TW201431376A - Pause function control module and pico projector - Google Patents

Abstract

A pause function control module and a pico projector are disclosed. The pause function control module includes a sensing circuit and a power control circuit. The sensing circuit generates a trigger signal according to a shelter. The power control circuit is connected to the sensing circuit. The power control circuit decides the output of the current signal according to the trigger signal. The pause function control module is applied in the pico projector. The pause function control module enables the pico projector to enter to a pause mode according to a shelter.

Description

Suspend function control module and pico projector

The disclosure relates to a pause function control module, in particular to a pause function control module applied to a pico projector.

Over the years, with the advancement of technology, a wide variety of projection devices have been widely used in a variety of occasions, such as briefings, lectures, theaters, audio-visual teaching, interactive teaching and home theater groups. For example, a single beam projector (Single Beam Projector) and a liquid crystal projector (LCD Projector). In addition, the optical projection device has the advantage of being similar to the price of a conventional television set, being small in size and convenient to carry. Therefore, optical projection devices are gradually being used by the general public.

With the thinness and lightness of consumer electronic products, the projection device has also become smaller, and in order to cooperate with portable mobile devices for image projection and projection, a pico projector (Pico Projector) has been born. Since the pico projector greatly reduces the size and weight, the user can not only carry it with him, but also has a large-sized display screen everywhere, which is quite convenient. However, in some cases, the user wants to pause the projection of the pico projector, make other instructions or write, and does not want to start the pico projector frequently, because on the one hand, it will consume the power of the battery built in the pico projector, and the other On the one hand, it takes a wait time to restart the pico projector.

In general, most of the pico projectors that have been used in the prior art have no pause function, thereby consuming the power of the battery built in the pico projector and the waiting time for restarting the pico projector, causing the pico projector to Have questions on use question.

The disclosure provides a pause function control module applied to a pico projector, which is capable of avoiding the waiting time of restarting the pico projector by suspending the function control module, and achieving the effect of saving power of the pico projector.

A pause function control module for a pico projector according to an embodiment of the present disclosure includes an inductive circuit and a power control circuit. The sensing circuit is configured to output a trigger signal according to the shielding of an object. The power control circuit is electrically connected to the sensing circuit for responding to the trigger signal to determine the output of a current signal.

A pico projector according to an embodiment of the present disclosure includes a projection module, a control module, and a power module. The projection module is configured to receive a plurality of image signals from an electronic device and project a plurality of images composed of information carried by the plurality of image signals. The control module is electrically connected to the projection module. The control module has a sensing circuit and a power control circuit. The sensing circuit is configured to output a trigger signal according to the shielding of an object, and the power control circuit is electrically connected to the sensing circuit and is configured to respond. The trigger signal is caused to cause the projection module to enter a pause mode. The power module is electrically connected to the projection module and the control module to provide power to the projection module and the control module.

The above description of the disclosure and the following embodiments are intended to illustrate and explain the spirit and principles of the disclosure, and to provide further explanation of the scope of the disclosure.

The detailed features and advantages of the present disclosure are described in detail below in the embodiments. The content is sufficient for any skilled person to understand the technical content of the present disclosure and is implemented according to the content, the scope of the patent application and the drawings, and any person skilled in the art can easily understand the related purposes of the disclosure. advantage. The following examples are intended to further illustrate the present disclosure, but are not intended to limit the scope of the disclosure.

Please refer to FIG. 1 , which is a schematic diagram of a pause function control module 100 applied to a pico projector according to an embodiment of the present disclosure, which includes an inductive circuit 110 and a power control circuit 120 . The sensing circuit 110 is configured to output a trigger signal according to the shielding of an object. The power control circuit 120 is electrically connected to the sensing circuit 110 for responding to the trigger signal to determine the output of a current signal.

As shown in FIG. 1 , the sensing circuit 110 has a plurality of detectors 112 and a plurality of loaders 114 , and a plurality of loaders 114 are electrically connected to the plurality of detectors 112 . The plurality of detectors 112 includes at least three detectors 112, and the plurality of loaders 114 includes at least three carriers 114. In some embodiments, the plurality of detectors 112 can be infrared ray-sensitive diodes, and the plurality of loaders 114 can be resistors, but not limited thereto. In addition, the power control circuit 120 includes a logic circuit 122, a power circuit 124, and a switch circuit 126. The logic circuit 122 is electrically connected between the sensing circuit 110 and the power circuit 124, and the power circuit 124 is electrically connected between the logic circuit 122 and the switching circuit 126.

In this embodiment, the logic circuit 122 is configured to output a logic signal according to the trigger signal, the power circuit 124 is configured to output a voltage signal according to the logic signal, and the switch circuit 126 is configured to output the foregoing according to the voltage signal. Current signal number. In some embodiments, the logic circuit 122 can be an AND gate, but is not limited thereto.

