CN1917569B - Image appliance capable of affirming output intensity and radio frequency signal channel setting method - Google Patents
Image appliance capable of affirming output intensity and radio frequency signal channel setting method Download PDFInfo
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- CN1917569B CN1917569B CN2006101287625A CN200610128762A CN1917569B CN 1917569 B CN1917569 B CN 1917569B CN 2006101287625 A CN2006101287625 A CN 2006101287625A CN 200610128762 A CN200610128762 A CN 200610128762A CN 1917569 B CN1917569 B CN 1917569B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/60—Receiver circuitry for the reception of television signals according to analogue transmission standards for the sound signals
- H04N5/62—Intercarrier circuits, i.e. heterodyning sound and vision carriers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/60—Receiver circuitry for the reception of television signals according to analogue transmission standards for the sound signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/08—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Circuits Of Receivers In General (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The present invention relates to an image appliance capable of affirming output intensity and radio frequency signal channel setting method. The present invention is characterized in that the provided image appliance capable of affirming output intensity comprises the following components: in the given frequency zone, increasing or decreasing orderly the inputted sound signal by a unit of the given frequency zone to regulate the inputted sound signal to radio frequency and then outputting the adjusted sound signal to the air; receiving induction degree acknowledge information based on each frequency zone received from the output density acknowledge device; plural radio frequency channel information with good receiving induction degree are set as preferred frequency channel information of the image appliance; receiving and adjusting the radio frequency outputted from the image appliance and determining each corresponding frequency zone; transmitting the determined receiving induction degree information of each frequency zone to the output density acknowledge device of the image appliance. Thus, the present invention is capable of setting frequency channel with good receiving induction degree easily, and improving the satisfaction degree of the consumer to the radio frequency channel.
Description
Technical field
The present invention is the image apparatus related invention, during especially by wireless radio frequency transmissions sound (Sound), the image apparatus of the output intensity confirmed that can use by the first choice frequency that is set with the sensation of frequency response and wireless frequency signal channel setting method related invention thereof.
Background technology
The modern is using multiple electronic equipments, and especially image apparatus such as TV is the necessity of family.Image apparatus such as TV can only be watched simple several program when just appearing on the market, can be but nowadays become by tens of, and the instrument of hundreds of the multiple information of program acquisition.And the device that the voice output that will mate the image (Video) with display output in image apparatus is carried out posting a letter by antenna FM modulation back is called wireless radio frequency transmissions (FM TX) function.At this moment, receiving instrument can adopt FM broadcast receiver or audio system (sound equipment (Component), home theater etc.), the image apparatus that plays the sender effect is aimed at the audio system FM frequency band territory of playing the receiving instrument effect, then can from image apparatus, be listened in progress sound (or voice).Below, serve as the image apparatus that possesses the wireless radio frequency transmissions function that adopts conventional art with reference to introducing with additional picture.
Fig. 1 is for introducing the square frame composition diagram of the image apparatus that possesses the wireless radio frequency transmissions function that adopts conventional art.
Adopting the image apparatus that possesses the wireless radio frequency transmissions function 10 of conventional art is by control part 11, and post a letter portion 12 and ultraviolet acceptance division 13 of wireless frequency formed.Control part 11 is handled by the outside and is received and accept instrument 20 and accept the voice signal of loud speaker 30 outputs of instrument 20 through being connected wireless frequency through wireless frequency, and it can be sent from the wireless frequency portion 12 that posts a letter.Wireless frequency is posted a letter after voice signals that 12 pairs in portion receives from control part 11 modulate (modulation), sends with the wireless frequency in set FM band territory.Ultraviolet ray acceptance division 13 receives the input of control signal etc. from the remote controller of image apparatus 10.Be to receive to post a letter it to be carried out demodulation behind the wireless frequency of portion's 12 transmission, afterwards by loud speaker 30 output sounds (sound) by wireless frequency.The image apparatus that possesses the wireless radio frequency transmissions function 10 of this employing conventional art is to be input to image and sound in the image apparatus 10 by the display part (not shown) of image apparatus 10 and loud speaker (not shown) basically.And, as additional function, can be when exporting the sound corresponding with the image that shows by display part by loud speaker, can utilize the wireless radio frequency transmissions function to pass through: the outfit broadcast receiver different with image apparatus 10 or the audio system of tuber function are (for example, Miniature acoustics, home theater etc.) be that wireless frequency is accepted instrument 20 output sounds.
