of the present invention
  • Figure 3 is a close-up perspective view of the controller of the present invention
  • Figure 4 is a perspective view of an alternative embodiment of the present invention wherein the optical navigation system is placed about the periphery of the rotatable platter.
  • controller 10 is shown in perspective in Figures 1 and 2.
  • Shaft 12 is journaled for rotation in concert with circular platter 14.
  • the underside of circular , platter 14 is shown in Figures 1 and 2, so that the view is from below.
  • the interior portion of circular platter 14, proximate to shaft 12, includes portion 16 upon which a random pattern is printed.
  • shaft 12 can be pivoted laterally which provides for at least one, and as many as two additional degrees of freedom.
  • shaft 12 can be pivoted forward and away (sometimes referred to as “up and down”), and may even be additionally pivoted to allow side-to-side motion, which is an additional degree of freedom which can control another variable.
  • Optical navigation system 20 is secured to the base (not shown) and is positioned on the underside side of circular platter 14 about portion 16 to optically acquire sequential surface images (frames) and mathematically determine the direction and magnitude of movement.
  • the optical navigation system 20 includes lens 22 (typically an HDNS-2100), circuit board 24 (which is typically secured to the base 'not shown'), LED 26 (typically an HLMP-ED80-?XXXXX), sensor 28 and clip 30.
  • a typical sensor 28 would the Agilent ADNS- 2051 Optical Mouse Sensor, the Data Sheet of which, dated October 24, 2001, is hereby incorporated by reference, both for the sensor 28 and for other components of optical navigation system 20.
  • the result is communicated to a computer (not shown) or similar digital device via output 32.
  • the output can be based on position, velocity or motion in any of the axes of motion.
  • Figure 3 shows optical navigation system 20 in closer detail.
  • Figure 4 shows an alternative embodiment wherein the rotatable platter 14 includes a circumferential skirt 40 with a printed random pattern, similar to the pattern on portion 16 of rotatable platter 14 shown in Figures 1 and 2.
  • Optical navigation system 20 is positioned to optically acquire sequential surface images from circumferential skirt 40 and mathematically determine the direction and magnitude of movement.
  • the user rotates rotatable platter 14 and further rocks or tilts rotatable platter in any of the additional one or two degrees of fireedom.
  • the position, velocity or motion of rotatable platter 14 is detected by optical navigation system 20 and the resulting signal is transmitted to a computer (not shown) or similar digital device via output 32.

Abstract

The controller of the present invention includes an optical navigation system which is responsive to movement, velocity of position of a rotatable a platter. The optical navigation system is responsive to rotation of the rotatable platter and is further responsive to at least one degree of freedom of tilting of the rotatable platter. The rotatable platter typically includes a textured pattern so that the optical navigation system can acquire sequential surface images of the textured pattern.

Description

OPTICAL NAVIGATION SYSTEM FOR ROTARY CONTROL BASED NON-CONTACT CONTROLLER
BACKGROUND OF THE INVENTION
Field of the Invention The invention pertains to a rotary non-contact controller. In particular, the invention pertains to an optical navigation system with at least two degrees of freedom.
Description of the Prior Art In the prior art, there are many kinds of rotary controller devices. However, it has been difficult to design practical controllers with sufficient size and resolution for certain applications. In addition, it has been difficult to design a rotary controller with at least two degrees of freedom, one rotational, and the other with an axis perpendicular to the axis of rotation. For example, a large rotary control wheel on jog CD players for disc jockey applications generally does not have sufficient resolution and only a single degree of freedom. In addition, contact controller have had substantial maintenance concerns as "contact" of the moving parts inherently causes wear and tear.
OBJECTS AND SUMMARY OF THE INVENTION It is therefore an object of the present invention to provide a controller with at least two degrees of freedom, for the control of at least two independent variables. It is therefore a further object of the present invention to provide a controller which maintains simple and intuitive use for the user. It is therefore a still further object of the present invention to provide a high resolution, high speed, multi-axis controller. It is therefore a still further object of the present invention to provide a controller which, in many respects, can be considered a non-contact controller. These and other objects are attained by the present invention wherein an optical navigation system is provided with a non-contact controller and a rotating control wheel or platter. At least a portion of the control wheel includes a flat material with a random pattern design on the surface for providing a reference for the optical sensor. Of the degrees of freedom of movement of the controller, one is provided by the rotation of the control wheel and at least one other is provided by the orthogonal movement of the control wheel. The non-contact controller can be velocity sensitive, motion sensitive, and/or position sensitive in each axis. The resulting output can be via virtually any standard computer connection, particularly connections to a standard personal computer (PC) or similar device. Typical connections include USB, firewire, serial or wireless connection. The use of the optical navigation system thereby creates a high resolution, high speed, multi-axis controller. A typical application of the controller is for audio or disk jockey type applications.
BRIEF DESCRIPTION OF THE DRAWINGS Further objects and advantages of the invention will become apparent from the following description and from the accompanying drawings, wherein: Figure 1 is a perspective view, including an exploded view of the optical navigation system, of the underside of the controller of the present invention; Figure 2 is a perspective view, including a perspective view of the optical navigation system, of the underside of the controller of the present invention. Figure 3 is a close-up perspective view of the controller of the present invention. Figure 4 is a perspective view of an alternative embodiment of the present invention wherein the optical navigation system is placed about the periphery of the rotatable platter.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Referring now to the drawings in detail wherein like numerals indicate like elements throughout the several views, one sees that controller 10 is shown in perspective in Figures 1 and 2. Shaft 12 is journaled for rotation in concert with circular platter 14. The underside of circular , platter 14 is shown in Figures 1 and 2, so that the view is from below. The interior portion of circular platter 14, proximate to shaft 12, includes portion 16 upon which a random pattern is printed. Additionally, shaft 12 can be pivoted laterally which provides for at least one, and as many as two additional degrees of freedom. Typically, shaft 12 can be pivoted forward and away (sometimes referred to as "up and down"), and may even be additionally pivoted to allow side-to-side motion, which is an additional degree of freedom which can control another variable. Optical navigation system 20 is secured to the base (not shown) and is positioned on the underside side of circular platter 14 about portion 16 to optically acquire sequential surface images (frames) and mathematically determine the direction and magnitude of movement. As shown in Figure 1, the optical navigation system 20 includes lens 22 (typically an HDNS-2100), circuit board 24 (which is typically secured to the base 'not shown'), LED 26 (typically an HLMP-ED80-?XXXXX), sensor 28 and clip 30. A typical sensor 28 would the Agilent ADNS- 2051 Optical Mouse Sensor, the Data Sheet of which, dated October 24, 2001, is hereby incorporated by reference, both for the sensor 28 and for other components of optical navigation system 20. Those skilled in the art will recognize a range of equivalents after review of the present disclosure. After the calculations are performed, the result is communicated to a computer (not shown) or similar digital device via output 32. The output can be based on position, velocity or motion in any of the axes of motion. Figure 3 shows optical navigation system 20 in closer detail. Figure 4 shows an alternative embodiment wherein the rotatable platter 14 includes a circumferential skirt 40 with a printed random pattern, similar to the pattern on portion 16 of rotatable platter 14 shown in Figures 1 and 2. Optical navigation system 20 is positioned to optically acquire sequential surface images from circumferential skirt 40 and mathematically determine the direction and magnitude of movement. To use this controller 10, the user rotates rotatable platter 14 and further rocks or tilts rotatable platter in any of the additional one or two degrees of fireedom. The position, velocity or motion of rotatable platter 14 is detected by optical navigation system 20 and the resulting signal is transmitted to a computer (not shown) or similar digital device via output 32. Thus the several aforementioned objects and advantages are most effectively attained. Although a preferred embodiment of the invention has been disclosed and described in detail herein, it should be understood that this invention is in no sense limited thereby and its scope is to be determined by that of the appended claims.

