TWI403903B - Electronic system, information output device, and method for activating the information output device - Google Patents

Abstract

An electronic system includes an information output device for outputting information, and an information receiving device for receiving and processing the information. The information receiving device includes a power supply signal generating unit for generating a power supply signal, and a first transmission member electrically connected to the power supply signal generating unit. The information output device includes a power supply unit, a second transmission member coupled to the first transmission member for receiving the power supply signal, and a control unit. The control unit has an input end electrically connected to the second transmission member, and a power control module electrically connected to the input end. When the input end receives the power supply signal via the second transmission member, the power supply module will control the power supply unit to start supplying power so as to cause the information output device to enter into a working state.

Description

Electronic system, information output device and information output device startup method

The present invention relates to an operation method of an electronic device, and more particularly to a method for starting an electronic device.

With the development of technology, it has become increasingly rare to send papers in conferences. In today's conferences, it is quite common to use laptops with external projectors or large screens for reporting and display research results. .

However, when the notebook computer is connected to the screen, whether it is connected to the port or not connected to the port, it is almost necessary to open the screen of the notebook, then press the power switch to start the program, and then wait for the image. The signal is transmitted from the port to the external screen. If there is a short meeting or other emergency, the traditional boot mode is still a bit complicated.

Accordingly, it is an object of the present invention to provide an electronic system that reduces the startup step.

Thus, the electronic system of the present invention comprises an information output device for outputting an information, and an information receiving device for receiving and processing the information; the information receiving device includes a power supply signal generating unit for generating a power supply signal, and a first transmission member electrically connected to the power supply signal generating unit, the first transmission member can output the power supply signal; the information output device includes a power supply unit configured to be coupled to the first transmission member to receive the a second transmission component of the power supply signal, and a control unit, the control unit has an input terminal electrically connected to the second transmission component, and a power control module electrically connected to the input terminal, when the input terminal transmits the The second transmission component receives the power supply signal from the information receiving device, and the power control module controls the power supply unit to start supplying power to bring the information output device into an active state.

Preferably, the information output device of the present invention further has a second level signal generating unit electrically connected to the input terminal, and provides a second level voltage signal at the input end; when the second transmitting unit and the second a transmission component is coupled, the voltage of the input terminal is changed by the second level, so that the information output device enters an active state; and when the second transmission component is not coupled to the first transmission component, the second The level signal generating unit provides the second level voltage signal to the input end of the control unit, and the power control module controls the power supply unit to reduce the supplied power to cause the information output device to leave the working state.

Preferably, the power supply signal generated by the power supply signal generating unit of the present invention is a first level voltage signal, and the first transmission component transmits the power supply signal to the second transmission component, and then transmits the signal to the input terminal. After the voltage of the input terminal changes from the second level to the first level, the power control module controls the power supply unit to start supplying power to bring the information output device into an active state.

Preferably, the first transmission member is one of a pin of a connection plug and a pin holder of a connection port, and the second transmission member is the other.

In addition to the foregoing voltage signal implementation, the power supply signal of the present invention may also be a string of activation codes, and the first transmission component transmits the power supply signal to the second transmission component; the control unit further includes a bridge connection to the input The decoding module between the terminal and the power control module, after the input terminal receives the power supply signal and transmits the power supply signal to the decoding module, the decoding module interprets the power supply signal and controls the power control module The power supply unit supplies electrical energy to bring the information output device into an operational state. The first transmission member can be one of a connection plug and a connection port.

The effect of the invention is that the coupling of the first transmission component and the second transmission component can be used to simply control the activation or shutdown of the information output device, so that the user can directly couple the first transmission component and the second transmission device. The transmission component is directly activated by the information output device, and it is not necessary to additionally operate other switch buttons of the information output device to activate it.

The above and other technical contents, features and advantages of the present invention will be apparent from the following detailed description of the preferred embodiments of the invention.

Before the present invention is described in detail, it is noted that in the following description, similar elements are denoted by the same reference numerals.

