The application requires to submit on August 11st, 2006, the patent No. is 60/838,530, patent name is the preference of the U.S. Provisional Application of " digital image monitoring system (Digital Video Surveillance System) ", and its content is incorporated in this as quoting.
Background technology
In the U.S. and other place, the world, people live to family and more and more pay close attention to safely, for example, the user runs into through oneself doorway of being everlasting to swindle or to attempt to force open the door and plunders, in addition, along with the increase of family's quantity and increasing aging population, thereby for making things convenient for whether own desired visiting personnel of remote observation decision, people are also vigorous day by day to monitoring and communication system user demand at home.
Before this, this supervisory control system is big usually and heavy, and need between watch-dog in the user residence and center monitoring device, couple together by very long cable, because this application, usually need be when building the house need for perfecting program in advance or the structure that changes have housing with convenient this supervisory control system of installing, use very inconveniently, limit the use in the family of this supervisory control system.
Further limited the use of existing supervisory control system from the input signal of a plurality of accessory devices of a plurality of different homes, comparatively typical, it need be provided with one or more monitor workstations, when visiting personnel excite a camera or watch-dog, the user needs these devices of close enough in order to hear or to see visiting personnel; If this center monitoring device of user distance is far away, near the user dwelling, it is as near the center monitoring device visiting personnel, leaves or the invador has implemented illegal act until the guest, and the user not can be appreciated that yet.
Therefore, cheap, be convenient to install, can carry and between groundwork station and accessory unit, need not cable and just can realize that the supervisory control system of the transmission of audio frequency and video is highly profitable to domestic consumer and other house occupant.
If accessory unit can excite automatically and from trend groundwork station transmission signals bigger benefit will be arranged concerning the user detecting visiting personnel or illegal invasion personnel Shi Ke.
These technical characterictics and the more details that comprise digital image monitoring system give to describe in detail hereinafter.
Description of drawings
Related execution mode of the present utility model, most preferred embodiment and the operation principle of the present utility model that obtains from wherein thinking deeply about provide detailed explanation in following description and accompanying drawing.
Fig. 1 is the utility model control unit 12 stereograms, this stereogram has illustrated the front side and the right side structure of this control unit 12, this control unit 12 comprises in order to present color LCD display screen, interactive device, USB interface and the power interface of the picture signal of coming from the accessory unit of each cam device and front door unit transmission
Fig. 2 is the left view of Fig. 1,
Fig. 3 is the front view of Fig. 1,
Fig. 4 is the rearview of Fig. 1,
Fig. 5 is the right view of Fig. 1;
Fig. 6 is the stereogram of the utility model accessory camera, this stereogram has illustrated the front side and the right side structure of accessory camera, this accessory camera has RF (radio frequency) transceiver that square position incline structure telephotography head, motion sensor, infrared sensor, interactive device is installed and is used for realizing with the control unit of Fig. 1 digital communication
Fig. 7 is the front view of Fig. 6,
Fig. 8 is the right view of Fig. 6,
Fig. 9 is the rearview of Fig. 6;
Figure 10 is the stereogram of the utility model front door unit, this stereogram has illustrated the bottom side and the right side structure of this front door unit, bell button that this front door unit is equipped with camera with square position tilt function, motion sensor, interactive device, infrared sensor, be connected with door bell and button system with rigid line and radio frequency sensing transceiver in order to carry out communication with control unit
Figure 11 is the vertical view of Figure 10, and
Figure 12 is the rearview of Fig. 1.
Embodiment
As needs, specific embodiment of the utility model discloses at this, but, it should be understood that, disclosed specific embodiment only is an example of the present utility model only, this example may have the multiple form of expression, and therefore, disclosed here concrete structure and functional character can not be interpreted as restriction of the present utility model; The distortion multiple of the present utility model that produces based on claim and those of ordinary skills' training centre also belongs to concrete structure of the present utility model.
See also Fig. 1, frequency image monitoring system 10 of the present utility model comprises as Fig. 1, Fig. 6 and four different units illustrated in fig. 10; That summarizes says that this system comprises a control unit 12 (Fig. 1), at least one doorbell unit 14 (Figure 10) and two dissimilar accessory image units, and this accessory image unit can be used on the control unit among Fig. 1 on 12; Wherein, one type accessory unit is a camera and as Fig. 6-internal communication device 16 shown in Figure 9, and the accessory unit of another kind of type is a camera that does not have the internal communication function.