For this reason, wireless frequency post a letter portion 12 with voice output to FM frequency band territory, wireless frequency is accepted 20 in instrument and is searched behind this frequency band territory by loud speaker 30 outputs.At this moment, current FM frequency band territory of using is 88.0MHz 108MHz, is to send after the unit change setting frequency usually with 0.1MHz, and the recipient receives after also being set at corresponding band territory.But, because avoid and original overlapping frequency band territory, radio programs band territory, image apparatus 10 users to suitably adjust wireless frequency post a letter portion 12 transmission frequency band territory and, what wireless frequency was accepted instrument 20 accepts the frequency band territory, with the frequency band territory transmitting-receiving sound of the best.When using the image apparatus 10 of this employing conventional art, the user in order to listen to the sound of exporting from image apparatus 10 by broadcast receiver or audio system, needs to select to prepare to be transmitted as the frequency band territory of wireless frequency when watching program by image apparatus 10.And, by wireless frequency accept instrument 20 set with image apparatus 10 in consistent frequency band territory, selected frequency band territory.At this moment, corresponding frequencies band territory will be set to the channel of transmitting-receiving sound.And, if receive the low or waviness phenomena of sensitivity when serious, image apparatus 10 and wireless frequency are accepted instrument 20 frequency separately change to other frequencies (frequency band territory), listen to sound (SOUND) receiving the good frequency of sensitivity.
But the image apparatus of the outfit wireless radio frequency transmissions function of this employing conventional art has following problem points.
The first, mix letter and receive the sensitivity reduction with overlapping then can the causing of original FM radio programs, so the user needs manually to be provided with to make it avoid corresponding frequencies band territory, inconvenient operation.
The second, be that unit can carry out the frequency change to wireless frequency band territory with 0.1Mhz, therefore need 200 channels of manual search either (Search), therefrom find best frequency band territory.But its channel number is too many, and the user is difficult to find optimum frequency band territory, needs certain patience.
Goal of the invention:
The present invention proposes for the problem points that solves above-mentioned conventional art, the present invention is to provide: can send in the image apparatus of wireless frequency, the wireless frequency channel that receives the recipient of wireless frequency can be automatically made the optimum frequency channel, be purpose with its image apparatus that can confirm output intensity and wireless frequency first choice frequency channel setting thereof of being with the frequency channel in territory to be set at the first choice frequency channel.
To achieve these goals, the present invention takes following technical scheme to realize:
A kind of image apparatus of confirming output intensity, comprise: is that unit successively increase or reduce with set channel band territory with the voice signal of input in set frequency band territory, with its be modulated to output to behind the wireless frequency signal aerial, according to confirming that from output intensity each frequency band territory that instrument receives receives the sensitivity confirmation, the a plurality of wireless frequency channel informations that sensitivity is arranged that receive are made as the image apparatus and the reception of first choice frequency channel information and modulate the above-mentioned wireless frequency signal that is made as the image apparatus output of first choice frequency channel information, confirm corresponding each frequency band territory, each frequency band territory of confirming is received sensitivity information send to the above-mentioned output intensity affirmation instrument that is made as the image apparatus of first choice frequency channel information.
The aforementioned image apparatus of confirming output intensity is characterized in that the above-mentioned image apparatus that is made as the first choice frequency channel information comprises following assembly:
(1) by the frequency band territory of setting voice signal is modulated wireless frequency that the back the sends portion that posts a letter;
(2) receive the wireless signal acceptance division of reception sensitivity confirmation of confirming the wireless frequency signal in each frequency band territory of sending the instrument from above-mentioned output intensity;
(3) storage is about the reception sensitivity confirmation of a plurality of wireless frequency channels and the storage part of a plurality of first choice frequency channel informations;
(4) in set frequency band territory, increase successively or reduce and be transferred to the wireless frequency portion that posts a letter behind the voice signal of above-mentioned input, will confirm that reception sensitivity confirmation in the instrument and a plurality of wireless frequency channel informations of sensitivity that have that will receive are set at the control part that stores above-mentioned storage part behind the above-mentioned first choice frequency channel information into by the above-mentioned output intensity that the wireless signal acceptance division receives with set cps.
The aforementioned image apparatus of confirming output intensity is characterized in that above-mentioned output intensity affirmation instrument comprises following assembly:
(1) receives the wireless frequency acceptance division of modulating behind the wireless frequency signal of sending from the above-mentioned image apparatus that is made as the first choice frequency channel information;
(2) the output intensity confirmation unit of the reception sensitivity in each frequency band territory of the corresponding frequencies after the above-mentioned modulation of affirmation;
(3) the reception sensitivity confirmation after the above-mentioned affirmation is modulated to the wireless frequency signal that sends to the image apparatus that is made as the first choice frequency channel information behind the wireless frequency signal portion that posts a letter.
