CN103568951B - The camera lens control monitor unit of electric wireline - Google Patents
The camera lens control monitor unit of electric wireline Download PDFInfo
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- CN103568951B CN103568951B CN201210281783.6A CN201210281783A CN103568951B CN 103568951 B CN103568951 B CN 103568951B CN 201210281783 A CN201210281783 A CN 201210281783A CN 103568951 B CN103568951 B CN 103568951B
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- electric wireline
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Abstract
A camera lens control monitor unit for electric wireline, is be installed in vehicle, comprises: a cable, is inside located in vehicle, and it is electrically connected the electric system of vehicle, forms one first electric wireline; One first camera lens is positioned at vehicle-surroundings, and captures one first image signal; One radio frequency transmitter is electrically connected the first camera lens in input end, is electrically connected the first electric wireline again in mouth, by radio frequency transmitter, the first image signal is sent to the first electric wireline; One screen main frame is positioned at vehicle, shows the first image signal; One radio frequency receiver is electrically connected the first electric wireline in input end, is electrically connected screen main frame again in mouth.Lens shooting object is formed image signal by the present invention, electric wireline produces its carrier wave, make image signal can with radio frequency signal to wire cable line, transfer to screen main frame again, image signal can be reduced noise and transmit, and then camera lens control monitor unit have the double effects of electric power and transmission image signal.
Description
Technical field
The present invention is the camera lens control monitor unit about a kind of electric wireline, espespecially utilize single electric wireline integrating power supply and the signal of vehicle, complicated distribution is simplified, make I&M more simple and reduce costs, also can realize vehicle and must install camera lens control monitor unit, strengthen the safety travelled.
Background technology
Shown in Fig. 1, usual vehicle 80 is when moveing backward, its driver need be dependent on back mirror 81, and carry out the detecting of rear object, concerning driver, there is suitable difficulty, except wanting excellent driving technique, more to note surrounding environment, especially in the dead aft of vehicle, the dead angle not easily discovered of driver often, visual angle, driver rear is difficult to extend left and right sides again.
Secondary person, this vehicle 80, nothing more than having Combination Truck Tractor-trailer, truck etc., is drawn and mobile counter 802 by tractor truck 801, allows this driver be difficult to control, and because of transport consideration, tractor truck 801 and counter 802 need be separated, as the problems referred to above, make the transmission line of electric power or signal, more be difficult to distribution, this vehicle 80 front and back ends also has suitable distance again, and even is installed on camera lens control monitor unit, is namely not easily implemented on this vehicle 80.
For simplification distribution complexity and avoid wireless signal disturb below the present invention, and promote camera lens control monitor unit stability, reduce distribution cost and cooperation separation trailer 801 and counter 802 is inquired into and illustrates.
So look into, the problem of object and collision free is detected for this vehicle 80, and then install this camera lens control monitor unit, such as USPatentNo.5,680, case before No. 123 patents, as shown in Figure 2, multiple camera lens 82 installed by this vehicle 80, carry out the monitoring of A, B, C block, and be shown in the screen main frame (not shown) in this tractor truck 801, and this screen main frame carries out picture switching, but this vehicle 80 structure and demand and this camera lens control monitor unit are not integrated, and have not attain as follows and improve part:
One, between the screen main frame of this camera lens control monitor unit and many camera lenses, its electric power, signal all need several electric wires and cable to transmit, and this vehicle 80 has complicated electric power system (not shown), make installation camera lens control monitor unit more difficult.
Two, when the tractor truck 801 of this vehicle and counter 802 are separated, and be installed between this screen main frame and many camera lenses and configure several electric wires, must disassemble, make forward and backward correlativity too high and cannot individual module, again in both sides installing camera lens 82, but say as above-mentioned, increase distribution complexity and cost, allow this camera lens control monitor unit be difficult to universalness.
