JP3298094B2 - Video signal receiving apparatus and automatic channel presetting method - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a video signal receiving apparatus for designating a channel in a VHF band by using a position key and a channel in a UHF band by using a position key and an up / down key. For a channel in the VHF band, the present invention relates to an automatic channel presetting method for performing presetting to match a position key number with a channel number designated by the position key.

[0002]

2. Description of the Related Art In order to simplify the following description, the following terms are used: real channel number: channel number determined based on the frequency of a video signal designated channel number: channel number indicated by a position key channel data: reception Data indicating the real channel number to be received. Received channel number: Channel number indicating the received real channel number.

In a domestic television, the number of position keys is twelve, and each of the position keys is provided with a memory area for storing corresponding ch data. In the memory area, ch data is set in advance. However, since it is complicated to perform this setting manually, a configuration for automatically setting data is adopted. That is, the channels of the VHF band are sequentially scanned and received from the side with the smaller real channel number toward the side with the larger real channel number. When a video signal is received on the received channel, the channel data corresponding to the received channel number is stored in the memory area. When storing the ch data in the memory area, the ch data is sequentially stored from the memory area of the smaller designated channel number assigned to the position key to the memory area of the larger designated channel number.
Next, when scanning reception of all channels in the VHF band is completed, scanning reception in the UHF band is started, and in the same manner, c indicating the reception channel number at which the video signal was received.
h data is stored in the memory area. When the data is stored in the memory area corresponding to the designated channel number 12 and the channel data is stored in all the memory areas,
The data setting ends. Further, even when there is a free space in the memory area, the data setting is completed when scanning and reception of all channels are completed (referred to as Conventional Technique 1).

There are twelve position keys for designating channels, and there is a one-to-one correspondence between position keys and channels, so the maximum number of channels that can be set is twelve. Therefore, using the position key,
There is a configuration in which a mode enabling input of a decimal number is newly set to enable presetting of a large number of channels. In the case of this configuration, the number of channels that need to be set is 1
When the number exceeds 2, ch data is preset in a memory area that can be specified by a decimal number. Then, when trying to receive a channel preset in this memory area, the mode is changed to a decimal number input, and then a required numerical value is input (this is referred to as Conventional Technique 2).

[0005]

In the configuration of the prior art 2, when a channel that can be designated by a decimal number is received, the mode is changed to a decimal input mode,
You need to enter a numerical value with the position key. Also 10
If you try to specify the channel in the position key mode from the state of the hexadecimal input mode,
Mode switching is required. Therefore, when switching from the channel set by the position key mode to the channel set by the decimal number input, or when switching from the channel set by the decimal number input to the channel set by the position key mode, There has been a problem that the operation of the key switch becomes complicated.

Further, in the case of using the prior art 1, every time a video signal is received during scanning reception, the memory area corresponding to the smaller value of the designated channel number is sequentially shifted from the memory area corresponding to the larger value to the larger value. , Ch data are stored. For this reason, the following problems have occurred. In other words, assuming that broadcasting of odd real channel numbers such as 1, 3, 5,... Is performed, c indicating reception channel number 1
The h data is stored in the memory area corresponding to the designated channel number 1. The data indicating the reception channel number 3 is stored in the memory area corresponding to the designated channel number 2. The data indicating the real channel number 5 is stored in the memory area corresponding to the designated channel number 3. Therefore, the assigned numerical value and the reception channel number match only with the position key of the designated channel number 1, and the assigned numerical values of the other position keys do not indicate the reception channel number. Therefore, there has been a problem that the operation of the position key is difficult to understand.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and an object of the present invention is to provide a one- time object .
Check the largest number of channels that can be specified by key operation.
And use the up / down key to
When selecting a station, press the up / down key
It is an object of the present invention to provide a video signal receiving device capable of reducing the number . The object of the invention of claim 2, wherein the receiving the channel designation with up down key ch
An object of the present invention is to provide a video signal receiving device capable of easily grasping a change in a number.

Further object of the invention according to claim 3, received with a designated ch number allotted thereto in the port dicyanamide <br/> Yonki c
h number and output from VCR
And to provide a preset automatic channel preset method that can <br/> in the be conducted together with for signals. An object of the invention described in claim 4 is to provide an automatic channel control which can easily grasp the correspondence between the designated channel number assigned to the position key and the reception channel number when specifying the channel of the UHF band. It is to provide a preset method.

