JP3018455B2 - Commander for remote control - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a remote control commander, particularly to a remote control commander suitable for controlling audio equipment, visual equipment, and the like.

[Summary of the Invention]

According to the present invention, in a remote control commander, a means for generating a number of signals corresponding to a rotation angle of a roller, a means for dividing a signal, a means for resetting a frequency dividing means, and a frequency dividing means are provided. An up / down counter supplied with a signal as one of the up and down inputs, and whether or not the count value of the up / down counter is an initial value is determined. Means for generating a signal, a remote control signal is transmitted in response to the transmission command signal, and each time the remote control signal is transmitted,
Means for generating the other input of up or down can be used as an arbitrary position where the roller stops, as a reference position for starting the next roller rotation operation, and converting the remote control signal into an infrared signal. It is possible to always maintain a constant angle interval to send out, to eliminate a feeling of discomfort when the user operates the roller, and to improve operability.

[Conventional technology]

2. Description of the Related Art Remote controls are frequently used for controlling audio devices, visual devices, and other home appliances, and commanders are often used as input operation means for the remote controls.

As this commander, a button-type commander is mainly used. Other than the button type commander, there is a roller type commander as disclosed in Japanese Patent Application No. 2-114364 and Japanese Patent Application No. 2-160369 proposed by the applicant of the present invention.

In the case of the button-type commander described above, a remote control signal is transmitted only when the switch button is pressed, so that analog amount control such as moving the cursor or adjusting the volume can be performed while watching the display on the screen. By releasing the finger from the switch button at a desired position, desired control can be performed.

In the case of the above-mentioned roller-type commander, the rotation of the roller is detected, and a remote control signal is transmitted in response to the rotation of the roller. Control of analog amount becomes possible.

FIG. 9 shows a part of the rotation detecting device 71 for detecting the rotation of the roller described above.

The rotation detecting device 71 is provided with detection points DP10 to DP80 at every predetermined angle θa in a circumferential direction (R direction indicated by an arrow in FIG. 9), and is provided in a radial direction [X indicated by an arrow in FIG. A reference position indicator (hereinafter, simply referred to as an indicator) 72 provided corresponding to a specific position in the direction] is configured to rotate on the rotation detecting device 71 together with the roller. The detection of the rotation of the roller is performed by detecting the passage of the detection points DP10 to DP80 of the instruction unit 72.

[Problems to be solved by the invention]

In the case of the above-mentioned roller type commander, when the roller is stopped and the indicating unit 72 is stopped at, for example, a position where the detection points DP10 and DP20 are divided into angles θc and θd, the detection point closest to this position is Angle θc, θ up to DP10, DP20
The value d is smaller than the above-described predetermined angle θa, and varies depending on the position where the instruction unit 72 stops.

Therefore, the remote control signal must be converted into an infrared signal for each predetermined angle θa and output, whereas in reality, the above-described angles θc and θ
Since d changes each time the operation is performed, the remote control signal is converted into an infrared signal and output at a different rotation angle interval of the roller each time the rotation operation of the roller is started.

For this reason, there is a problem that the user feels a sense of discomfort when operating the rollers, and there is a problem in operability.

Accordingly, it is an object of the present invention to provide a remote control commander intended to improve operability.

[Means for solving the problem]

The remote control commander according to the present invention includes a means for generating a number of signals corresponding to the rotation angle of the roller, a means for dividing the signal, a means for resetting the frequency dividing means, and a method for dividing the frequency-divided signal. An up / down counter supplied as one of the up and down inputs and a determination as to whether or not the count value of the up / down counter is an initial value. Means for generating, a remote control signal is transmitted in response to the transmission command signal, and each time the remote control signal is transmitted, the up / down counter is
Means for generating the other input of up or down.

[Action]

Roller rotation is detected at finer angular intervals, a signal corresponding to the roller rotation is formed, and this signal is divided.

If this signal is not supplied continuously within the predetermined time, the frequency dividing means is reset.

Then, the frequency-divided signal is supplied as one of the up-count and down-count inputs of the up / down counter, and the up-count or down-count is performed.

