CN203038454U - Wireless remote control transmitter with function of receiving feedback information - Google Patents
Wireless remote control transmitter with function of receiving feedback information Download PDFInfo
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- CN203038454U CN203038454U CN 201320070742 CN201320070742U CN203038454U CN 203038454 U CN203038454 U CN 203038454U CN 201320070742 CN201320070742 CN 201320070742 CN 201320070742 U CN201320070742 U CN 201320070742U CN 203038454 U CN203038454 U CN 203038454U
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Abstract
The utility model provides a wireless remote control transmitter with the function of receiving feedback information, relating to an electronic remote control transmitter. The transmitter mainly comprises a shell, a button switch, an electronic component and a circuit board, wherein the electronic component and a pin of the button switch are installed on the circuit board; the circuit board is arranged in the shell; a button of the button switch extends out of the middle lower part of a panel of the shell; an indicator light or a display window is arranged on the upper part of the panel; and a pin of the indicator light or a character display tube pin in the display window are connected on the circuit board. The button switch, a shunt resistor and a NOT gate b form an on/off instruction operation circuit which transmits remote control signals to a receiver via a transmitting coil and a transmitting antenna. While performing on/off operation, the receiver sends an electromagnetic wave feedback signal with another frequency to the remote control transmitter to enable the remote control transmitter to confirm that remote control is successful. The transmitter is applicable to industrial production, engineering construction, hazardous operations and daily lives and is further convenient for work and lives of people.
Description
Technical field
The utility model relates to electronic apparatus, specially refers to a kind of electronic telecontrol transmitter.
Background technology
Current, the electronic telecontrol transmitter is used widely at household electrical appliance and commercial production, greatly facilitates people's work and life.
But present electronic telecontrol transmitter does not have the function of receiving feedback information, under or the situation about not observing far away when remote control distance, whether remote control success of very difficult affirmation can only be confirmed by other communication tool, as the other side's unmanned, just be difficult to confirm the remote control situation.
The utility model content
The utility model provides a kind of wireless remote control emitter with receiving feedback information, be used for the straighforward operation of commercial production, engineering construction, dangerous operation, daily life and entertainment, can determine that when sending instruction the other side whether by the remote control success, further facilitates people's work and life.
A kind of wireless remote control emitter with receiving feedback information of the present utility model, mainly by housing (3), pushbutton switch (SB), electronic component and circuit board are formed, wherein, the pin of electronic component and pushbutton switch (SB) is installed on the circuit board, circuit board is arranged in the housing (3), the button (4) of pushbutton switch (SB) stretches out from panel (5) middle and lower part of housing, pilot lamp (2a) or display window (2b) are set on the top of panel (5), and the character-writing tube pin in the pin of pilot lamp (2a) or the display window (2b) is connected on the circuit board; Circuit structure on the circuit board is: the negative pole of battery (E) is held with being connected to, and the positive pole of battery (E) is connected to a stiff end of variable resistor (RP), and another stiff end of variable resistor (RP) is held with being connected to; The movable end of variable resistor (RP) is connected to the negative electrode of varactor (VD2) and a pin of blocking capacitor (C2), and the anode of varactor (VD2) is held with being connected to; Another pin of blocking capacitor (C2) is connected to an end of receiving antenna (X1), receiving coil (L1), an end and the commutation diode a(VD3 of frequency-selecting capacitor (C3)) anode, the other end of the other end of receiving coil (L1) and frequency-selecting capacitor (C3) is connected to bypass capasitor a(C4) an end, bypass capasitor a(C4) the other end hold with being connected to; Commutation diode a(VD3) negative electrode is connected to commutation diode b(VD4) negative electrode and triode a(VT1) base stage, triode a(VT1) emitter is connected to commutation diode c(VD5) anode, commutation diode c(VD5) negative electrode and commutation