Three, for the problems referred to above point, also there is dealer to disclose or propose improvement, such as USPatentNo.6, case before 995, No. 687 patents, as shown in Figure 3; But look into, above-mentioned patent mainly wireless radio frequency transmission mode will simplify distribution, allow the camera lens control monitor unit not only transmission signal of front and back ends, again can individual module, but this kind of wireless telecommunications must consider following points:
1. counter 802 length of this vehicle 80 is inconsistent, makes to be installed in the receptor 83 of this tractor truck 801 and the forwarder 84 of this counter 802, cannot uniform transmission distance, and then affect RF signal S 80, S83 and S84 power stability.
2. when forwarder 84 and receptor 83 radio signal transmission, because of this counter volume size, make RF signal S 80, S83 and S84 have in space decentralized signal and and noise jamming, therefore when designing radio frequency transmitter 84, receptor 83 module, cannot consider that counter 802 is uncertain.
3. easily there is interference onboard and produce noise in transmission over radio, and match code between different vehicle and have repeatability, adds that again various countries' regulation defined frequency differs, make signal cannot complete transmission to destination.
Comprehensively above-mentioned, if power supply and signal between this screen main frame and this camera lens can be integrated with single cable, simplify distribution complexity, and with the cable of this vehicle 80 itself, then make electric power can provide the power supply of this camera lens control monitor unit, in other words, wireless and wired integration also can be connected in series signal, make the radiofrequency signal between this forwarder 84 and this receptor 83, be incorporated in this cable, and then reduction distribution is complicated and noise jamming, there is again multi-level modularity simultaneously, if wirelessly, reduce the distribution of transmission signal, make this forwarder 84, between this receptor 83 and this cable, then be easy to installing and disassemble and there is portability, for little modularity, if in a wired fashion, this tractor truck 801 and wired cable junction of this counter 802, be more provided with one group of cable adapter, and be easily separated this forwarder 84 and this receptor 83, then not affecting this counter 802 of this tractor truck 801 and be separated, is large modularity, therefore, still space is improved.
Therefore how for the problem points of above-mentioned existing camera lens control monitor unit, improved, be the problem of the present invention for solving.
Summary of the invention
Technical problem underlying to be solved by this invention is, overcome the above-mentioned defect that prior art exists, and a kind of camera lens control monitor unit of electric wireline is provided, its with single electric wireline in conjunction with power supply and signal, and simplify distribution, be easy to install and disassemble, there is modularity, do not affect tractor truck and counter separation, electric wireline is allowed to have integrating power supply, signal and modular effect, utilize single electric wireline, wireless signal is connected in series with wired signal, set up noise-free passage, and then improving stability, when less radio-frequency module design, electric wireline specification need only be considered, other environmental factor need not be considered, allow and transmit and the power received, matching can be had.
The technical solution adopted for the present invention to solve the technical problems is:
The technological means of the camera lens control monitor unit of electric wireline of the present invention comprises:
One cable, be inside located in this vehicle, it is electrically connected the electric system of this vehicle, forms one first electric wireline; One first camera lens, is positioned at this vehicle-surroundings, and captures one first image signal; One radio frequency transmitter, is electrically connected this first camera lens in input end, is electrically connected this first electric wireline again, this first image signal is sent to this first electric wireline by this radio frequency transmitter in mouth; One screen main frame, is positioned at this vehicle, and shows this first image signal; And a radio frequency receiver, be electrically connected this first electric wireline in input end, be electrically connected this screen main frame in mouth again, and be medium by this first electric wireline, receive this radio frequency transmitter and transmit this first image signal to this screen main frame; Whereby, this first electric wireline produces its carrier wave, makes the first image signal with radio frequency signal to wire cable line, then can transfer to this screen main frame.
According to preceding feature of the present invention, this radio frequency transmitter is more electrically connected one second camera lens, and capture one second image signal, and be embedded in the back-mirror housing of this vehicle, this first electric wireline is more electrically connected one second electric wireline, and this second electric wireline is more electrically connected a drive recorder further, and this drive recorder is more electrically connected a three-lens, and capture one the 3rd image signal, and be arranged at this vehicle front.
