CN210781148U - Television remote controller chip circuit with illumination drive and remote controller - Google Patents
Television remote controller chip circuit with illumination drive and remote controller Download PDFInfo
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- CN210781148U CN210781148U CN201922364287.7U CN201922364287U CN210781148U CN 210781148 U CN210781148 U CN 210781148U CN 201922364287 U CN201922364287 U CN 201922364287U CN 210781148 U CN210781148 U CN 210781148U
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Abstract
The utility model discloses a TV remote controller chip circuit and remote controller with illumination drive, the chip circuit includes central control unit, infrared drive unit, key drive unit, the unit steps up, charge management unit and illumination drive unit, be connected with the singlechip crystal oscillator on the central control unit, infrared drive unit and central control unit are connected, be provided with infrared LED interface on the infrared drive unit, key drive unit and central control unit are connected, be provided with key interface on the key drive unit, be connected with power input port on the charge management unit, be connected with lithium battery interface on the charge management unit, step up unit and lithium battery interface connection, illumination drive unit connects on the unit that steps up, the unit output power that steps up gives illumination drive unit, be equipped with the light connection interface on the illumination drive unit. The utility model discloses can add illumination LED on the remote controller, regard the remote controller as the flashlight of illumination to use, the function is various.
Description
Technical Field
The utility model discloses a remote controller chip, especially a TV remote controller chip circuit and remote controller with lighting drive.
Background
The remote controller is a wireless transmitting device, and codes the key information by modern digital coding technology and sends the key information to relevant equipment, and the equipment demodulates corresponding instructions after receiving the key information to achieve the purpose of controlling the relevant equipment to complete the required operation requirements.
The conventional remote controller mostly adopts an infrared technology, control signals are transmitted through infrared rays, and a common remote controller is relatively complex in peripheral circuit, so that the remote controller is relatively large in size and relatively single in function.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned remote controller structure among the prior art complicacy that mentions, the shortcoming of function singleness, the utility model provides a TV remote controller chip circuit and remote controller with illumination drive, it can add illumination LED on the remote controller, uses the remote controller as the illumination flashlight.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a TV remote controller chip circuit with illumination drive, the chip circuit includes central control unit, infrared drive unit, button drive unit, the unit steps up, charge management unit and illumination drive unit, the last singlechip crystal oscillator that is connected with of central control unit, infrared drive unit is connected with central control unit, be provided with infrared LED interface on the infrared drive unit, button drive unit is connected with central control unit, be provided with the button interface on the button drive unit, be connected with power input port on the management unit that charges, be connected with the lithium cell interface on the management unit that charges, the unit that steps up is connected with the lithium cell interface, illumination drive unit connects on the unit that steps up, the unit output power that steps up gives illumination drive unit, be equipped with light connection interface on the illumination drive unit, the unit that steps up includes triode Q4, triode Q5, triode Q6, a, A transistor Q7, a capacitor C8, an inductor L1 and a capacitor C9, wherein an emitter of the transistor Q4 is connected to an anode of the lithium battery, a collector of the transistor Q4 is connected to a base of the transistor Q5 through a resistor R23 connected in series, an emitter of the transistor Q5 is connected to a cathode of the lithium battery, a collector of the transistor Q5 is connected to one end of the inductor L1, the other end of the inductor L1 is connected to the anode of the lithium battery, a capacitor C8 is connected between a base of the transistor Q4 and a collector of the transistor Q5, a base of the transistor Q4 is connected to a collector of the transistor Q6 through a resistor R22 connected in series, an emitter of the transistor Q6 is connected to the cathode of the lithium battery, a base of the transistor Q6 is connected to a collector of the transistor Q7, an emitter of the transistor Q7 is connected to the cathode of the lithium battery, a collector of the transistor Q7 is connected to the anode of the lithium battery through a resistor R, the LED driving circuit comprises a diode D2 serving as an output end Vin +9V, a resistor R25 and a resistor R26 are connected between the output end Vin +9V and the negative electrode of a lithium battery, the resistor R25 and the resistor R26 are connected in series, the base electrode of a triode Q7 is connected to the common end of a resistor R25 and a resistor R26, the lighting driving unit is an LED driving chip, the Vin end of the LED driving chip is connected with the Vin +9V of the boosting unit, an inductor L1 is connected between the LX end of the LED driving chip and the Vin end of the LED driving chip in series, a capacitor C10 is connected between the Vin end of the LED driving chip and the GND end, an enabling end EN of the LED driving chip is connected with an I/O port of the central control unit, an output interface Vout of the LED driving chip is an illuminating lamp connection interface, a capacitor C11 is connected between the output interface of the LED driving chip and the Vout end, and a resistor.
