IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0237911
(2005-09-29)
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등록번호 |
US-7439997
(2008-10-21)
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발명자
/ 주소 |
|
출원인 / 주소 |
- Hewlett Packard Development Company, L.P.
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인용정보 |
피인용 횟수 :
2 인용 특허 :
5 |
초록
▼
A multi-function digital media drive, has an optical pickup unit (OPU) configured to read data from or write data to a data layer of a digital medium, the OPU being associated with an OPU sled arrangement; an optical print head (OPH) configured to write to a labeling layer, the OPH being associated
A multi-function digital media drive, has an optical pickup unit (OPU) configured to read data from or write data to a data layer of a digital medium, the OPU being associated with an OPU sled arrangement; an optical print head (OPH) configured to write to a labeling layer, the OPH being associated with an OPH sled arrangement, the OPU and the OPH being positioned on opposite sides of the digital medium; a motor; and a drive train configured to selectively supply motivating rotational energy from the motor to at least one of the OPU sled arrangement and the OPH sled arrangement.
대표청구항
▼
What is claimed is: 1. A multi-function digital media drive, comprising: an optical pickup unit (OPU) configured to read data from or write data to a data layer of a digital medium, the OPU being associated with an OPU sled arrangement; an optical print head (OPH) configured to form visible marks o
What is claimed is: 1. A multi-function digital media drive, comprising: an optical pickup unit (OPU) configured to read data from or write data to a data layer of a digital medium, the OPU being associated with an OPU sled arrangement; an optical print head (OPH) configured to form visible marks on a labeling layer, the OPH being associated with an OPH sled arrangement, the OPU and the OPH being positioned on opposite sides of the digital medium; a motor; and a drive train configured to selectively supply motivating rotational energy from the motor to at least one of the OPU sled arrangement and the OPH sled arrangement, wherein the drive train includes at least one clutch arrangement which enables the motor to be selectively coupled to the at least one of the OPU sled arrangement and the OPH sled arrangement, the clutch arrangement further comprising: a solenoid; an armature movable by application of energy to the solenoid; an axially immovable output shaft splined to the armature; a bistable mechanism coupled to the armature and positionable in one of the stable positions upon the application of energy to the solenoid. 2. The digital media drive according to claim 1, further comprising: a controller adapted to selectively engage at least one of the OPU sled arrangement and the OPH sled arrangement with the motor. 3. The digital media drive according to claim 2, wherein the controller is adapted to engage the OPH sled arrangement with the motor when a label is to be written to the labeling layer of the digital medium. 4. The digital media drive according to claim 1, further comprising: a controller adapted to simultaneously engage both the OPU sled arrangement and the OPH sled arrangement with the motor. 5. A method of controlling a multi-function digital media device, comprising: providing a single motor; selectively providing drive from the motor to at least one of an optical pickup unit (OPU) sled arrangement associated with a first energy source configured to apply energy to one side of a medium and an optical print head (OPH) sled arrangement associated with a second energy source configured to apply energy to an opposite side of the medium; connecting one of the sled arrangements directly to the motor; and driving the other of the sled arrangements via a clutch which selectively connects the motor and the one of the sled arrangements. 6. The method of claim 5, wherein drive is simultaneously provided to both of the sled arrangements. 7. The method of claim 5, wherein the energy applied to the one side of the medium reads digital data from or writes digital data to the medium, and wherein the energy applied to the other side of the medium forms visible markings on the medium. 8. The method of claim 5, wherein drive is selective provided based on instructions received by the device, the instructions indicative of at least one of labeling data, write data, or data to be read. 9. The method of claim 8, wherein drive is provided to the OPU sled arrangement if the instructions are indicative of write data or data to be read, and wherein drive is provided to the OPH sled arrangement if the instructions are indicative of labeling data. 10. The method according to claim 5, further comprising: connecting the OPU sled arrangement to the motor via an OPU sled clutch; and connecting the OPH sled arrangement to the motor via an OPH sled clutch. 