Control knob with control modes and force feedback
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G09G-005/00
G09G-005/08
출원번호
US-0680408
(2000-10-02)
발명자
/ 주소
Levin, Michael D.
Martin, Kenneth M.
Schena, Bruce M.
Braun, Adam C.
Rosenberg, Louis B.
출원인 / 주소
Immersion Corporation
대리인 / 주소
Kilpatrick Stockton LLP
인용정보
피인용 횟수 :
120인용 특허 :
216
초록▼
The present invention provides a control knob on a device that allows a user to control functions of the device. In one embodiment, the knob is rotatable in a rotary degree of freedom and moveable in at least one transverse direction approximately perpendicular to the axis. An actuator is coupled to
The present invention provides a control knob on a device that allows a user to control functions of the device. In one embodiment, the knob is rotatable in a rotary degree of freedom and moveable in at least one transverse direction approximately perpendicular to the axis. An actuator is coupled to the knob to output a force in the rotary degree of freedom about the axis, thus providing force feedback. In a different embodiment, the knob is provided with force feedback in a rotary degree of freedom about an axis and is also moveable in a linear degree of freedom approximately parallel to the axis, allowing the knob to be pushed and/or pulled by the user. The device controlled by the knob can be a variety of types of devices, such as an audio device, video device, etc. The device can also include a display providing an image updated in response to manipulation of the knob. Detent forces can be provided for the knob by overlapping and adjusting ranges of closely-spaced detents in the rotary degree of freedom of the knob.
대표청구항▼
The present invention provides a control knob on a device that allows a user to control functions of the device. In one embodiment, the knob is rotatable in a rotary degree of freedom and moveable in at least one transverse direction approximately perpendicular to the axis. An actuator is coupled to
The present invention provides a control knob on a device that allows a user to control functions of the device. In one embodiment, the knob is rotatable in a rotary degree of freedom and moveable in at least one transverse direction approximately perpendicular to the axis. An actuator is coupled to the knob to output a force in the rotary degree of freedom about the axis, thus providing force feedback. In a different embodiment, the knob is provided with force feedback in a rotary degree of freedom about an axis and is also moveable in a linear degree of freedom approximately parallel to the axis, allowing the knob to be pushed and/or pulled by the user. The device controlled by the knob can be a variety of types of devices, such as an audio device, video device, etc. The device can also include a display providing an image updated in response to manipulation of the knob. Detent forces can be provided for the knob by overlapping and adjusting ranges of closely-spaced detents in the rotary degree of freedom of the knob. characterized in that within an pressing area elastic properties of the second structural entity are substantially uniform and said first and second structural entities are kept apart from each other solely through the dome-like members, and said first and second structural entities are arranged to move with respect to each other so that under the influence of a force pressing them towards each other, the actuator moves towards the dome-like member. rth NMISTFT being connected to said output terminal of said level converter circuit. 3. A display device according to claim 2, wherein said electrooptical material layer is a liquid crystal material layer. 4. A display device according to claim 1, further comprising a plurality of series combinations of a fourth PMISTFT and a fourth NMISTFT, wherein said plurality of series combination are cascaded in a plurality of stages, a first terminal of said fourth PMISTFT of each of said plurality of series combinations is coupled to said high-voltage power supply line, a second terminal of said fourth NMISTFT of each of said plurality of series combinations is coupled to said low-voltage power supply line, gate terminals of said fourth PMISTFT and said fourth NMISTFT in a first one of said plurality of stages counting from said first junction point are coupled to said first junction point, gate terminals of said fourth PMISTFT and said fourth NMISTFT in said plurality of stages excluding said first stage are coupled to junction points between a second terminal of said fourth PMISTFT and a first terminal of said fourth NMISTFT of immediately preceding ones of said plurality of stages, and a second junction point between a second terminal of said fourth PMISTFT and a first terminal of said fourth NMISTFT in a final one of said plurality of stages being connected to said output terminal of said level converter circuit. 5. A display device according to claim 4, wherein said electrooptical material layer is a liquid crystal material layer. 