The count value of the up / down counter is output, and it is determined whether the count value is an initial value, for example, zero. When the count value is not the initial value, a transmission command signal is output. When the count value becomes equal to the initial value, the output of the transmission command signal is stopped.

A remote control signal is transmitted in response to the transmission command signal. Each time the remote control signal is transmitted once, a signal to be the other input of the up-count or down-count of the up-down counter is formed and supplied, and the up-count or down-count is performed. That is, when the signal formed in response to the rotation of the roller is up-counted, the count value is counted down by the signal formed each time the remote control signal is transmitted once, When the signal formed is counted down, the count value is incremented by the signal formed each time the remote control signal is transmitted once.

Then, the transmission command signal and the remote control signal corresponding to the transmission command signal are transmitted until the count value becomes an initial value, for example, zero.

〔Example〕

An embodiment of the present invention will be described below with reference to FIGS. In this embodiment, the present invention is applied to a system for remotely controlling a television device and controlling other devices via a microcomputer provided in the television device.

FIG. 1 shows a configuration of a commander for remote control, wherein 1 is a roller unit, and 2 is a switch provided in association with the roller unit 1, for example, a tact switch. As shown in FIGS. 2A and 2B, the roller portion 1 is rotatably supported by a case 10 by a shaft 11 made of a rod-shaped spring, and a roller 1a having a peripheral surface protruding from the upper surface of the case 10. have.

Further, the case 10 is provided with a power switch of a commander indicated by 13. From the end face 14 of the case 10, a remote control signal which is a modulated infrared ray is transmitted. As shown in FIG. 2C, a display unit 16 such as a liquid crystal may be provided on the commander, and the operation of the roller 1a may be performed while viewing the display on the display unit 16. Reference numeral 15 denotes the other end face of the case 10.

The roller 1a has a function as a pointing device for selecting a menu or a control element displayed on the screen as described later, and a function as an input device for a control amount.

When the roller 1a is pushed downward, the switch 2 is turned on via the auxiliary plate 12, and a pulse SC corresponding to the on / off of the switch 2 is generated. This pulse SC is supplied to the detection circuit 4.

The roller unit 1 is provided with a rotation detector (not shown) that detects the rotation of the roller 1a and generates a detection pulse according to the rotation of the roller 1a. The rotation detector is provided with a magnetic rotation detection unit including a rotary switch magnet and a Hall element, or an optical rotation detection unit including a light emitting element, a light receiving element, and a rotating slit plate. As a result, detection pulses SA and SB are generated.

 FIG. 4 shows a part of the rotation detecting unit 61.

In FIG. 4, the angle θa between adjacent detection points among the conventionally provided detection points DP10, DP20 and DP30 is further divided into five, and new detection points DP11 to DP14 are provided for each angle θb. Is provided. Further, although not shown, a detection point is similarly provided for each angle θb between the detection points DP20 and DP30.

A reference position indicator (hereinafter, simply referred to as an indicator) 66 provided corresponding to a specific position in a radial direction (X direction in FIG. 4) on the side surface of the roller 1a is provided together with the roller 1a. , So as to rotate on the rotation detecting unit 61. The rotation of the roller 1a is detected by detecting the passage of the detection points DP10, DP11 to DP14, DP20,.

Although only one indicator 66 is shown in FIG. 4,
Another indicating unit (not shown) is provided at a predetermined angular interval to form detection pulses SA and SB described later. It is to be noted that the indicating section 66 is not limited to such a needle-shaped one, and may be, for example, one having a bifurcated shape only at the tip end.

The angle θb is smaller than the angle at which the roller 1a does not feel unnatural when the roller 1a is alternately operated in both directions (arrows A and B in FIG. 2) with a finger. Is set to hold.

θa = (θb) × n In the above equation, n is a number that equally divides between the detection points DP10 and DP20, and is a number that can be counted by a frequency dividing counter 62 described later. "Means.