The aforementioned image apparatus of confirming output intensity is characterized in that above-mentioned output intensity affirmation instrument comprises following assembly:
(1) wireless frequency signal is simulated/signal conversion part of digital signal conversion;
(2) be with domain operation to carry out the control part of the reception sensitivity of the digital wireless frequency signal of changing from above-mentioned signal conversion part by each.
The aforementioned image apparatus of confirming output intensity is characterized in that above-mentioned output intensity confirms that instrument adds the remote controller of the control signal of sending the above-mentioned image apparatus that is made as the first choice frequency channel information of far distance controlled.
The aforementioned image apparatus of confirming output intensity, the control signal that it is characterized in that posting a letter wireless signal portion and remote controller adopt ultraviolet signal or Bluetooth signal to send.
A kind of wireless frequency first choice frequency channel setting method of image apparatus, comprise: (1) is that unit successively increase or reduce with set channel band territory with the voice signal of input in set frequency band territory, and outputs to aerial step after it is modulated to wireless frequency signal;
(2) according to the reception sensitivity confirmation of confirming each frequency band territory that instrument receives from output intensity, each frequency band territory of confirming is received sensitivity information send to the above-mentioned step that is made as the image apparatus of first choice frequency channel information;
(3) and, confirm the reception sensitivity confirmation in each frequency band territory that instrument receives a plurality of wireless frequency channel informations that sensitivity is arranged that receive to be outputed to the above-mentioned step that is set at wireless frequency first choice frequency channel that is made as the image apparatus of first choice frequency channel information according to above-mentioned output intensity.
The wireless frequency first choice frequency channel setting method of aforementioned image apparatus is characterized in that comprising: (1) is shown to set first choice frequency channel information the step display of the display part of the above-mentioned image apparatus that is made as the first choice frequency channel information;
(2) according to the first choice frequency channel information of above-mentioned demonstration, receive the wireless frequency signal of the above-mentioned image apparatus output that is made as the first choice frequency channel information after, the wireless frequency of setting output sound is accepted the step of the frequency of instrument.
Therefore, according to the present invention, when arriving the recipient, can search automatically not exist and mix the optimal wireless frequency channel of believing and accepting phenomenons such as sensitivity is low by the sound in the wireless frequency channel transmission image apparatus, therefore for the user provides convenience, can export best sound.
As mentioned above, the present invention can confirm that the image apparatus of output intensity and wireless frequency signal channel setting method thereof have following beneficial effect:
The first, can search for automatically and receive the frequency band territory that sensitivity is arranged.
The second, receive the frequency band territory that sensitivity is arranged because can search for automatically, improve user's ease of use.
The 3rd, remove client to mixing discontented the loaded down with trivial details of setting contents of channel that reach of letter, can improve customer satisfaction.
Description of drawings:
Fig. 1 is for introducing the square frame composition diagram of the image apparatus that possesses the wireless radio frequency transmissions function that adopts conventional art.
Fig. 2 is a square frame composition diagram of introducing the image apparatus of the output intensity confirmed among the present invention.
Fig. 3 be introduce among Fig. 2 shown in output intensity confirm the square frame composition diagram of instrument.
Fig. 4 is a flow chart of introducing the wireless frequency first choice frequency channel setting method of image apparatus of the present invention.
Wherein major part symbolic representation among the figure:
100: image apparatus 110: control part
120: the wireless frequency portion 130 that posts a letter: wireless signal acceptance division
140: storage part 200: the wireless frequency receiver
300: output intensity is confirmed instrument 310: the wireless frequency acceptance division
320: output intensity confirmation unit 321: signal conversion part
322: control part 330: the wireless signal portion that posts a letter
400: the voice output instrument
Embodiment:
Below, serve as follows with additional picture with reference to introducing preferred example of the present invention.
Fig. 2 adopts the square frame composition diagram that can confirm the image apparatus of output intensity of the present invention for introducing.