6. A display device according to claim 1, wherein at least one of said first NMISTFT, said first PMISTFT, said second NMISTFT and said second PMISTFT is substituted by one of a diode and a series combination of a diode and a resistor. 7. A display device according to claim 6, wherein said electrooptical material layer is a liquid crystal material layer. 8. A display device according to claim 1, wherein said electrooptical material layer is a liquid crystal material layer. 9. A display device including a pair of substrates, an electrooptical material layer sandwiched between said pair of substrates, a plurality of pixels formed between said pair of substrates and a driver circuit for driving said plurality of pixels provided on one of said pair of substrates, said driver circuit including a level converter circuit comprised of MISTFTs (Metal Insulator Semiconductor Thin Film Transistors) having semiconductor layers made of polysilicon, said level converter circuit having a plurality of stages arranged in series, each of said plurality of stages comprising: a pair of a first NMISTFT (N-channel type Metal Insulator Semiconductor Thin Film Transistor) and a first PMISTFT (P-channel type Metal Insulator Semiconductor Thin Film Transistor), each of said first NMISTFT and said first PMISTFT having both a gate terminal thereof and a first terminal thereof coupled to an input terminal for receiving an input pulse via a first capacitance; a pair of a second NMISTFT and a second PMISTFT, each of said second NMISTFT and said second PMISTFT having a second terminal thereof coupled to said input terminal via a second capacitance; a third PMISTFT having a gate terminal thereof coupled to said gate terminals and said first terminals of said first NMISTFT and said first PMISTFT; a third NMISTFT having a gate terminal thereof coupled to said second terminals of said second NMISTFT and said second PMISTFT, a first terminal of said third PMISTFT, a second terminal of said first NMISTFT, and a second terminal of said first PMISTFT being coupled to a high-voltage power supply line, a second terminal of said third NMISTFT, a gate terminal and a first terminal of said second NMISTFT, a gate terminal and a first terminal of said second PMISTFT being coupled to a low-voltage power supply line, and a first junction point between a second terminal of said third PMISTFT and a first terminal of said third NMI STFT being connected to an output terminal. 10. A display device according to claim 9, further comprising at least one stage of a circuit including a fourth PMISTFT and a fourth NMISTFT, wherein said at least one stage of said circuit is coupled between successive ones of said plurality of stages, gate terminals of said fourth PMISTFT and said fourth NMISTFT are connected to an input terminal of said circuit, one terminal of said fourth PMISTFT and one terminal of said fourth NMISTFT are connected to an output terminal of said circuit, another terminal of said fourth PMISTFT is coupled to said high-voltage power supply line, and another terminal of said fourth NMISTFT is coupled to said low-voltage power supply line. 11. A display device according to claim 10, further comprising at least one stage of a circuit including a fifth PMISTFT and a fifth NMISTFT, wherein said at least one stage of said circuit is coupled to a final one of said plurality of stages, gate terminals of said fifth PMISTFT and said fifth NMISTFT are connected to an input terminal of said circuit, one terminal of said fifth PMISTFT and one terminal of said fifth NMISTFT are connected to an output terminal of said circuit, another terminal of said fifth PMISTFT is coupled to said high-voltage power supply line, and another terminal of said fifth NMISTFT is coupled to said low-voltage power supply line. 12. A display device according to claim 11, wherein said electrooptical material layer is a liquid crystal material layer. 13. A display device according to claim 10, wherein said electrooptical material layer is a liquid crystal material layer. 14. A display device according to claim 9, further comprising at least one stage of a circuit including a fourth PMISTFT and a fourth NMISTFT, wherein said at least one stage of said circuit is coupled to a final one of said plurality of stages, gate terminals of said fourth PMISTFT and said fourth NMISTFT are connected to an input terminal of said circuit, one terminal of said fourth PMISTFT and one terminal of said fourth NMISTFT are connected to an output terminal of said circuit, another terminal of said fourth PMISTFT is coupled to said high-voltage power supply line, and another terminal of said fourth NMISTFT is coupled to said low-voltage power supply line. 15. A display device according to claim 14, wherein said electrooptical material layer is a liquid crystal material layer. 16. A display device according to claim 9, wherein at least one of said first NMISTFT, said first PMISTFT, said second NMISTFT and said second PMISTFT is substituted by one of a diode and a series combination of a diode and a resistor. 17. A display device according to claim 16, wherein said electrooptical material layer is a liquid crystal material layer. 