Again, this radio frequency transmitter is more provided with one first circuit module, this first circuit module has a modulator, one first oscillator, one first op amp and one first electric capacity, this first image signal or this second image signal modulation are become high-frequency signal by this modulator, cycle string ripple signal is produced again through this first oscillator, with this first op amp, signal is amplified to this first electric capacity again, and carries out signal coupling to this first electric wireline with this first electric capacity.
Another, this first electric wireline, with parallel way, more comprises electric connection one first pulse width modulation and one second pulse width modulation, and carries out the control of voltage, and service voltage is in the power supply of this first camera lens or this second camera lens and this first circuit module.
Again, this radio frequency receiver is more provided with a second circuit module, this second circuit module has a demoder, one frequency mixer, one second oscillator, one surface wave filter, one second op amp, one the 3rd op amp, one four-operational amplifier and one second electric capacity, this the first power line transmission high-frequency signal, signal coupling is carried out by this second electric capacity, signal is amplified again through this second op amp, cycle string ripple signal is produced again with this second oscillator, signal and string ripple signal will be amplified simultaneously, synthesize via this frequency mixer, form medium frequency signal, then the 3rd op amp amplifies signal, and by this surface wave filter filtered noise, signal is amplified to this demoder again by this four-operational amplifier, this demoder is made to be this first image signal or this second image signal by medium frequency signal receiving, and then be transmitted in this screen main frame.
Again one, this first electric wireline, with parallel way, is electrically connected one the 3rd pulse width modulation and one the 4th pulse width modulation, and carries out the control of voltage, and service voltage is in the power supply of this screen main frame and this second circuit module.
In addition, this first electric wireline is more provided with one first cable junction and one second cable junction.
By above-mentioned technological means, the camera lens control monitor unit that the present invention is able to electric wireline reaches the problem points effectively improving prior art, this radio frequency receiver and this radio frequency transmitter is electrically connected with this first electric wireline, again with pulse width modulation, make electric power through this camera lens control monitor unit, this first electric wireline is utilized again to make wireless and wiredly to set up passage to be connected in series signal, as set up an express highway, in other words, by this first circuit module by high-frequency signal, by this first power line transmission to this second circuit module, avoid noise jamming, and then the stability of bont, when this radio frequency receiver and the design of this radio frequency transmitter, electric wireline specification need only be considered, other environmental factor need not be considered, and then the power transmitting and receive, there is effect of coupling.
The invention has the beneficial effects as follows, its with single electric wireline in conjunction with power supply and signal, and simplify distribution, be easy to install and disassemble, there is modularity, do not affect tractor truck and counter separation, allow electric wireline have integrating power supply, signal and modular effect, utilize single electric wireline, wireless signal is connected in series with wired signal, set up noise-free passage, and then improving stability, when less radio-frequency module design, electric wireline specification need only be considered, other environmental factor need not be considered, allow and transmit and the power received, can matching be had.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the schematic diagram of existing vehicle mirrors monitoring.
Fig. 2 is the schematic diagram of the camera lens control monitor unit of existing vehicle wire transmission.
Fig. 3 is the schematic diagram of the camera lens control monitor unit of existing vehicle wireless transmission.
Fig. 4 is the schematic diagram of the camera lens control monitor unit of electric wireline of the present invention.
Fig. 5 is the circuit block diagram of the camera lens control monitor unit of electric wireline of the present invention.
Fig. 6 is the circuit block diagram of radio frequency transmitter of the present invention.
Fig. 7 is the circuit block diagram of radio frequency receiver of the present invention.
Fig. 8 is that camera lens of the present invention is embedded in back-mirror housing.
Fig. 9 is the schematic diagram of the camera lens control monitor unit of electric wireline of the present invention.
Number in the figure illustrates:
10 vehicles
101 tractor trucks
102 counters
11 cables
12 electric system
13 first electric wireline
20 first camera lenses
21 first image signals
22 first objects
23 second camera lenses
24 second image signals
25 second objects
30 radio frequency transmitters
31 first circuit module
311 modulators
312 first oscillators
313 first op amps
314 first electric capacity
315 high-frequency signals
32 first pulse width modulations
33 second pulse width modulations
40 screen main frames
50 radio frequency receivers
51 second circuit modules
511 demoders
512 frequency mixers
513 second oscillators
514 surface wave filters
515 second op amps
516 the 3rd op amps
517 four-operational amplifiers
518 second electric capacity
519 medium frequency signals
52 the 3rd pulse width modulations
53 the 4th pulse width modulations
60 radiofrequency signals
61 signal couplings
70 first cable junctions
71 second cable junctions
90 second electric wireline
91 drive recorders
92 three-lens
93 the 3rd image signals
94 third bodies
Detailed description of the invention
First, refer to shown in Fig. 4, the camera lens control monitor unit of espespecially a kind of electric wireline of the present invention, preferred embodiment comprises:
Be installed in vehicle 10, comprise: a cable 11, be installed in this vehicle 10, it is electrically connected the electric system 12 of this vehicle 10, form an electric wireline 13, in the present embodiment, this vehicle 10 can be Combination Truck Tractor-trailer, but not as limit, tractor truck 101 and counter 102 can decompose, further, be this tractor truck 101 and this first electric wireline 13 junction of this counter 102, be more provided with one first cable junction 70 and one second cable junction 71.
Hold, in the present embodiment, these the first electric wireline 13 two ends are electrically connected radio frequency transmitter 30 and a radio frequency receiver 50 respectively, by above-mentioned cable junction 70,71, do not affect this counter 102 of this tractor truck 101 to be separated, make this radio frequency transmitter 30 and this radio frequency receiver 50 installation position, reduce correlativity and promote independence.
Shown in Fig. 5, one screen main frame 40, one first camera lens 20 and lay respectively in this vehicle 10 and periphery, this radio frequency transmitter 30 input end is electrically connected this first camera lens 20, this the first electric wireline 13 is electrically connected again in mouth, simultaneously, this radio frequency receiver 50 input end is electrically connected this first electric wireline 13, this screen main frame 40 is electrically connected again in mouth, this first electric wireline 13 is made to supply power supply to this radio frequency transmitter 30 and this radio frequency receiver 50, carry out radiofrequency signal 60 to transmit, but also make this first camera lens 20, and the power supply of this screen main frame 40 has electric power.
Again, this first camera lens 20 is arranged at this shooting dead aft one first, vehicle 10 rear end object 22, and capture one first image signal 21, further, this radio frequency transmitter 30 is more electrically connected one second camera lens 23 and takes one second object 25, and capture one second image signal 24, and be embedded in the back-mirror housing 103 of this vehicle 10, in other words, this radio frequency transmitter 30 can be fixed on optimum position according to above-mentioned different lens location, make the length optimization of this first electric wireline 13, this first image signal 21 or this second image signal 24 are sent to this first electric wireline 13 by this radio frequency transmitter 30, and be medium by this first electric wireline 13, receive this radio frequency transmitter 30 transmit this first image signal 21 or this second image signal 24 to this screen main frame 40.
Hold, in the present embodiment, this first electric wireline 13 is more electrically connected one second electric wireline 90, this second electric wireline 90 is more electrically connected a drive recorder 91 further, this drive recorder 91 is more electrically connected a three-lens 92, and take a third body 93 with this three-lens 92 and capture one the 3rd image signal 93 to this screen main frame 90 and video recording to this drive recorder 91.And this first electric wireline 13 is electrically connected with this second electric wireline 90, makes this first image signal 21 or this second image signal 24 be sent to this second electric wireline 90, and video recording is to this drive recorder 91.
As shown in Figure 6, this radio frequency transmitter 30 circuit layout is a possible embodiments, but not as limit.This radio frequency transmitter 30 is more provided with one first circuit module 31, this first circuit module 31 has a modulator 311, one first oscillator 312, one first op amp 313 and one first electric capacity 314, this first image signal 21 or this second image signal 24 modulation are become high-frequency signal 315 by this modulator 311, cycle string ripple signal is produced again through this first oscillator 312, with this first op amp 313, signal is amplified to this first electric capacity 314 again, and carry out signal coupling 61 to this first electric wireline 13 with this first electric capacity 314, the radiofrequency signal 60 forming this radio frequency transmitter 30 can load on this first electric wireline 13 and transmit.