[0009]

According to a first aspect of the present invention, there is provided a video signal receiving apparatus in which a channel number indicated by a position key for specifying a receiving channel is designated as a designated channel number. When the data indicating channel data is used as channel data, in a device including twelve position keys and a channel memory for storing the channel data in a position area corresponding to each of the position keys, the direction of movement facing each other is determined. An up-down key, which is a pair of key switches for instructing, and c in each of a plurality of skip areas.
h to store data and skip to the selected state
A skip memory in which an area moves in response to an operation of an up / down key , wherein the reception channel in a VHF band is provided.
When scanning and receiving a video file,
Each time a signal is received, the corresponding ch data is
Stored in the position area and the reception channel of the UHF band
When scanning and receiving a channel,
Each time the video signal is received, the corresponding ch data
Data in the empty area of the position area,
When the vacant area is exhausted in the position area
Is the UHF band and in the scanning reception
Scan the reception channel of the remaining band not received.
The video signal is received in this scanning reception
Each time, the corresponding ch data is stored in the skip area.
When the position key is operated, the operation is performed.
When the receiving channel indicated by the ch data stored in the position area corresponding to the designated channel number designated by the created position key is received, and the up / down key is operated, the selected state is displayed.
The up-down operated the skip area becomes
After being moved in accordance with the key, the reception channel indicated by the ch data stored in the skip area in the selected state is received, and the up / down key is operated.
The ch data is stored in an area that can be selected.
The configuration is limited to a skip area . The video signal receiving apparatus according to a second aspect of the invention, the up
When the down key is operated, the key is switched to the selected state.
The top area is the real area corresponding to the stored ch data.
The order in which the channel numbers increase or decrease
Move .

According to a third aspect of the present invention, in the automatic channel presetting method, a channel number indicated by a position key for specifying a receiving channel is designated.
When the data indicating the reception channel is the ch data and the channel number of the received reception channel is the reception channel number, the channel for storing the channel data in the position area corresponding to each of the position keys. A video signal receiving apparatus comprising a memory, and receiving the reception channel indicated by the ch data stored in the position area corresponding to the specified channel number when the specified channel number is specified by the position key , When scanning and receiving the reception channel in the VHF band, every time a video signal is received in this scanning reception, the reception c
the position area corresponding to h numbers equal the specified ch numbers, storing said corresponding ch data, 且
The position area where the designated channel number corresponds to 2
If the ch data is stored in the
The reception channel is located in the position area corresponding to channel number 1.
The channel data indicating the channel 1 is stored and the designated channel is stored.
The ch data is stored in the position area corresponding to the number 1.
Is stored in the designated channel number 2
Before indicating 2 of the receiving channel in the corresponding position area
A method of storing ch data and scanning and receiving the reception channel in the UHF band each time the video signal is received in the scanning reception, storing the corresponding ch data in an empty area of the position area. And In the automatic channel presetting method according to the fourth aspect of the present invention, the order of the empty areas for storing the corresponding ch data is an order from the smaller numerical value of the designated channel number to the larger numerical value.

[0011]

The operation of the first aspect of the invention will be described below. ch
The area for storing data includes twelve position areas and skip areas, and can store more than twelve ch data. And designated by the position key c
When the h number is indicated, the receiving channel indicated by the ch data stored in the position area corresponding to the indicated designated ch number is received. That is, the reception channel indicated by the ch data stored in the position area can be specified by the position key. When the up / down key is operated, the skip area is moved in a predetermined direction, and the receiving channel indicated by the ch data stored in the moved skip area is received. That is, the reception channel indicated by the ch data stored in the skip area can be specified by the up / down key. For this reason, even if the preset number of channels exceeds 12,
All channels are designated by operating a position key or an up / down key without switching modes.

[0012] and, the number of position key is 12, so,
The number of position areas is also 12. When scanning and receiving a reception channel in the VHF band, each time a video signal is received, the corresponding ch data is stored in the position area. Therefore, all channels in the VHF band are channels specified by the position key. In other words, an arbitrary channel in the VHF band is received only by operating the position key once. When there is no more free area in the position area, the remaining UHF band that has not been scanned and received is scanned and received, and the corresponding ch data is stored in the skip area. That is, for channels in the UHF band, ch data is stored in the position area if there is no empty area in the position area. That is, when the channel can be assigned to the position key, the preset is performed in which the channel is assigned to the position key.