Referring to FIG. 1 and FIG. 2, a first preferred embodiment of the electronic system 10 of the present invention comprises an information output device 1 and an information receiving device 2 for receiving information output by the information output device 1. In this embodiment, the information output device 1 is a notebook computer, and the information receiving device 2 is a screen, and the image information generated by the information output device 1 is transmitted through the video graphics array 埠3 (Video Graphics Array, hereinafter referred to as VGA 埠), the image pattern array plug 4 (hereinafter referred to as VGA plug) transmitted to the information receiving device 2, and finally the image receiving screen is displayed by the information receiving device 2. However, the present invention is not limited to the image information transmission between the notebook and the screen of the embodiment, and may be, for example, the transmission of sound information between the mobile phone and the audio, or the transmission of file information between the computer and the mobile phone. The VGA interface of this embodiment can also be simply replaced by other types of image information transmission interfaces such as the DVI interface. It is worth mentioning that FIG. 1 is a schematic diagram of a circuit in which the VGA plug 4 is removed from the VGA port 3, and FIG. 2 is a circuit diagram in which the VGA plug 4 is inserted into the VGA port 3.

The information receiving device 2 has a power supply signal generating unit 21 and a VGA plug 4, and the VGA plug 4 has a power supply pin 41 (first transmission member). The power supply signal generating unit 21 is configured to generate a power supply signal and transmit the power supply signal through the VGA. The power supply pin 41 of the plug 4 is transmitted. It should be noted that the power supply signal of this embodiment is a first level voltage signal. In this embodiment, the first level is a high level of 5 volts, but is not limited thereto. It is worth mentioning that, due to the current VGA terminal, there are still several pins that are preset to be floating (N/C, not connected). In this embodiment, the pin 4 (pin 4) originally set to be floating is used. The power supply pin 41 of this embodiment is used to output a power supply signal.

The information output device 1 has a power supply unit 11, a control unit 12, a second level signal generating unit 13, an image generating unit 14, and is electrically connected to the image generating unit 14 and has a power pin holder 31. VGA port 3. The power supply unit 11 is for supplying electric energy required for the operation of the entire information output device 1.

The control unit 12 has an input terminal 121 electrically connected to the power supply pin base 31 and the second level signal generating unit 13, and a power control module 122 for controlling the power supply state of the power supply unit 11. In this embodiment, when the information output device 1 is in the off state, and the power control module 122 receives the first level power supply signal through the input terminal 121, the power supply unit 11 is controlled to start the information output device 1 Peripheral components (such as hard drives, network chips and graphics cards, etc., not shown) supply power for the boot process: performing a power on self test and initializing each peripheral component, and then executing The working mode is to make the information output device 1 enter the normal working state. It should be noted that after the power control module 122 starts to execute the working mode, the control unit 12 causes the image generating unit 14 (display card) to transmit the generated image information to the information receiving device 2 through the VGA port 3 and the VGA plug 4. . When the voltage level of the input terminal 121 is pulled back to the second level by the second level signal generating unit 13 (described later), in the embodiment, the second level is a low level of 0 volts. The power control module 122 performs a shutdown procedure, that is, the control power supply unit 11 stops supplying power to the information output device 1. It should be noted that, in this embodiment, the power control module 122 is a basic input/output system chip (BIOS chip), but may also be a circuit module integrated in the control unit 12 (central processing unit), and is not This embodiment is limited.

It should be noted that, in this embodiment, the power control module 122 receives the first level and the second level of the voltage signal, respectively, performing booting and performing the working mode and shutting down, but may also be designed to be respectively saved by the province. The electrical mode enters the working mode and enters the power saving mode from the working mode, and the corresponding execution actions may be different power management designs according to different requirements, and are not limited to the embodiment.

In this embodiment, the power supply pin holder 31 (second transmission member) of the VGA port 3 is a 4 pin socket (pin 4) of the VGA port, and is corresponding to the position of the power supply pin 41 of the VGA connector 4 and can be inserted therein. When the VGA plug 4 and the VGA port 3 are separated (as shown in FIG. 1) into a plug (as shown in FIG. 2), the first level of the power supply signal from the power signal generating unit 21 is sequentially supplied by the power supply. The pin 41 and the power pin header 31 are transmitted to the input terminal 121 of the control unit 12. Finally, the power control module 122 receives the power supply signal, starts executing the boot process, and executes the operation mode.

In this embodiment, the second level signal generating unit 13 of the information output device 1 includes a grounding end 131, and a resistor 132 bridged between the grounding end 131 and the input end 121 of the control unit 12, the second position. The quasi-signal generating unit 13 is configured to provide a voltage signal of the second level of the input terminal 121 when the VGA plug 4 leaves the VGA port 3 (as shown in FIG. 1), so that the voltage level of the input terminal 121 is maintained at the first level. The two-level standard is 0 volt in the present embodiment.

