CN1750649A - Wired and wireless two-in-one camera head - Google Patents
Wired and wireless two-in-one camera head Download PDFInfo
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Abstract
This invention discloses a wireless and cable integrated camera head, which contains local video signal sampling module and signal process module set in local monitor position, remote video signal sampling modulate and wireless transmission module set in remote monitor position, wherein the remote video signal sampling module and local video signal sampling module are all used for sampling outdoor video image, wireless transmission module transmitting video image in definite frequency, wireless receiving module receiving transmitted wireless signal, signal process module having video signal input interface and respectively processing two channels signal and converting into the signal can be transmitted in PC, then outputting.
Description
Technical field
The present invention relates to a kind of camera head, particularly a kind of wired and wireless two-in-one camera.
Technical background
Along with continuous progress in science and technology, camera is more and more universal in the application in each field.
Common camera generally comprises imageing sensor and signal processing module at present, wherein imageing sensor is used to gather external image, and the image video signal of output Bayer form, signal processing module is used for converting this image video signal to be used in the PC demonstration signal format, and outputs to PC by USB interface.And, generally comprise image sensor interface, system control unit, viewdata signal processing unit and USB device control unit etc. in the signal processing module.Be provided with the iic bus controller in the image sensor interface, be used to read and write the imageing sensor register, thereby according to the work of the commands for controlling imageing sensor of system control unit.Wherein also be provided with the imageing sensor clock generator, be used to provide the clock of imageing sensor needs.Also comprise a synchronous generator in addition, be used for, and the input channel of the image video signal of imageing sensor is provided to imageing sensor output synchronizing signal.
Certainly, the camera that also has can be gathered audio signal, and its structure is to increase audio collection and processing module, and increases audio coder in signal processing module, thereby the audio signal after will encoding outputs to PC by USB interface.
As seen by above-mentioned, the camera of this prior art all is directly to use USB (being called for short USB) line to be connected on computer (the being called for short PC) machine.There are problems in the camera that connects with above-mentioned annexation in structure and use, at first, must there be connecting line to connect between above-mentioned prior camera and the graphic display terminal, therefore carrying out the equipment connection, when especially camera and display terminal have certain distance, carry out above-mentioned equipment and just connect very inconvenience; Secondly, existing display terminal is one of PC display or monitor; Have, display terminal can only monitor the image from a camera in the prior art again.
This shows that above-mentioned prior camera obviously still has inconvenience and defective, and demands urgently further being improved in structure and use.In order to solve the problem that camera exists, relevant manufacturer there's no one who doesn't or isn't seeks solution painstakingly, but do not see always that for a long time suitable design finished by development, and common product does not have appropriate structure to address the above problem, this obviously is the problem that the anxious desire of relevant dealer solves.
Because the defective that above-mentioned prior camera exists, the inventor is based on being engaged in this type of product design manufacturing abundant for many years practical experience and professional knowledge, and the utilization of cooperation scientific principle, actively studied innovation, in the hope of founding a kind of wireless camera of new structure, can improve general prior camera, make it have more practicality.Through constantly research, design, and after studying sample and improvement repeatedly, create the present invention who has practical value finally.
Summary of the invention
The objective of the invention is: at the deficiencies in the prior art, provide a kind of and promptly can gather, also can gather the remote image signal, thereby have the camera of wired and wireless two-in-one function local image signal.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is: a kind of wired and wireless two-in-one camera, comprise the local video signal acquisition module that is arranged at the local monitor position and be arranged at local signal processing module, comprise viewdata signal processing unit, system control unit and signal output interface in the wherein said signal processing module.Also comprise the remote video signal acquisition module and the wireless transmitter module that are arranged at remote monitoring location, and be arranged at local wireless receiving module, wherein,
Described remote video signal acquisition module and local video signal acquisition module all are used to gather the external image video;
Described wireless transmitter module is used for the image video signal in the remote monitoring location collection is carried out wireless signal transmission with certain frequency;
Described wireless receiving module is used to receive the wireless signal from described wireless transmitter module;
Be provided with video signal input interface in the described signal processing module, be used for providing input interface to the image/video data and the local image video signal of gathering of remote collection, described signal processing module can be handled two paths of signals respectively, can behind the signal that shows on the PC, export thereby convert to.