The above equation simply indicates that new detection points DP11 to DP1 (n-1) are set at detection positions that have been set in the past, for example, at each position where the distance between DP10 and DP20 is equally divided into n. ing. In this embodiment, since n = 5, new detection points DP11 to DP14 are set by dividing the detection points DP10 and DP20 into five equal parts as described above, and compared to the conventional angle θa. (1/5) angle θb
The rotation of the roller 1a can be detected every time.

FIG. 3 shows two-phase detection pulses SA and SB generated according to a predetermined rotation amount of the roller 1a, that is, a rotation angle. The phase relationship between the detection pulses SA and SB indicates the rotation direction of the roller 1a, and the number of generated pulses indicates the rotation amount of the roller 1a. The number of the detection pulses SA and SB is predetermined for one rotation of the roller 1a, and the frequency is proportional to the rotation speed.

As shown in FIG. 3, the rise of the detection pulse SA is
The phase relationship that occurs before the rise of the detection pulse SB means that the roller 1a has been rotated in the direction indicated by the arrow A in FIG. The rotation of the roller 1a in the direction of arrow A corresponds to moving the cursor upward on the tube surface.

On the other hand, the phase relationship in which the rise of the detection pulse SB occurs before the rise of the detection pulse SA means that the roller 1a has been rotated in the direction indicated by the arrow B in FIG. The rotation of the roller 1a in the direction of arrow B corresponds to moving the cursor downward on the tube surface. Further, the rotation amount of the roller 1a is detected by counting one detection pulse, for example, the number of SAs. The above detection pulses SA and SB are supplied to the detection circuit 3.

The detection circuit 3 detects the rotation direction based on the comparison between the rising edges of the detection pulses SA and SB, and outputs a positive pulse signal P1 or a pulse signal at each detection timing.
Generates P2.

The detection circuit 4 generates a positive pulse signal P3 indicating that the roller 1a has been pushed in the direction of arrow C in FIG. 2 from the pulse SC corresponding to the ON / OFF of the switch 2.

The pulse signal P1 moves the cursor upward or changes the analog amount in the increasing direction, and indicates a change in the up direction. The pulse signal P2 moves the cursor downward or changes the analog amount in the decreasing direction, and indicates a change in the down direction. The pulse signal P3 indicates that the roller 1a has been pressed. The rotation amount is represented by the number of pulse signals P1 or P2.

When the power switch 13 is pressed, the commander enters a standby state.

When the pressing operation of the roller 1a, that is, the clicking operation is performed in a standby state, a state in which a remote control signal can be transmitted is set. Instead of this click operation, the remote control signal may be transmitted by a double click operation in which the roller 1a is pressed twice in a very short time.

The pulse signal is output from the detection circuit 3 by the rotation operation of the roller 1a.
P1 and P2 are formed, and a pulse signal P3 is formed by the detection circuit 4 by the pressing operation of the roller 1a. Then, the pulse signal P1 is supplied to the circuit block 5, and the pulse signal P2 is supplied to the circuit block 6. Note that the configuration and operation of the circuit block 6 described above are the same as those of the circuit block 5, so that in the following description, only the circuit block 5 will be described, and redundant description will be omitted.

As shown in FIG. 1, the circuit block 5 includes a frequency dividing counter 62, a timer circuit 63, an up / down counter 64,
It comprises a comparator 65.

The pulse signal P1 supplied from the detection circuit 3 is supplied to the frequency dividing counter 62 and the timer circuit 63.

The timer circuit 63 is composed of, for example, a retriggerable monostable multivibrator triggered by the above-described pulse signal P1, and an output signal TOUT is supplied from an output terminal to a frequency dividing counter at a timing when a predetermined time Ta has elapsed since the trigger. It is supplied to 62 reset terminals. Therefore, as shown in FIG.
If they are continuously supplied at intervals less than
Since the timer circuit 63 is triggered one after another by the pulse signal P1, the frequency dividing counter 62 is not reset while the roller 1a is rotating, and the pulse signal P1 supplied last becomes the timer circuit 63 after a predetermined time Ta has elapsed. The frequency dividing counter 62 is reset by the output signal TOUT.