Referring to FIG. 1 and FIG. 2, FIG. 3 is a flow chart showing the startup operation of the information output device 1 in the first preferred embodiment. When the information output device 1 is in the off state, the VGA plug 4 is not inserted into the VGA port 3. The control unit 12 performs step 81, and the power control module 122 determines whether the voltage level of the input terminal 121 is the second bit. If the VGA plug 4 is still not inserted into the VGA port 3, the input terminal 121 is at the second level, and then step 82 is performed, the information output device 1 continues to maintain the power-off state; if the VGA plug 4 is inserted into the VGA port 3, the power supply signal is enabled. The power supply pin unit 41 and the power supply pin base 31 are transmitted to the input terminal 121. In step 81, the determination result is not the second level. Then, the power control module 122 performs step 83 to control the power supply unit 11 to start outputting the information. Each of the peripheral components of the device 1 supplies power to perform a booting process, and performs an operation mode to cause the information output device 1 to enter a normal working state. Then, step 87 is performed to cause the image generating unit 14 to generate an image signal and transmit the image signal through the VGA port. The VGA plug 4 is transmitted to the information receiving device 2 for display.

Referring to FIG. 1 and FIG. 2, FIG. 4 is a flow chart showing the shutdown operation of the information output device 1 in the first preferred embodiment. When the information output device 1 is in a normal working state, the VGA plug 4 is also inserted in the VGA port 3. The control unit 12 performs step 84. Similarly, the power control module 122 determines that the voltage level of the input terminal 121 is Whether it is the second level, if the VGA plug 4 is still inserted on the VGA port 3, the voltage of the input terminal 121 will be the first level, so it is judged that the input terminal 121 is not the second level, and then step 85 is performed. The output device 1 continues to maintain the power-on state; if the VGA plug 4 is removed from the VGA port 3, and the second level voltage signal provided by the second level signal generating unit 13 is transmitted to the input terminal 121, in step 84, the result is determined. It will be the second level, and then the power control module 122 performs step 86 to control the power supply unit 11 to stop supplying power to the information output device 1, that is, to execute the shutdown procedure.

Referring to FIG. 5, the second preferred embodiment of the electronic system 20 of the present invention also includes an information output device 5 and an information receiving device 6 for receiving information output by the information output device. Different from the foregoing first embodiment, in the second embodiment, the information output device 5 is an audio playback device (such as an mp3 player or ipod), and the information receiving device 6 is an audio device with a speaker 63, and the information output is The sound information generated by the device 5 is transmitted to the USB plug 8 (first transmission member) of the information receiving device 6 via the USB port 7 (second transmission member), and finally the sound is played by the speaker 63.

The information receiving device 6 further has an input unit 62, a power supply signal generating unit 61 and a USB plug 8. The input unit 62 is configured to actively input a start command and transmit the start command to the power signal generating unit 61. After receiving the start command, the power signal generating unit 61 generates a power supply signal, and then generates a power supply signal. It is transmitted through the USB plug 8. The power supply signal of this embodiment is a string of specific startup codes, but is not limited thereto.

The information output device 5 also has a power supply unit 11 and a control unit 12'. The information output device 5 has an audio generating unit 15 and a USB port 7 electrically connected to the audio generating unit 15.

In the second preferred embodiment, the control unit 12' has an input end 121 electrically connected to the USB port 7 , a power control module 122 for controlling the power supply unit 11 , and a bridge 122 . The decoding module 123 is connected to the power control module 122. After the decoding module 123 receives the power supply signal through the input terminal 121, the decoding module 123 interprets the power supply signal, and causes the power control module 122 to control the power supply unit 11 to start supplying the peripheral components of the information output device 5. The power is turned on to perform the booting process, and then the working mode is executed to bring the information output device 5 into a normal working state; after the power supply unit 11 starts providing power, the control unit 12' causes the audio generating unit 15 to generate the generated sound information. The USB port 8 and the USB plug 8 are transmitted to the information receiving device 6 via the USB port, and finally played by the speaker 63 of the information receiving device 6.

It is worth mentioning that, in this embodiment, the user can also input a shutdown command through the input unit 62 to cause the power supply signal generating unit 61 to generate a specific shutdown code, and the shutdown code is transmitted through the plug 8 and the connection port 7. After the decoding module 121 of the control unit 12' decodes the shutdown code, the power control module 122 performs a shutdown procedure, that is, the control power supply unit 11 stops supplying the information output device 5. Electrical energy. In this embodiment, the power control module 122 and the decoding module 123 are circuit modules integrated in the control unit 12' (central processing unit), but may be separate from the control unit 12, and are not implemented in this embodiment. The example is limited.

