JP2010062702A - Preset device of broadcast receiver for vehicle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a preset device which more appropriately performs processing for presetting the frequency information of a broadcast radio wave in a plurality of channels, simplifies a presetting operation and further sets new frequency information after all channels which cn be set are set. <P>SOLUTION: Whenever a prescribed presetting operation is performed, new frequency information is set in an empty channel among a plurality of usable channels (S11, S12, S13 and S16). When there is no empty channel when the prescribed presetting operation is performed, the new frequency information is overwritten and set in a channel corresponding to a channel (for example, the maximum channel number) where frequency information is lastly set (S14 to S16). <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a preset device that presets frequencies of broadcast radio waves to a plurality of channels of a broadcast receiver mounted on a vehicle.

  Patent Document 1 discloses a broadcast receiver that can preset broadcast station data to a plurality of channels with a single operation key. Specifically, when the operation key is operated in the first operation mode, the channel designated by the operation is selected, and when the operation key is operated in the second operation mode, the broadcast being received The station's broadcast station data is set to the selected channel.

JP-A-2-262711

  In the conventional receiver described above, when presetting broadcast station data, it is necessary to always perform the first operation for designating channels. Therefore, the operation becomes complicated when setting a large number of channels.

  The present invention has been made paying attention to this point, and more appropriately performs the process of presetting the frequency information of the broadcast radio wave to a plurality of channels, simplifies the preset operation, and all the settable channels are set. A first object of the present invention is to provide a preset device for a broadcast receiver for a vehicle in which an appropriate setting operation is performed when new frequency information is set later.

  The present invention further provides a preset capable of adjusting the relationship between a channel and set frequency information and appropriately performing processing when newly setting frequency information when deleting frequency information of a preset channel. A second object is to provide an apparatus.

  In order to achieve the first object, the invention described in claim 1 is a preset device for a broadcast receiver for a vehicle, which presets frequency information of broadcast radio waves on a plurality of channels of a broadcast receiver mounted on a vehicle. A preset unit that sets the frequency information in an empty channel (CHVMIN) in the plurality of channels each time a predetermined preset operation is performed; and a determination unit that determines the presence or absence of an empty channel in the plurality of channels, The preset means overwrites new frequency information on the channel (CHMAX) in which the frequency information was last set when the determination means determines that there is no empty channel when the predetermined preset operation is performed. It is characterized by that.

  In order to achieve the second object, the invention described in claim 2 is a preset device for a broadcast receiver for a vehicle, which presets frequency information of broadcast radio waves on a plurality of channels of a broadcast receiver mounted on the vehicle. Each time a predetermined preset operation is performed, a preset means for setting the frequency information in an empty channel (CHMIN) of the plurality of channels, and a selection means for the operator to select a channel for deleting the set frequency information Erasing means for erasing the frequency information set in the channel (CHSEL) selected by the selecting means, and a channel (CHLST) in which the empty channel (CHSEL) from which the frequency information has been erased by the erasing means is set last. ) Is not set to a channel set after the empty channel (CHSEL) The frequency information is characterized by comprising a moving means for moving in the direction of the idle channel (CHSEL).

  According to the first aspect of the invention, every time a predetermined preset operation is performed, new frequency information is set for empty channels in a plurality of channels, so that it is possible to save time and effort for selecting a preset channel. . In addition, when it is determined whether or not there is an empty channel among a plurality of channels, and it is determined that there is no empty channel when a predetermined preset operation is performed, new frequency information is overwritten on the channel for which frequency information was last set. Therefore, new frequency information can be set without deleting old preset information that is presumed to be important to the driver.

  According to the second aspect of the present invention, the frequency information is set in the empty channels of the plurality of channels every time a predetermined preset operation is performed. Further, the channel for deleting the set frequency information is selected, and the frequency information set for the selected channel is deleted. When the empty channel from which the frequency information is erased is not the last set channel, the frequency information set for the channel set after the empty channel is moved in the direction of the empty channel. . Therefore, for example, in response to a predetermined preset operation, among the plurality of channels set in ascending order such as channel numbers 1, 2, 3,..., Channels other than the channel set last (for example, channel number 8) ( For example, when the frequency information of the channel number 3 is deleted, the frequency information set for the channel numbers 4 to 8 is moved to the channel numbers 3 to 7, respectively. The channel becomes an empty channel. As a result, when the next predetermined preset operation is performed, new frequency information is set in the channel 8, and the channel setting can be performed in the order in which the predetermined preset operation was performed. Save time and effort.

Embodiments of the present invention will be described below with reference to the drawings.
FIG. 1 is a block diagram showing the configuration of a vehicle broadcast receiving apparatus according to an embodiment of the present invention. The broadcast receiver shown in FIG. 1 receives and demodulates broadcast radio waves and outputs as a sound signal, a tuner 1 that amplifies the sound signal, a speaker 3 that outputs the sound signal as sound, and a user operation. An operation unit 4 for controlling the tuner 1, a control unit 5 for controlling the tuner 1, and a display unit 6 for displaying the selected channel and operation information.

  FIG. 2 is a diagram showing the external appearance of the operation unit 4 and the display unit 6. The operation unit 4 is provided at the center of the rotary operation knob 11 and the rotary operation knob 11 for performing a preset operation of the reception channel of the tuner 1. Buttons 18, selection keys 12 for selecting FM broadcast radio waves and AM broadcast radio waves, up and down movement keys 13 and 14, menu keys 15, seek keys 16 and 17, and various operation keys or knobs.

  Channel selection (reception frequency adjustment) is performed by operating the seek keys 16, 17, etc., and the button 18 is pressed for a predetermined time or longer (predetermined preset operation) while receiving a desired broadcast radio wave (predetermined preset operation). The frequency of the broadcast radio wave being received is set for the empty channel. In this embodiment, 30 preset channels with channel numbers 1 to 30 are prepared in advance, and the reception radio frequency is preset in ascending order from the channel with channel number 1. In addition, when selecting the reception radio frequency stored in advance, it is possible to select the channel by operating the up and down movement keys 13 and 14. In the following description, the channel of channel number n (= 1-30) is described as “channel n”.

  When the menu key 15 is pressed several times during broadcast reception (radio operation), “ERASE ALL” is displayed on the display unit 6 and when the button 18 is pressed in this state, all preset information is erased. When the rotary operation knob 11 is rotated, preset channels are sequentially displayed on the display unit 6. By pressing the button 18 in a state where a channel for which preset information is to be deleted is displayed, the preset information for that channel is deleted.

FIG. 3 is a flowchart showing a procedure of channel preset processing in the control unit 5.
In step S11, it is determined whether or not a predetermined preset operation has been performed. If not, the process is immediately terminated. When the predetermined preset operation is performed, it is determined whether or not there is an empty channel in the preset channel (step S12). If there is an empty channel, the set channel number CHSET is set to the minimum empty channel number CHVMIN having the smallest channel number among the empty channels (step S13). Then, the frequency information of the received broadcast radio wave is preset in the empty channel corresponding to the set channel number CHSET (step S16). The frequency information may be only the frequency or may include the frequency and the corresponding broadcasting station name. The frequency information is preset by storing the frequency information in a nonvolatile memory corresponding to the channel number.

  On the other hand, when there is no empty channel, the process proceeds from step S12 to step S14, the preset information of the channel corresponding to the maximum channel number CHMAX (in this embodiment, “30”) is deleted (step S14), and the set channel number CHSET is changed. The maximum channel number CHMAX is set (step S15), and the process proceeds to step S16. Therefore, in this case, new frequency information is overwritten on the channel corresponding to the maximum channel number CHMAX.

  FIG. 4 is a diagram for explaining the processing of FIG. 3, and FIG. 4 (a) corresponds to a case where a predetermined preset operation is performed in a state where the hatched channels 1 to 3 are already preset. To do. In this case, channel number 4 corresponds to the smallest available channel number CHVMIN, and channel 4 is preset.

  FIG. 4B corresponds to a case where a predetermined preset operation is performed in a state where there is no empty channel. In this case, new frequency information is overwritten on the channel having the maximum channel number CHMAX (= 30).

  As described above, in this embodiment, every time a predetermined preset operation is performed, new frequency information is set for empty channels in a plurality of usable channels, so that it is possible to save time and effort for selecting a preset channel. . When it is determined that there is no empty channel when a predetermined preset operation is performed, new frequency information is overwritten on the channel for which frequency information is set last, that is, the channel corresponding to the maximum channel number in this embodiment. Therefore, new frequency information can be set without deleting old preset information that is presumed to be highly important for the driver (user).

FIG. 5 is a flowchart showing a procedure for erasing preset frequency information.
It is determined whether or not a channel to be erased has been selected (step S21). If it has not been selected, the process is immediately terminated. When selected, the preset information of the channel corresponding to the selected channel number CHSEL is deleted (step S22), and whether or not the selected channel number CHSEL is equal to the last set channel number CHLST which is the channel number of the channel preset last. Is determined (step S23). If the answer is affirmative (YES), the process is immediately terminated.

  When the selected channel number CHSEL is not the final set channel number CHLST, the frequency information set in the channel having a channel number larger than the selected channel number CHSEL is moved in the direction of the channel corresponding to the selected channel number CHSEL. Then, a shift process for moving to a channel having a smaller channel number is performed (step S24).

  FIG. 6 is a diagram for explaining the shift processing. FIG. 6A shows preset information of channel 3 in a state where presets for channels 1 to 8 are completed (channels 9 and after are empty channels). Corresponds to the case of deletion. In this case, after erasing the preset information of channel 3, the preset information of channels 4 to 8 is moved to channels 3 to 7, respectively.

  FIG. 6B corresponds to the case where the selected channel number CHSEL is equal to the final set channel number CHLST. In this case, the answer to step S23 is affirmative (YES), and the shift process is not performed.

  FIG. 6C corresponds to the case where channel presets are performed in descending order (in the order of channel numbers 30, 29, 28,...) Instead of in ascending order. FIG. 6C shows an example in which the preset information of the channel 29 is deleted in a state where the presets of the channels 30 to 25 are completed. In this example, after the preset information of the channel 29 is erased, a shift process is performed in which the preset information of the channels 28 to 25 is moved to the channels 29 to 26 each having a larger channel number.

  As described above, in this embodiment, when a channel for deleting preset frequency information is selected and the frequency information set for the selected channel is deleted, an empty channel (CHSEL) from which frequency information has been deleted is obtained. When the channel number is not the last set channel number CHLST, the frequency information set in the channel set after the empty channel (CHSEL) is shifted in the direction of the empty channel (CHSEL). Accordingly, as shown in FIG. 6A, for example, frequency information of channel channel 3 among a plurality of channels set in ascending order such as channel numbers 1, 2, 3,... Corresponding to a predetermined preset operation. When is deleted, the frequency information set for channels 4 to 8 is moved to channels 3 to 7, respectively, so that channel 8 becomes an empty channel. As a result, when the next predetermined preset operation is performed, new frequency information is set for the channel 8, and the channel setting can be performed in the order in which the predetermined preset operation was performed.

  In the present embodiment, the tuner 1 corresponds to a broadcast receiver, and the operation unit 4 constitutes a selection unit. The control unit 5 constitutes preset means, determination means, erase means, and movement means.

  The present invention is not limited to the embodiment described above, and various modifications can be made. For example, when a predetermined preset operation is performed, not only the ascending order of channel numbers but also presetting of empty channels may be performed in descending order.

The broadcast radio wave is not limited to a radio broadcast radio wave, and the present invention is applicable to a television broadcast radio wave receiving apparatus.
The number of channels that can be preset is not limited to “30”, and the present invention can be applied to a broadcast receiving apparatus capable of performing presetting for two or more channels.

It is a block diagram which shows the structure of the broadcast receiver for vehicles concerning one Embodiment of this invention. It is a figure which shows the external appearance of the operation part and display part which are shown in FIG. It is a flowchart for demonstrating the preset process of frequency information. It is a figure for demonstrating the process of FIG. It is a flowchart for demonstrating the process which erases the preset frequency information. It is a figure for demonstrating the process of FIG.

Explanation of symbols

1 Tuner (broadcast receiver)
4 Operation part (selection means)
5 Control unit (preset means, determination means, erasure means, moving means)
6 Display section

Claims (2)

In a preset device for a broadcast receiver for a vehicle that presets frequency information of broadcast radio waves to a plurality of channels of a broadcast receiver mounted on a vehicle,
Each time a predetermined preset operation is performed, preset means for setting the frequency information to empty channels in the plurality of channels;
Determination means for determining the presence or absence of an empty channel among the plurality of channels,
The preset means, when the predetermined preset operation is performed, if the determination means determines that there is no empty channel, overwrites the new frequency information over the channel in which the frequency information was last set. A preset device for a vehicle broadcast receiver. In a preset device for a broadcast receiver for a vehicle that presets frequency information of broadcast radio waves to a plurality of channels of a broadcast receiver mounted on a vehicle,
Each time a predetermined preset operation is performed, preset means for setting the frequency information in an empty channel among the plurality of channels;
A selection means for the operator to select a channel for erasing the set frequency information;
Erasing means for erasing frequency information set in the channel selected by the selecting means;
Moving the frequency information set in the channel set after the empty channel in the direction of the empty channel when the empty channel from which the frequency information has been deleted by the erasing means is not the last set channel Means for presetting a broadcast receiver for a vehicle.

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