For example, the pause function control module 100 applied to the pico projector firstly utilizes the sensing circuit 110 to shield and output a trigger signal according to an object. In some embodiments, the object may be a finger or a palm, but not limited thereto, but a plurality of detectors 112 located in the sensing circuit 110 are simultaneously shielded. Then, the logic circuit 122 electrically connected to the sensing circuit 110 is configured to output a logic signal according to the trigger signal. Then, the power circuit 124 electrically connected to the logic circuit 122 is used to output a voltage signal according to the logic signal. Finally, the switch circuit 126 electrically connected to the power circuit 124 is configured to output a current signal according to the voltage signal. In this way, the pico projector (not shown) can enter a pause mode according to the current signal, and the pause mode can prevent the pico projector from waiting for restarting and achieve power saving of the pico projector. efficacy.

Please refer to FIG. 2 , which is a schematic view of a micro projector 200 according to an embodiment of the present disclosure. The system includes a projection module 210 , a control module 220 , and a power module 230 . As shown in FIG. 2, the projection module 210 is configured to receive a plurality of image signals from an electronic device (not shown) and project a plurality of images composed of information carried by the plurality of image signals. . The control module 220 is electrically connected to the projection module 210. The control module 220 has a sensing circuit 222 and a power control circuit 224. The sensing circuit 222 is configured to output a trigger signal according to the shielding of an object, and the power control circuit 224 is powered. The connection sensing circuit 222 is configured to respond to the trigger signal to cause the projection module 210 to enter a pause mode. The power module 230 is electrically connected The projection module 210 and the control module 220 are configured to supply power to the projection module 210 and the control module 220.

As shown in FIG. 2 , the projection module 210 includes a processor 212 , a display unit 214 , and a driving circuit 216 . The driving circuit 216 is electrically connected between the processor 212 and the display unit 214 . The processor 212 is configured to receive and process a plurality of image signals from the electronic device, and the driving circuit 216 is configured to receive the plurality of image signals and drive the display unit 214 to display the plurality of images. The display unit 214 includes a red light emitting diode 2141, a green light emitting diode 2142, and a blue light emitting diode 2143.

In this embodiment, the sensing circuit 222 has a plurality of detectors 112 and a plurality of loaders 114 as shown in FIG. 1 , and a plurality of loaders 114 are electrically connected to the plurality of detectors 112 . The plurality of detectors 112 includes at least three detectors 112, and the plurality of loaders 114 includes at least three carriers 114. In some embodiments, the plurality of detectors 112 can be infrared ray-sensitive diodes, and the plurality of loaders 114 can be resistors, but not limited thereto. Further, the power supply control circuit 224 includes a logic circuit 122, a power supply circuit 124, and a switch circuit 126, as shown in FIG. The logic circuit 122 is electrically connected between the sensing circuit 222 and the power circuit 124, and the power circuit 124 is electrically connected between the logic circuit 122 and the switching circuit 126.

In this embodiment, the logic circuit 122 is configured to output a logic signal according to the trigger signal, the power circuit 124 is configured to output a voltage signal according to the logic signal, and the switch circuit 126 is configured to output a voltage according to the voltage signal. Current signal. In some embodiments, the logic circuit 122 can be a gate, but is not limited thereto.

For example, the pico projector 200 provides power to the projection module 210 and the control module 220 by using the power module 230 to enable the pico projector 200 to operate. First, the processor 212 in the projection module 210 receives and processes a plurality of image signals from the electronic device. Then, the driving circuit 216 receives the image signals and drives the display unit 214 to display a plurality of images. Then, by using the red light emitting diode 2141, the green light emitting diode 2122, and the blue light emitting diode 2143 in the display unit 214 to achieve image color matching, the image projected by the projection module 210 can be Present their original colors.

At this time, if the pico projector 200 is to be suspended, the sensing circuit 222 and the power control circuit 224 in the control module 220 can be utilized to cause the pico projector 200 to enter the pause mode. For example, the sensing circuit 222 can mask the first trigger signal according to the shielding of an object. In some embodiments, the object may be a finger or a palm, but not limited thereto, but a plurality of detectors 112 located in the sensing circuit 222 are simultaneously shielded (as shown in FIG. 1). . Next, please refer to "FIG. 1", and the logic circuit 122 electrically connected to the sensing circuit 222 is configured to output the first logic signal according to the first trigger signal. Then, the power circuit 124 electrically connected to the logic circuit 122 is configured to output the first voltage signal according to the first logic signal. Finally, the switch circuit 126 electrically connected to the power circuit 124 is configured to output the first current signal according to the first voltage signal. The driving circuit 216 will receive the first current signal and drive the display unit 214 to pause displaying the plurality of images as described above, so that the pico projector 200 can enter the pause mode.