The utility model provides a remote controller, the remote controller includes as above-mentioned remote controller chip, the lithium cell, the button, infrared LED, power input interface and illumination LED, the lithium cell is connected on the power port of remote controller chip, the key-press connection is on the key input interface of remote controller chip, infrared LED connects on infrared output interface, power input interface connects on the power input port of chip, illumination LED connects on the light connection interface of chip.
The utility model provides a technical scheme that its technical problem adopted further still includes:
the key driving unit adopts a 4-8 mesh key layout mode and comprises 4 driving input lines and 8 driving output lines, wherein the 4 driving input lines are respectively connected with a positive power supply through pull-up resistors.
The infrared driving unit comprises a triode Q1, a current-limiting resistor R5 and a current-limiting resistor R6, the base electrode of the triode Q1 is connected with a data pin of the central control unit through the current-limiting resistor R5, the emitting electrode of the triode Q1 is grounded, the collector electrode of the triode Q1 is used as an infrared output interface of the infrared driving unit, and the current-limiting resistor R6 is connected between the collector electrode of the triode Q1 and the infrared output interface in series.
The charging management unit adopts a charging management chip, VIN and CE ports of the charging management chip are respectively connected with a positive power supply of the power supply input port, CHRG ports and FAULT ports of the charging management chip are respectively connected with the positive power supply of the power supply input port through a current-limiting resistor, BAT ports of the charging management chip are connected with a lithium battery, and a filter capacitor C7 is connected between the BAT ports of the charging management chip and the ground.
The central control unit is connected with a reset unit, the reset unit comprises a key reset unit and a watchdog unit, the key reset unit comprises a reset key interface and a resistor R11, the reset key interface and the resistor R11 are connected between a positive power supply and the ground in series, a capacitor C5 is connected with the reset key interface in parallel, a resistor R12 is connected with the resistor R11 in parallel, a capacitor C5 and a resistor R12 form a power-on reset unit, the watchdog unit is a watchdog chip, a VCC port of the watchdog chip is connected with the positive power supply, a GND port interface of the watchdog chip, an MR port and a WDO port of the watchdog chip are in short circuit, a RST end of the watchdog chip is connected with a RST port of the central control unit, a WDI port of the watchdog chip is connected with an I/O port of the central control unit, a WDI port of the watchdog chip is connected with the I/O port of the central control unit, and a PFO port of the watchdog chip is connected with an external interface of the central control unit, the PFO port of the watchdog chip is connected to the INT0 port of the central control unit, the PFI port of the watchdog chip is connected to a voltage dividing resistor network, the voltage dividing resistor network comprises a resistor R13 and a resistor R14 which are connected between a positive power supply and the ground in series, and the PFI port of the watchdog chip is connected to the common end of the resistor R13 and the resistor R14.
The display driving unit is connected with the central control unit and comprises a triode Q2, a current-limiting resistor R7 and a current-limiting resistor R8, the base electrode of the triode Q2 is connected with one data pin of the MCU through the current-limiting resistor R7, the emitting electrode of the triode Q2 is grounded, the collector electrode of the triode Q2 serves as an LED output interface of the display driving unit and is used for being connected with an indicating LED, and the collector electrode of the triode Q2 and the LED output interface are connected with the current-limiting resistor R8 in series.
The central control unit is connected with a buzzer driving unit, the buzzer driving unit comprises a triode Q3, a current-limiting resistor R9 and a current-limiting resistor R10, the base electrode of the triode Q3 is connected with a data pin of the MCU through the current-limiting resistor R9, the emitting electrode of the triode Q3 is grounded, the collector electrode of the triode Q3 is used as the buzzer output interface of the buzzer driving unit, and the current-limiting resistor R10 is connected between the collector electrode of the triode Q3 and the buzzer output interface in series.
And a liquid crystal interface of the remote controller chip is connected with a liquid crystal screen.
And the buzzer output interface of the remote controller chip is connected with a buzzer.
The utility model has the advantages that: the utility model discloses can add illumination LED on the remote controller, regard the remote controller as the flashlight of illumination to use, the function is various.