Further, also comprise analog video signal modular converter and digital video signal modular converter, described analog video signal modular converter is used for the remote image vision signal from the remote video signal acquisition module is converted into the analog video signal of NTSC or two kinds of standards of PAL; Described digital video signal modular converter is used for described analog video signal is converted into digital video signal.
Preferably, described analog video signal modular converter connects described remote video signal acquisition module and wireless transmitter module, thereby input is from the image/video of remote video signal acquisition module, and the analog video signal of its conversion is launched through described wireless transmitter module.
Preferably, described digital video signal modular converter is imported described analog video signal from described wireless receiving module, and the digital video signal after will changing exports described signal processing module to.
Further, also comprise the remote audio signal collection and the processing module that are arranged at remote monitoring location, also be provided with audio coder in the described signal processing module, described remote audio signal collection and processing module are gathered the external audio signal, and launch through wireless transmitter module, after wireless receiving module receives, input to described audio coder, with the audio signal behind the output encoder to PC.
Further, be provided with fifo module in the described video signal input interface, the synchronous generator pre-processing module, synchronous generator and FIFO write clock generator and FIFO readout clock generator, the data input pin input of described fifo module is from the digital video signal of described digital video signal modular converter, its data output end connects described synchronous generator pre-processing module, described FIFO writes the write clock signal input of clock generator output write clock signal to fifo module, and described FIFO readout clock generator output read clock signal is to the read clock signal input of fifo module; Described synchronous generator pre-processing module and synchronous generator are used for described digital video signal converted to and can supply the PC video signal displayed.
Further, described synchronous generator also connects described local video signal acquisition module, thereby the input channel of local image video signal is provided.
Preferably, the digital video signal of described digital video signal module output is the CCIR656 form, described FIFO writes clock generator output 27MHz write clock signal, described FIFO readout clock generator output 48MHz read clock signal, described synchronous generator pre-processing module input is from the digital video signal of the CCIR656 form of fifo module, be input to synchronous generator after its standard header information removed, described synchronous generator outputs to described signal output interface after the data transaction that is obtained is become yuv format.
Preferably, Gong the PC video signal displayed of described synchronous generator output is a yuv format, described synchronous generator also receives the local image video signal from the bayer form of described local video signal acquisition module input, and is forwarded in the viewdata signal processing unit of signal processing module.
Further, also comprise the television set interface, be used for analog video signal that described wireless receiving module is received from described analog video signal modular converter, and/or described wireless receiving module receive from the audio signal output of described remote audio signal collection and processing module to television set.
In technique scheme, the present invention provides two image video signal input channels by video signal input interface, and transmit the image video signal of long-range shooting by wireless transmitter module and wireless receiving module, thereby realized, and output with a signal processing module processing remote and local image video signal.Therefore can promptly local image signal can be obtained in use, also the remote image signal can be obtained.
Further, the present invention also converts the remote image vision signal can power to by the analog video signal modular converter and looks the analog video signal of demonstration, thereby can directly output on the television set by the TV signal interface.Accordingly, the present invention converts the TV signal of CCIR656 form to can show for PC yuv format vision signal by digital video signal modular converter and video signal input interface again, thereby can directly show on PC.
Further, by video signal input interface, but the present invention's image video signal of the multiple different-format of compatible processing also.
In addition, the present invention also can realize collection, transmission and the processing to remote audio signal, thereby shows on TV or PC.
Therefore, relative prior art, the present invention has simple and reasonable, easy to use flexibly, characteristics such as guarded region is unrestricted, display mode is multiple.
Description of drawings
Accompanying drawing 1 is the circuit block diagram of camera in the prior art;
The remote port circuit block diagram of accompanying drawing 2 wired and wireless two-in-one camera for the present invention;
The local side circuit block diagram of accompanying drawing 3 wired and wireless two-in-one camera for the present invention;
Accompanying drawing 4 is the circuit block diagram of video signal input interface among Fig. 3.
Embodiment
Below in conjunction with Figure of description and specific embodiment the present invention is described in further detail.