The operation of the invention described in claim 2 will be described below.
When continuously operated one of A Ppudaunki is
The reception channel number uniquely changes in the direction in which the number increases or in the direction in which the number decreases, and does not become a random change.

The operation of the invention described in claim 3 will be described below.
When a video signal is received during scanning reception in the VHF band, the corresponding channel data is stored in the position area corresponding to the designated channel number equal to the reception channel number. That is, if the reception channel number is 5, for example, the channel data indicating the reception channel number 5 is stored in the memory area corresponding to the designated channel number 5 assigned to the position key. Therefore, when the position key to which the designated channel number 5 is assigned is operated, the real channel number 5 is received. In addition, the position number corresponding to the designated channel number 1
When the rear is empty,
In order to be able to receive signals from connected devices,
Data 1 is preset and corresponds to designated channel number 2
When the position area to be
Can receive signals from connected devices
, 2 of the ch data is preset.

The operation of the invention described in claim 4 will be described below.
Scanning reception is reception in which the moving direction of the reception channel number changes in a fixed direction. For this reason, with respect to the designated channel number assigned as the UHF band, the reception channel number changes in a certain direction according to the increase or decrease of the designated channel number.

[0016]

An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram showing an electric configuration of a device to which one embodiment of the invention according to claims 1 to 3 is applied, and an apparatus to which one embodiment of the invention according to claims 4 and 5 is applied. ing. The present invention relates to a video signal receiving apparatus, and relates to a VHF band and a UHF band for a video cassette recorder, a video integrated television, or a television.
Although the present invention is applicable to all devices that receive a video signal with a band, the embodiment shown in FIG. 1 is a television.

In FIG. 1, a tuner unit 1 includes a local oscillation circuit controlled by a PLL, and receives a video signal of a real channel number designated by a control unit 6 from all reception channels in a VHF band and a UHF band. It is a block. Then, predetermined processing is performed on the received video signal to obtain a detected video signal. The obtained video signal is output to the signal processing unit 9. Signal processing unit 9
Generates a color signal and a synchronization signal by performing predetermined processing on a video signal output from the tuner unit 1,
It is a block that amplifies each generated signal. Then, the CRT 10 is driven using the amplified color signal and the synchronization signal.

The level detecting section 2 detects the level of the synchronizing signal in the video signal detected by the tuner section 1 and thereby detects the level of the real signal designated by the control section 6.
The tuner unit 1 that receives the h number is a block that determines whether a video signal has been received. Then, the determination result is output to the control unit 6. The control key 3, the position key 4, and the up / down key 5 are key switches provided on a block for performing remote control, rather than key switches provided on the television main body. The illustration of blocks for this purpose is omitted.

The control key 3 is constituted by a group of key switches for giving an instruction for turning on the power, an instruction for the volume, and the like. The position key 4 indicates a switch group composed of 12 key switches, and numerical values of 1 to 12 are assigned to the respective key switches as designated channel numbers. And the VHF band and U
It is used in specifying the receiving channel of the HF band.
The up / down key 5 is a switch for indicating a skip area provided in the skip memory 8, and is a switch for instructing to shift one target skip area in a predetermined direction during reception. Specifically, it is constituted by a pair of switches whose moving directions are opposite to each other. The position key 4 is used to designate a UHF band reception channel that cannot be designated.

The channel memory 7 has a position key 4
Is a memory provided with a position area corresponding to each of the above. Each position area stores ch data, which is data for indicating a real ch number to be received. The skip memory 8 is a memory having a plurality of skip areas, and each skip area stores ch data. When reading ch data, the skip area to be read is
It moves in response to the operation of the up / down key 5. The control unit 6 is a block for controlling an operation required as a television. The control unit 6 controls an automatic channel preset for determining a reception channel, and a real channel number according to an instruction of the position key 4 or the up / down key 5. And the like to control the reception of the message.

The channel data indicating the channel to be received by the tuner unit 1 can be any data as long as the values of the real channel numbers 1 to 62 can be distinguished from each other. However, in this embodiment, a value indicating the real channel number is used as channel data in order to easily grasp the correspondence between the channel data and the real channel number.

FIG. 2 is a flowchart showing the preset operation of the channel in the VHF band, and FIG. 3 is a flowchart showing the preset operation of the channel in the UHF band. The operation of the embodiment shown in FIG. 1 will be described with reference to FIG.