Claims

CLAIMSWhat is Claimed is:
1. A controller comprising: a rotatable platter journaled for rotation, said rotatable platter having at least one degree of freedom of movement in addition to rotation; an optical system responsive to said rotatable platter; and said optical system including an output responsive to said rotatable platter.
2. The controller of Claim 1 wherein said rotatable platter includes a textured pattern whereby said optical system acquires sequential surface images of said textured pattern.
3. The controller of Claim 2 wherein said optical system is responsive to rotational movement of said rotatable platter.
4. The controller of Claim 2 wherein said optical system is responsive to rotational velocity of said rotatable platter.
5. The controller of Claim 2 wherein said optical system is responsive to rotational position of said rotatable platter.
6. The controller of Claim 1 wherein said at least one degree of freedom of movement comprises one degree of freedom of movement.
7. The controller of Claim 6 wherein said one degree of freedom comprises tilting of said rotatable platter.
8. The controller of Claim 7 wherein said optical system is responsive to tilting movement of said rotatable platter.
9. The controller of Claim 7 wherein said optical system is responsive to tilting velocity of said rotatable platter.
10. The controller of Claim 7 wherein said optical system is responsive to tilting position of said rotatable platter.
11. The controller of Claim 1 wherein said at least one degree of freedom of movement comprises two degrees of freedom of movement.
12. The controller of Claim 11 wherein said two degrees of freedom comprise tilting of said rotatable platter in directions orthogonal to each other.
13. The controller of Claim 12 wherein said optical system is responsive to tilting movement of said rotatable platter.
14. The controller of Claim 12 wherein said optical system is responsive to tilting velocity of said rotatable platter.
15. The controller of Claim 12 wherein said optical system is responsive to tilting position of said rotatable platter.
16. The controller of Claim 1 wherein said rotatable platter includes a circumferential skirt with a textured pattern whereby said optical system acquires sequential surface images of said textured pattern.
PCT/US2005/006269 2004-03-01 2005-02-25 Optical navigation system for rotary control based non-contact controller WO2005084249A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/790,441 US7763843B2 (en) 2004-03-01 2004-03-01 Optical navigation system for rotary control based non-contact controller
US10/790,441 2004-03-01

Publications (2)

Publication Number Publication Date
WO2005084249A2 true WO2005084249A2 (en) 2005-09-15
WO2005084249A3 WO2005084249A3 (en) 2009-05-14

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PCT/US2005/006269 WO2005084249A2 (en) 2004-03-01 2005-02-25 Optical navigation system for rotary control based non-contact controller

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US (1) US7763843B2 (en)
TW (1) TW200632872A (en)
WO (1) WO2005084249A2 (en)

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US8729375B1 (en) * 2013-06-24 2014-05-20 Synth Table Partners Platter based electronic musical instrument
US10444858B2 (en) * 2015-04-17 2019-10-15 Pixart Imaging Inc. Cursor controller and two-dimensional navigation module thereof
US10593313B1 (en) 2019-02-14 2020-03-17 Peter Bacigalupo Platter based electronic musical instrument

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US6642506B1 (en) * 2000-06-01 2003-11-04 Mitutoyo Corporation Speckle-image-based optical position transducer having improved mounting and directional sensitivities
US20020021450A1 (en) * 2000-07-10 2002-02-21 Mitutoyo Corporation Light spot position sensor and displacement measuring device
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Also Published As

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US20050195698A1 (en) 2005-09-08
US7763843B2 (en) 2010-07-27
TW200632872A (en) 2006-09-16
WO2005084249A3 (en) 2009-05-14

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