Adopt the image apparatus that to confirm output intensity of the present invention to confirm that by image apparatus 100, output intensity instrument 300 forms.Wherein image apparatus 100 in set frequency band territory with set frequency band territory be unit increase successively or reduce the input voice signal, with its be modulated to output to behind the wireless frequency signal aerial, according to confirming that from output intensity above-mentioned each frequency band territory that instrument 300 receives receives the sensitivity confirmation, is made as the first choice frequency channel information with a plurality of wireless frequency channel informations that sensitivity is arranged that receive.And, after output intensity is confirmed that instrument 300 receives the wireless frequency signal of above-mentioned image apparatus output and it is modulated, confirm corresponding each frequency band territory, each frequency band territory reception sensitivity information of confirming is sent to above-mentioned image apparatus 100.More specifically introduce, above-mentioned image apparatus 100 is made up of post a letter portion 120, wireless frequency signal acceptance division 130, storage part 140 of control part 110, wireless frequency signal.Wherein, wireless frequency is posted a letter after the voice signal modulation (modulation) that portion 120 will receive from control part 110, sends with set frequency band territory.Wireless frequency signal acceptance division 130 receives output intensity and confirms that the frequency signal in each frequency band territory of the image apparatus 100 that instrument 300 transmits receives the sensitivity confirmation, and, receive control signal from remote controller.The output of storage part 140 stored images apparatuses 100 about storing above-mentioned reception sensitivity confirmation and a plurality of first choice frequency channel information about a plurality of wireless frequency channels.
And, control part 110 is sent to the wireless frequency signal portion 120 that posts a letter with the voice signal of input, receive by wireless frequency signal by wireless frequency signal acceptance division 130 and to post a letter after the reception sensitivity confirmation of recipient that portion 120 sends wireless frequency, store storage part 140 into after a plurality of wireless frequencies that sensitivity is arranged that receive are set at the first choice frequency channel, make wireless frequency signal post a letter portion 120 as sending voice signal one of in the corresponding frequencies channel.
And, output intensity is confirmed that instrument 300 receives to be posted a letter by wireless frequency signal and it is modulated behind the wireless frequency that portion 120 sends, confirm the reception sensitivity in corresponding each frequency band territory, the reception sensitivity confirmation in corresponding each frequency band territory of confirming is sent to.This output intensity affirmation instrument 300 can be established in addition, appended the control signal of confirming to send control image apparatus 100 remote controller output intensity function and receive the function of wireless frequency, make its ultraviolet signal or Bluetooth signal of adopting when sending control signal send corresponding reception sensitivity confirmation.
Wireless frequency is accepted instrument 200 and is received to be posted a letter by wireless frequency signal and it is modulated the back by output instrument 400 output sounds behind the wireless frequency that portion 120 sends.
Fig. 3 be introduce among Fig. 2 shown in output intensity confirm the square frame composition diagram of instrument.
Adopt output intensity of the present invention to confirm instrument 300 by wireless frequency acceptance division 310, output intensity confirmation unit 320 and the wireless signal portion 330 that posts a letter forms.Wherein wireless frequency acceptance division 310 receives to be posted a letter by the wireless frequency of image apparatus 100 and it is modulated behind the wireless frequency that portion 120 sends.Output intensity confirmation unit 320 is confirmed the reception sensitivity in each frequency band territory of the corresponding frequencies after the modulation.The wireless signal portion 330 that posts a letter will receive the sensitivity confirmation and be modulated to the wireless signal acceptance division 130 that is sent to image apparatus 100 behind the wireless signal.Wherein above-mentioned output intensity confirmation unit 320 is converted to the signal conversion part 321 of simulation/digital signal by the wireless frequency that will receive and forms from the control part 322 that signal conversion part 321 carries out the reception sensitivity of the digital wireless frequency signal of changing by each band domain validation (computing).
This output intensity confirms that instrument 300 is after wireless frequency acceptance division 310 receives the wireless frequency that image apparatus 100 send it to be modulated, wireless frequency after the conversion modulation of signal conversion part 321 simulation/numbers, then control part 322 is confirmed after the reception sensitivity that wireless frequency that (computing) carry out digital conversion embodies with electric field strength to send to the wireless signal acceptance division 130 of image apparatus 100 by the wireless signal portion 330 that posts a letter.
Fig. 4 is a flow chart of introducing the wireless frequency first choice frequency channel setting method of image apparatus of the present invention.
