User input passive device for use with an interactive display device
A user input passive device for interaction with a touchscreen of an interactive display device includes a housing including: a conductive shell and a non-conductive supporting surface coupled to the conductive shell. The user input further includes an impedance circuit having a desired impedance at a desired frequency, a first conductive plate mounted on the non-conductive supporting surface, electrically isolated from the conductive shell, and a second conductive plate mounted on the non-conductive supporting surface, electrically isolated from the conductive shell and the first conductive plate. The first terminal of the impedance circuit is coupled to the first conductive plate and a second terminal of the impedance circuit is coupled to the second conductive plate. When the user input passive device is used with the touchscreen, a perimeter of the conductive shell, and the first and second conductive plates are in close proximity to an interactive surface of the touchscreen.
1. A user input passive device for interaction with a touchscreen of an interactive display device, the user input passive device comprises:
a housing that includes:
a conductive shell;
a non-conductive supporting surface coupled to the conductive shell;
an impedance circuit having a desired impedance at a desired frequency;
a first conductive plate mounted on the non-conductive supporting surface and electrically isolated from the conductive shell; and
a second conductive plate mounted on the non-conductive supporting surface and electrically isolated from the conductive shell and from the first conductive plate, wherein a first terminal of the impedance circuit is coupled to the first conductive plate and a second terminal of the impedance circuit is coupled to the second conductive plate, wherein, when the user input passive device is used with the touchscreen, a perimeter of the conductive shell is in close proximity to an interactive surface of the touchscreen and wherein the first and second conductive plates are in close proximity to the interactive surface of the touchscreen.
2. The user input passive device of claim 1 , wherein the impedance circuit comprises:
an inductor; and
a capacitor coupled to the inductor in series, wherein the series coupling of the inductor and the capacitor resonant at the desired frequency.
3. The user input passive device of claim 1 , wherein the impedance circuit comprises:
an inductor; and
a capacitor coupled to the inductor in parallel, wherein the parallel coupling of the inductor and the capacitor resonant at the desired frequency.
4. The user input passive device of claim 1 , wherein the impedance circuit comprises one or more resistors.
5. The user input passive device of claim 1 , wherein the impedance circuit comprises one or more capacitors.
6. The user input passive device of claim 1 , wherein the impedance circuit comprises one or more inductors.
7. The user input passive device of claim 1 further comprises:
a second impedance circuit having the desired impedance at a second desired frequency;
a third conductive plate mounted on the non-conductive supporting surface and electrically isolated from the conductive shell, from the first conductive plate, and the second conductive plate; and
a fourth conductive plate mounted on the non-conductive supporting surface and electrically isolated from the conductive shell, from the first conductive plate, from the second conductive plate, and from the third conductive plate, wherein a first terminal of the second impedance circuit is coupled to the third conductive plate and a second terminal of the second impedance circuit is coupled to the fourth conductive plate, wherein, when the user input passive device is used with the touchscreen, the third and fourth conductive plates are in close proximity to the interactive surface of the touchscreen.
8. The user input passive device of claim 7 further comprises:
the first and second conductive plates being positioned within a first area of the non-conductive supporting surface; and
the third and fourth conductive plates being positioned within a second area of the non-conductive supporting surface, wherein the first and second areas provide orientation information regarding positioning of the user input passive device on the interactive surface of the touchscreen.
9. The user input passive device of claim 7 further comprises:
a third impedance circuit having the desired impedance at a third desired frequency;
a fifth conductive plate mounted on the non-conductive supporting surface and electrically isolated from the conductive shell, from the first conductive plate, and the second conductive plate; and
a sixth conductive plate mounted on the non-conductive supporting surface and electrically isolated from the conductive shell, from the first conductive plate, from the second conductive plate, from the third conductive plate, from the fourth conductive plate, and from the fifth conductive plate, wherein a first terminal of the third impedance circuit is coupled to the fifth conductive plate and a second terminal of the third impedance circuit is coupled to the sixth conductive plate, wherein, when the user input passive device is used with the touchscreen, the fifth and sixth conductive plates are in in close proximity to the interactive surface of the touchscreen.
10. The user input passive device of claim 1 , wherein the housing comprises:
an outer shape corresponding to at least one of:
a computer mouse;
a game piece;
a cup;
a utensil;
a plate; and
a coaster.
11. A user input passive device for interaction with a touchscreen of an interactive display device, the user input passive device comprises:
a housing that includes:
a conductive shell;
a non-conductive supporting surface coupled to the conductive shell;
a switch mechanism mounted on the housing;
an impedance circuit having a first desired impedance at a desired frequency when the switch mechanism is in a first state and having a second desired impedance at the desired frequency when the switch mechanism is in a second state;
a first conductive plate mounted on the non-conductive supporting surface and electrically isolated from the conductive shell; and
a second conductive plate mounted on the non-conductive supporting surface and electrically isolated from the conductive shell and from the first conductive plate, wherein a first terminal of the impedance circuit is coupled to the first conductive plate and a second terminal of the impedance circuit is coupled to the second conductive plate, wherein, when the user input passive device is used with the touchscreen, a perimeter of the conductive shell is in close proximity to an interactive surface of the touchscreen and wherein the first and second conductive plates are in close proximity to the interactive surface of the touchscreen.
12. The user input passive device of claim 11 , wherein the impedance circuit comprises:
an inductor; and
a capacitor coupled to the inductor in series, wherein the series coupling of the inductor and the capacitor resonant at the desired frequency.
13. The user input passive device of claim 11 , wherein the impedance circuit comprises:
an inductor; and
a capacitor coupled to the inductor in parallel, wherein the parallel coupling of the inductor and the capacitor resonant at the desired frequency.
14. The user input passive device of claim 11 , wherein the impedance circuit comprises one or more resistors.
15. The user input passive device of claim 11 , wherein the impedance circuit comprises one or more capacitors.
16. The user input passive device of claim 11 , wherein the impedance circuit comprises one or more inductors.
17. The user input passive device of claim 11 further comprises:
a second switch mechanism mounted on the housing;
a second impedance circuit having a third desired impedance at a second desired frequency when the switch mechanism is in a third state and having a fourth desired impedance at the second desired frequency when the second switch mechanism is in a fourth state;
a third conductive plate mounted on the non-conductive supporting surface and electrically isolated from the conductive shell, from the first conductive plate, and the second conductive plate; and
a fourth conductive plate mounted on the non-conductive supporting surface and electrically isolated from the conductive shell, from the first conductive plate, from the second conductive plate, and from the third conductive plate, wherein a first terminal of the second impedance circuit is coupled to the third conductive plate and a second terminal of the second impedance circuit is coupled to the fourth conductive plate, wherein, when the user input passive device is used with the touchscreen, the third and fourth conductive plates are in in close proximity to the interactive surface of the touchscreen.
18. The user input passive device of claim 17 further comprises:
the first and second conductive plates being positioned within a first area of the non-conductive supporting surface; and
the third and fourth conductive plates being positioned within a second area of the non-conductive supporting surface, wherein the first and second areas provide orientation information regarding positioning of the user input passive device on the interactive surface of the touchscreen.
19. The user input passive device of claim 11 , wherein the housing comprises:
an outer shape corresponding to at least one of:
a computer mouse;
a game piece;
a cup;
a utensil;
a plate; and
a coaster.