diode b(VD4) anode hold with being connected to; Triode a(VT1) collector is connected to an end of biasing resistor (R2), an end and the not gate a(IC1 of bypass capasitor b (C5)) input end, the other end of biasing resistor (R2) is connected to the positive pole of battery (E), and the other end of bypass capasitor b (C5) is held with being connected to; Not gate a(IC1) output terminal is by current-limiting resistance b(R4) be connected to the anode of light emitting diode (VD7) or the anode of character-writing tube, the negative electrode of light emitting diode (VD7) or the negative electrode of character-writing tube are held with being connected to; The positive pole of battery (E) is connected on the moving contact contact of pushbutton switch (SB) simultaneously, the static contact contact of pushbutton switch (SB) is connected to an end and the not gate b(IC2 that is close to road resistance (R3)) input end, be close to the other end of road resistance (R3) and hold with being connected to; Not gate b(IC2) output terminal is connected to the anode of isolating diode (VD6), the negative electrode of isolating diode (VD6) is connected to an end of oscillating capacitor (C6), an end and the not gate c(IC3 of oscillation resistance (R5)) input end, the other end of oscillating capacitor (C6) is held with being connected to; The other end of output terminal not gate c(IC3) and oscillation resistance (R5) is connected to current-limiting resistance c(R6) an end, current-limiting resistance c(R6) the other end be connected to triode b(VT2) base stage, triode b(VT2) emitter hold with being connected to; Triode b(VT2) collector is connected to an end of emitting antenna (X2) and transmitting coil (L2), and the other end of transmitting coil (L2) is connected to the positive pole of battery (E).During concrete enforcement, not gate a(IC1), not gate b(IC2) and not gate c(IC3) share the cmos digital integrated circuit of a CD40106 hex inverter, the utility model only uses three groups of not gates wherein, the vdd terminal of CD40106 hex inverter is connected to the positive pole of battery (E), the VSS end of CD40106 hex inverter end with being connected to, and the untapped CD40106 hex inverter input end of three groups of not gates is in addition held with being connected to.
In the above-mentioned utility model, by the luminophor formation pilot lamp (2a) of light emitting diode (VD7); Current-limiting resistance a(R1 is arranged in the circuit structure), voltage stabilizing diode (VD1) and filter capacitor (C1), the positive pole of battery (E) is by current-limiting resistance a(R1) be connected to the positive pole of filter capacitor (C1), the negative electrode of voltage stabilizing diode (VD1) and a stiff end of variable resistor (RP), the anode of the negative pole of filter capacitor (C1), voltage stabilizing diode (VD1) and another stiff end of variable resistor (RP) are held with being connected to.
In the circuit structure of the present utility model, by pushbutton switch (SB), be close to road resistance (R3) and not gate b(IC2) constitute the instruction function circuit of start or shutdown, when pushbutton switch (SB) disconnects, not gate b(IC2) input end is low level, not gate b(IC2) output terminal is high level, not gate b(IC2) high level of output terminal output pins pierce circuit, make the blocking of oscillator, when pushbutton switch (SB) is connected, not gate b(IC2) input end is high level, not gate b(IC2) output terminal is low level, make oscillator release starting of oscillation, isolating diode (VD6) is connected not gate b(IC2) output terminal and oscillator between, make not gate b(IC2) the output terminal low level can not influence oscillator work; By not gate c(IC3), oscillation resistance (R5) and oscillating capacitor (C6) constitute pierce circuit, as not gate b(IC2) output terminal when being low level and making oscillator release starting of oscillation, not gate c(IC3) input end just is low level, make not gate c(IC3) output terminal be high level, not gate c(IC3) high level of output terminal charges to oscillating capacitor (C6) by oscillation resistance (R5), when the charging voltage for the treatment of oscillating capacitor (C6) reaches 2/3VDD voltage, not gate c(IC3) output terminal just is low level, oscillating capacitor (C6) just by oscillation resistance (R5) to not gate c(IC3) output terminal discharge, when treating that voltage on the oscillating capacitor (C6) drops to 1/3VDD voltage, not gate c(IC3) output terminal is high level again, not gate c(IC3) high level of output terminal charges to oscillating capacitor (C6) by oscillation resistance (R5) again, so, charging and discharge that oscillating capacitor (C6) just constantly goes round and begins again by oscillation resistance (R5), make not gate c(IC3) the output terminal