The present invention will be further described with reference to the accompanying drawings and the detailed description.
Drawings
Fig. 1 is a block diagram of the circuit of the present invention.
Fig. 2 is a schematic circuit diagram of the main control part of the present invention.
Fig. 3 is a schematic diagram of a power management circuit according to the present invention.
Fig. 4 is a schematic diagram of the boost circuit of the present invention.
Fig. 5 is a schematic circuit diagram of the lighting driving part of the present invention.
Fig. 6 is a schematic diagram of the interface part circuit according to the present invention.
Detailed Description
The embodiment is a preferred embodiment of the present invention, and other principles and basic structures are the same as or similar to those of the embodiment, and are within the protection scope of the present invention.
Please refer to fig. 1 to fig. 6 in combination, the present invention mainly comprises a central control unit, an infrared driving unit, a key driving unit, a boosting unit, a charging management unit and a lighting driving unit, wherein the central control unit is connected with a single chip crystal oscillator, the infrared driving unit is connected with the central control unit for receiving an infrared remote control signal output by the central control unit, the infrared driving unit is provided with an infrared LED interface, the infrared output interface is connected with an infrared LED for outputting the infrared remote control signal, the key driving unit is connected with the central control unit, the key driving unit is provided with a key interface for connecting with a keyboard for performing key input and inputting key information to the central control unit, the charging management unit is connected with a power input port for inputting an external power supply, the charging management unit is connected with a lithium battery interface, the lithium battery charging system comprises a lithium battery, a boosting unit, a lithium battery interface and a lighting driving unit, and is used for being connected with the lithium battery and supplying power to the lithium battery, the boosting unit is connected with the lithium battery interface and used for receiving a lithium battery output power supply, the lighting driving unit is connected to the boosting unit, the boosting unit output power supply supplies power to the lighting driving unit, and a lighting lamp connecting interface is arranged on the lighting driving unit and used for.
In this embodiment, the central control unit is an MCU, and in this embodiment, a well-known 51-series MCU is taken as an example for description, and during specific implementation, an MCU with another structure may be used as the central control unit according to actual needs. The key drive unit adopts 4 the netted key layout mode of 8, 4 drive input lines promptly, 8 drive output lines, is connected with positive power supply through pull-up resistance on 4 drive input lines respectively, through the utility model discloses direct drive keyboard, drive output line are 4 the 8 network structure with the drive input line and distribute, and every node sets up a button.
In this embodiment, the infrared driving unit includes a transistor Q1, a current limiting resistor R5, and a current limiting resistor R6, a base of the transistor Q1 is connected to a data pin of the MCU through the current limiting resistor R5, an emitter of the transistor Q1 is grounded, a collector of the transistor Q1 is used as an infrared output interface of the infrared driving unit, and is connected to the infrared LED, and the current limiting resistor R6 is connected in series between the collector of the transistor Q1 and the infrared output interface.
In this embodiment, the charging management unit uses an equivalent charging management chip, in this embodiment, the charging management chip is equivalent to a charging management chip with a model of CN3052A, VIN and CE ports of the charging management chip are respectively connected to a positive power supply of the power input port, a CHRG port and a FAULT port of the charging management chip are respectively connected to the positive power supply of the power input port through a current-limiting resistor, a BAT port of the charging management chip is connected to a lithium battery for charging the lithium battery, and a filter capacitor C7 is connected between the BAT port of the charging management chip and the ground. In this embodiment, a temperature detection interface is further disposed on the TEMP port of the charging management chip and used for connecting a thermistor, a resistor R17 is connected between the TEMP port and the ground, and a resistor R16 is connected between the TEMP port and the positive power supply terminal.
In this embodiment, the boosting unit includes a transistor Q4, a transistor Q5, a transistor Q6, a transistor Q7, a capacitor C8, an inductor L1, and a capacitor C9, an emitter of the transistor Q4 is connected to a positive electrode of the lithium battery, a collector of the transistor Q4 is connected to a base of the transistor Q5 through a resistor R23 (in this embodiment, the resistor R23 has a resistance of 100 Ω) connected in series, an emitter of the transistor Q5 is connected to a negative electrode of the lithium battery, a collector of the transistor Q5 is connected to one end of the inductor L1, the other end of the inductor L1 is connected to the positive electrode of the lithium battery, a capacitor C8 is connected between a base of the transistor Q4 and the collector of the transistor Q5, a base of the transistor Q4 is connected to a collector of the transistor Q6 through a resistor R22 connected in series, an emitter of the transistor Q6 is connected to the negative electrode of the lithium battery, a base of the transistor Q6 is connected to the, the collector of the triode Q7 is connected with the anode of the lithium battery through a resistor R24 connected in series, the collector of the triode Q5 is connected with a diode D2, the diode D2 serves as an output end Vin +9V, a resistor R25 and a resistor R26 are connected between the output end Vin +9V and the cathode of the lithium battery, the resistor R25 and the resistor R26 are connected in series, and the base of the triode Q7 is connected with the common end of the resistor R25 and the resistor R26.
