CN2423688Y - Small radio camera set - Google Patents
Small radio camera set Download PDFInfo
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- CN2423688Y CN2423688Y CN 00209441 CN00209441U CN2423688Y CN 2423688 Y CN2423688 Y CN 2423688Y CN 00209441 CN00209441 CN 00209441 CN 00209441 U CN00209441 U CN 00209441U CN 2423688 Y CN2423688 Y CN 2423688Y
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- signal
- subcarrier
- carrier
- sound
- modulator
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Abstract
The utility model relates to a small radio camera set which is composed of a radio camera and a receiving device. Images and sounds taken by the radio camera are converted to electric signals by an image sensor and a sound sensor; image and sound signals are modulated into carrier signals by a carrier signal modulator and carrier signals are transmitted into the receiving device for filtering, enlarging and reducing frequency; image and sound signals modulated into the carrier signals are restored by a demodulator and then are conveyed to and played in a TV; or the signals can be conveyed to a video recorder for live scenes. The utility model has the advantages of small size, convenient operation, and instant playing and video recording, and the price of the utility model is cheaper than a portable camera.
Description
The relevant a kind of improved camcorder of the utility model, but the micro radio shooting unit of particularly showing about a kind of synchronized video recording.
Along with making rapid progress of development in science and technology, electronic product has goed deep into family, inseparable with people's life, and people are in order to stay memory fine in the life, often stay record with camera or video camera, but camera only can stay static record, and video camera can stay the record of overall dynamics, therefore is subjected to liking of broad masses deeply.
Traditional video camera is equiped with video tape or other forms of record device within it, so that can record image smoothly, afterwards, it is directly play in television set or computer again, views and admires for the user.But general Video Camera is comparatively heavy, and pocket Video Camera then costs an arm and a leg, in case and misoperation damage easily, use so only be fit to ripe age level, be not suitable for child's use.
Main purpose of the present utility model provides a kind of micro radio shooting unit that can overcome above-mentioned puzzlement, synchronized video recording and projection immediately.
Another purpose of the present utility model provides a kind of micro radio shooting unit that cooperates television set or monitor to use, have the wireless monitor function, for use in protecting device, doorway or outdoor watch-dog etc. as baby, old man, patient's etc. far-end is seen.
A purpose more of the present utility model provides a kind ofly has light, thin, short, little characteristic, and it is simple to operation, low-cost micro radio shooting unit.
But the utility model is achieved in that its synchronous recording and playing image and sound, it is characterized in that: comprising: a wireless camera, it utilizes an image sensor pickup image to be converted to picture signal, and it is sent to the carrier signal modulator that it connects; One sound sensor, its picked-up sound is converted to voice signal, and after by first subcarrier modulator it being modulated to first subcarrier signal, is sent to this carrier signal modulator; One remote signal generator, after the control signal that indicated by the operator to produce then is modulated to second subcarrier signal by second subcarrier modulator with it, be sent to this carrier signal modulator that it connects, after this carrier signal modulator is modulated to carrier signal simultaneously with this picture signal, first subcarrier signal and second subcarrier signal, after the amplification and filtering of a radio frequency amplifier and a radio-frequency filter, mat one first antenna is launched; And, one receiving system, it utilizes one second antenna to receive the carrier signal that this wireless camera spreads out of, and after utilizing the filtration and amplification of a radio-frequency filter and a radio frequency amplifier, transfer to after a frequency demultiplier reduces to intermediate frequency, after finishing, intermediate-frequency filter filtration is sent to an if demodulator again, it is modulated to the picture signal of intermediate-freuqncy signal, first subcarrier signal and the reduction of second subcarrier signal, this picture signal is exported after the amplification of the filtration of a low pass filter and an image signal amplifier, this first subcarrier signal is then through the filtration of one first subcarrier filter, the demodulation of one first subcarrier demodulator, restore voice signal, and export after the amplification of a sound intensifier, this second subcarrier signal is then in regular turn through the filtration of one second carrier filter, after the demodulation of one second subcarrier demodulator restores the coding of the shaping of a control signal and a waveform shaper and remote signal encoder, again through an infra-red carrier modulators modulate in a carrier signal, launch in the infrared remote control signal mode via an infrared light-emitting diode.
This sound sensor more can comprise a L channel sound sensor and a right channel sound sensor.
This carrier signal modulator more connects a carrier wave band setting device.
This picture signal that this receiving system is exported and transmission of sound signals to a TV and a videocorder.
This remote signal encoder more connects a coding and selects setting device.
It is a numeric keypad that this coding is selected setting device, is subjected to the videocorder of infrared signal remote control and the infra-red remote control correspondence code of television set with setting.
