CN102566650A - Method for quick frequency modulation and channel selection by using knob - Google Patents
Method for quick frequency modulation and channel selection by using knob Download PDFInfo
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- CN102566650A CN102566650A CN2011103828284A CN201110382828A CN102566650A CN 102566650 A CN102566650 A CN 102566650A CN 2011103828284 A CN2011103828284 A CN 2011103828284A CN 201110382828 A CN201110382828 A CN 201110382828A CN 102566650 A CN102566650 A CN 102566650A
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- knob
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- frequency
- channel selection
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- Circuits Of Receivers In General (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
Abstract
The invention relates to a method for quick frequency modulation and channel selection by using a knob. The method comprises the following steps of: setting a default step, wherein the frequency of a radio station correspondingly gets forwards or backwards by a default step every time when the knob is turned by a grid; subsequently adjusting the step corresponding to every turn of a grid of the knob according to the speed of adjusting the knob by a user and interruption frequency produced in adjustment of the knob; and circulating in turn until the frequency point radio station required by the user is found. By using the method, the frequency of adjusting the radio station by the user by using the knob can be effectively increased, the user experience is improved, and the market competition of a product can be improved for an in-vehicle infotainment system manufacturer.
Description
Technical field
The present invention relates to a kind of radio knob design, be specifically related to a kind of method that can utilize knob to reach the fast frequency hopping channel selection.
Background technology
Most of in-vehicle multi-media systems all have radio function, and in the multimedia system of a lot of high-end or low sides, are all also keeping the function that knob is manually transferred platform.For example the user wants to listen to the radio station that is positioned at the 100MHz channel, and the current 87.5MHz frequency range that is in then needs to be transferred to 100MHz through manual knob from 87.5MHz, according to general design, needs turn at least 80 step-lengths to reach this frequency range, and the turn time is longer.And through step-length being strengthened when solving the problem of turn overlong time, the radio station frequency range that must cause being received is less.Even be provided with automatic function of search in some radio system; If but the user is in signal location preferably; The radio station that possibly be in 87.5MHz-100MHz (perhaps 87.5MHz-108MHz-100MHz) wave band also has a lot; Like this, the user still has to rotate the accurate location that repeatedly could accomplish the radio station.It is thus clear that adopt knob manually to transfer the design of platform perfect not enough at present, the impersonality design.
Summary of the invention
Below will combine accompanying drawing and embodiment that the present invention is explained in further detail for the ease of it will be appreciated by those skilled in the art that.
The disclosed method of utilizing the channel selection of knob fast frequency hopping is based on transfers the operating speed of platform process to carry out real-time analysis to the user, and makes a response fast, adjusts knob automatically and rotates pairing frequency modulation step-length, realizes fast frequency hopping channel selection function.At first be provided with one in the said method and rotate the pairing frequency of lattice adjustment step-length with the radio knob; Be called acquiescence step-length STEP; Be every rotation one lattice of knob; Corresponding frequency of radio station moves back an acquiescence step-length STEP with regard to stepping or step, and the follow-up speed of then adjusting knob according to the operator is adjusted the pairing step-length of every rotation one lattice of knob with the adjustment interruption times that knob produced.
Usually in the design, every rotation one lattice of knob just produce once and interrupt.General user's a spinning movement has four or five interruptions, and the number of times of rotation it has been generally acknowledged that from target frequency distant, corresponding strengthened step-length than comparatively dense the time, otherwise, the then corresponding step-length that reduces; In addition, in time,, can strengthen step-length, otherwise the then corresponding step-length that reduces, the method for the invention also are based on this design if the time interval of twice adjustment in setting range, then thinks distant from target frequency.
Like Fig. 1, the idiographic flow of this method is:
(1) user for the first time during rotary knob, the rule that frequency of radio station moves back an acquiescence step-length STEP according to stepping or step changes; System detects knob-operated in real time in the frequency adjustment process; If total interruption several number that rotation produces is in 3 times; Then frequency of radio station perhaps goes on foot the rule variation of moving back (current step-length/2) according to stepping, if but current step-length has been STEP, then do not change;
(2), think that then working as time accent platform finishes, and transfers platform to operate and get into next time if total number of interruptions that rotation produces reaches more than 3 times or 3 times;
(3) in transferring the platform operation next time; The break period first time that needs further to judge this knob rotation generation is apart from the time interval of transferring the last interruption generating of platform last time; If should not satisfy in the time interval setting range greater than 500ms less than 1500ms; Then frequency of radio station perhaps goes on foot the rule variation of moving back (current step-length/2) according to stepping, if but current step-length has been STEP, then do not change; Continue to detect the time interval between twice interruption again; In case satisfy greater than 500ms less than the setting range of 1500ms, then the frequency of radio station rule of moving back (the current step-length of 2*) according to stepping or step changes like this time interval, but current step-length must not be greater than 8 times acquiescence step-length;
(4) be back to the incipient stage, continue the interruption times that the monitor user ' rotary knob produces, circulation successively is until finding the required frequency of user radio station.