Image unit 14,16 respectively links to each other with control unit 12 respectively and view data can transfer to control unit 12 places by each image unit 14,16; This image unit 14,16 comprise one in order near the motion sensor of image unit 14,16, surveying motion, in order at the infrared sensor of night monitoring specific region and several rechargeable batteries that are provided with for fear of using the rigid line system in the place.In addition, all realize wireless digital communication between accessory unit 14,16 and the control unit 12 by radiofrequency signal.
That summarizes says, the front door unit 14 of the utility model 10 (Figure 10-12) substitutes and has been used in family or/and the doorbell in the place; This doorbell unit 14 relies on the circuit that is installed in wired door bell and button system in advance to provide power supply to doorbell and image unit 14 (Figure 10); This door bell device 14 both can use as doorbell, also can transmit image near doorbell unit 14 personnel by the visual camera in the unit 14 20; This camera 20 both can excite work by motion sensor 22, also can excite work by pushing the doorbell 26 that is arranged on the front door unit 14 (Figure 10).
Make the image information of the personnel's motion in 3 meters of these front door unit 14 perception in order to write down personnel's digital image information that storage pushes described doorbell 26 or record storage by motion sensor 22, this front door unit 14 presets; These information by wireless, Digital Transmission to control unit 12, thereby on the LCD display 28 of control unit, show the digital picture of the visitor outside the Qianmen in real time; Described front door unit 14 also can transfer to control unit or 12 places, unit, center (hub) to the visual camera of this unit 14 20 image of being caught in real time.Similarly, when detecting object of which movement by motion sensor 22 in the scope of each accessory camera, this accessory camera 16 (have the internal communication function or do not have the internal communication function) also can transmit the external digital image by control unit 12 record storages.Selectively, each accessory unit 16 can be predisposed to and show the image that described camera 20 obtains in real time on the display screen of control unit 12.
The rf frequency of the wireless digital communication between control unit 12 and the accessory unit 14,16 is 2.4GHz, and this frequency is applicable to all communications between described control unit 12 and the accessory device 14,16; These communications comprise the transmission of image, audio frequency and digital signal (command instruction) between control unit 12 and the accessory device 14,16.It should be understood that all accessory devices are the same with control unit has the ability that the frequency of transmitting and receiving is the 2.4GHz signal, but also can use other alternative frequencies.
In operation, before the incident of the circuit that detects the communication line 12 of opening control unit, each accessory unit 14,16 all is in standby mode.For example, if motion sensor 22 has activated camera or make the Qianmen accessory unit be activated by pushing bell button 26, especially under the situation that accessory 14,16 is activated, will open the communication line of control unit 12.
Described control unit 12 is main operating means of this supervisory control system, the camera of all accessory devices 14,16 all with control unit 12 communications, for operating this specific control unit 12, each accessory device 14,16 must be registered to control unit 12, for showing the image from different azimuth, an above-mentioned control unit 12 can be registered 8 accessory units 14,16 at most; Described control unit 12 is equipped with the color LCD display screen 28 that can be arbitrary model, and this color LCD display screen 28 is used for showing the image that this control unit 12 receives from accessory unit 14,16.
Please refer to Fig. 1 to Fig. 5, it shows the detailed technical characterictic of this control unit 12; Control unit 12 is elementary cells, and the user so long be fixed on a fixed position to it or carry so that move with supervisory control system and get in touch.Elementary cell 12 is provided with LCD image display panel 28 to show the image from accessory unit, elementary cell 12 and and accessory unit 14,16 between voice communication be to realize by microphone 30, this microphone 30 is positioned at the top of the LCD display 28 on the elementary cell 12.Transfer to the user from elementary cell 14,16 received audio frequency via mutual intercom 32 and elementary cell 12.It should be understood that, the transmission of radio-frequency (RF) digital between elementary cell 12 and accessory or elementary cell 14,16 is to finish by antenna 34 to receive and emission, described antenna 34 respectively be positioned at the internal radio frequency reflector of elementary cell 12 and link to each other with radio frequency receiver with accessory unit 14,16.This elementary cell 12 also is equipped with the square position incline controller that is used to control the motion of being located at the visual camera head in the accessory unit 14,16.According to this mode, the user can check that the visual camera head that is positioned at accessory unit 14,16 is to obtain better accessory unit 14,16 image on every side.
When operation, the user opens the power supply of elementary cell 12 by mains switch 38, then, the user can be by the accessory device selecting selector switch 40 on the elementary cell 12 to select to activate specific accessory device 14,16 and receive desired use or the communication signal of unit 14,16; On the other side, if guest or invador are near one in the accessory unit 14,16, as the response that motion sensor 22 is activated, this unit will begin transmission information to elementary cell 12 places, in such cases, the user needn't activate accessory unit by selecting accessory selector switch 40.