It is infrared remote control signal study and memory that this coding is selected setting device, is subjected to the videocorder of infrared signal remote control and the infra-red remote control sign indicating number of television set with input and storage.
The left side that this left side and right channel sound sensor are exported and right channel sound signal are respectively after a left side and a right sound signal amplifier are amplified, become a complexsound signal by a three-dimensional sound coder transitions after, enter this first subcarrier modulator again.
This infrared remote control signal of this receiving system output is emitted to a videocorder or television set, to control its action.
Sound intensifier in this receiving system more can comprise a left side and a right sound intensifier, and left and right sound intensifier is connected to a left side and the right output of a stereodecoder simultaneously, and the input of this stereodecoder then is connected to first subcarrier demodulator.
The left side that this left side and right channel sound sensor are exported and right channel sound signal are respectively after a left side and the amplification of right sound intensifier, respectively by one the 3rd subcarrier modulator and fourth officer carrier modulator respectively be modulated to the 3rd and the fourth officer carrier signal on, the 3rd and the fourth officer carrier modulator be connected to the carrier signal modulator again.
Sound intensifier in this receiving system more can comprise a left side and a right sound intensifier, its be connected respectively to the 3rd and the output of fourth officer carrier wave demodulation device, the 3rd and fourth officer carrier wave demodulation device then respectively through one the 3rd and the fourth officer carrier filter be connected to if demodulator.
The utility model is a micro radio shooting unit, it comprises a wireless camera, utilize image sensor and sound sensor pickup image and sound to be converted to electric signal, and picture signal and voice signal be emitted to receiving system by a carrier signal modulators modulate after carrier signal, receiving system then carries out filtering to carrier signal, amplify, after the frequency reducing, to be modulated to through demodulator and to be delivered to a television set after the picture signal of carrier signal and voice signal recover, but so that in television set synchronous playing, or be delivered to a videocorder, so that make live video recording; In addition, this wireless camera also has the function of remote control videocorder operation.
Below by the specific embodiment conjunction with figs., describe the purpose of this utility model, technology contents, characteristics and effect thereof in detail.
Fig. 1 is a three-dimensional appearance schematic diagram of the present utility model.
Fig. 2 is a block schematic diagram of the present utility model.
Fig. 3 is the block schematic diagram of wireless camera of the present utility model.
Fig. 4 is the block schematic diagram of receiving system of the present utility model.
Fig. 5 is the circuit circuit diagram of wireless camera of the present utility model.
Fig. 6 is the circuit circuit diagram of receiving system of the present utility model.
Fig. 7 is the circuit circuit diagram that infra-red remote control of the present utility model and coding are selected setting device.
As shown in Figures 1 and 2, main feature of the present utility model is to utilize a wireless camera 10 picked-up sound and image transitions to be the signal of telecommunication, exist side by side soon sound and image signal modulation are emitted to a receiving system 12 after carrier signal, behind signal processings such as the amplification of receiving system 12 and demodulation, sound and the picture signal recovered are exported in a television set 14 and the videocorder 22, so that in the process of taking, in television set 14, view and admire synchronously and in video tape recorder 22, record, and receiving system 12 connects an infra-red remote control transmitter 69 with coding selection setting device 68, with infra-red remote control television set 14 or video tape recorder 22.
One micro radio shooting unit, but the wireless camera 10 that comprises a photographic images and voice signal and emission modulated carrier signal, and one can receive modulated carrier signal and it is separated and restore image, sound and control signal, synchronous again transitive graph picture and sound are to the receiving system 12 of TV and video tape recorder, to carry out synchronous playing, video recording and remote control.
This wireless camera 10 block schematic diagram as shown in Figure 3, it is after utilizing an image sensor 16 pickup images to be converted to picture signal, and it is sent to the carrier signal modulator 18 that it connects; One sound sensor, 20 picked-up sound also are converted to voice signal, sound sensor 20 connects a sound signal amplifier 24 and first subcarrier modulator 26 in regular turn, be connected to a carrier signal modulator 18 again, voice signal utilizes sound signal amplifier 24 that signal is amplified, after by first subcarrier modulator 26 this signal being modulated to first subcarrier signal again, reach in this carrier signal modulator 18; One remote signal generator 32 is subjected to control signal that operator's indication produces then by second subcarrier modulator 34, control signal is modulated to second subcarrier signal after, transfer in its carrier signal modulator 18 that connects.In other words, after this carrier signal modulator 18 is modulated to a carrier signal that is suitable for doing to transmit simultaneously with this picture signal, first subcarrier signal and second subcarrier signal, after the amplification and filtering of a radio frequency amplifier 36 and a radio-frequency filter 38, launch by one first antenna 40.