Adopt the wireless frequency first choice frequency channel setting method of image apparatus of the present invention from the menu function of image apparatus, to select first choice frequency channel setting S100.Thus, in the display part of image apparatus, carry out screen video control OSD and judge whether setting wireless frequency first choice frequency channel S110, if cancellation then will finish.But if want setting wireless frequency first choice frequency channel when ' being ' (selection), then control part sends to the wireless frequency signal S120 of portion that posts a letter with selected frequency information.At this moment, for example be to be standard and for FM frequency band territory with domestic, then from 88MHz to 108MHz, be that unit sends frequency information when improving frequency (or from 108MHz to 88MHz, being that unit reduces with 0.1MHz) with 0.1MHz.The wireless frequency signal frequency information that portion sends according to control part of posting a letter is modulated to the voice signal of preparing output behind the respective wireless frequency signal output and sends S130.At this moment, the wireless frequency signal after the voice signal modulation of carrying out by the wireless frequency signal portion of posting a letter output also sends to output intensity and confirms that in output intensity instrument carries out corresponding information being sent to image apparatus S140 after output intensity confirms when confirming instrument.The control part of image apparatus receives corresponding information by the wireless frequency signal acceptance division, and the storage corresponding information is established S150 in the position to storage part.Control part improves frequency S160 with set unit, judge whether for final channel be last frequency S170.If judged result S170 for not being final channel, then repeats S120 to the S160 stage.But, if judged result S170 for being final channel, then finishes the electric field strength of all channels is confirmed S180.Thus, after the interior frequency data of setting order are set at the first choice frequency channel in the electric field strength, adopt OSM to show corresponding contents S190.Therefore, user's frequency of adopting OSD to show is adjusted wireless frequencies such as broadcast receiver or audio system to accept instrument 200 frequencies is corresponding frequencies in the setting order.Therefore the user can listen to sound (Sound) by the frequency channel with best sensitivity characteristic.
The technical scheme that form obtained of replacements such as the foregoing description limits the present invention never in any form, all employings or equivalent transformation all drops within protection scope of the present invention.
Claims (8)
1. the image apparatus that can confirm output intensity, comprise: is that unit successively increase or reduce with set channel band territory with the voice signal of input in set frequency band territory, with its be modulated to output to behind the wireless frequency signal aerial, according to confirming that from output intensity each frequency band territory that instrument receives receives the sensitivity confirmation, the a plurality of wireless frequency channel informations that sensitivity is arranged that receive are made as the image apparatus and the reception of first choice frequency channel information and modulate the above-mentioned wireless frequency signal that is made as the image apparatus output of first choice frequency channel information, confirm corresponding each frequency band territory, each frequency band territory of confirming is received sensitivity information send to the above-mentioned output intensity affirmation instrument that is made as the image apparatus of first choice frequency channel information.
2. the image apparatus of confirming output intensity according to claim 1 is characterized in that the above-mentioned image apparatus that is made as the first choice frequency channel information comprises following assembly:
(1) by the frequency band territory of setting voice signal is modulated wireless frequency that the back the sends portion that posts a letter;
(2) receive the wireless signal acceptance division of reception sensitivity confirmation of confirming the wireless frequency signal in each frequency band territory of sending the instrument from above-mentioned output intensity;
(3) storage is about the reception sensitivity confirmation of a plurality of wireless frequency channels and the storage part of a plurality of first choice frequency channel informations;
(4) in set frequency band territory, increase successively or reduce and be transferred to the wireless frequency portion that posts a letter behind the voice signal of above-mentioned input, will confirm that reception sensitivity confirmation in the instrument and a plurality of wireless frequency channel informations of sensitivity that have that will receive are set at the control part that stores above-mentioned storage part behind the above-mentioned first choice frequency channel information into by the above-mentioned output intensity that the wireless signal acceptance division receives with set cps.
3. the image apparatus of confirming output intensity according to claim 1 is characterized in that above-mentioned output intensity affirmation instrument comprises following assembly:
(1) receives the wireless frequency acceptance division of modulating behind the wireless frequency signal of sending from the above-mentioned image apparatus that is made as the first choice frequency channel information;
(2) the output intensity confirmation unit of the reception sensitivity in each frequency band territory of the corresponding frequencies after the above-mentioned modulation of affirmation;
(3) the reception sensitivity confirmation after the above-mentioned affirmation is modulated to the wireless frequency signal that sends to the image apparatus that is made as the first choice frequency channel information behind the wireless frequency signal portion that posts a letter.
4. the image apparatus of confirming output intensity according to claim 3 is characterized in that above-mentioned output intensity affirmation instrument comprises following assembly:
(1) wireless frequency signal is simulated/signal conversion part of digital signal conversion;
(2) be with domain operation to carry out the control part of the reception sensitivity of the digital wireless frequency signal of changing from above-mentioned signal conversion part by each.
5. the image apparatus of confirming output intensity according to claim 3 is characterized in that above-mentioned output intensity confirms that instrument adds the remote controller of the control signal of sending the above-mentioned image apparatus that is made as the first choice frequency channel information of far distance controlled.