18. A display device according to claim 9, wherein said electrooptical material layer is a liquid crystal material layer. 19. A display device including a pair of substrates, an electrooptical material layer sandwiched between said pair of substrates, a plurality of pixels formed between said pair of substrates and a driver circuit for driving said plurality of pixels provided on one of said pair of substrates, said driver circuit including a level converter circuit comprised of MISTFTs (Metal Insulator Semiconductor Thin Film Transistors) of a same conductivity type and having semiconductor layers made of polysilicon, said level converter circuit comprising a first MISTFT, a second MISTFT, and a third MISTFT, first terminals of said first MISTFT and said second MISTFT being coupled to an input terminal for receiving an input pulse, gate terminals of said first MISTFT and said second MISTFT being coupled to a fixed-voltage power supply line, a second terminal of said first MISTFT being coupled to a gate terminal of said third MISTFT and a first terminal of a capacitor, a second terminal of said third MISTFT being coupled to a high-voltage power supp ly line, a first terminal of said third MISTFT being coupled to a second terminal of said second MISTFT, and a junction point of said second terminal of said second MISTFT, said first terminal of said third MISTFT, and a second terminal of said capacitor being connected to an output terminal of said level converter circuit. 20. A display device according to claim 19, wherein said gate terminal of said first MISTFT is coupled to said fixed-voltage power supply line via a resistor, and is also coupled to said input terminal via a capacitor. 21. A display device according to claim 20, wherein said electrooptical material layer is a liquid crystal material layer. 22. A display device according to claim 19, wherein said electrooptical material layer is a liquid crystal material layer. 23. A display device including a pair of substrates, an electrooptical material layer sandwiched between said pair of substrates, a plurality of pixels formed between said pair of substrates and a driver circuit for driving said plurality of pixels provided on one of said pair of substrates, said driver circuit including a level converter circuit comprised of MISTFTs (Metal Insulator Semiconductor Thin Film Transistors) of a same conductivity type and having semiconductor layers made of polysilicon, said level converter circuit comprising a first MISTFT, a second MISTFT, and a third MISTFT, first terminals of said first MISTFT and said second MISTFT being coupled to an input terminal for receiving an input pulse, a gate terminal of said first MISTFT being coupled to a fixed-voltage power supply line, a gate terminal of said second MISTFT being supplied with a pulse equal in magnitude and opposite in phase with respect to said input pulse, a second terminal of said first MISTFT being coupled to a gate terminal of said third MISTFT and a first terminal of a capacitor, a first terminal of said third MISTFT being coupled to a high-voltage power supply line, and a junction point of a second terminal of said second MISTFT, a second terminal of said third MISTFT, and a second terminal of said capacitor being connected to an output terminal of said level converter circuit. 24. A display device according to claim 23, wherein said gate terminal of said first MISTFT is coupled to said fixed-voltage power supply line via a resistor, and is also coupled to said input terminal via a capacitor. 25. A display device according to claim 24, wherein said electrooptical material layer is a liquid crystal material layer. 26. A display device according to claim 23, wherein said electrooptical material layer is a liquid crystal material layer. 27. A display device including a pair of substrates, an electrooptical material layer sandwiched between said pair of substrates, a plurality of pixels formed between said pair of substrates and a driver circuit for driving said plurality of pixels provided on one of said pair of substrates, said driver circuit including a level converter circuit comprised of MISTFTs (Metal Insulator Semiconductor Thin Film Transistors) of a same conductivity type and having semiconductor layers made of polysilicon, said level converter circuit having a plurality of stages arranged in series, each of said plurality of stages comprising: a first MISTFT, a second MISTFT, and a third MISTFT, first terminals of said first MISTFT and said second MISTFT being coupled to an input terminal for receiving an input pulse, a gate terminal of said first MISTFT being coupled to a fixed-voltage power supply line, a gate terminal of said second MISTFT being supplied with a pulse equal in magnitude and opposite in phase with respect to said input pulse, a second terminal of said first MISTFT being coupled to a gate terminal of said third MISTFT and a first terminal of a capacitor, a first terminal of said third MISTFT being coupled to a high-voltage power supply line, and a junction point of a second terminal of said second MISTFT, a second
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