high level and the low level that occur going round and beginning again, form oscillator signal, oscillation frequency is determined f=1/1.4RC by the numerical value of oscillation resistance (R5) and oscillating capacitor (C6); The oscillator signal that oscillator produces is by triode b(VT2) amplify, launch remote signal by transmitting coil (L2) and emitting antenna (X2) to receiver then; When receiver is received remote signal, make inner trigger circuit upset, the control bidirectional triode thyristor is switched on or switched off power supply, realizes remote-controlled start-up or shutdown, when receiver was carried out the start operation, receiver sent the electromagnetic wave feedback signal of another frequency to remote control transmitter; In remote control transmitter, by receiving coil (L1), varactor (VD2), blocking capacitor (C2), frequency-selecting capacitor (C3) and bypass capasitor a (C4) constitute resonant circuit, regulate variable resistor (RP), make resonant circuit choose the feedback frequency signal of sending from receiver, through commutation diode a(VD3) and commutation diode b(VD4) carry out the multiplication of voltage lifting after, be input to triode a(VT1) base stage, make triode a(VT1) conducting, thereby make not gate a(IC1) input end be low level, output terminal is high level, the electric current of output terminal not gate a(IC1) is by current-limiting resistance b(R4) and light emitting diode (VD7) or character-writing tube hold to ground, light emitting diode (VD7) or character-writing tube are lighted, confirmed the remote-controlled start-up success; When receiver was carried out the remote-control closedown operation, receiver stopped to send electromagnetic wave signal to remote control transmitter, and light emitting diode (VD7) or the character-writing tube of remote control transmitter are extinguished, and confirmed the remote-control closedown success.Use bypass capasitor b (C5) and not gate a(IC1 in the circuit), can prevent that light emitting diode (VD7) or character-writing tube from being lighted by noise jamming, influence accuracy, wherein, bypass capasitor b (C5) plays anti-interference effect, not gate a(IC1) a low level gate action.
The utility model is used for the straighforward operation of commercial production, engineering construction, dangerous operation and daily life, makes the start of household electrical appliance or production equipment or shutdown, and can determine that whether household electrical appliance or production equipment are by the remote control success; Racing to be the first to answer a question in the activity of entertainment, use as wireless question-and-answer game apparatus, after the player races to be the first to answer a question successfully, show at player's question-and-answer game apparatus and the character of " congratulate you and race to be the first to answer a question success " except confirming to race to be the first to answer a question successfully, also to play the incentive action to the player.
The beneficial effects of the utility model are: a kind of wireless remote control emitter with receiving feedback information is provided, come the start of remote control home appliance or production equipment or shutdown, and can determine that whether household electrical appliance or production equipment are by the remote control success, the utility model is adapted at using in commercial production, engineering construction, dangerous operation and the daily life, further facilitates people's work and life.
Description of drawings
Fig. 1 is the wireless remote control emitter external view that a kind of hand-held of the present utility model has receiving feedback information.
Fig. 2 is a kind of desk-top wireless remote control emitter external view with receiving feedback information of the present utility model.
Fig. 3 is the internal circuit diagram with wireless remote control emitter of receiving feedback information of the present utility model.
Among the figure: 2a. pilot lamp, 2b. display window, 3. housing, 4. button, 5. panel, VD1. voltage stabilizing diode, VD2. varactor, VD3. commutation diode a, VD4. commutation diode b, VD5. commutation diode c, VD6. isolating diode, VD7. light emitting diode, RP. variable resistor, R1. current-limiting resistance a, R2. biasing resistor, R3. be close to road resistance, R4. current-limiting resistance b, R5. oscillation resistance, R6. current-limiting resistance c, C1. filter capacitor, C2. blocking capacitor, C3. frequency-selecting capacitor, C4. bypass capasitor a, C5. bypass capasitor b, C6. oscillating capacitor, VT1. triode a, VT2. triode b, IC1. not gate a, IC2. not gate b, IC3. not gate c, L1. receiving coil, L2. transmitting coil, X1. receiving antenna, X2. emitting antenna, SB. pushbutton switch, E. battery.