6. the image apparatus of confirming output intensity according to claim 5, the control signal that it is characterized in that posting a letter wireless signal portion and remote controller adopt ultraviolet signal or Bluetooth signal to send.
7. the wireless frequency first choice frequency channel setting method of an image apparatus, comprise: (1) is that unit successively increase or reduce with set channel band territory with the voice signal of input in set frequency band territory, and outputs to aerial step after it is modulated to wireless frequency signal;
(2) according to the reception sensitivity confirmation of confirming each frequency band territory that instrument receives from output intensity, each frequency band territory of confirming is received sensitivity information send to the above-mentioned step that is made as the image apparatus of first choice frequency channel information;
(3) and, confirm the reception sensitivity confirmation in each frequency band territory that instrument receives a plurality of wireless frequency channel informations that sensitivity is arranged that receive to be outputed to the above-mentioned step that is set at wireless frequency first choice frequency channel that is made as the image apparatus of first choice frequency channel information according to above-mentioned output intensity.
8. the wireless frequency first choice frequency channel setting method of image apparatus according to claim 7 is characterized in that comprising: (1) is shown to set first choice frequency channel information the step display of the display part of the above-mentioned image apparatus that is made as the first choice frequency channel information;
(2) according to the first choice frequency channel information of above-mentioned demonstration, receive the wireless frequency signal of the above-mentioned image apparatus output that is made as the first choice frequency channel information after, the wireless frequency of setting output sound is accepted the step of the frequency of instrument.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020050115367 | 2005-11-30 | ||
| KR1020050115367A KR100698116B1 (en) | 2005-11-30 | 2005-11-30 | Display device capable output intensity check and method for setting radio frequency favourite channel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1917569A CN1917569A (en) | 2007-02-21 |
| CN1917569B true CN1917569B (en) | 2010-10-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006101287625A Expired - Fee Related CN1917569B (en) | 2005-11-30 | 2006-09-03 | Image appliance capable of affirming output intensity and radio frequency signal channel setting method |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR100698116B1 (en) |
| CN (1) | CN1917569B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102481714B1 (en) * | 2022-03-16 | 2022-12-29 | 승인수 | Conference Microphone System |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4496979A (en) * | 1983-11-22 | 1985-01-29 | Casat Technology, Inc. | FM High-fidelity processor |
| US5812607A (en) * | 1996-02-01 | 1998-09-22 | Qualcomm Incorporated | Method and apparatus for processing wideband data in a digital cellular communication system |
| CN1240296A (en) * | 1997-12-31 | 2000-01-05 | 万得利有限公司 | Apparatus for radio transmitting and receiving of portable karaoke |
| US20050009497A1 (en) * | 1999-08-25 | 2005-01-13 | Derome George E. | Dual-mode transmitter for railroad crossings |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR970032001A (en) * | 1995-11-07 | 1997-06-26 | 배순훈 | TV volume control method and device |
| KR970051002A (en) * | 1995-12-30 | 1997-07-29 | 전성원 | Broadcasting channel storage method of car audio system |
| JPH09298503A (en) * | 1996-05-08 | 1997-11-18 | Matsushita Electric Ind Co Ltd | Unidirectional radio receiver |
| JP2004312092A (en) * | 2003-04-02 | 2004-11-04 | Nec Corp | Wireless communication apparatus and channel selection method for wireless communication apparatus |
-
2005
- 2005-11-30 KR KR1020050115367A patent/KR100698116B1/en active IP Right Grant
-
2006
- 2006-09-03 CN CN2006101287625A patent/CN1917569B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4496979A (en) * | 1983-11-22 | 1985-01-29 | Casat Technology, Inc. | FM High-fidelity processor |
| US5812607A (en) * | 1996-02-01 | 1998-09-22 | Qualcomm Incorporated | Method and apparatus for processing wideband data in a digital cellular communication system |
| CN1240296A (en) * | 1997-12-31 | 2000-01-05 | 万得利有限公司 | Apparatus for radio transmitting and receiving of portable karaoke |
| US20050009497A1 (en) * | 1999-08-25 | 2005-01-13 | Derome George E. | Dual-mode transmitter for railroad crossings |
Non-Patent Citations (2)
| Title |
|---|
| CN 1240296 A,全文. |
| JP昭63-217842A 1988.09.09 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR100698116B1 (en) | 2007-03-26 |
| CN1917569A (en) | 2007-02-21 |
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