In the said process, judge that the interruption monitoring number of times of twice adjustment institute foundation can specifically be set according to actual conditions, be preferably 3 times; The setting-up time scope of step-length adjustment institute foundation and the maximum adjustment multiple of step-length can specifically be set according to actual conditions too, and the setting-up time scope is preferably 500ms-1500ms, sets multiple and is preferably 8 times.
The method of the invention is not limited to radio knob rotation frequency modulation, can be applied to any similar employing knob and adjust the situation that realizes that fixed point is sought.
The foregoing description need to prove for the preferred version that the present invention realizes, conceives under the prerequisite not breaking away from the present invention, and any conspicuous replacement and subtle change are all within protection scope of the present invention.
Claims (4)
1. utilize the method for knob fast frequency hopping channel selection, the steps include:
Acquiescence step-length STEP is set, and the user begins rotary knob, every rotation one lattice, and frequency of radio station stepping or step are moved back an acquiescence step-length STEP;
Monitoring gets into adjustment next time when time knob action if the interruption times that user's rotary knob produces more than set point number, is then thought; Otherwise execution in step (6);
After getting into adjustment next time; Judge that this adjustment is this generation time of adjusting first interruption was adjusted last interruption generating apart from last time the time interval apart from the time interval of adjustment last time; As this time interval in setting range, execution in step (4) then, otherwise execution in step (6);
Rotate lattice, frequency of radio station stepping or step are moved back the twice of current step-length, but are not more than the setting multiple of acquiescence step-length STEP;
After accomplishing rotation this time, return execution in step (2);
User's rotary knob rotates lattice, if current step-length has been STEP, does not then change; If current step-length >=2*STEP, frequency of radio station stepping or step are moved back the half the of current step-length, get into step (2) once more.
2. the method for utilizing the channel selection of knob fast frequency hopping according to claim 1 is characterized in that: the said setting-up time scope of step (3) is 500ms-1500ms.
3. the method for utilizing the channel selection of knob fast frequency hopping according to claim 1 is characterized in that: the said set point number of step (2) is 3-4 time.
4. the method for utilizing the channel selection of knob fast frequency hopping according to claim 1 is characterized in that: the said setting multiple of step (4) is 8 times.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110382828.4A CN102566650B (en) | 2011-11-28 | 2011-11-28 | Method for quick frequency modulation and channel selection by using knob |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110382828.4A CN102566650B (en) | 2011-11-28 | 2011-11-28 | Method for quick frequency modulation and channel selection by using knob |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102566650A true CN102566650A (en) | 2012-07-11 |
| CN102566650B CN102566650B (en) | 2014-03-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110382828.4A Active CN102566650B (en) | 2011-11-28 | 2011-11-28 | Method for quick frequency modulation and channel selection by using knob |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2537175Y (en) * | 2002-03-28 | 2003-02-19 | 唐万松 | Radio recorder with quick programme switch |
| CN1665281A (en) * | 2004-03-02 | 2005-09-07 | 鸿富锦精密工业（深圳）有限公司 | System and method for favored TV channel control by single turnbutton |
| JP2010087766A (en) * | 2008-09-30 | 2010-04-15 | Kenwood Corp | Channel frequency setting apparatus |
| US20110196867A1 (en) * | 2010-02-11 | 2011-08-11 | David Hyman | System and method of generating a playlist based on a frequency ratio |
-
2011
- 2011-11-28 CN CN201110382828.4A patent/CN102566650B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2537175Y (en) * | 2002-03-28 | 2003-02-19 | 唐万松 | Radio recorder with quick programme switch |
| CN1665281A (en) * | 2004-03-02 | 2005-09-07 | 鸿富锦精密工业（深圳）有限公司 | System and method for favored TV channel control by single turnbutton |
| JP2010087766A (en) * | 2008-09-30 | 2010-04-15 | Kenwood Corp | Channel frequency setting apparatus |
| US20110196867A1 (en) * | 2010-02-11 | 2011-08-11 | David Hyman | System and method of generating a playlist based on a frequency ratio |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102566650B (en) | 2014-03-12 |
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Address after: 516006 Guangdong province Huizhou Zhongkai hi tech Industrial Development Zone Pearl River Road No. 1 Patentee after: HUIZHOU DESAY SV AUTOMOTIVE CO., LTD. Address before: 516006 Guangdong province Huizhou Zhongkai hi tech Industrial Development Zone Pearl River Road No. 1 Patentee before: Huizhou Desay SV Auto. Electronics Co., Ltd. |