This accessory control unit is arranged on the elementary cell 12, it comprises talk-listen switch 42, this talk-listen switch 42 comes transport subscriber voice information in order to allow the user with the loud speaker 30 of optional mode by elementary cell 12, thereby make the user can keep not noticed, and tend to cause the user to be disturbed by the unnecessary sound that elementary cell 12 transmits by visitor or disturber.The accessory control unit also be provided with fader 44 for the user regulate transmit the volume of sound.Also be provided with on the elementary cell image storage switch or " shutter " switch 46 for user storage from one of them image of accessory device 14,16; At this moment, if user's decision does not need the image of these storages, can delete the image that these have been caught by deletion switch 48.Also be provided with menu switch 50 on the elementary cell and select to be positioned at the operation sequence menu of elementary cell 12 operations for the user; Listed each clauses and subclauses when 52 of selector switch or input switches are selected to use menu switch 50 for the user.
Referring to Fig. 4, a battery cover 54 is set at the back side of elementary cell 12, and this is to consider on the portable elementary cell 12 to use chargeable power supply.
Referring to Fig. 6 to Fig. 9, it shows the technical characterictic of accessory unit 16, accessory unit 16 does not comprise the doorbell structure that is provided with on the accessory unit 14, accessory unit 16 has two kinds of different structure types: its a kind of structure type comprises loud speaker 30 and mutual intercom 32, and another kind of structure type does not have the technical characterictic of loud speaker or mutual intercom.
Referring to Fig. 6, accessory unit 16 is equipped with motion sensor 22, and this motion sensor 22 also is positioned at operating state all the time when system works, and when motion sensor 22 detected motion near accessory unit 16, motion sensor 22 will activate camera 20.Bad or when being in dark, accessory unit 16 is equipped with infrared LEDs lamp 24 at light, so that still can effectively capture subject image according to camera 20 under the environment at low light.It should be understood that above-mentioned provided roughly of operating in of camera 20 describe, the square position incline controller 36 of elementary cell 12 can be used to adjust camera 20, so that interested target is aimed in the visual field of camera 20.
Referring to Fig. 6, the back side of accessory unit 16 is provided with fixed head 56, and this fixed head 56 is in order to be fixed to accessory unit 16 on the surface of a fixture, and battery cover 54 has also shown the battery of replaceable accessory unit 16.
Referring to Figure 10 to Figure 12, it shows the technical characterictic of the accessory unit 14 with doorbell switch, in Figure 10, this accessory unit 14 has the architectural feature identical with the above-mentioned accessory unit of having narrated 16, these technical characterictics comprise motion sensor 20, this motion sensor 20 during near accessory unit 14, will activate accessory unit 14 visitor or illegal guest; Selectively, when the people pushed doorbell switch 26 activation elementary cells 12, accessory unit 14 can be activated, in these cases, accessory unit 14 is wired on the default doorbell circuit, and when doorbell switch 26 was pressed, accessory unit 14 activated the doorbell ringer in dwelling.Accessory unit 14 also is equipped with visual camera 20, this visual camera 20 is controlled by the square position incline controller 36 of elementary cell 12, similarly, under the relatively poor situation of light, be installed on infrared lamp 24 on the accessory unit 14 and can make visual camera 20 clearly take visitor or illegal guest; Be installed on loud speaker 30 on the accessory unit 14 and mutual intercom 32 in order between elementary cell 12 and accessory unit 14, to carry out voice communication.
Referring to Figure 12, these accessory unit 14 back sides are provided with and for convenience accessory unit 14 are fixed on the lip-deep fixed head 56 of fixture, for accessory unit 14 is connected with default doorbell circuit, and be provided with a low-voltage line 58 so that easily accessory unit 14 is connected on the default doorbell circuit.
In the foregoing description, for simplicity, clear and be convenient to understand, some buzzwords have been used; But these terms do not comprise the unnecessary restriction of the requirement that exceeds priority; Because these terms are purposes of describing and roughly state for better.And description of the present utility model and explanation are to take mode for example to carry out, and protection range of the present utility model is not limited to described details.
Under the situation that does not depart from the utility model essence and protection range; structure of the present utility model can be made some changes; all problems expectation of the present utility model is included in foregoing description and the accompanying drawing, and foregoing description and accompanying drawing are just released the explanation of example, do not constitute the restriction to invention.
The technical characterictic of foregoing description, principle of the present utility model and this creative digital image monitoring system are feasible, its design feature, advantage and the new beneficial effect that is obtained, and design feature, the new and useful result that is obtained, new useful structure, device, parts, part and annexation thereof, set forth in detail.