Embodiment
In embodiment 1 Fig. 1 and the embodiment shown in Figure 3, the wireless remote control emitter with receiving feedback information of hand-held is mainly by housing (3), pushbutton switch (SB), electronic component and circuit board are formed, wherein, the pin of electronic component and pushbutton switch (SB) is installed on the circuit board, circuit board is arranged in the housing (3), the button (4) of pushbutton switch (SB) stretches out from panel (5) middle and lower part of housing, on the top of panel (5) pilot lamp (2a) is set, pilot lamp (2a) is made of the luminophor of light emitting diode (VD7), and the pin of pilot lamp (2a) is connected on the circuit board; Circuit structure on the circuit board is: the negative pole of battery (E) is held with being connected to, the positive pole of battery (E) is by current-limiting resistance a(R1) be connected to the positive pole of filter capacitor (C1), the negative electrode of voltage stabilizing diode (VD1) and a stiff end of variable resistor (RP), the anode of the negative pole of filter capacitor (C1), voltage stabilizing diode (VD1) and another stiff end of variable resistor (RP) are held with being connected to; The movable end of variable resistor (RP) is connected to the negative electrode of varactor (VD2) and a pin of blocking capacitor (C2), and the anode of varactor (VD2) is held with being connected to; Another pin of blocking capacitor (C2) is connected to an end of receiving antenna (X1), receiving coil (L1), an end and the commutation diode a(VD3 of frequency-selecting capacitor (C3)) anode, the other end of the other end of receiving coil (L1) and frequency-selecting capacitor (C3) is connected to bypass capasitor a(C4) an end, bypass capasitor a(C4) the other end hold with being connected to; Commutation diode a(VD3) negative electrode is connected to commutation diode b(VD4) negative electrode and triode a(VT1) base stage, triode a(VT1) emitter is connected to commutation diode c(VD5) anode, commutation diode c(VD5) negative electrode and commutation diode b(VD4) anode hold with being connected to; Triode a(VT1) collector is connected to an end of biasing resistor (R2), an end and the not gate a(IC1 of bypass capasitor b (C5)) input end, the other end of biasing resistor (R2) is connected to the positive pole of battery (E), and the other end of bypass capasitor b (C5) is held with being connected to; Not gate a(IC1) output terminal is by current-limiting resistance b(R4) be connected to the anode of light emitting diode (VD7) or the anode of character-writing tube, the negative electrode of light emitting diode (VD7) or the negative electrode of character-writing tube are held with being connected to; The positive pole of battery (E) is connected on the moving contact contact of pushbutton switch (SB) simultaneously, the static contact contact of pushbutton switch (SB) is connected to an end and the not gate b(IC2 that is close to road resistance (R3)) input end, be close to the other end of road resistance (R3) and hold with being connected to; Not gate b(IC2) output terminal is connected to the anode of isolating diode (VD6), the negative electrode of isolating diode (VD6) is connected to an end of oscillating capacitor (C6), an end and the not gate c(IC3 of oscillation resistance (R5)) input end, the other end of oscillating capacitor (C6) is held with being connected to; The other end of output terminal not gate c(IC3) and oscillation resistance (R5) is connected to current-limiting resistance c(R6) an end, current-limiting resistance c(R6) the other end be connected to triode b(VT2) base stage, triode b(VT2) emitter hold with being connected to; Triode b(VT2) collector is connected to an end of emitting antenna (X2) and transmitting coil (L2), and the other end of transmitting coil (L2) is connected to the positive pole of battery (E).Not gate a(IC1), not gate b(IC2) and not gate c(IC3) share the cmos digital integrated circuit of a CD40106 hex inverter, present embodiment only uses three groups of not gates wherein, the vdd terminal of CD40106 hex inverter is connected to the positive pole of battery (E), the VSS end of CD40106 hex inverter end with being connected to, and the untapped CD40106 hex inverter input end of three groups of not gates is in addition held with being connected to.When present embodiment uses, when inoperation pushbutton switch (SB), not gate b(IC2) input end is low level, not gate b(IC2) output terminal output high level pin pierce circuit, make the blocking of oscillator; When clicking button when pushbutton switch (SB) is connected, not gate b(IC2) input end is high level, not gate b(IC2) output terminal is low level, make oscillator release starting of oscillation, the oscillator signal that oscillator produces is by triode b(VT2) amplify, launch remote signal by transmitting coil (L2) and emitting antenna (X2) to receiver then; When receiver is received remote signal, making the trigger circuit upset, carry out start or power-off operation; When receiver was carried out the start operation, receiver sent the electromagnetic wave feedback signal of another frequency to remote control transmitter; Remote control transmitter is chosen the wave frequency signal of sending from receiver, be input to triode a(VT1) base stage, make triode a(VT1) conducting, thereby make not gate a(IC1) input end be low level, output terminal is high level, light emitting diode (VD7) on the remote control transmitter is lighted, confirmed the remote-controlled start-up success; When clicking button again when pushbutton switch (SB) is connected, receiver receives that remote signal makes the trigger circuit upset, carries out power-off operation, when receiver is carried out the remote-control closedown operation, receiver stops to send electromagnetic wave signal to remote control transmitter, light emitting diode (VD7) or character-writing tube on the remote control transmitter are extinguished, confirm the remote-control closedown success.Present embodiment uses in commercial production, engineering construction, dangerous operation and daily life, by straighforward operation, make the start of household electrical appliance or production equipment or shutdown, light or extinguish to determine whether by remote control successfully household electrical appliance or production equipment by the pilot lamp of telepilot.In the present embodiment, the frequency of operation of remote control transmitter and receiver is selected between the 30-40MHz.