Wherein, above-mentioned carrier signal modulator 18 more connects a carrier wave band setting device 42, and it can set the frequency of carrier signal of carrier signal modulator 18.
One receiving system 12, as shown in Figure 4, it utilizes one second antenna 44 to receive the carrier signal that this wireless camera 10 spreads out of, and utilize a radio- frequency filter 46 and 48 pairs of these carrier signals of a radio frequency amplifier filter with amplify after, transfer to a frequency demultiplier 50 and reduce to intermediate-freuqncy signal, be sent to an if demodulator 54 again after an intermediate-frequency filter 52 filtrations are finished, if demodulator will be modulated to picture signal, first subcarrier signal and the reduction of second subcarrier signal of intermediate-freuqncy signal.Therefore, this picture signal exports television set or video tape recorder to after the amplification of the filtration of a low pass filter 56 and an image signal amplifier 58; Then after the demodulation of the filtration of one first subcarrier filter 60, one first subcarrier demodulator 62 was reduced into original voice signal, a sound intensifier 64 exported television set and video tape recorder to after signal is amplified to this first subcarrier signal; And second subcarrier signal is in regular turn after the demodulation of the filtration of one second subcarrier filter 72, one second subcarrier demodulator 74 reverts to control signal with reduction with it, again behind the coding of the shaping of a waveform shaper 76 and remote signal encoder 70, be modulated to a carrier signal by an infra-red carrier modulator 78, and utilize an infrared light-emitting diode 80 to launch in the infrared remote control signal mode, with the action of control television set or videocorder.
Wherein, the infrared remote control signal encoder 70 of above-mentioned receiving system 12 more connects a coding and selects setting device 68, it is a numeric keypad, in order to the control code that prestores in it from many groups, select one group to set by the infra-red remote control correspondence code of videocorder that is subjected to the infrared signal remote control and television set etc.And this coding selects setting device 68 to can be infrared remote control signal study and memory, be subjected to the videocorder of infrared signal remote control and the infra-red remote control sign indicating number of television set by user's operate learning, and with after it input and storing, and then the action of control video tape recorder and television set.
Sound sensor of the present utility model can comprise a L channel sound sensor and a right channel sound sensor, the left and right sound channels voice signal that makes its output is respectively via the amplification of a left side and a right sound signal amplifier, wherein, left and right sound intensifier is connected to a left side and the right input of a stereodecoder simultaneously, and the output of this stereodecoder then is connected to above-mentioned first subcarrier demodulator; After making left and right voice signal after the amplification become a complexsound signal, enter again and be modulated into one first subcarrier signal in this first subcarrier modulator by this solid sound coder transitions.In receiving system, the complexsound signal that above-mentioned first subcarrier demodulator demodulates must be earlier after a stereodecoder decomposites a left side and right channel sound signal, again through a left and right sound intensifier difference amplifying signal.
In addition, sound sensor of the present utility model more can comprise a L channel sound sensor and a right channel sound sensor, the left and right sound channels voice signal that makes its output after the amplification via a left side and a right sound intensifier, is modulated on the 3rd subcarrier signal and the fourth officer carrier signal by one the 3rd and one fourth officer carrier modulator respectively respectively again.Second, third and fourth officer carrier signal and picture signal more simultaneously by this carrier signal modulators modulate in carrier signal.In receiving system, by the 3rd and fourth officer carrier signal of IF demodulator demodulates reduction then respectively through the 3rd and the fourth officer carrier filter filter and the 3rd and after the demodulation of fourth officer carrier wave demodulation device restores a left side and right channel sound signal, again through a left side and a right sound intensifier amplify.