When a preset instruction is given, control unit 6 gives tuner unit 1 an instruction to receive real channel number 1. The tuner unit 1 given the instruction from the control unit 6 receives the real channel number 1 (Step S)
1). When the tuner unit 1 is receiving the real channel number 1, that is, when the received channel number is 1, when the level detector 2 indicates that the video signal has been received, the controller 6
Is a value 1 corresponding to the reception channel number 1 in the corresponding position area of the channel memory 7 as channel data.
Is stored (steps S2 and S3). At this time, the position area where the ch data is stored is the position area where the designated channel number is 1 since the received channel number of the tuner unit 1 is 1 (see 31 in FIG. 4).

Next, the operation returns from step S4 to step S1, and the control unit 6 sets the reception channel number of the tuner unit 1 to 2 in order to perform scanning reception in the VHF band. As a result, the tuner unit 1 receives the real channel number 2. When the tuner 1 receives the real channel number 2 and the level detector 2 indicates that the video signal has not been received (step S2), the controller 6 sets the reception channel number of the tuner 1 to 3 (step S1). When the tuner unit 1 receives the real channel number 3 and the level detection unit 2 indicates that the video signal has been received,
The control unit 6 stores the value 3 indicating the reception channel number 3 in the corresponding position area. At this time, the position area in which the value 3 is stored is the position area 33 corresponding to the designated channel number 3 (steps S2 and S3). Then, the operation returns from step S4 to step S1. Hereinafter, scanning reception is performed by the same method.

Now, in the VHF band, the real channel
Assuming that all of the odd-numbered channels are being broadcast, as a result of the scanning reception, the position areas 31, 33, 35, 37,.
.. Are stored with ch data. The stored ch data includes the position areas 31, 33,
Are equal to the designated channel numbers corresponding to 35, 37,.

An image device such as a video cassette recorder is often connected to the television. Further, these image devices output a video signal with a real channel number that is not used in the region among the real channel numbers 1 or 2. Therefore, in a region where the real channel number 1 is used for broadcasting, the real channel number of the video signal output from the image device is 2. Therefore, in the above operation, when the tuner unit 1 receives the real channel number 2, the designated channel is received even though the video signal is not received.
In the position area 32 corresponding to the number 2, a value 2 is stored as ch data. That is, the preset for the output of the image apparatus is performed at the same time.

On the other hand, real channel numbers used for broadcasting in the VHF band, such as the Kansai region, are 2, 4,
When the operation shown in FIG. 2 is completed, the designated channel number is assigned to each of the position areas 32, 34, 36,... Corresponding to 2, 4, 6,. Stores values 2, 4, 6,... As ch data. In addition, a value 1 is stored as ch data in the position area 31 corresponding to the designated ch number 1 for a video signal from the image device. That is, reception channel number 1
When the video signal is received in the step (2), the value 2 is stored as ch data in the position area corresponding to the designated ch number 2 in order to use the received ch number 2 for the image device. When the video signal is not received in the reception channel number 1, the value 1 is stored as the channel data in the position area corresponding to the designated channel number 1 in order to use the reception channel number 1 for the image apparatus.

Now, returning to the area where the real channel number used for broadcasting is an odd number, when the scanning reception of the VHF band is completed, the position area (free area) in which the channel data is not stored becomes 34, 36,... Are areas corresponding to even numbers with designated channel numbers of 4 or more.

When the scanning reception of the VHF band is completed, the control unit 6 gives an instruction to receive the real channel number 13 to the tuner unit 1. Therefore, the tuner 1 receives the real channel number 13 (step S5). When the tuner unit 1 receives the real channel number 13 and the level detection unit 2 does not indicate reception of a video signal (step S
6), the control unit 6 instructs the tuner unit 1 to receive the real channel number 14. The tuner unit 1 receives the real channel number 14 according to the instruction of the control unit 6 (Step S)
5). Hereinafter, the reception channel numbers 15 and 16 are updated until the level detection unit 2 indicates the reception of the video signal.

When the tuner 1 receives the real channel number 16 (step S5), and the level detector 2 indicates that a video signal has been received, the controller 6 sets the position areas 31 to 37, .. Are searched for an empty area in which the corresponding designated channel number is the smallest (steps S6 and S7). At this time, the position area 34 is found. When the control unit 6 finds the position area 34,
The value 16 as the ch data indicating the reception ch number 16
Is stored (step S8).

The control unit 6 having stored the value 16 in the position area 34 returns the operation from step S9 to step S5, and resumes the scanning reception of the channel of the real channel number 17 or more. Thereafter, similar scanning reception and storage of ch data in the position area are performed. As a result, the value 23 is stored in the position area 36 as ch data. In addition, other empty areas (designated channel numbers 8 and 1)
The ch data is also stored in the position areas corresponding to 0 and 12. When the channel data is stored in the position area corresponding to the designated channel number 12, the channel memory 7 has no empty area.

Thereafter, in the scanning reception, when the level detection unit 2 indicates that the video signal has been received, the operation shifts from steps S6 and S7 to step S10. That is, the memory for storing the ch data is
The channel memory 7 is changed to the skip memory 8. FIG. 5 shows a configuration of the skip memory 8, and a plurality of skip areas 4 each storing ch data.
.. Are provided. Pointer 51
Specifies a skip area to be written or read. At the start of the preset, the pointer 51 is set so as to designate the skip area 41.

Now, the tuner 1 has a real channel number 4
7 is received. Then, it is assumed that the level detection unit 2 indicates that the video signal has been received. At this time, since there is no free area in the channel memory 7, the operation shifts from steps S5 to S7 to step S10. Therefore, the control unit 6 stores the ch data in the skip area 41 indicated by the pointer 51 as ch data.
The value 47 is stored. Also, move the pointer 51 by one,
The skip area 42 is designated.

Thereafter, the same scanning reception is repeated. That is, the operations of steps S5 and S6 or steps S5 to S5
The operations of S7, S10 and S9 are repeated. As a result, each time the video signal is received, each of the skip areas 42, 43, and 44 has c corresponding to the reception channel number at that time.
h data (values 52, 55, 61) are stored. When the real channel number 62 is received and it is detected that the video signal has not been received, the preset ends. As a result of the preset operation shown in FIG. 2 and the preset operation shown in FIG.
In the skip memory 8, ch data of 16 stations of 4 stations are preset. The pointer 51 is set so as to point to the skip area 41.

The operation at the time of reception will be described below.
When the position key 4 whose designated channel number is 3 is operated, the control unit 6 reads out the channel data of the position area 33 corresponding to the designated channel number 3 from the position area of the channel memory 7. Since the ch data of the position area 33 has the value 3, the control unit 6
An instruction to receive the number 3 is given to the tuner unit 1. For this reason, since the tuner unit 1 receives the real channel number 3, C
The broadcast of the real channel number 3 is displayed on RT10.
When the position key 4 whose designated channel number is 7 is operated, the tuner unit 1 receives the real channel number 7. Therefore, the CRT 10 has a real channel number 7
Is displayed. That is, when receiving the VHF band, when the position key 4 to which the odd designated channel number is assigned is operated, the video signal of the real ch number equal to the designated channel number assigned to the position key 4 is received, It will be displayed on the CRT 10.

When the position key 4 whose designated channel number is 4 is operated, the broadcast is in the UHF band,
The broadcast whose real channel number is 16 is received. When the position key 4 whose designated channel number is 6 is operated, the broadcast whose real channel number is 23 is received and displayed. That is, for the position key 4 having an even designated channel number, when the designated channel number increases, the received real channel number increases in accordance with the increase of the designated channel number. For this reason, in the reception of the UHF band, when it is desired to increase the real channel number, the designated channel number may be increased, and it is easy to grasp the correspondence between the specified channel number and the real channel number. That is, even in the UHF band, the operation for receiving the real channel number to be received is simplified.

Next, the pointer 51 moves to the skip area 42.
Will be described when the up-down key 5 is operated. When the up / down key 5 is operated, if the position key 4 is operated before the up / down key 5 is operated, the control unit 6 performs reception without moving the pointer 51. That is, skip area 4
Real channel number 5 corresponding to the channel data stored in 2
2 is received. This is up-down key 5
This is because, if the position key 4 was operated immediately before this operation, the reception channel number would change without moving the pointer 51. However, if the up / down key 5 has been operated before the up / down key 5 is operated, the pointer 51 is moved to a position instructing the skip area 41 or the skip area 43, and then the pointer 51 is operated in accordance with the instruction of the pointer 51. Received (real channel number 47 or 5
5).

The movement of the pointer 51 in response to the operation of the up / down key 5 will be described. When the symbol displayed on the operated up / down key 5 is a symbol indicating upward, the moving direction is skipped from the skip area 41. The pointer 51 is moved in a direction toward the area 44. When the pointer 51 before the movement indicates the skip area 44, the skip area 45 is an empty area, so that the skip area 41 is moved to the position instructing the skip area 41. If the symbol displayed on the operated up-down key 5 is a symbol indicating downward, the skip area 44 is displayed.
The pointer 51 is moved in the direction toward the skip area 41 from. When the pointer 51 before the movement indicates the skip area 41, the skip area 41
Is the end area, the skip area 44 is moved to the position instructing it.

In summary, when the up / down key 5 is operated and the key switch operated immediately before is the position key 4, the pointer 51 does not move. If the key switch operated immediately before is the up-down key 5, the pointer 51 moves so as to circulate in the direction indicated by the operated up-down key 5. That is, the pointer 51 moves so as not to indicate a skip area in which the ch data is not stored. Therefore, when the up / down key 5 and the position key 4 are alternately operated, the pointer 51 does not move, so that the up / down key 5 gives an instruction in accordance with a key switch indicating a specific designated channel number. Become. That is, real ch
Numbers 47, 55 and 61 are rarely received,
When mainly receiving only the real channel number 52, the up / down key 5 is assigned 13 as the designated channel number, and the position key 4 indicating the real channel number 52 is assigned.
It will be according to. That is, this is equivalent to increasing the number of the position keys 4.

The pointer 51 indicates only the skip area in which the ch data is stored. Therefore, no matter how the up / down key 5 is operated, the real channel number which has not been set will not be received. Receive channel
The situation where the number becomes unknown is prevented. Further, since the direction instructed by the up / down key 5 is associated with the direction in which the real channel number changes, it is easy to grasp the change in the reception channel number when the up / down key 5 is operated.

[0041]

According to the first aspect of the present invention, the video signal receiving apparatus scans and receives the reception channel in the VHF band.
The video signal is received during this scanning reception.
Each time the corresponding channel data is stored in the position area.
And scans the reception channel in the UHF band.
When transmitting, the video signal is
Each time it is received, the corresponding channel data is
In the empty area of the location area,
A) When the empty area is exhausted, the UHF
Band and remains unreceived in the scan reception.
Scans and receives the reception channel of the
Each time the video signal is received in reception, a corresponding
The channel data is stored in the skip area, and the
When the location key is operated,
Receiving the reception channel indicated by the channel data stored in the position area corresponding to the specified channel number specified by the position key, and operating the up / down key to select the skipping state.
Area corresponding to the up / down key operated
After the movement, the reception channel indicated by the ch data stored in the skip area in the selected state is received, and the channel can be selected by operating the up / down key.
Area is the skip area where the ch data is stored.
A. For this reason, one key operation
In addition to securing the maximum number of channels that can be specified,
Use the up / down keys to select the desired station
Sometimes, the number of operations of the up-down key
And it is possible.

According to a second aspect of the present invention, in the video signal receiving apparatus, when the up-down key is operated,
Indicates that the skip area to be in the selected state corresponds to the stored ch.
The order in which the real ch number corresponding to the data increases
Move in the order of decreasing . For this reason, when one of the up-down keys is operated continuously, the reception channel number changes uniquely in the direction in which the number increases or in the direction in which the number decreases, and does not become a random change. It is possible to easily grasp the change of the reception channel number in the channel specification using the key.

According to a third aspect of the present invention, in the automatic channel presetting method , when the reception channel in the VHF band is scanned and received, each time a video signal is received in the scanning reception, the reception channel number and the reception channel number are set. equal the to the position area corresponding to the designated ch number, storing said corresponding ch data, and the designated ch number
The ch data is stored in the position area corresponding to the number 2
If stored, it corresponds to 1 of the specified channel number
Indicating the reception channel 1 in the position area
The channel data is stored, and the designated channel number corresponds to 1.
When the ch data is stored in the position area
In this case, the position error corresponding to the designated channel number 2
The ch data indicating the reception channel 2 is stored in the rear.
And, when scanning receiving the reception channel of the UHF band, every time the video signal in the scan reception is received, the corresponding said ch data, and a method of storing the empty area of the position area. Therefore, the indicating reception ch number with a specified ch number allotted thereto in the port Jishonki, video cassette deck
The preset for the signal output from the
Is possible.

