IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0792279
(2004-03-04)
|
등록번호 |
US-7369115
(2008-05-06)
|
발명자
/ 주소 |
- Cruz Hernandez,Juan Manuel
- Grant,Danny
- Hayward,Vincent
|
출원인 / 주소 |
|
대리인 / 주소 |
Thelen Reid Brown Raysman & Steiner LLP
|
인용정보 |
피인용 횟수 :
99 인용 특허 :
151 |
초록
▼
An apparatus comprises a signal source, a driver and an electro-mechanical transducer. The signal source is configured to output a haptic feedback signal. The driver is configured to receive the haptic feedback signal and output a drive signal. The electro-mechanical transducer is configured to rece
An apparatus comprises a signal source, a driver and an electro-mechanical transducer. The signal source is configured to output a haptic feedback signal. The driver is configured to receive the haptic feedback signal and output a drive signal. The electro-mechanical transducer is configured to receive the drive signal. The electro-mechanical transducer is configured to have a set of operational modes. Each operational mode from the set of operational modes has at least one resonant mode from a set of resonant modes.
대표청구항
▼
What is claimed is: 1. A method, comprising: receiving a drive signal associated with a haptic feedback signal, the drive signal having operating at a predetermined drive frequency; and applying the drive signal to an electro-mechanical transducer to cause the transducer to produce a haptic effect,
What is claimed is: 1. A method, comprising: receiving a drive signal associated with a haptic feedback signal, the drive signal having operating at a predetermined drive frequency; and applying the drive signal to an electro-mechanical transducer to cause the transducer to produce a haptic effect, the electro-mechanical transducer operating in at least one resonant mode from a plurality of resonant modes in response to the predetermined drive frequency of the drive signal. 2. The method of claim 1, the electro-mechanical transducer being a first electro-mechanical device, the method further comprising: applying the drive signal to a second electro-mechanical device different from the first electro-mechanical device, the first electro-mechanical device and the second electro-mechanical device collectively operating in one operational mode from a plurality of operational modes in response to the drive signal for the first electro-mechanical device and the drive signal for the second electro-mechanical device. 3. The method of claim 1, the electro-mechanical transducer being a first electro-mechanical device, the method further comprising: applying the drive signal to a second electro-mechanical device different from the first electro-mechanical device, the first electro-mechanical device and the second electro-mechanical device collectively operating in one operational mode from a plurality of operational modes in response to the drive signal for the first electro-mechanical device and the drive signal for the second electro-mechanical device, the plurality of operational modes including a first operational mode and a second operational mode; and changing from the first operational mode to the second operational mode, at least one the resonant mode of first electro-mechanical device and the resonant mode of the second electro-mechanical device for the first operational mode differing for the second operational mode. 4. The method of claim 1, the electro-mechanical transducer being a first electro-mechanical device, further comprising: applying the drive signal to a second electro-mechanical device different from the first electro-mechanical device, the first electro-mechanical device and the second electro-mechanical device collectively operating in one operational mode from a plurality of operational modes in response to the drive signal for the first electro-mechanical device and the drive signal for the second electro-mechanical device, the first operational mode being associated with the applying the drive signal to the first electro-mechanical device when the drive signal to the second electro-mechanical device is not applied, the second operational mode being associated with the applying the drive signal to the second electro-mechanical device when the drive signal to the first electro-mechanical device is not applied. 5. A method, comprising: receiving a drive signal; applying the drive signal to a first electro-mechanical transducer, the electro-mechanical transducer having a plurality of operational modes in response to the drive signal, each operational mode from the plurality of operational modes having its own combination of at least one resonant mode from a plurality of resonant modes; applying the drive signal to a second electro-mechanical device different from the first electro-mechanical device, the second electro-mechanical device and the first electro-mechanical device collectively having the plurality of operational modes, the plurality of operational modes including a first operational mode and a second operational mode; and changing from the first operational mode to the second operational mode by altering a characteristic of the drive signal. 6. The method of claim 5, the electro-mechanical transducer being a first electro-mechanical device, the plurality of operational modes including a first operational mode and a second operational mode, the drive signal being associated with the first operational mode, the method further comprising: applying the drive signal to a second electro-mechanical device different from the first electro-mechanical device, the second electro-mechanical device and the first electro-mechanical device collectively having the plurality of operational modes. 7. The method of claim 5, the plurality of operational modes including a first operational mode and a second operational mode, the drive signal being associated with the first operational mode, the method further comprising: changing from the first operational mode to the second operational mode by altering a characteristic of the drive signal. 8. An apparatus, comprising: a signal source, the signal source being configured to output a haptic feedback signal; a driver, the driver being configured to receive the haptic feedback signal and output a drive signal having a predetermined drive frequency; and an electro-mechanical transducer being configured to receive the drive signal, the electro-mechanical transducer being operative in a plurality of operational modes, each operational mode from the plurality of operational modes having at least one resonant mode from a plurality of resonant modes, wherein the electro-mechanical transducer outputs a haptic effect in the at least one resonant mode in response to the predetermined drive frequency. 9. The apparatus of claim 8, wherein the electro-mechanical transducer is a piezoelectric transducer. 10. The apparatus of claim 8, wherein the electro-mechanical transducer is an electro-active polymer. 11. The apparatus of claim 8, the electro-mechanical transducer being a first electro-mechanical device, the apparatus further comprising: a second electro-mechanical device different from the first electro-mechanical device, the second electro-mechanical device being configured to receive the drive signal, the plurality of operational modes being associated with the first electro-mechanical transducer and the second electro-mechanical transducer collectively. 12. A handheld communication device comprising: a cantilevered transducer being configured to receive a drive signal, the cantilevered transducer being operative in a plurality of operational modes, each operational mode from the plurality of operational modes having at least one resonant mode from a plurality of resonant modes, wherein the electro-mechanical transducer outputs a haptic effect in the at least one resonant mode in response to the predetermined drive frequency. 13. A method of producing a haptic effect in a handheld communication device, the method comprising: providing a cantilevered transducer having a first fixed end and a second end which is flexibly moveable with respect to the first fixed end, the transducer having a mass fixed thereon a predetermined length from the first end; receiving a drive signal associated with a haptic feedback signal, the drive signal having operating at a drive frequency; and applying the drive signal to the transducer to produce a haptic effect, the electro-mechanical transducer operating in at least one resonant mode from a plurality of resonant modes in response to the drive frequency of the drive signal.
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