Claims (12)
1. micro radio shooting unit, but its synchronous recording and playing image and sound, it is characterized in that: comprising: a wireless camera, it utilizes an image sensor pickup image to be converted to picture signal, and it is sent to the carrier signal modulator that it connects, one sound sensor picked-up sound is converted to voice signal, and be sent to this carrier signal modulator after by first subcarrier modulator it being modulated to first subcarrier signal, one remote signal generator, after its control signal that indicated by the operator to produce then is modulated to second subcarrier signal by second subcarrier modulator with it, be sent to this carrier signal modulator that it connects, this carrier signal modulator is with this picture signal, after first subcarrier signal and second subcarrier signal are modulated to carrier signal simultaneously, after the amplification and filtering of a radio frequency amplifier and a radio-frequency filter, mat one first antenna is launched; An and receiving system, it utilizes one second antenna to receive the carrier signal that this wireless camera spreads out of, and after utilizing the filtration and amplification of a radio-frequency filter and a radio frequency amplifier, transfer to after a frequency demultiplier reduces to intermediate frequency, after intermediate-frequency filter filtration is finished, be sent to an if demodulator again it is modulated to the picture signal of intermediate-freuqncy signal, first subcarrier signal and the reduction of second subcarrier signal, this picture signal is exported after the amplification that the filtration and a picture signal of a low pass filter are amplified, this first subcarrier signal is then through the filtration of one first subcarrier filter, after restoring the amplification of a voice signal and a sound intensifier, the demodulation that one first subcarrier is separated the meaning device exports, and this second subcarrier signal is in regular turn through the filtration of one second carrier filter, after the demodulation of one second subcarrier demodulator restores the coding of the shaping of a control signal and a waveform shaper and remote signal encoder, again through an infra-red carrier modulators modulate in a carrier signal, launch in the infrared remote control signal mode via an infrared light-emitting diode.
2, micro radio shooting unit according to claim 1, it is characterized in that: this sound sensor more can comprise a L channel sound sensor and a right channel sound sensor.
3, micro radio shooting unit according to claim 1, it is characterized in that: this carrier signal modulator more connects a carrier wave band setting device.
4, micro radio shooting unit according to claim 1 is characterized in that: this picture signal that this receiving system is exported and transmission of sound signals to a television set and a videocorder.
5, micro radio shooting unit according to claim 1, it is characterized in that: this remote signal encoder more connects a coding and selects setting device.
6, micro radio shooting unit according to claim 5, it is characterized in that: it is a numeric keypad that this coding is selected setting device, is subjected to the videocorder of infrared signal remote control and the infra-red remote control correspondence code of television set with setting.
7, micro radio shooting unit according to claim 5, it is characterized in that: it is infrared remote control signal study and memory that this coding is selected setting device, is subjected to the videocorder of infrared signal remote control and the infra-red remote control sign indicating number of television set with input and storage.
8, micro radio shooting unit according to claim 2, it is characterized in that: the left side that this left side and right channel sound sensor are exported and right channel sound signal enter this first subcarrier modulator after becoming a complexsound signal by a three-dimensional sound coder transitions respectively after a left side and a right sound signal amplifier are amplified again.
9, micro radio shooting unit according to claim 1, it is characterized in that: this infrared remote control signal of this receiving system output is emitted to a videocorder or television set, to control its action.
10, micro radio shooting unit according to claim 1, it is characterized in that: the sound intensifier in this receiving system more can comprise a left side and a right sound intensifier, left and right sound intensifier is connected to a left side and the right output of a stereodecoder simultaneously, and the input of this stereodecoder then is connected to first subcarrier demodulator.
11, micro radio shooting unit according to claim 2, it is characterized in that: the left side that this left side and right channel sound sensor are exported and right channel sound signal are respectively after a left side and the amplification of right sound intensifier, respectively by one the 3rd subcarrier modulator and fourth officer carrier modulator respectively be modulated to the 3rd and the fourth officer carrier signal on, the 3rd and the fourth officer carrier modulator be connected to the carrier signal modulator again.
12, micro radio shooting unit according to claim 1, it is characterized in that: the sound intensifier in this receiving system more can comprise a left side and a right sound intensifier, its be connected respectively to the 3rd and the output of fourth officer carrier wave demodulation device, the 3rd and fourth officer carrier wave demodulation device then respectively through one the 3rd and the fourth officer carrier filter be connected to if demodulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00209441 CN2423688Y (en) | 2000-04-21 | 2000-04-21 | Small radio camera set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00209441 CN2423688Y (en) | 2000-04-21 | 2000-04-21 | Small radio camera set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2423688Y true CN2423688Y (en) | 2001-03-14 |
Family
ID=33576558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00209441 Expired - Fee Related CN2423688Y (en) | 2000-04-21 | 2000-04-21 | Small radio camera set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2423688Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100375505C (en) * | 2005-08-01 | 2008-03-12 | 北京中星微电子有限公司 | Wireless webcam |
| US8687130B2 (en) | 2007-07-23 | 2014-04-01 | Lg Electronics Inc. | Remote controller, and system and method for remotely controlling digital television |
-
2000
- 2000-04-21 CN CN 00209441 patent/CN2423688Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100375505C (en) * | 2005-08-01 | 2008-03-12 | 北京中星微电子有限公司 | Wireless webcam |
| US8687130B2 (en) | 2007-07-23 | 2014-04-01 | Lg Electronics Inc. | Remote controller, and system and method for remotely controlling digital television |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |