CN1925567A - The image device having fm transmitter and method for controlling the same - Google Patents
The image device having fm transmitter and method for controlling the same Download PDFInfo
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- CN1925567A CN1925567A CNA2006101260425A CN200610126042A CN1925567A CN 1925567 A CN1925567 A CN 1925567A CN A2006101260425 A CNA2006101260425 A CN A2006101260425A CN 200610126042 A CN200610126042 A CN 200610126042A CN 1925567 A CN1925567 A CN 1925567A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/80—Camera processing pipelines; Components thereof
- H04N23/81—Camera processing pipelines; Components thereof for suppressing or minimising disturbance in the image signal generation
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Abstract
The present invention relates to an image device having fm-transmitter which prevents the interfusing of FM-TX channel frequency into the broadcast signal and the image noise when the integral multiple of broadcast signal frequency is equal to the FM-TX channel frequency. The device comprises the following components: a frequency retrieval searching the channel frequency and FM-TX channel frequency of the broadcast signal inputted in the image device; a memory component storing the integral multiple frequency and FM-TX channel frequency of the searched broadcast signal; a frequency judgement component judging whether the stored multiple frequency equal to the FM-TX channel frequency; a channel switch component setting the frequency which is farthest to the equal frequency to a FM-TX channel frequency. Therefore, the noise in FM-TX integral multiple frequency is prevented and a more bright broadcast image is provided.
Description
Technical field
The present invention relates to a kind of image device, relate in particular to a kind of image device and control method thereof with fm transmitter.
Background technology
Fig. 1 is the control method flow chart that has the image device of frequency modulation-transmitter (FM-TX:Frequency Modulation-Transmitter) function in the conventional art.Below with reference to Fig. 1 the control method based on the image device with FM-TX function of conventional art is elaborated.
But the alleged here image device with FM-TX function is meant, above-mentioned image device the audio stereo signal of TV broadcasting with wireless the sending of the stereosonic form of FM, the equipment that just can receive by FM broadcast receiver etc.At present, because various convenience, this function has become the image device function that attracts tremendous attention.
The user at first can set FM-TX channel frequency (S101) in the process of carrying out the FM-TX function.
And image device can corresponding above-mentioned FM-TX channel frequency, sending (S102) with the signal after the modulation of FM form.
In addition, above-mentioned image device can also continue the above-mentioned S102 stage, output corresponding the broadcast picture (S103) of channel frequency of user-selected broadcast singal.
But aforesaid traditional image device that possesses the FM-TX function and control method thereof exist following problem.That is,
When tuning selected FM-TX channel frequency is consistent with the integer multiple frequency of the channel frequency of broadcast singal, will produce noise (noise) in the channel picture of the broadcast singal of above-mentioned unanimity, because the image of FM-TX disturbs, and a plurality of sound field requests (Field Claim) will take place.The picture of generation noise (noise) as shown in Figure 2.
Again specifically, sneak into the circuit that connects image in the image device/acoustic processing portion and FM-TX portion, the FM-TX channel frequency consistent with the integer multiple frequency of the channel frequency of broadcast singal sneaked into above-mentioned image/acoustic processing portion, and the FM-TX frequency of sneaking into shows with the form of noise (noise) by broadcast portion.
Suppose,, also still can produce serious noise (noise) phenomenon, thereby cause the FM-TX function self not have in all senses even if used bar antenna (Rod Antenna).This is the place of problem.
Summary of the invention
Therefore, the present invention proposes in order to address the above problem, and purpose provides a kind of image device and control method thereof of the FM-TX of having function.Promptly, even if tuning selected frequency modulation-transmitter (FM-TX:FrequencyModulation-Transmitter) channel frequency is consistent with the integer multiple frequency of the channel frequency of broadcast singal, still can prevent broadcast picture noise (noise), the image of having eliminated from the source owing to FM-TX disturbs the generation that a plurality of sound field requests (Field Claim) phenomenon takes place.
Another object of the present invention is to provide a kind of image device and control method thereof of the FM-TX of having function.That is,, be intended to implement cost minimization of the present invention thereby make even if after the sequencing (program), still can implement the present invention.
To achieve these goals, the image device of the present invention with FM-TX function comprises as lower member:
Retrieve the channel frequency of the broadcast singal that is input to image device and the frequency search part of frequency modulation-transmitter channel frequency; Store the integer multiple frequency of channel frequency of the above-mentioned broadcast singal that retrieves and the storage part of the above-mentioned frequency modulation that retrieves-transmitter channel frequency; The judging part that whether has identical frequency in above-mentioned storage part in the integer multiple frequency that judgement is stored and the frequency modulation-transmitter channel frequency; Is the frequency setting that is in the above-mentioned identical frequency highest distance position of distance the channel switching part of frequency modulation-transmitter channel frequency.
The integer multiple frequency of the channel frequency of above-mentioned broadcast singal is that the channel frequency of above-mentioned broadcast singal is divided exactly the resulting frequency numerical value in back by natural number.
Above-mentioned natural number is 1,2,3.
Above-mentioned image device with fm transmitter also comprises the broadcast portion with following function, that is, except above-mentioned-frequency of causing, the catalogue of frequency modulation-transmitter channel frequency that output is remaining.
In order to achieve the above object, image device control method of the present invention comprises the steps:
Retrieve the channel frequency of the broadcast singal that is input to image device and the searching step of frequency modulation-transmitter channel frequency; Store the integer multiple frequency of channel frequency of the above-mentioned broadcast singal that retrieves and the storing step of the above-mentioned frequency modulation that retrieves-transmitter channel frequency; Whether judgement exists the determining step of identical frequency in the integer multiple frequency of above-mentioned storage and frequency modulation-transmitter channel frequency; Is the frequency setting that is in the above-mentioned identical frequency highest distance position of distance the setting step of frequency modulation-transmitter channel frequency.
The integer multiple frequency of the channel frequency of above-mentioned broadcast singal is that the channel frequency of above-mentioned broadcast singal is divided exactly the resulting frequency numerical value in back by natural number.
Above-mentioned natural number is 1,2,3.
Above-mentioned control method with image device of fm transmitter also comprises following step, except the frequency of above-mentioned unanimity, and the output step of frequency modulation-transmitter channel frequency catalogue that output is remaining.
Image device and control method thereof that the present invention has fm transmitter have following effect:
Even if tuning selected FM-TX channel frequency is consistent with the integer multiple frequency of the channel frequency of broadcast singal, still can prevent broadcast picture noise (noise), even if after the sequencing (program), still can implement the present invention, be intended to implement expense of the present invention and reach and minimize thereby make.
Therefore, use the present invention can obtain following effect.That is, can prevent from advance to cause noise (noise) phenomenon that takes place, save the expense of the present invention of implementing to greatest extent owing to the image of FM-TX frequency disturbs.
Description of drawings
Fig. 1 is the flow chart of control method that has the image device of FM-TX function in the conventional art.
Fig. 2 has the picture view that noise (noise) takes place in the image device of FM-TX function in the conventional art.
Fig. 3 is based on the formation block diagram of the image device of the FM-TX of having function of the present invention.
Fig. 4 is based on the flow chart of control method of the image device of the FM-TX of having function of the present invention.
Accompanying drawing major part symbol description
301: image device 302: tuning portion
303: image/304:FM-TX portion of acoustic processing portion
305: broadcast portion 306: loud speaker
307: control part 308: the frequency search part
309: storage part 310: judging part
311: channel switching part 320:FM receiver
Embodiment
Below just realize that to being intended to the desirable embodiment of the present invention of above-mentioned purpose is described in detail with reference to accompanying drawing.
Fig. 3 is based on the formation block diagram of the image device of the FM-TX of having function of the present invention.Will find with reference to Fig. 3, the signal flow between each inscape of image device with FM-TX function is carried out following explanation.
As shown in Figure 3, carried out emphasis diagram for main composition key element of the present invention, the generality in the image device receives, plays the basic constituent element of broadcast singal and signal flow simply or omission.Even if but for the simple of the diagram of above-mentioned basic constituent element and explanation or omit, so long as the practitioner in this field, just can understand the image device of this FM-TX of having function of the present invention by Fig. 3.
Image device 301 comprises the following component parts that will make referrals to as constitution equipment of the present invention.Have no particular limits for above-mentioned image device 301, but preferably have the FM-TX function.
Tuning 302 effect is the electric wave of only selection, extraction and certain electric wave (or signal of telecommunication) Frequency Synchronization.
The effect of image/acoustic processing portion 303 is that following action is finished in control.That is, video data and voice data by above-mentioned tuning 302 selected certain electric wave are exported by broadcast portion 305 and loud speaker 306 respectively.
Above-mentioned broadcast portion 305 can play the video data by above-mentioned image/acoustic processing portion 303 outputs.
Above-mentioned loud speaker 306 can be exported the voice data by above-mentioned image/acoustic processing portion 303 outputs.
Frequency modulation-transmitter (FM-TX) portion 304 sends after can converting the voice data that above-mentioned image/acoustic processing portion 303 passes over to the form of FM signal.
FM receiver 320 can receive the transmission of above-mentioned FM signal, and is exported.
Again concretely, the image device that the present invention is had a FM-TX function is elaborated as follows.