In this embodiment, the lighting driving unit is equivalent to an LED driving chip of a model ME2212, and in specific implementation, the lighting driving unit may also be equivalent to LED driving chips of other models, a Vin end of the LED driving chip is connected to Vin +9V of the voltage boosting unit, an inductor L1 is connected in series between an LX end of the LED driving chip and the Vin end of the LED driving chip, a capacitor C10 is connected between the Vin end and a GND end of the LED driving chip (in this embodiment, the capacitor C10 is 2.2 μ F), an enable end EN of the LED driving chip is connected to an I/O port of the central control unit, an output interface Vout of the LED driving chip is an illumination lamp connection interface, a capacitor C11 is connected between an output interface Vout of the LED driving chip and the GND end (in this embodiment, the capacitor C11 is 1 μ F), and a resistor RS is connected between the FB interface and the GND end of the LED driving chip.
In this embodiment, the central control unit is connected with a reset unit, the reset unit includes a key reset unit and a watchdog unit, in this embodiment, the key reset unit includes a reset key interface and a resistor R11, the reset key interface and the resistor R11 are connected in series between the positive power supply and the ground, a capacitor C5 is connected in parallel with the reset key interface, a resistor R12 is connected in parallel with the resistor R11, and the capacitor C5 and the resistor R12 form a power-on reset unit to perform power-on reset. In this embodiment, the watchdog unit is equivalent to a watchdog chip with a model MAX813L, and in a specific implementation, the watchdog unit may also be equivalent to other models of watchdog chips, a VCC port of the watchdog chip is connected to the positive power supply, a GND port of the watchdog chip is connected to a GND port, an MR port and a WDO port of the watchdog chip are shorted, a RST end of the watchdog chip is connected to a RST port of the central control unit, a WDI port of the watchdog chip is connected to an I/O port of the central control unit, in this embodiment, a WDI port of the watchdog chip is connected to a P2.4 port of the central control unit, a PFO port of the watchdog chip is connected to an external interrupt interface of the central control unit, in this embodiment, a PFO port of the watchdog chip is connected to an INT0 port of the central control unit, a PFI port of the watchdog chip is connected to a divider resistor network, and the divider resistor network includes a resistor R13 and a resistor R14 connected in series between the positive power supply and ground, the PFI port of the watchdog chip is connected to the common terminal of resistor R13 and resistor R14.
In this embodiment, the central control unit is connected with a liquid crystal driving module, the liquid crystal driving module is equivalent to a liquid crystal driving chip with a 12864S model, and during specific implementation, the liquid crystal driving module can also be equivalent to liquid crystal driving chips with other models, and the liquid crystal driving module is provided with a liquid crystal interface for being connected with an external small-sized liquid crystal screen.
In this embodiment, the central control unit is connected to a display driving unit, the display driving unit includes a transistor Q2, a current limiting resistor R7, and a current limiting resistor R8, a base of the transistor Q2 is connected to a data pin of the MCU through the current limiting resistor R7, an emitter of the transistor Q2 is grounded, a collector of the transistor Q2 is used as an LED output interface of the display driving unit and is connected to the indication LED, and a collector of the transistor Q2 is connected to the LED output interface in series through the current limiting resistor R8.
In this embodiment, the central control unit is connected with a buzzer driving unit, the buzzer driving unit includes a triode Q3, a current limiting resistor R9 and a current limiting resistor R10, the base of the triode Q3 is connected with a data pin of the MCU through the current limiting resistor R9, the emitter of the triode Q3 is grounded, the collector of the triode Q3 is used as the buzzer output interface of the buzzer driving unit, and is used for being connected with an external buzzer, and the current limiting resistor R10 is connected in series between the collector of the triode Q3 and the buzzer output interface.
