TW201941188A - Optical Disc Driver system - Google Patents

Abstract

An Optical Disc Drive (ODD) system, including: a Universal Series Bus (USB) interface circuit, wherein the USB interface circuit coupled between an ODD and a USB port is arranged to control an operation of the ODD, wherein when the ODD system fits a first condition, the USB interface controls the ODD to enter a sleep node from a normal via a control signal.

Description

CD player system

The invention relates to an optical disc drive system, in particular to an optical disc drive system that can selectively enter a sleep mode to achieve power saving effects.

The optical disc drive (ODD) currently on the market does not have a mechanism to turn off the power and enter the power saving mode in the standby mode. Therefore, for a personal electronic device equipped with an optical disc drive, In other words, any action is performed on an optical disc placed in the optical disc drive, and the optical disc drive continues to consume power, so the power saving and environmental protection effects cannot be effectively achieved.

An object of the present invention is to provide an optical disc drive system to solve the above problems, wherein the optical disc drive system can selectively enter a sleep mode to achieve power saving effect.

According to an embodiment of the present invention, an optical disc drive system is disclosed, which includes: a universal serial bus (Universal Series Bus, USB) interface circuit, wherein the universal serial bus interface circuit is coupled to an optical disc drive and a universal sequence Between the bus ports, and the universal serial bus interface circuit is used to control an operation of the optical disc drive; wherein when the optical disc drive system meets a first condition, the universal serial bus interface circuit is controlled by a control signal The optical disc drive enters a sleep mode from a normal operation mode.

According to an embodiment of the present invention, an optical disc drive system is disclosed, including: a universal serial bus (USB) interface circuit, wherein the universal serial bus interface circuit is coupled to an optical disc drive and a universal serial bus Between the ports, and the universal serial bus interface circuit is used to control an operation of the optical disc drive; wherein when the optical disc drive system meets a first condition, the universal serial bus interface circuit converts the optical disc drive from a Sleep mode wakes up and operates in a normal operating mode

Certain terms are used in the description and the scope of subsequent patent applications to refer to specific elements. It should be understood by those with ordinary knowledge in the art that hardware manufacturers may use different names to refer to the same component. The scope of this specification and subsequent patent applications does not take the difference in names as a way to distinguish components, but rather uses the difference in functions of components as a criterion for distinguishing components. "Inclusion" mentioned throughout the specification and subsequent claims is an open-ended term and should be interpreted as "including but not limited to." In addition, the term "coupled" includes any direct and indirect electrical connection means. Therefore, if the text describes a first device coupled to a second device, it means that the first device can be directly and electrically connected to the second device. The second device is indirectly electrically connected to the second device through other devices or connection means.

FIG. 1 is a schematic diagram of an optical disc drive system 100 according to an embodiment of the present invention. As shown in FIG. 1, the optical disc drive system 100 includes a universal serial bus (USB) interface circuit 110 and an optical disc drive. 120. A processing circuit 130 and a power control circuit 140, wherein the universal serial bus interface circuit 110 is coupled between the optical disc drive 120 and a universal serial bus port 131 in the processing circuit 130, and the universal serial bus interface circuit 110 is used to control the operation of the optical disc drive 120. The optical disc drive 120 includes an eject button 121 and an optical disc 122. The eject button 121 is installed on the outside of the optical disc drive 120 in this embodiment, and is pressed by a user (shown by a dotted line in FIG. 1). After the disc key 121, the optical disc 122 is ejected from the optical disc drive 120 or the optical disc disc 122 is reinserted into the optical disc drive 120, and the optical disc disc 122 is used to hold a disc disc, and the disc disc is contained in the disc disc 122. After returning to the optical disc drive 120, the optical disc drive 120 reads the disc disc and performs subsequent processing operations. Those skilled in the art should be able to easily understand the software, hardware and software involved in the optical disc drive 120 when reading the data in the disc disc. For the operation of the body or firmware, the focus of the present invention should focus on the power saving effect of the optical disc drive, so the details of the subsequent processing operations after the optical disc drive 120 reads the disc disc are omitted here. In this embodiment, the optical disc drive system 100 is a system installed in an electronic device (such as a personal computer or the like), and the optical disc drive 120 may be an optical disc drive built into the personal computer. One of the universal serial bus interface 123 is coupled to the universal serial bus interface circuit 110, and the processing circuit 130 in this embodiment is a motherboard installed in the personal computer. The universal serial bus port 131 and The universal serial bus interface circuit 110 is coupled, but the above conditions are not a limitation of the present invention. For example, in other embodiments, the optical disc drive 120 is not limited to be integrated with the universal serial bus interface circuit 110 and the processing circuit 130. In a personal computer, on the contrary, the optical disc drive 120 may be an external optical disc drive, and through the universal serial bus interface 123 and the universal serial bus interface circuit 110. In addition, the optical disc drive 120 and the universal serial bus interface circuit 110 are not limited to two independent circuits. For example, in other embodiments, the optical disc drive 120 and the universal serial bus interface circuit 110 may be integrated into a single circuit. Similarly, the power control circuit 140 and the universal serial bus interface circuit 120 are not limited to two independent circuits, and can also be integrated into a single circuit. This technical content is not a limitation of the present invention. The detailed operation of the optical disc drive from normal mode to sleep mode and wake from sleep mode to normal mode will be discussed in subsequent paragraphs. Referring again to FIG. 1, the power control circuit 140 is used to control the power of the universal serial bus interface circuit 110 and the optical disc drive 120. As shown in FIG. 1, the power control circuit 140 controls the optical disc with power control signals P_CTRL1 and P_CTRL2, respectively. The power of the driver 120 and the universal serial bus interface circuit 110, wherein when the power control circuit 140 receives a control signal CTRL from the universal serial bus interface circuit 110 for instructing the optical disc drive 120 to enter the sleep mode, the power control signal P_CTRL1 to adjust a power source of the optical disc drive 120 to a preset value, and in this embodiment, the preset value is a value close to zero, so that the optical disc drive 120 enters a sleep mode. In addition, the power control circuit 140 can also pass power The control signal P_CTRL2 controls a power supply of the universal serial bus interface circuit 110, so that the universal serial bus interface circuit 110 enters the sleep mode to achieve a power saving effect. The detailed operation will be discussed in the subsequent paragraphs.