Embodiment 2 present embodiments are the desk-top wireless remote control emitter with receiving feedback information, in Fig. 2 and the embodiment shown in Figure 3, mainly by housing (3), pushbutton switch (SB), electronic component and circuit board are formed, wherein, the pin of electronic component and pushbutton switch (SB) is installed on the circuit board, circuit board is arranged in the housing (3), the button (4) of pushbutton switch (SB) stretches out from panel (5) middle and lower part of housing, on the top of panel (5) display window (2b) is set, in the display window (2b) character-writing tube is arranged, the pin of character-writing tube is connected on the circuit board; Circuit structure on the circuit board is identical with first embodiment, repeats no more here.Present embodiment is as the question-and-answer game apparatus utilization in the cultural and recreational activity, what show in the display window (2b) is the character of " congratulate you and race to be the first to answer a question success ", after the player races to be the first to answer a question successfully, " congratulate you and race to be the first to answer a question success " character at player's question-and-answer game apparatus display window (2b) is lighted, except confirming to race to be the first to answer a question successfully, also play the incentive action to the player.
In the above embodiments, the total voltage of battery (E) is 6V, the voltage of voltage regulation of voltage stabilizing diode (VD1) is 4.5V, VD2 selects the varactor of 2CB series for use, commutation diode a(VD3), commutation diode b(VD4), commutation diode c(VD5) and isolating diode (VD6) select the silicon rectifier diode of 1N4001 model for use, light emitting diode (VD7) is selected the high brightness LED of 5 millimeters of diameters for use, variable resistor (RP) is selected the variable resistor of 20K Ω for use, current-limiting resistance a(R1) selects the metalfilmresistor of 10K Ω/0.25W for use, biasing resistor (R2) is selected the metalfilmresistor of 15K Ω/0.25W for use, be close to road resistance (R3) and select the carbon resister of 300K Ω/0.25W for use, current-limiting resistance b(R4) selects the carbon resister of 4.7K Ω/0.25W for use, the metalfilmresistor of 1K Ω/0.25W that oscillation resistance (R5) is selected for use, current-limiting resistance c(R6) selects the carbon resister of 10K Ω/0.25W for use, filter capacitor (C1) is selected the electrolytic condenser of 47uF/16V for use, blocking capacitor (C2), bypass capasitor a(C4) and bypass capasitor b(C5) select the ceramic disc capacitor device of 0.01uF/25V for use, frequency-selecting capacitor (C3) is selected the ceramic disc capacitor device of 20pF/25V for use, oscillating capacitor (C6) is selected the ceramic disc capacitor device of 20pF/25V for use, triode a(VT1) and triode b(VT2) select the Technitron of 3DG122 for use, receiving coil (L1) silver jacketed wire of diameter 1.25mm, diameter 10mm long on the shortwave bar magnet of 3cm around 10 circles, transmitting coil (L2) is 6 air core coils that enclose with the enameled wire coiled diameter of diameter 1mm for the 10mm number of turns.