The utility model discloses protect a remote controller simultaneously, the remote controller includes above-mentioned remote controller chip, the lithium cell, the button, infrared LED, power input interface and illumination LED, the lithium cell is connected on the power port of remote controller chip, the keying is connected on the button input interface of remote controller chip, infrared LED connects on infrared output interface, power input interface connects on the power input port of chip, illumination LED connects on the light connection interface of chip. The utility model can be used as a flashlight.
In this embodiment, a liquid crystal interface of the remote controller chip is connected with a liquid crystal screen, and a buzzer output interface of the remote controller chip is connected with a buzzer.
The utility model discloses there is boost circuit at chip internal integration, and the accessible lithium cell supplies power.
Because the service environment of remote controller is closer apart from the socket ratio, it is more convenient to charge, so, often can insert the electricity and charge, the utility model discloses can add illumination LED on the remote controller, use the remote controller as the illumination flashlight, the function is various.
Claims (10)
1. The utility model provides a TV remote controller chip circuit with illumination drive, characterized by: the chip circuit comprises a central control unit, an infrared drive unit, a key drive unit, a boosting unit, a charging management unit and a lighting drive unit, wherein the central control unit is connected with a singlechip crystal oscillator, the infrared drive unit is connected with the central control unit, the infrared drive unit is provided with an infrared LED interface, the key drive unit is connected with the central control unit, the key drive unit is provided with a key interface, the charging management unit is connected with a power input port, the charging management unit is connected with a lithium battery interface, the boosting unit is connected with the lithium battery interface, the lighting drive unit is connected with the boosting unit, the boosting unit outputs power to the lighting drive unit, the lighting drive unit is provided with a lighting lamp connection interface, the boosting unit comprises a triode Q4, a triode Q5, a triode Q6, a triode Q7, a capacitor C8, an inductor L1 and a capacitor C9, an emitter of a triode Q4 is connected with the positive pole of the lithium battery, a collector of a triode Q4 is connected with the base of the triode Q5 through a resistor R23 connected in series, an emitter of a triode Q5 is connected with the negative pole of the lithium battery, a collector of a triode Q5 is connected with one end of an inductor L1, the other end of the inductor L1 is connected with the positive pole of the lithium battery, a capacitor C8 is connected between the base of a triode Q4 and the collector of a triode Q5, the base of a triode Q4 is connected with the collector of a triode Q6 through a resistor R22 connected in series, an emitter of a triode Q6 is connected with the negative pole of the lithium battery, the base of a triode Q6 is connected with the collector of a triode Q7, an emitter of a triode Q7 is connected with the negative pole of the lithium battery, the collector of a triode Q7 is connected with the positive pole of the lithium battery through a resistor R24 connected in series, a diode D63, a resistor R25 and a resistor R26 are connected between the output end Vin +9V and the negative electrode of the lithium battery, a resistor R25 and a resistor R26 are connected in series, the base electrode of the triode Q7 is connected to the common end of the resistor R25 and the resistor R26, the lighting driving unit is an LED driving chip, the Vin end of the LED driving chip is connected with the Vin +9V of the boosting unit, an inductor L1 is connected in series between the LX end of the LED driving chip and the Vin end of the LED driving chip, a capacitor C10 is connected between the Vin end and the GND end of the LED driving chip, the enable end EN of the LED driving chip is connected with an I/O port of the central control unit, the output interface Vout of the LED driving chip is a lighting lamp connection interface, a capacitor C11 is connected between the output interface Vout and the GND end of the LED driving chip, and a resistor RS is connected between the FB interface.
2. The television remote control chip circuit with illumination driver as claimed in claim 1, wherein: the key driving unit adopts a 4-8 mesh key layout mode and comprises 4 driving input lines and 8 driving output lines, wherein the 4 driving input lines are respectively connected with a positive power supply through pull-up resistors.
3. The television remote control chip circuit with illumination driver as claimed in claim 1, wherein: the infrared driving unit comprises a triode Q1, a current-limiting resistor R5 and a current-limiting resistor R6, the base electrode of the triode Q1 is connected with a data pin of the central control unit through the current-limiting resistor R5, the emitting electrode of the triode Q1 is grounded, the collector electrode of the triode Q1 is used as an infrared output interface of the infrared driving unit, and the current-limiting resistor R6 is connected between the collector electrode of the triode Q1 and the infrared output interface in series.