In frequency search part 308, can retrieve channel frequency by the received broadcast singal of the antenna (not illustrated) of above-mentioned image device 301.And said frequencies search part 308 can also be retrieved the received FM-TX channel frequency by above-mentioned FM-TX portion 304 simultaneously.
But, for convenience of explanation, channel frequency at this above-mentioned broadcast singal is assumed to 187.25MHZ, 193.25MHZ, 199.25MHZ, 211.25MHZ, 223.25MHZ, and above-mentioned FM-TX channel frequency is assumed to 96.2MHZ, 96.4MHZ, 96.6MHZ, 105.4MHZ, 105.6MHZ.
Storage part 309 can be stored the integer multiple frequency and the above-mentioned FM-TX channel frequency that retrieves of the channel frequency of the above-mentioned broadcast singal that retrieves.
The channel frequency that the integer multiple frequency of the channel frequency of above-mentioned broadcast singal can be defined as above-mentioned broadcast singal is divided exactly resulting frequency numerical value by natural number.Particularly, above-mentioned natural number can be 1,2,3, and at this moment, the channel frequency of above-mentioned broadcast singal can be as shown in table 1.
[table 1]
| The channel frequency of broadcast singal | 187.25MHZ | 193.25MHZ、 | 199.25MHZ、 | 211.25MHZ、 | 223.25MHZ |
| ÷1 | 187.25MHZ | 193.25MHZ、 | 199.25MHZ、 | 211.25MHZ、 | 223.25MHZ |
| ÷2 | 93.63MHZ | 96.63MHZ | 99.63MHZ | 105.63MHZ | 111.63MHZ |
| ÷3 | 62.42MHZ | 64.42MHZ | 66.42MHZ | 70.42MHZ | 74.42MHZ |
Whether there is consistent frequency in the integer multiple frequency that judging part 310 can be judged in above-mentioned storage part 309 storage and the FM-TX channel frequency.
In the FM-TX channel frequency of the integer multiple frequency of above-mentioned table 1 and above-mentioned supposition, almost consistent, just can be judged as in the FM-TX channel frequency is 96.6MHZ and 105.6MHZ.But, which scope being regarded as consistent here, can consider because picture noise (noise) amount that overlapping scope took place decides.
At this moment, channel switching part 311 can be set at the FM-TX channel frequency to the frequency (96.2MHZ) of frequency (96.6MHZ, the 105.6MHZ) highest distance position that is in the above-mentioned unanimity of distance.
Certainly, in the residual frequency (96.2MHZ, 96.4MHZ, 105.4MHZ) except the frequency (96.6MHZ, 105.6MHZ) of above-mentioned unanimity, can also set the FM-TX channel frequency by any one frequency.But as mentioned above, to set the reason of FM-TX channel frequency be in order to prevent to greatest extent noise (noise) to take place on the picture of image device by being positioned at frequency (96.2MHZ) apart from the farthest.
And the catalogue of the residual frequency (96.2MHZ, 96.4MHZ, 105.4MHZ) the frequency (96.6MHZ, 105.6MHZ) that above-mentioned broadcast portion 305 can also export except above-mentioned unanimity can make things convenient for the user to greatest extent.
Fig. 4 is based on the flow chart of control method of the image device of the FM-TX of having function of the present invention.With reference to Fig. 4, be elaborated as follows to control method based on the image device of the FM-TX of having function of the present invention.
Repeat to some extent for the explanation among particular and above-mentioned Fig. 3, will no longer repeat to introduce at this.But, so long as the practitioner in this field, just be appreciated that, implement the control method of the image device of this FM-TX of having function of the present invention.
The signal (S401) of automatic frequency search function is carried out in input.Implement signal of the present invention but the above-mentioned signal here is meant, the user both can import above-mentioned signal by the button of configuration separately, also can import above-mentioned signal automatically in the moment of the FM-TX function of carrying out image device.
When having imported above-mentioned signal, can retrieve the channel frequency and the FM-TX channel frequency (S402) of broadcast singal.
Store the integer multiple frequency and the above-mentioned FM-TX channel frequency (S403) that retrieves of the channel frequency of the above-mentioned broadcast singal that retrieves.
Whether judgement exists consistent frequency (S404) in the integer multiple frequency of above-mentioned storage and FM-TX channel frequency.
If above-mentioned judged result (S404) shows when existing consistent frequency, will be the frequency setting that is in the above-mentioned consistent frequency highest distance position of distance FM-TX channel frequency (S405).And, in remaining FM-TX channel frequency except above-mentioned consistent frequency, can also be any one frequency setting the FM-TX channel frequency.