Referring to FIG. 6 in conjunction with FIG. 5, FIG. 6 is a flow chart showing the startup operation of the information output device 5 in the second preferred embodiment. When the information output device 5 is in the shutdown state, the control unit 12' performs step 91, and uses the decoding module 123 to interpret the instruction code received by the input terminal 121, and then proceeds to step 92, and the decoding module 123 determines the instruction code. Whether it is a power supply signal, if not, proceed to step 93, the information output device 5 continues to maintain the shutdown state; if the determination in step 92 is yes, then step 94 is executed to enable the power control module 122 to control the power supply unit 11, starting to supply power to each peripheral component of the information output device 5 to perform a booting process, and executing a working mode to enable the information output device 1 to enter a normal working state; and then performing step 95 to cause the audio generating unit 15 to generate sound information. And transmitted to the information receiving device 6 through the USB port 埠7 and the USB plug 8, and finally the sound corresponding to the sound information is played by the speaker 63.

In summary, in the first preferred embodiment, the activation or shutdown of the information output device 1 can be simply controlled by the insertion or removal of the VGA plug 4. In the second preferred embodiment, the user can directly By manipulating the information receiving device 6, the information output device 5 can be directly activated or turned off, and both of them do not need to additionally operate the information output devices 1, 5 to activate them, so that the object of the present invention can be achieved.

The above is only the preferred embodiment of the present invention, and the scope of the invention is not limited thereto, that is, the simple equivalent changes and modifications made by the scope of the invention and the description of the invention are All remain within the scope of the invention patent.

10. . . electronic system

1. . . Information output device

11. . . Power supply unit

12, 12’. . . control unit

121. . . Input

122. . . Power control module

123. . . Decoding module

13. . . Second quasi-signal generating unit

131. . . Ground terminal

132. . . resistance

14. . . Image generation unit

15. . . Audio generating unit

2. . . Information receiving device

twenty one. . . Power supply signal generating unit

3. . . VGA埠

31. . . Power pin header

4. . . VGA plug

41. . . Power supply pin

5. . . Information output unit

6. . . Information receiving unit

61. . . Power supply signal generating unit

62. . . Input unit

63. . . horn

7. . . USB port埠

8. . . USB plug

81~87. . . step

91~95. . . step

1 is a circuit block diagram of a first preferred embodiment of an electronic system according to the present invention, illustrating a state in which a VGA plug of an information receiving device is separated from a VGA port of an information output device;

2 is a block diagram showing the circuit of the first preferred embodiment, wherein the VGA plug is inserted into a VGA port;

3 is a flow chart showing the startup operation of the information output device in the first preferred embodiment;

4 is a flow chart showing the shutdown operation of the information output device in the first preferred embodiment;

5 is a block diagram of a circuit of a second preferred embodiment of the electronic system of the present invention; and

FIG. 6 is a flow chart showing the startup operation of the information output device in the second preferred embodiment.

10. . . electronic system

1. . . Information output device

11. . . Power supply unit

12. . . control unit

121. . . Input

Group 122. . . Power control mode

13. . . Second quasi-signal generating unit

131. . . Ground terminal

132. . . resistance

14. . . Image generation unit

2. . . Information receiving device

twenty one. . . Power supply signal generating unit

3. . . VGA埠

31. . . Power pin header

4. . . VGA plug

41. . . Power supply pin

Claims (22)