In the automatic channel presetting method according to the fourth aspect of the present invention, the order of the empty areas for storing the corresponding channel data is the order from the smaller numerical value of the designated channel number to the larger value. For this reason, UH
For the designated channel number assigned as F band,
Since the reception channel number changes in a certain direction in response to the increase or decrease of the specified channel number, it is possible to easily grasp the correspondence between the specified channel number assigned to the position key and the reception channel number. Has become.

[Brief description of the drawings]

FIG. 1 is a block diagram showing an electric configuration of a television to which an embodiment of the invention according to claims 1 to 3 is applied and to which an embodiment of the invention according to claims 4 and 5 is applied.

FIG. 2 is a flowchart showing a preset operation of a channel in a VHF band.

FIG. 3 is a flowchart illustrating a preset operation of a channel in a UHF band.

FIG. 4 is an explanatory diagram showing ch data stored in each position area of a channel memory.

FIG. 5 is an explanatory diagram showing ch data stored in each of skip areas of a skip memory.

[Explanation of symbols]

 1 Tuner section 2 Level detection section 4 Position key 5 Up / down key 7 Channel memory 8 Skip memory 31-37 Position area 41-45 Skip area

Claims (4)

(57) [Claims] When a channel number indicated by a position key for designating a reception channel is designated as a designated channel number and data representing the reception channel is designated as ch data, twelve position keys and each of the position keys are provided. In an apparatus provided with a channel memory for storing the ch data in a corresponding position area, an up / down key as a pair of key switches for instructing a moving direction facing each other, and the ch data in each of a plurality of skip areas. The skip area for storing and selecting
A skip memory that moves in response to the operation of a pull-down key, and scans and receives the reception channel in the VHF band.
Is, every time a video signal is received in this scanning reception,
Store the corresponding ch data in the position area
And when scanning and receiving the reception channel in the UHF band
Means that each time the video signal is received in this scanning reception
And the corresponding ch data in the position area.
Memorized in the empty area, and when the empty area is exhausted in the position area
In the UHF band and in the scanning reception.
On the receiving channel of the remaining band
In the scanning reception, the video signal is received.
Each time the corresponding ch data is
Stored in A, when the position key is operated was operated
The channel stored in the position area corresponding to the specified channel number specified by the position key
When the reception channel indicated by the data is received and the up / down key is operated, the selected state is selected.
The up-down operating the skip area
After moving in response to Nki, it receives the reception channel indicated by the ch data stored in the skip area Ru selected near, the selectable by operation of the up-down key collar
A to the skip area in which the ch data is stored.
Video signal receiving apparatus characterized by was boss. 2. When the up-down key is operated.
Has a skip area to be in the selected state,
h data in the order of increasing real channel numbers.
2. The video signal receiving apparatus according to claim 1 , wherein the video signal receiving apparatus moves in an order of decreasing . 3. A channel number designated by a position key for designating a reception channel is designated as a designated channel number, data representing the reception channel is designated as ch data, and a channel number of the received reception channel is designated as a reception channel number. A channel memory for storing the ch data in a position area corresponding to each of the position keys; and when the designated channel number is designated by the position key, the position area corresponding to the designated designated channel number. In the video signal receiving device for receiving the reception channel indicated by the ch data stored in, when scanning and receiving the reception channel in the VHF band, every time a video signal is received in this scanning reception,
The corresponding channel data is stored in the position area corresponding to the designated channel number equal to the reception channel number, and the position area corresponding to the designated channel number 2 is stored.
If the ch data is stored in the
Receive channel in the position area corresponding to the fixed channel number 1.
The channel data indicating channel 1 is stored, and the designated c is stored.
The ch data is stored in the position area corresponding to h number 1.
Data is stored in the designated channel number 2
Indicate 2 of the receiving channel in the corresponding position area
When the channel data is stored and the reception channel of the UHF band is scanned and received, each time the video signal is received in the scanning reception, the corresponding channel data is stored in an empty area of the position area. Automatic channel presetting method. 4. The automatic channel according to claim 4, wherein the order of the empty areas for storing the corresponding ch data is an order from a smaller value of the designated channel number to a larger value. Preset method.