Claims (3)
1. wireless remote control emitter with receiving feedback information, it is characterized in that wireless remote control emitter is mainly by housing (3), pushbutton switch (SB), electronic component and circuit board are formed, wherein, the pin of electronic component and pushbutton switch (SB) is installed on the circuit board, circuit board is arranged in the housing (3), the button (4) of pushbutton switch (SB) stretches out from panel (5) middle and lower part of housing, pilot lamp (2a) or display window (2b) are set on the top of panel (5), and the character-writing tube pin in the pin of pilot lamp (2a) or the display window (2b) is connected on the circuit board; Circuit structure on the circuit board is:
The negative pole of battery (E) is held with being connected to, and the positive pole of battery (E) is connected to a stiff end of variable resistor (RP), and another stiff end of variable resistor (RP) is held with being connected to; The movable end of variable resistor (RP) is connected to the negative electrode of varactor (VD2) and a pin of blocking capacitor (C2), and the anode of varactor (VD2) is held with being connected to; Another pin of blocking capacitor (C2) is connected to an end of receiving antenna (X1), receiving coil (L1), an end and the commutation diode a(VD3 of frequency-selecting capacitor (C3)) anode, the other end of the other end of receiving coil (L1) and frequency-selecting capacitor (C3) is connected to bypass capasitor a(C4) an end, bypass capasitor a(C4) the other end hold with being connected to; Commutation diode a(VD3) negative electrode is connected to commutation diode b(VD4) negative electrode and triode a(VT1) base stage, triode a(VT1) emitter is connected to commutation diode c(VD5) anode, commutation diode c(VD5) negative electrode and commutation diode b(VD4) anode hold with being connected to; Triode a(VT1) collector is connected to an end of biasing resistor (R2), an end and the not gate a(IC1 of bypass capasitor b (C5)) input end, the other end of biasing resistor (R2) is connected to the positive pole of battery (E), and the other end of bypass capasitor b (C5) is held with being connected to; Not gate a(IC1) output terminal is by current-limiting resistance b(R4) be connected to the anode of light emitting diode (VD7) or the anode of character-writing tube, the negative electrode of light emitting diode (VD7) or the negative electrode of character-writing tube are held with being connected to; The positive pole of battery (E) is connected on the moving contact contact of pushbutton switch (SB) simultaneously, the static contact contact of pushbutton switch (SB) is connected to an end and the not gate b(IC2 that is close to road resistance (R3)) input end, be close to the other end of road resistance (R3) and hold with being connected to; Not gate b(IC2) output terminal is connected to the anode of isolating diode (VD6), the negative electrode of isolating diode (VD6) is connected to an end of oscillating capacitor (C6), an end and the not gate c(IC3 of oscillation resistance (R5)) input end, the other end of oscillating capacitor (C6) is held with being connected to; The other end of output terminal not gate c(IC3) and oscillation resistance (R5) is connected to current-limiting resistance c(R6) an end, current-limiting resistance c(R6) the other end be connected to triode b(VT2) base stage, triode b(VT2) emitter hold with being connected to; Triode b(VT2) collector is connected to an end of emitting antenna (X2) and transmitting coil (L2), and the other end of transmitting coil (L2) is connected to the positive pole of battery (E).
2. a kind of wireless remote control emitter with receiving feedback information according to claim 1 is characterized in that constituting pilot lamp (2a) by the luminophor of light emitting diode (VD7).
3. a kind of wireless remote control emitter with receiving feedback information according to claim 1, it is characterized in that current-limiting resistance a(R1 is arranged in the circuit structure), voltage stabilizing diode (VD1) and filter capacitor (C1), the positive pole of battery (E) is by current-limiting resistance a(R1) be connected to the positive pole of filter capacitor (C1), the negative electrode of voltage stabilizing diode (VD1) and a stiff end of variable resistor (RP), the anode of the negative pole of filter capacitor (C1), voltage stabilizing diode (VD1) and another stiff end of variable resistor (RP) are held with being connected to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320070742 CN203038454U (en) | 2013-02-07 | 2013-02-07 | Wireless remote control transmitter with function of receiving feedback information |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320070742 CN203038454U (en) | 2013-02-07 | 2013-02-07 | Wireless remote control transmitter with function of receiving feedback information |
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| Publication Number | Publication Date |
|---|---|
| CN203038454U true CN203038454U (en) | 2013-07-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320070742 Withdrawn - After Issue CN203038454U (en) | 2013-02-07 | 2013-02-07 | Wireless remote control transmitter with function of receiving feedback information |
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| CN (1) | CN203038454U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103093603A (en) * | 2013-02-07 | 2013-05-08 | 衢州昀睿工业设计有限公司 | Wireless remote control transmitter with function of receiving feedback information |
| CN111381190A (en) * | 2020-03-02 | 2020-07-07 | 优利德科技(中国)股份有限公司 | Novel digital network line searching device and method |
-
2013
- 2013-02-07 CN CN 201320070742 patent/CN203038454U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103093603A (en) * | 2013-02-07 | 2013-05-08 | 衢州昀睿工业设计有限公司 | Wireless remote control transmitter with function of receiving feedback information |
| CN111381190A (en) * | 2020-03-02 | 2020-07-07 | 优利德科技(中国)股份有限公司 | Novel digital network line searching device and method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130703 Effective date of abandoning: 20140625 |
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| RGAV | Abandon patent right to avoid regrant |