Subsequently, if the pico projector 200 is to be restarted, the sensing circuit 222 and the power control circuit 224 in the control module 220 can be utilized again to cause the pico projector 200 to re-enter the operational mode. For example, the sensing circuit 222 can additionally mask the output of the second trigger signal according to an object. In some embodiments, the object may be a finger or a palm, but not limited thereto, but a plurality of detectors 112 located in the sensing circuit 222 are simultaneously shielded (as shown in FIG. 1). . Next, please refer to "FIG. 1", and the logic circuit 122 electrically connected to the sensing circuit 222 is configured to output the second logic signal according to the second trigger signal. Then, the power circuit 124 electrically connected to the logic circuit 122 is configured to output a second voltage signal according to the second logic signal. Finally, the switch circuit 126 electrically connected to the power circuit 124 is configured to output a second current signal according to the second voltage signal. The driving circuit 216 will receive the second current signal and drive the display unit 214 to display the plurality of images as described above again, so that the pico projector 200 can re-enter the working mode.

As described above, the pico projector 200 can enter the pause mode or the re-operation mode according to the first current signal or the second current signal. Among them, the pause mode can make the pico projector 200 avoid the waiting time at the time of restart and achieve the effect of saving the power of the pico projector 200.

In summary, compared with the prior art, the pico projector has a pause function control module, and can avoid the waiting time for restarting the pico projector, and achieve the effect of saving power of the micro projector.

Although the disclosure is disclosed above in the foregoing embodiments, it is not intended to limit the disclosure. Without changing the spirit and scope of this disclosure, the changes and refinements are It belongs to the scope of patent protection of this disclosure. Please refer to the attached patent application for the scope of protection defined by this disclosure.

100‧‧‧Pause function control module

110, 222‧‧‧Induction circuit

112‧‧‧Detector

114‧‧‧Loader

120, 224‧‧‧ power control circuit

122‧‧‧Logical Circuit

124‧‧‧Power circuit

126‧‧‧Switch circuit

200‧‧‧Micro Projector

210‧‧‧Projection Module

212‧‧‧ processor

214‧‧‧Display unit

2141‧‧‧Red light emitting diode

2142‧‧‧Green light emitting diode

2143‧‧‧Blue light emitting diode

216‧‧‧ drive circuit

220‧‧‧Control Module

230‧‧‧Power Module

1 is a schematic diagram of a pause function control module applied to a pico projector according to an embodiment of the present disclosure.

2 is a schematic diagram of a pico projector according to an embodiment of the present disclosure.

100‧‧‧Pause function control module

110‧‧‧Induction circuit

112‧‧‧Detector

114‧‧‧Loader

120‧‧‧Power Control Circuit

122‧‧‧Logical Circuit

124‧‧‧Power circuit

126‧‧‧Switch circuit

Claims (9)

A pause function control module for a pico projector, comprising: a sensing circuit for outputting a trigger signal according to shielding of an object; and a power control circuit electrically connected to the sensing circuit for responding The trigger signal determines the output of a current signal. The suspension function control module of claim 1, wherein the power control circuit comprises a logic circuit, a power circuit, and a switch circuit, the logic circuit is electrically connected between the sensing circuit and the power circuit, The power circuit is electrically connected between the logic circuit and the switch circuit. The suspension function control module of claim 2, wherein the logic circuit is configured to output a logic signal according to the trigger signal, and the power circuit is configured to output a voltage signal according to the logic signal, the switch circuit is configured to The voltage signal outputs the current signal. The suspension function control module of claim 1, wherein the sensing circuit has a plurality of detectors and a plurality of loaders, and the loaders are electrically connected to the detectors. A pico projector comprising: a projection module for receiving a plurality of image signals from an electronic device and projecting a plurality of images composed of the information carried by the image signals; a control module, electrical Connected to the projection module, the control module has an inductive circuit and a power control circuit for shielding according to an object The power supply control circuit is electrically connected to the sensing circuit and is configured to respond to the trigger circuit to cause the projection module to enter a pause mode; and a power module electrically connected to the projection module and the The control module is configured to provide power to the projection module and the control module. The pico-projector of claim 5, wherein the projection module comprises a processor, a display unit, and a driving circuit, and the driving circuit is electrically connected between the processor and the display unit. The pico projector of claim 6, wherein the processor is configured to receive and process the image signals from the electronic device, and the driving circuit is configured to receive the image signals and drive the display unit to display the images. The pico projector of claim 7, wherein the display unit comprises a red light emitting diode, a green light emitting diode, and a blue light emitting diode. The pico projector of claim 5, wherein the sensing circuit has a plurality of detectors and a plurality of loaders, the loaders being electrically connected to the detectors.