Referring to FIG. 1 again, as described above, if the optical disc drive 120 is currently operating in the normal mode, when the optical disc drive 120 meets a sleep condition, the universal serial bus interface circuit 110 transmits a control signal CTRL to the power control circuit 140, where the control signal CTRL is used to instruct the optical disc drive 120 to enter the sleep mode. After receiving the control signal CTRL, the power control circuit 140 sends a power control signal P_CTRL1 to the optical disc drive 120 to adjust the power of the optical disc drive 120 to the preset value close to zero. And enter the sleep mode to achieve power saving effects, where the sleep conditions can be summarized as follows: (1) the time when the disc 120 is not disc-disc exceeds a first preset time; or (2) the processing circuit 130 does not send a processing signal The time from Pro to the optical disc drive 120 exceeds a second preset time.

In detail, when the time when the optical disc drive 120 has not been placed in the disc disc exceeds the first preset time, the optical disc drive system 100 will judge whether the optical disc disc 122 is located in the optical disc drive 120 or exited from the optical disc drive 120 at this time. The optical disc drive 120 meets the sleep condition, the power of the optical disc drive 120 is adjusted to the preset value close to zero, and enters the sleep mode to achieve power saving effect; or, when the optical disc is placed in the optical disc drive 120, but the processing circuit 130 During the second preset time, the processing signal Pro is not transmitted to the optical disc drive 120 through the universal serial bus interface circuit 110. At this time, the optical disc drive system 100 will also determine that the optical disc drive 120 meets the sleep condition. The power is adjusted to this preset value close to zero, and enters the sleep mode to achieve the power saving effect. It should be noted that, in this embodiment, the processing signal Pro sent by the processing circuit 130 is used to write data to or read data from the disc disc in the optical disc drive 120, or to target the optical disc drive. 120 requires it to perform an ejection operation. The present invention does not limit the functions and uses of the processing signal Pro. In addition, the first preset time and the second preset time are not limited to different or the same time value.

Referring to FIG. 2, which is a flowchart 20 of the optical disc drive 120 entering the sleep mode according to an embodiment of the present invention, and referring to FIG. 1 at the same time, if substantially the same result can be achieved, it is not necessary to follow FIG. The steps in the flow shown in FIG. 2 are performed in sequence. The operation flow of the optical disc drive 120 entering the sleep mode is as follows: Step 200: Start. Step 201: Whether the optical disc drive 120 meets a sleep condition, if yes, go to step 202; otherwise, go to step 201. Step 202: When the optical disc drive 120 meets the sleep condition, the universal serial bus interface circuit 110 sends a control signal CTRL to the power control circuit 140, where the control signal CTRL is used to instruct the optical disc drive 120 to enter the sleep mode. Step 203: After receiving the control signal CTRL, the power control circuit 140 sends a power control signal P_CTRL1 to the optical disc drive 120 to adjust the power of the optical disc drive 120 to the preset value close to zero. Step 204: End.

Those with ordinary knowledge in the art should be able to easily understand the flowchart shown in FIG. 2 after reading the embodiment in FIG. 1, and detailed description is omitted here to save space.