With reference to the accompanying drawings 2,3, present embodiment provides a kind of wired and wireless two-in-one camera, comprise remote video signal acquisition module, remote audio signal collection and the processing module, analog video signal modular converter and the wireless transmitter module that are arranged at remote monitoring location, be arranged at the local video signal acquisition module of local monitor position, and be arranged at local digital video signal modular converter, television set (TV) interface, signal processing module and wireless receiving module.
Wherein:
Described remote video signal acquisition module and local video signal acquisition module all are used to gather the external image video data.They all can be imageing sensor.
Described remote audio signal collection and processing module comprise audio input device and audio signal amplifier, and wherein audio input device can be one or more microphones, and audio signal amplifier can adopt LM358 type integrated circuit.
Described analog video signal modular converter connects described remote video signal acquisition module and wireless transmitter module, thereby input is from the image/video of remote video signal acquisition module, with its analog video signal that selectively is converted into NTSC or two kinds of standards of PAL, the analog video signal of its conversion is launched through described wireless transmitter module.It can adopt a VC0701 type telephotography chip of Co., Ltd of Z-Star Microelectronics
Described wireless transmitter module is used for image video signal and audio signal in the remote monitoring location collection are carried out wireless signal transmission with certain frequency, and it can launch tuner for signal.Simultaneously, the user can set certain tranmitting frequency in a plurality of different tranmitting frequencies.And it can receive the audio signal of a plurality of remote audio signal collections and processing module input simultaneously, thereby realizes stereophonic effect.
Described wireless receiving module is used for the frequency at described wireless transmitter module transmitting audio frequency and video, receives the signal of being launched.It can comprise signal receiving demodulation device.This signal receiving demodulation device can select certain frequency to receive, and promptly the user can be simply switches to another frequency with the receive frequency of signal receiving demodulation device.The mode that the multi-frequency of described wireless transmitter module and wireless receiving module transmits and receives, can realize by the mode that user's configuration deposits is set in described signal emission tuner and signal receiving demodulation device, the signal of only supporting on some frequency also can be set to be transmitted and received, also can adopt the form that adds hardware switch to select to transmit and receive frequency, and such as above-mentioned simple combination, these technology are prior art, no longer describe in detail herein.
Described television set interface is used for the analog video signal from described analog video signal modular converter that described wireless receiving module is received, and/or described wireless receiving module receive from the audio signal output of described remote audio signal collection and processing module to television set.In the present embodiment, this interface connects the audio signal output interface and the video signal output interface of described signal receiving demodulation device respectively, and is connected with television set by audio frequency and video connecting line, thus on television set demonstration/output remote image vision signal.
Described digital video signal modular converter is used for importing described analog video signal from described wireless receiving module, converts thereof into to be digital video signal, and exports described signal processing module to.In the present embodiment, described digital video signal modular converter can adopt the SAA7113H type decoding chip of 24.576MHz standard time clock, and it is with the digital video signal of the output speed output CCIR656 form of 27MHz.
Described signal processing module is made of video signal input interface, viewdata signal processing unit, system control unit, audio coder and signal output interface.Wherein:
Described system control unit is used to control the overall work of each module.
Described video signal input interface is used for providing input interface to the image/video data of remote collection and the local image video signal of gathering, described signal processing module can be handled two paths of signals respectively, can behind the signal that shows on the PC, export thereby convert to.With reference to figure 4, it is specifically write modules such as clock generator, FIFO readout clock generator, iic bus controller, imageing sensor clock generator and constitutes by fifo module, synchronous generator pre-processing module, synchronous generator, FIFO.
The data input pin input of described fifo module is from the digital video signal of described digital video signal modular converter, its data output end connects described synchronous generator pre-processing module, described FIFO writes the write clock signal input of clock generator output write clock signal to fifo module, and described FIFO readout clock generator output read clock signal is to the read clock signal input of fifo module.In the present embodiment, because the output speed of the digital video signal of described digital video signal modular converter output is 27MHz, therefore, the write clock signal of fifo module should be 27MHz, because its form is CCIR656, therefore, these data should be to be higher than the speed rates of 27MHz.The read clock signal of then choosing fifo module in the present embodiment is 48MHz.