An electronic system comprising: an information receiving device for receiving and processing a message, and comprising: a power signal generating unit for generating a power supply signal, and a first transmitting component electrically connected to the power signal generating unit The first transmission component can output the power supply signal; and an information output device for outputting the information to the information receiving device, and includes: a power supply unit, a second transmission component, and the first The transmission component is coupled to receive the power supply signal, and a control unit has an input end electrically connected to the second transmission component, and a power control module electrically connected to the input end, when the input end transmits the first The second transmission component receives the power supply signal, and the power control module controls the power supply unit to start supplying power to bring the information output device into an active state. The electronic system of claim 1, wherein the information output device further comprises a second level signal generating unit electrically connected to the input terminal, and providing a second level voltage signal at the input end; When the second transmission component is coupled to the first transmission component, the voltage of the input terminal is changed by the second level, and the power control module controls the power supply unit to start supplying power to enable the information output device. Enter the working state. According to the electronic system of claim 2, the power supply signal generated by the power supply signal generating unit is a first level voltage signal, and the first level is different from the second level. The first transmission component transmits the power supply signal to the second transmission component, so that the voltage of the input terminal changes from the second level to the first level; when the voltage of the input terminal changes from the second level For this first level, the information output device will enter a working state. The electronic system of claim 1, wherein the first transmission member is one of a pin of a connection plug and a pin holder of a connection port, and the second transmission member is another By. The electronic system of claim 3, wherein the second level generating unit provides the constant second level when the second transmitting member is not coupled to the first transmitting member. The voltage signal is applied to the input end of the control unit, and the power control module controls the power supply unit to reduce the supplied power to cause the information output device to leave the working state. The electronic system of claim 1, wherein the power supply signal generated by the power supply signal generating unit is a serial activation code, and the first transmission component transmits the power supply signal to the second transmission component; The control unit further includes a decoding module bridged between the input terminal and the power control module. After the input terminal receives the power supply signal and transmits the power supply signal to the decoding module, the decoding module interprets the power supply. And causing the power control module to control the power supply unit to supply power to bring the information output device into an active state. The electronic system of claim 6, wherein the information receiving device further has an input unit electrically connected to the power signal generating unit, wherein the input unit is configured to input a start command to the power signal generating unit. The power supply signal generating unit generates the power supply signal. The electronic system of claim 7, wherein the first transmission member is one of a connection plug and a connection port, and the second transmission member is the other. An information output device for outputting a message to an information receiving device, wherein the information receiving device can generate and output a power supply signal, and includes: a power supply unit; and a second transmission unit for coupling the information receiving device; And a control unit having an input terminal electrically connected to the second transmission member, and a power control module electrically connected to the input terminal, when the input terminal receives the power supply signal through the second transmission component, The power control module controls the power supply unit to start supplying power to bring the information output device into operation. The information output device according to claim 9 , further comprising a second level signal generating unit electrically connected to the input end, providing a second level voltage signal at the input end; when the second transmission The device is coupled to the first transmission component, and the voltage of the input terminal is changed by the second level, so that the power control module controls the power supply unit to start supplying power to bring the information output device into an active state. According to the information output device of claim 10, wherein the power supply signal is a first level voltage signal, the first level is different from the second level, and the second transmission component is Receiving the power supply signal and transmitting to the input terminal, so that the voltage of the input terminal is changed from the second level to the first level; when the voltage of the input terminal is changed from the second level to the first level, The information output device will enter a working state. The information output device of claim 9, wherein the second transmission member is one of a pin of a connection plug and a pin holder of a connection port. The information output device of claim 10, wherein when the second transmission component is not coupled to the first transmission component, the second level signal generating unit provides the second level voltage signal To the input end of the control unit, the power control module controls the power supply unit to reduce the supplied power to cause the information output device to leave the working state. The information output device of claim 9, wherein the power supply signal is a string of activation codes, and the second transmission component receives the power supply signal and transmits the signal to the input terminal; the control unit further has a bridge a decoding module between the input terminal and the power control module, after the input terminal receives the power supply signal and transmits the power supply signal to the decoding module, the decoding module interprets the power supply signal and controls the power supply The module controls the power supply unit to supply power to bring the information output device into an active state. The information output device of claim 14, wherein the second transmission member is one of a connection plug and a connection port. The information output device of claim 15, wherein the connection plug and the connection port are used to transmit the information. A method for starting an information output device includes: (A) determining whether a transmission component of the information output device receives a power supply signal; (B) if the result of the step (A) is YES, causing a power supply of the information output device The supply unit begins to supply electrical energy to bring the information output device into operation; and (C) causes the information output device to output a message. According to the method for starting the information output device according to claim 17, in the step (A), it is determined whether the voltage of the transmission component is at a second level, and if not, the power supply signal is received. If yes, the power supply signal is not received. The method for starting an information output device according to claim 18, wherein the power supply signal is a first level voltage signal, and the first level is different from the second level. The method for starting an information output device according to claim 17, wherein the transmission member is one of a pin of a connection plug and a pin holder of a connection port, and in the step (C), The information output device outputs the information through the connection plug and the connection port. The method for starting an information output device according to claim 17, wherein the power supply signal is a serial start code, and the step (A) has a sub-step: (A-1) interpreting the transmission component to receive And an instruction code; and (A-2) determining whether the instruction code is the set power supply signal. The method for starting an information output device according to claim 21, wherein the transmission member is one of a connection plug and a connection, and in the step (C), the information output device is passed through the The connection plug and the connection port output the information.