And, as additional function, except above-mentioned consistent frequency, can also play remaining FM-TX channel frequency (S406).At this moment, the user of above-mentioned image device just can watch the frequency of being play, and can also select specific FM-TX channel frequency.
The present invention is not limited to the above embodiments, claim scope from behind as can be seen, the technical staff who possesses the common sex knowledge of the technical field of the invention can change, but this change all belongs within the scope of the present invention.
Claims (8)
1, the image device that has fm transmitter is characterized in that comprising as lower member:
Retrieve the channel frequency of the broadcast singal that is input to image device and the frequency search part of frequency modulation-transmitter channel frequency;
Store the integer multiple frequency of channel frequency of the above-mentioned broadcast singal that retrieves and the storage part of the above-mentioned frequency modulation that retrieves-transmitter channel frequency;
The judging part that whether has identical frequency in above-mentioned storage part in the integer multiple frequency that judgement is stored and the frequency modulation-transmitter channel frequency;
Is the frequency setting that is in the above-mentioned identical frequency highest distance position of distance the channel switching part of frequency modulation-transmitter channel frequency.
2, the image device with fm transmitter according to claim 1, the integer multiple frequency that it is characterized in that the channel frequency of described broadcast singal are that the channel frequency of above-mentioned broadcast singal is divided exactly the resulting frequency numerical value in back by natural number.
3, the image device with fm transmitter according to claim 2 is characterized in that described natural number is 1,2,3.
4, the image device with fm transmitter according to claim 1 is characterized in that also comprising the broadcast portion with following function, that is, except the frequency of above-mentioned unanimity, the catalogue of frequency modulation-transmitter channel frequency that output is remaining.
5, the control method that has the image device of fm transmitter is characterized in that comprising the steps:
Retrieve the channel frequency of the broadcast singal that is input to image device and the searching step of frequency modulation-transmitter channel frequency;
Store the integer multiple frequency of channel frequency of the above-mentioned broadcast singal that retrieves and the storing step of the above-mentioned frequency modulation that retrieves-transmitter channel frequency;
Whether judgement exists the determining step of identical frequency in the integer multiple frequency of above-mentioned storage and frequency modulation-transmitter channel frequency;
Is the frequency setting that is in the above-mentioned identical frequency highest distance position of distance the setting step of frequency modulation-transmitter channel frequency.
6, the control method with image device of fm transmitter according to claim 5, the integer multiple frequency that it is characterized in that the channel frequency of described broadcast singal are that the channel frequency of above-mentioned broadcast singal is divided exactly the resulting frequency numerical value in back by natural number.
7, the control method with image device of fm transmitter according to claim 6 is characterized in that described natural number is 1,2,3.
8, the control method with image device of fm transmitter according to claim 5 is characterized in that also comprising following step, except the frequency of above-mentioned unanimity, and the output step of frequency modulation-transmitter channel frequency catalogue that output is remaining.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020050079566 | 2005-08-29 | ||
| KR1020050079566A KR100651883B1 (en) | 2005-08-29 | 2005-08-29 | The display device for having fm transmitter and method for controlling the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1925567A true CN1925567A (en) | 2007-03-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006101260425A Pending CN1925567A (en) | 2005-08-29 | 2006-08-28 | The image device having fm transmitter and method for controlling the same |
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| Country | Link |
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| KR (1) | KR100651883B1 (en) |
| CN (1) | CN1925567A (en) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4428520C2 (en) * | 1994-08-11 | 1998-09-17 | Inventa Ag | Vibration-damping component or functional element |
| US5610947A (en) * | 1994-10-14 | 1997-03-11 | International Business Machines Corporation | IR FM modem with flash modulation |
| KR100248269B1 (en) * | 1997-06-10 | 2000-04-01 | 김영환 | Baseband analog device for dual band service |
| KR100248270B1 (en) * | 1997-06-10 | 2000-04-01 | 김영환 | Baseband analog device for dual band service |
| JP3547292B2 (en) * | 1997-06-17 | 2004-07-28 | アルプス電気株式会社 | Television signal receiving tuner |
| JP3524351B2 (en) * | 1997-10-22 | 2004-05-10 | アルプス電気株式会社 | Television tuner |
| KR200363911Y1 (en) * | 1998-12-23 | 2004-12-17 | 엘지전자 주식회사 | Power Control Apparatus of Mobile Phone using by Dual Modeor Triple Mode |
| JP2002359571A (en) * | 2001-05-31 | 2002-12-13 | Alps Electric Co Ltd | Television tuner |
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2005
- 2005-08-29 KR KR1020050079566A patent/KR100651883B1/en not_active IP Right Cessation
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- 2006-08-28 CN CNA2006101260425A patent/CN1925567A/en active Pending
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| KR100651883B1 (en) | 2006-12-01 |
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