Again, for power transmission, this first electric wireline 13 is with parallel way, to be electrically connected one first pulse width modulation 32 and one second pulse width modulation 33, give this first circuit module 31 voltage five volts (V) and 200 two volts, this first camera lens (V) respectively, and carry out the control of voltage, and service voltage is in the power supply of this first camera lens 20 with this first circuit module 31.
As shown in Figure 7, this radio frequency receiver 50 circuit layout is a possible embodiments, but not as limit.This radio frequency receiver 50 is more provided with a second circuit module 51, this second circuit module 51 has a demoder 511, one frequency mixer 512, one second oscillator 513, one surface wave filter 514, one second op amp 515, one the 3rd op amp 516, one four-operational amplifier 517 and one second electric capacity 518, radiofrequency signal 60 is transmitted by this first electric wireline 13 above-mentioned, signal coupling 61 is carried out by this second electric capacity 518, signal is amplified again through this second op amp 515, cycle string ripple signal is produced again with this second oscillator 513, signal and string ripple signal will be amplified simultaneously, synthesize via this frequency mixer 512, form medium frequency signal 519, then the 3rd op amp 516 amplifies signal, and by this surface wave filter 514 filtered noise, signal is amplified to this demoder 511 again by this four-operational amplifier 517, this demoder 511 is made to allow medium frequency signal 519 be demodulated into this first image signal 21 or this second image signal 24, and then be transmitted in this screen main frame 10.
Again one, for power transmission, this first electric wireline 13 is with parallel way, more comprise electric connection 1 the 3rd pulse width modulation 52 and one the 4th pulse width modulation 53, give this second circuit module 51 voltage five volts (V) and 400 two volts, this screen main frame (V) respectively, and carry out the control of voltage, and service voltage is in the power supply of this screen main frame 40 with this second circuit module 51.
As shown in Fig. 8 ~ Fig. 9, in the present embodiment, with many camera lenses monitoring round of vehicle environment, be arranged at rear vehicle end respectively by the first camera lens 20, this second camera lens 23 and three-lens 93, be embedded in back mirror 103 housing and vehicle 10 front end, the monitoring of A, B block and the monitoring of dead ahead D block is extended to about forming dead aft C block monitoring, visual angle, rear, the image signal of object captured by above-mentioned each camera lens can be recorded a video in this drive recorder 91, make driver's recording traffic accident, differentiate the ownership of responsibility, driver can be felt at ease to drive.
Comprehensively above-mentioned, please consult Fig. 5 ~ Fig. 9 more simultaneously, the present invention transmits image signal in order to by electric wireline Principle of Communication, this first electric wireline 13 is electrically connected this electric system 12, present power line status, by R & D design first, two circuit module 30, 50, make this first camera lens 20 or the second camera lens 23 detect this first image signal 21 or this second image signal 24 of object 22, this the first electric wireline 13 can be loaded on high-frequency signal 315 through modulation, again this first image signal 21 or this second image signal 24 are got off from this first electric wireline 13 demodulation, coordinate the first pulse width modulation to the 4th pulse width modulation 32 simultaneously, 33, 52, 53, change this first electric wireline 13 output voltages to the first, two circuit module 30, 50, first camera lens 20 or the second camera lens 23 and screen main frame 40, but pulse width modulation technology and power line communication principle, non-this case patent object, hold and do not repeat.
Based on formation like this, single electric wireline integrates each power supply of camera lens control monitor unit, wireless signal and wired signal, makes camera lens control monitor unit have electric power and transmission image signal, allows the single electric wireline of each configurations of lenses, make arbitrary camera lens can be arranged at this vehicle 10 any position, and monitoring object around.
By above-mentioned technological means, the camera lens control monitor unit of electric wireline of the present invention effectively improves the problem points of prior art, and it has following effect and need illustrate again:
One. the present invention utilizes single electric wireline to complete the serial connection of wireless and wired signal, forms noiseless image signal 21 transmission path, and reduces audio-visual transmission line.