11. A multi-function digital media drive, comprising: an optical pickup unit (OPU) configured to read data from or write data to a data layer of a digital medium, the OPU being associated with an OPU sled arrangement; an optical print head (OPH) configured to form visible marks on a labeling layer, the OPH being associated with an OPH sled arrangement, the OPU and the OPH being positioned on opposite sides of the digital medium; a motor; and a drive train configured to selectively supply motivating rotational energy from the motor to at least one of the OPU sled arrangement and the OPH sled arrangement, wherein the drive train comprises a central gear which is in constant drive connection with the motor, the central gear arrangement being coupled to the OPU sled arrangement and the OPH sled arrangement though first and second clutch arrangements. 12. The digital media drive according to claim 11, wherein the first and second clutches are interconnected by a mechanical link that is configured to induce a change in an engagement status of the first clutch in response to a change in the engagement status of the second clutch and vice versa. 13. The digital media drive according to claim 11, further comprising: a controller adapted to selectively engage at least one of the OPU sled arrangement and the OPH sled arrangement with the motor. 14. The digital media drive according to claim 11, further comprising: a controller adapted to simultaneously engage both the OPU sled arrangement and the OPH sled arrangement with the motor. 15. The digital media drive according to claim 14, wherein the controller is adapted to engage the OPH sled arrangement with the motor when a label is to be written to the labeling layer of the digital medium. 16. A multi-function digital media drive, comprising: an optical pickup unit (OPU) configured to read data from or write data to a data layer of a digital medium, the OPU being associated with an OPU sled arrangement; an optical print head (OPH) configured to form visible marks on a labeling layer, the OPH being associated with an OPH sled arrangement, the OPU and the OPH being positioned on opposite sides of the digital medium; a motor; and a drive train configured to selectively supply motivating rotational energy from the motor to at least one of the OPU sled arrangement and the OPH sled arrangement, wherein the drive train includes at least one clutch arrangement which enables the motor to be selectively coupled to the at least one of the OPU sled arrangement and the OPH sled arrangement, the clutch arrangement further comprising: a solenoid; an armature movable by application of energy to the solenoid; an axially immovable output shaft splined to the armature; a bistable mechanism coupled to the armature and positionable in one of the stable positions upon the application of energy to the solenoid; a pair of selectively engageable clutch plates; and protrusions disposed on the clutch plates that are configured to interlock during engagement. 17. The digital media drive according to claim 16, further comprising: a controller adapted to selectively engage at least one of the OPU sled arrangement and the OPH sled arrangement with the motor. 18. The digital media drive according to claim 16, further comprising: a controller adapted to simultaneously engage both the OPU sled arrangement and the OPH sled arrangement with the motor. 19. The digital media drive according to claim 18, wherein the controller is adapted to engage the OPH sled arrangement with the motor when a label is to be written to the labeling layer of the digital medium. 20. A multi-function digital media drive, comprising: an optical pickup unit (OPU) configured to read data from or write data to a data layer of a digital medium, the OPU being associated with an OPU sled arrangement; an optical print head (OPH) configured to form visible marks on a labeling layer, the OPH being associated with an OPH sled arrangement, the OPU and the OPH being positioned on opposite sides of the digital medium; a motor; and a drive train configured to selectively supply motivating rotational energy from the motor to at least one of the OPU sled arrangement and the OPH sled arrangement, wherein the drive train comprises: a constant drive connection between one of the sled arrangements and the motor, and a clutch arrangement which enables the motor to be selectively coupled to the other of the sled arrangements. 21. The digital media drive according to claim 20, further comprising: a controller adapted to selectively engage at least one of the OPU sled arrangement and the OPH sled arrangement with the motor. 22. The digital media drive according to claim 20, further comprising: a controller adapted to simultaneously engage both the OPU sled arrangement and the OPH sled arrangement with the motor. 23. The digital media drive according to claim 22, wherein the controller is adapted to engage the OPH sled arrangement with the motor when a label is to be written to the labeling layer of the digital medium.
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