Referring again to FIG. 1, if the optical disc drive 120 is currently operating in the sleep mode, when the optical disc drive 120 meets a wake-up condition, the universal serial bus interface circuit 110 transmits a control signal CTRL to the power control circuit 140, where the control signal CTRL is used to indicate The optical disc drive 120 enters the normal mode. After receiving the control signal CTRL, the power control circuit 140 transmits a power control signal P_CTRL1 to the optical disc drive 120 to adjust the power of the optical disc drive 120 to a normal value and enter the normal mode, where the wakeup The conditions can be summarized as follows: (1) the eject button 121 on the optical disc drive 120 is pressed; or (2) the processing circuit 130 receives the processing signal Pro to the optical disc drive 120 through the universal serial bus interface circuit 110.

In detail, when the optical disc drive 120 is in the sleep mode, when the eject button 121 on the optical disc drive 120 is pressed, the optical disc drive 120 sends a wake-up signal WUP to the universal serial bus interface circuit 110, where the wake-up signal WUP is used to Notify the universal sequence bus interface circuit 110 that the eject button 121 is pressed. At this time, the optical disc drive system 100 determines that the optical disc drive 120 enters a normal mode and the power of the optical disc drive 120 is adjusted to a normal value; or, the processing circuit 130 passes the general sequence bus When the interface circuit 110 transmits the processing signal Pro to the optical disc drive 120, and at this time, the universal serial bus interface interface circuit 110 detects that the processing signal Pro meets a signal judgment condition, the optical disc drive system 100 determines that the optical disc drive 120 enters a normal mode, and the optical disc drive 120 The power is adjusted to a normal value, where the signal judgment condition is that the processing signal Pro is used to write data or read data for the disc disc in the optical disc drive 120, or to request the optical disc drive 120 for it. Perform the eject operation, in other words, if the signal Pro is processed only to confirm that the optical disc drive 120 is through the universal serial bus interface circuit 110 If there is a signal or a signal that does not involve data access and disc ejection operation of the optical disc, the universal serial bus interface circuit 110 will not wake up the optical disc drive 120.

Referring to FIG. 3, which is a flowchart 30 of the optical disc drive 120 entering a normal mode according to an embodiment of the present invention, and referring to FIG. 1 at the same time, if the same result is generally achieved, it is not necessary to follow the FIG. The steps in the process shown in FIG. 3 are performed in sequence. The operation process of the optical disc drive 120 entering the normal mode is as follows: Step 300: Start. Step 301: Whether the optical disc drive 120 meets a wake-up condition, if yes, go to step 302; otherwise, go to step 301. Step 302: When the optical disc drive 120 meets the wake-up condition, the universal serial bus interface circuit 110 sends a control signal CTRL to the power control circuit 140, where the control signal CTRL is used to instruct the optical disc drive 120 to enter a normal mode. Step 303: After receiving the control signal CTRL, the power control circuit 140 sends a power control signal P_CTRL1 to the optical disc drive 120 to adjust the power of the optical disc drive 120 to a normal value. Step 304: End.

Those with ordinary knowledge in the art should be able to easily understand the flowchart shown in FIG. 3 after reading the embodiment in FIG. 1, and detailed descriptions are omitted here to save space.

FIG. 4 is a schematic diagram of the universal serial bus interface circuit 110 entering the sleep mode according to an embodiment of the present invention. As shown in FIG. 4, when the optical disc drive 120 and the universal serial bus interface circuit 110 are no longer coupled to each other, In other words, whether the processing circuit 130 sends the processing signal Pro to the optical disc drive 120 through the universal serial bus interface circuit 110, or the universal serial bus interface circuit 110 detects that the optical disc drive 120 is no longer connected with it after sending a signal When coupled, the universal serial bus interface circuit 110 sends a control signal CTRL to the power control circuit 140, where the control signal CTRL is used to indicate that the optical disc drive 120 is no longer coupled with the universal serial bus interface circuit 110, and the power control circuit 140 After receiving the control signal CTRL, the power control signal P_CTRL2 is transmitted to adjust the power of the universal serial bus interface circuit 110 to a preset value close to 0, so that the universal serial bus interface circuit 110 enters the sleep mode to achieve power saving effect.

To briefly summarize the present invention, the present invention discloses an optical disc drive system. When the optical disc drive meets a sleep condition, the power of the optical disc drive is controlled to a preset value so that it enters the sleep mode to achieve power saving effect. In the wake-up condition, the power of the optical disc drive is controlled to return to a normal value, so that the optical disc drive enters a normal mode for operation. This will effectively reduce the power consumption of the optical disc drive. The above description is only a preferred embodiment of the present invention, and all equivalent changes and modifications made in accordance with the scope of patent application of the present invention shall fall within the scope of the present invention.