Described synchronous generator pre-processing module and synchronous generator are used for described digital video signal converted to and can supply the PC video signal displayed.In the present embodiment, the synchronous generator pre-processing module is transferred to synchronous generator after the standard header information of the data of the CCIR656 form of input is removed.Described synchronous generator converts thereof into the yuv format data of standard, thereby can output on the signal output interface.
Described synchronous generator also connects described local video signal acquisition module, outputs to the local video signal acquisition module thereby produce synchronizing signal, and the input channel of local image video signal is provided.When the image video signal from the local video signal acquisition module was yuv format, synchronous generator outputed to described signal output interface with the data of this form; And when it was the Bayer form, synchronous generator outputed to the data of this form in the described viewdata signal processing unit, to carry out outputing to signal output interface after the follow-up signal processing.Described viewdata signal processing unit can adopt module of the prior art, repeats no more herein.
Described iic bus controller is the control register that is used for reading and writing the local video signal acquisition module, thereby according to the work of this module of commands for controlling of system control unit.This controller can adopt module of the prior art, no longer describes in detail herein.
Described imageing sensor clock generator is used to provide described local video signal acquisition module needed clock.This module can adopt module of the prior art, no longer describes in detail herein.
Described audio coder is used to import the audio signal from wireless receiving module, and exports described signal output interface to.
Described signal output interface can be USB interface, parallel port or other computer common interfaces module for connecting the interface unit of PC.Adopt USB interface to be connected with PC in the present embodiment, therefore described signal output interface is the USB device control unit.
By above-mentioned explanation as seen, the camera that the user can adopt present embodiment to provide carries out long-range and local video monitoring, and its monitoring range is extremely extensive.Also can select simultaneously to export on TV or the PC, display mode is flexible.And the user also can receive the vision signal from different transmitting terminals by selecting the communication frequency of wireless transmitter module and wireless receiving module, and far-end monitors to have extensibility.In addition, in the structure that present embodiment adopted, can handle image/video data, therefore be convenient to implement from the imageing sensor of different output formats.
The above only is preferred embodiment of the present invention.The those of ordinary skill of any skilled all can utilize the technology contents of above-mentioned announcement to make a little change or modification in the scope that does not break away from technical solution of the present invention.As the analog video signal modular converter in the present embodiment being connected in the local side between the wireless receiving module and digital video signal modular converter; Can also set up local audio signal collection and processing module, thereby gather the voice data in the local monitor environment; In addition, also can set up in the prior art in the described signal processing module image/video data are further handled, with module of obtaining better display effect or the like.
Therefore, be the content that does not break away from technical solution of the present invention in every case, any simple modification, equivalent variations and modification according to technical spirit of the present invention is made present embodiment all belong in the scope of technical solution of the present invention.
Claims (10)
1, a kind of wired and wireless two-in-one camera, comprise the local video signal acquisition module that is arranged at the local monitor position and be arranged at local signal processing module, comprise viewdata signal processing unit, system control unit and signal output interface in the wherein said signal processing module, it is characterized in that: also comprise the remote video signal acquisition module and the wireless transmitter module that are arranged at remote monitoring location, and the wireless receiving module that is arranged at this locality, wherein
Described remote video signal acquisition module and local video signal acquisition module all are used to gather the external image video;
Described wireless transmitter module is used for the image video signal in the remote monitoring location collection is carried out wireless signal transmission with certain frequency;
Described wireless receiving module is used to receive the wireless signal from described wireless transmitter module;
Be provided with video signal input interface in the described signal processing module, be used for providing input interface to the image/video data and the local image video signal of gathering of remote collection, described signal processing module can be handled two paths of signals respectively, can behind the signal that shows on the PC, export thereby convert to.
2, wired according to claim 1 and wireless two-in-one camera, it is characterized in that: also comprise analog video signal modular converter and digital video signal modular converter, described analog video signal modular converter is used for the remote image vision signal from the remote video signal acquisition module is converted into the analog video signal of NTSC or two kinds of standards of PAL; Described digital video signal modular converter is used for described analog video signal is converted into digital video signal.