Two. the present invention utilizes single electric wireline and coordinates pulse width modulation technology, stable power supply voltage being output in each electronics package, and reduces power lead, is provided with one group of cable adapter 70,71 simultaneously, coordinates the separation of vehicle 10.
Three. again one, two main points are combined, single electric wireline integrating power supply and signal, simplify distribution complicated, and present multi-level modularity, if with radio point, between camera lens control monitor unit and single electric wireline, then being easy to installing and disassembling and have portability, is little modularity; If with wired viewpoint, be provided with one group of cable adapter 70,71, then this camera lens control monitor unit does not affect this counter 102 of this tractor truck 101 and is separated, and is large modularity.
Four. less radio-frequency module design transmits and the power match received, and need not consider other environmental factor, need only consider this first electric wireline 13 specification, shortens the time of research and development and reduces cost, and can carry out volume production.
Five. for present commercially available many camera lenses drive recorder, left and right is installed and is not only bothered, and unsightly.And the installation addresses of camera lens considers power supply and object, wiring not easily.Existing commercial many camera lenses drive recorder, left and right camera lens is mostly arranged on car side, below front guarantor's bar both sides or lappet two side or exterior mirror.And this has difficult wiring and problem attractive in appearance.If but adopt the present invention, only camera lens need be arranged on below exterior mirror 103, and image signal and power supply are received the first electric wireline 13 sending end, and by the original circuit of vehicle 10, can image signal be received at the second electric wireline 90 receiving end of drive recorder 91 body and record a video.Which solves current drive recorder about 91 camera lens installation problem not easily.Not only attractive in appearance, and the doubt not easily having collision because exposing and leak.Whereby, the present invention integrates one ~ five points, taken in by research and development, construction and time, allow difficulty of construction reduce and reduce the engineering time, not only solve distribution, the problem simultaneously also significantly reduced costs, is easily implemented in this vehicle 10, not simple addition function, but there is mutually auxiliary effect be multiplied.
The above, it is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, every above embodiment is done according to technical spirit of the present invention any simple modification, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
In sum, the present invention is in structure design, use practicality and cost benefit, meet completely needed for industry development, and the structure disclosed also is have unprecedented innovative structure, there is novelty, creativeness, practicality, meet the regulation of Invention patent requirement, therefore mention application in accordance with the law.
Claims (9)
1. a camera lens control monitor unit for electric wireline, is characterized in that, is be installed in vehicle, comprises:
One cable, be inside located in this vehicle, it is electrically connected the electric system of this vehicle, forms one first electric wireline;
One first camera lens, is positioned at this vehicle-surroundings, and captures one first image signal;
One radio frequency transmitter, this the first camera lens is electrically connected in input end, this the first electric wireline is electrically connected again in mouth, this first image signal is sent to this first electric wireline by this radio frequency transmitter, this radio frequency transmitter is more provided with one first circuit module, this first circuit module has a modulator, one first oscillator, one first op amp and one first electric capacity, this the first image signal modulation is become high-frequency signal by this modulator, cycle string ripple signal is produced again through this first oscillator, with this first op amp, signal is amplified to this first electric capacity again, and carry out signal coupling to this first electric wireline with this first electric capacity,
One screen main frame, is positioned at this vehicle, and shows this first image signal;
One radio frequency receiver, is electrically connected this first electric wireline in input end, is electrically connected this screen main frame again in mouth, and is medium by this first electric wireline, receives this radio frequency transmitter and transmits this first image signal to this screen main frame;
Whereby, this first electric wireline produces its carrier wave, makes the first image signal with radio frequency signal to wire cable line, then can transfer to this screen main frame.
2. the camera lens control monitor unit of electric wireline according to claim 1, is characterized in that, described first camera lens is arranged at this rear vehicle end.
3. the camera lens control monitor unit of electric wireline according to claim 1, is characterized in that, described radio frequency transmitter is more electrically connected one second camera lens, and captures one second image signal, and is embedded in the back-mirror housing of this vehicle.