100‧‧‧ Optical Disc Drive System

110‧‧‧Universal Serial Bus Interface Circuit

120‧‧‧ Optical Disc Drive

130‧‧‧Processing circuit

140‧‧‧Power Control Circuit

CTRL‧‧‧Control signal

P_CTRL1, P_CTRL2‧‧‧ Power control signal

WUP‧‧‧ wake-up signal

Pro‧‧‧Processing Signal

121‧‧‧Eject button

122‧‧‧Disc

123‧‧‧Universal Serial Bus Interface

131‧‧‧Universal Serial Bus

disc‧‧‧

FIG. 1 is a schematic diagram of an optical disc drive system according to an embodiment of the present invention. FIG. 2 is a flowchart of an optical disc drive entering a sleep mode according to an embodiment of the present invention. FIG. 3 is a flowchart of the optical disc drive 120 entering a normal mode according to an embodiment of the present invention. FIG. 4 is a schematic diagram of a universal serial bus interface circuit entering a sleep mode according to an embodiment of the present invention.

Claims (12)

An optical disc drive system includes: a universal serial bus (USB) interface circuit, coupled between an optical disc drive and a universal serial bus port, wherein the universal serial bus interface circuit is used for controlling An operation of the optical disc drive; wherein when the optical disc drive system meets a sleep condition, the universal serial bus interface circuit controls the optical disc drive from a normal operation mode to a sleep mode through a control signal. For example, the optical disc drive system according to item 1 of the patent application, wherein the sleep condition includes: the universal serial bus interface circuit detects that the optical disc drive has not been loaded with an optical disc for more than a preset time. For example, the optical disc drive system of the first patent application scope further includes: a processing circuit including the universal serial bus port, wherein the processing circuit is used to transmit a processing signal for the optical disc drive; wherein the sleep condition includes: The universal serial bus interface circuit does not receive the processing signal from the processing circuit within a predetermined time. For example, the optical disc drive system of the first patent application scope further includes: a power control circuit for controlling a power supplied to the optical disc drive; wherein when the optical disc drive system meets the sleep condition, the power control circuit receives The control signal of the universal serial bus interface circuit and adjusts the power of the optical disc drive to a preset value. For example, if the optical disc drive system of the fourth patent scope is applied, when the universal serial bus interface circuit is not coupled to the optical disc drive, the power control circuit is further used to control a power supply of the universal serial bus interface circuit to the default value. An optical disc drive system includes: a universal serial bus (USB) interface circuit, coupled between an optical disc drive and a universal serial bus port, wherein the universal serial bus interface circuit is used for controlling An operation of the optical disc drive; wherein when the optical disc drive system meets a wake-up condition, the universal serial bus interface circuit wakes the optical disc drive from a sleep mode and operates in a normal operation mode. For example, the optical disc drive system under the scope of patent application No. 6, wherein the wake-up condition includes: a disc eject button on the optical disc drive is pressed; and when the optical disc drive system meets the wake-up condition, the universal serial bus interface circuit passes through A wake-up signal is transmitted to wake the optical disc drive from the sleep mode and operate in the normal operation mode, and a notification signal is sent to notify the optical disc drive to exit a disc placed in the optical disc drive. For example, the optical disc drive system with the scope of patent application No. 6 further includes: a processing circuit including the universal serial bus port, wherein the processing circuit is used to transmit a processing signal for the optical disc drive; wherein the wake-up condition includes: The universal serial bus interface circuit receives the processing signal from the processing circuit, and the processing signal meets a signal judgment condition; and when the optical disc drive system meets the wake-up condition, the universal serial bus interface circuit transmits a wake-up The signal wakes up the optical disc drive from the sleep mode and operates in the normal operation mode, and sends the processing signal to the optical disc drive. For example, the optical disc drive system of the eighth patent application scope, wherein the signal judgment conditions include: the processing signal is used to read or write data to an optical disc placed in the optical disc drive. For example, the optical disc drive system of the eighth patent application scope, wherein the signal judgment conditions include: the processing signal is used to request the optical disc drive to withdraw from an optical disc placed in the optical disc drive. For example, the optical disc drive system under the scope of patent application No. 6 further includes: a power control circuit for controlling a power supplied to the optical disc drive; wherein when the optical disc drive system meets the wake-up condition, the power control circuit receives The control signal of the universal serial bus interface circuit and adjusts the power of the optical disc drive to a preset value. For example, in the optical disc drive system with the scope of patent application No. 11, wherein when the universal serial bus interface circuit is not coupled to the optical disc drive, the power control circuit is further used to control a power supply of the universal serial bus interface circuit to the default value.