4. The television remote control chip circuit with illumination driver as claimed in claim 1, wherein: the charging management unit adopts a charging management chip, VIN and CE ports of the charging management chip are respectively connected with a positive power supply of the power supply input port, CHRG ports and FAULT ports of the charging management chip are respectively connected with the positive power supply of the power supply input port through a current-limiting resistor, BAT ports of the charging management chip are connected with a lithium battery, and a filter capacitor C7 is connected between the BAT ports of the charging management chip and the ground.
5. The television remote control chip circuit with illumination driver as claimed in claim 1, wherein: the central control unit is connected with a reset unit, the reset unit comprises a key reset unit and a watchdog unit, the key reset unit comprises a reset key interface and a resistor R11, the reset key interface and the resistor R11 are connected between a positive power supply and the ground in series, a capacitor C5 is connected with the reset key interface in parallel, a resistor R12 is connected with the resistor R11 in parallel, a capacitor C5 and a resistor R12 form a power-on reset unit, the watchdog unit is a watchdog chip, a VCC port of the watchdog chip is connected with the positive power supply, a GND port interface of the watchdog chip, an MR port and a WDO port of the watchdog chip are in short circuit, a RST end of the watchdog chip is connected with a RST port of the central control unit, a WDI port of the watchdog chip is connected with an I/O port of the central control unit, a WDI port of the watchdog chip is connected with the I/O port of the central control unit, and a PFO port of the watchdog chip is connected with an external interface of the central control unit, the PFO port of the watchdog chip is connected to the INT0 port of the central control unit, the PFI port of the watchdog chip is connected to a voltage dividing resistor network, the voltage dividing resistor network comprises a resistor R13 and a resistor R14 which are connected between a positive power supply and the ground in series, and the PFI port of the watchdog chip is connected to the common end of the resistor R13 and the resistor R14.
6. The television remote control chip circuit with illumination driver as claimed in claim 1, wherein: the display driving unit is connected to the central control unit and comprises a triode Q2, a current-limiting resistor R7 and a current-limiting resistor R8, the base electrode of the triode Q2 is connected with one data pin of the MCU through the current-limiting resistor R7, the emitting electrode of the triode Q2 is grounded, the collector electrode of the triode Q2 serves as an LED output interface of the display driving unit and is used for being connected with an indicating LED, and the collector electrode of the triode Q2 is connected with the LED output interface in series through the current-limiting resistor R8.
7. The television remote control chip circuit with illumination driver as claimed in claim 1, wherein: the central control unit is connected with a buzzer driving unit, the buzzer driving unit comprises a triode Q3, a current-limiting resistor R9 and a current-limiting resistor R10, the base electrode of the triode Q3 is connected with a data pin of the MCU through the current-limiting resistor R9, the emitting electrode of the triode Q3 is grounded, the collector electrode of the triode Q3 is used as the buzzer output interface of the buzzer driving unit, and the current-limiting resistor R10 is connected between the collector electrode of the triode Q3 and the buzzer output interface in series.
8. A remote controller is characterized in that: the remote controller comprises a remote controller chip as claimed in any one of claims 1 to 7, a lithium battery, a key, an infrared LED, a power input interface and an illumination LED, wherein the lithium battery is connected to the power port of the remote controller chip, the key is connected to the key input interface of the remote controller chip, the infrared LED is connected to the infrared output interface, the power input interface is connected to the power input port of the chip, and the illumination LED is connected to the illumination lamp connection interface of the chip.
9. The remote control of claim 8, wherein: and a liquid crystal interface of the remote controller chip is connected with a liquid crystal screen.
10. The remote control of claim 8, wherein: and the buzzer output interface of the remote controller chip is connected with a buzzer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922364287.7U CN210781148U (en) | 2019-12-25 | 2019-12-25 | Television remote controller chip circuit with illumination drive and remote controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922364287.7U CN210781148U (en) | 2019-12-25 | 2019-12-25 | Television remote controller chip circuit with illumination drive and remote controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210781148U true CN210781148U (en) | 2020-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922364287.7U Active CN210781148U (en) | 2019-12-25 | 2019-12-25 | Television remote controller chip circuit with illumination drive and remote controller |
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| Country | Link |
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| CN (1) | CN210781148U (en) |
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- 2019-12-25 CN CN201922364287.7U patent/CN210781148U/en active Active
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