4. the camera lens control monitor unit of electric wireline according to claim 1, is characterized in that, described first electric wireline is more electrically connected one second electric wireline, and this second electric wireline is more electrically connected a drive recorder further.
5. the camera lens control monitor unit of electric wireline according to claim 4, is characterized in that, described drive recorder is more electrically connected a three-lens, and captures one the 3rd image signal, and is arranged at this vehicle front.
6. the camera lens control monitor unit of electric wireline according to claim 1, it is characterized in that, described first electric wireline is with parallel way, more comprise electric connection one first pulse width modulation and one second pulse width modulation, and carry out the control of voltage, and service voltage is in the power supply of this first camera lens and this first circuit module.
7. the camera lens control monitor unit of electric wireline according to claim 6, it is characterized in that, described radio frequency receiver is more provided with a second circuit module, this second circuit module has a demoder, one frequency mixer, one second oscillator, one surface wave filter, one second op amp, one the 3rd op amp, one four-operational amplifier and one second electric capacity, this the first power line transmission high-frequency signal, signal coupling is carried out by this second electric capacity, signal is amplified again through this second op amp, cycle string ripple signal is produced again with this second oscillator, signal and string ripple signal will be amplified simultaneously, synthesize via this frequency mixer, form medium frequency signal, then the 3rd op amp amplifies signal, and by this surface wave filter filtered noise, signal is amplified to this demoder again by this four-operational amplifier, this demoder is made to be this first image signal by medium frequency signal receiving, and then be transmitted in this screen main frame.
8. the camera lens control monitor unit of electric wireline according to claim 7, it is characterized in that, described first electric wireline is with parallel way, be electrically connected one the 3rd pulse width modulation and one the 4th pulse width modulation, and carry out the control of voltage, and service voltage is in the power supply of this screen main frame and this second circuit module.
9. the camera lens control monitor unit of electric wireline according to claim 8, is characterized in that, described first electric wireline is more provided with one first cable junction and one second cable junction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210281783.6A CN103568951B (en) | 2012-08-09 | 2012-08-09 | The camera lens control monitor unit of electric wireline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210281783.6A CN103568951B (en) | 2012-08-09 | 2012-08-09 | The camera lens control monitor unit of electric wireline |
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| Publication Number | Publication Date |
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| CN103568951A CN103568951A (en) | 2014-02-12 |
| CN103568951B true CN103568951B (en) | 2015-12-16 |
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| CN201210281783.6A Expired - Fee Related CN103568951B (en) | 2012-08-09 | 2012-08-09 | The camera lens control monitor unit of electric wireline |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM313829U (en) * | 2007-01-05 | 2007-06-11 | Jin-Tang Chen | Warning system for drivers without a transmission line |
| CN101523749A (en) * | 2006-09-29 | 2009-09-02 | 三菱电机株式会社 | Power line communication device |
| TWM392773U (en) * | 2010-05-21 | 2010-11-21 | Fortune Prec Technology Co Ltd | Auxiliary apparatus with panoramic viewing and recording for car driving |
| CN102514531A (en) * | 2011-12-28 | 2012-06-27 | 东南大学 | Vehicle-mounted real-time panorama monitoring and recording system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPWO2007138645A1 (en) * | 2006-05-25 | 2009-10-01 | 三菱電機株式会社 | Auxiliary power supply for vehicle |
-
2012
- 2012-08-09 CN CN201210281783.6A patent/CN103568951B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101523749A (en) * | 2006-09-29 | 2009-09-02 | 三菱电机株式会社 | Power line communication device |
| TWM313829U (en) * | 2007-01-05 | 2007-06-11 | Jin-Tang Chen | Warning system for drivers without a transmission line |
| TWM392773U (en) * | 2010-05-21 | 2010-11-21 | Fortune Prec Technology Co Ltd | Auxiliary apparatus with panoramic viewing and recording for car driving |
| CN102514531A (en) * | 2011-12-28 | 2012-06-27 | 东南大学 | Vehicle-mounted real-time panorama monitoring and recording system |
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| CN103568951A (en) | 2014-02-12 |
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