3, as wired and wireless two-in-one camera as described in the claim 2, it is characterized in that: described analog video signal modular converter connects described remote video signal acquisition module and wireless transmitter module, thereby input is from the image/video of remote video signal acquisition module, and the analog video signal of its conversion is launched through described wireless transmitter module.
4, as wired and wireless two-in-one camera as described in the claim 3, it is characterized in that: described digital video signal modular converter is imported described analog video signal from described wireless receiving module, and the digital video signal after will changing exports described signal processing module to.
5, wired according to claim 1 and wireless two-in-one camera, it is characterized in that: also comprise the remote audio signal collection and the processing module that are arranged at remote monitoring location, also be provided with audio coder in the described signal processing module, described remote audio signal collection and processing module are gathered the external audio signal, and launch through wireless transmitter module, after wireless receiving module receives, input to described audio coder, with the audio signal behind the output encoder to PC.
6, as wired and wireless two-in-one camera as described in claim 4 or 5, it is characterized in that: be provided with fifo module in the described video signal input interface, the synchronous generator pre-processing module, synchronous generator and FIFO write clock generator and FIFO readout clock generator, the data input pin input of described fifo module is from the digital video signal of described digital video signal modular converter, its data output end connects described synchronous generator pre-processing module, described FIFO writes the write clock signal input of clock generator output write clock signal to fifo module, and described FIFO readout clock generator output read clock signal is to the read clock signal input of fifo module;
Described synchronous generator pre-processing module and synchronous generator are used for described digital video signal converted to and can supply the PC video signal displayed.
7, as wired and wireless two-in-one camera as described in the claim 6, it is characterized in that: described synchronous generator also connects described local video signal acquisition module, thereby the input channel of local image video signal is provided.
8, as wired and wireless two-in-one camera as described in the claim 7, it is characterized in that: the digital video signal of described digital video signal module output is the CCIR656 form, described FIFO writes clock generator output 27MHz write clock signal, described FIFO readout clock generator output 48MHz read clock signal, described synchronous generator pre-processing module input is from the digital video signal of the CCIR656 form of fifo module, be input to synchronous generator after its standard header information removed, described synchronous generator outputs to described signal output interface after the data transaction that is obtained is become yuv format.
9, as wired and wireless two-in-one camera as described in the claim 7, it is characterized in that: Gong the PC video signal displayed of described synchronous generator output is a yuv format, described synchronous generator also receives the local image video signal from the bayer form of described local video signal acquisition module input, and is forwarded in the viewdata signal processing unit of signal processing module.
10, as wired and wireless two-in-one camera as described in claim 4 or 5, it is characterized in that: also comprise the television set interface, be used for analog video signal that described wireless receiving module is received from described analog video signal modular converter, and/or described wireless receiving module receive from the audio signal output of described remote audio signal collection and processing module to television set.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200510114228 CN1750649A (en) | 2005-10-21 | 2005-10-21 | Wired and wireless two-in-one camera head |
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| CN 200510114228 CN1750649A (en) | 2005-10-21 | 2005-10-21 | Wired and wireless two-in-one camera head |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102547745A (en) * | 2012-01-16 | 2012-07-04 | 广州杰赛科技股份有限公司 | Frequency control method and device of wireless video monitoring system |
| CN108881829A (en) * | 2018-06-25 | 2018-11-23 | 深圳市招华智能股份有限公司 | A kind of method and system of transmission of video |
| CN109600587A (en) * | 2019-01-02 | 2019-04-09 | 上海理工大学 | A kind of remote multi-point Sync image capture device and its acquisition method |
-
2005
- 2005-10-21 CN CN 200510114228 patent/CN1750649A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102547745A (en) * | 2012-01-16 | 2012-07-04 | 广州杰赛科技股份有限公司 | Frequency control method and device of wireless video monitoring system |
| CN102547745B (en) * | 2012-01-16 | 2014-10-01 | 广州杰赛科技股份有限公司 | Frequency control method and device of wireless video monitoring system |
| CN108881829A (en) * | 2018-06-25 | 2018-11-23 | 深圳市招华智能股份有限公司 | A kind of method and system of transmission of video |
| CN109600587A (en) * | 2019-01-02 | 2019-04-09 | 上海理工大学 | A kind of remote multi-point Sync image capture device and its acquisition method |
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