The predetermined time Ta set by the timer circuit 63
When the roller 1a is rotated slowly, the time is set longer than the time required for the roller 1a to rotate by the angle θa and longer than the time required for repeatedly operating the roller 1a in the same direction with a finger.

As described above, the frequency dividing counter 62 is a quinary counter corresponding to an arbitrary number for equally dividing the detection points, for example, between DP10 and DP20. In this embodiment, a quinary counter is used. P1 is counted.

In the frequency division counter 62, when a carry occurs, ripple carry-out is output as a transmission request signal S10 and supplied to the up-count terminal of the up / down counter 64.

An output signal TOUT from the timer circuit 63 is supplied to a reset terminal of the frequency division counter 62, and the count value n held in the frequency division counter 62 is reset at the timing when the output signal TOUT is supplied. Is done.

Therefore, as shown in FIG. 4, the roller 1a rotates only by the angle θa or less between the detection points DP10 and DP20, and
When 66 is stopped at a position dividing the detection points DP10 and DP20 into angles θc and θd, after a predetermined time Ta has elapsed, the count value n of the frequency dividing counter 62 is reset, and the previous rotation of the roller 1a is canceled. You. And roller
Until the next rotation operation is performed on 1a, angles θc and θd
Is kept constant.

As a result, the angle θc, θ between the detection points DP10 and DP20
The position divided into d can be used as the starting reference position for the next rotation operation of the roller 1a, and the angular interval at which the remote control signal is converted into an infrared signal and transmitted can be kept constant.

The up / down counter 64 counts the transmission request signal S10 in the up direction. And this count value
C0 is supplied to the comparator 65.

In the comparator 65, the supplied count value C0 is compared with an initial value. The count value C0 is an initial value, for example,
At times other than ("1"), a high-level transmission command signal S1 is formed, and this high-level transmission command signal S1 is supplied to a remote control code encoder [hereinafter simply referred to as an encoder] 9.

When the encoder 9 detects the high-level transmission command signal S1, a remote control signal of a predetermined format corresponding to the transmission command signal S1 is supplied to the transmission circuit 17.

The transmission circuit 17 is provided with a light emitting diode and a drive amplifier for the light emitting diode. The remote control signal is converted into an infrared signal and transmitted to the television device. Then, in the transmission circuit 17, transmission end signals SE1 and SE2 are formed each time the remote control signal is transmitted. The transmission end signal SE1 is supplied to a down count terminal of the up / down counter 64.

The up / down counter 64 counts down the held count value C0 every time the transmission end signal SE1 is received. In this up / down counter 64,
The above-described up-counting and down-counting are performed in parallel, and if the count value C0 is determined to be (C0 ≠ 0) by the comparator 65 after the down-counting, the transmission command signal S1 is followed by the encoder 9 and a remote control signal is transmitted from the transmission circuit 17 as described above.

By counting down the count value C0, the count value
When C0 becomes (C0 = 0), the transmission command signal S1 supplied from the comparator 65 to the encoder 9 becomes low level.

When the transmission command signal S1 is detected as low level by the encoder 9, the transmission of the remote control signal is stopped.

In the description of this embodiment, a series of operations when the high-level transmission command signal S1 is supplied from the circuit block 5 is described. However, the transmission command signals S1 and S2 are supplied from both circuit blocks 5 and 6. For example, when the high-level transmission command signal S2 is supplied from the circuit block 6 during the processing of the transmission command signal S1 supplied at a high level from the circuit block 5,
After the processing on the transmission command signal S1 is completed, the processing on the transmission command signal S2 supplied from the circuit block 6 is performed. When the transmission command signal S2 is received and processed, a remote control signal of a predetermined format corresponding to the transmission command signal S2 is supplied to the transmission circuit 17.

FIG. 5 shows the relationship between the count of the frequency dividing counter 62 and the transmission of the remote control signal in accordance with the rotation of the roller 1a, classified into the first case to the third case.

FIG. 5A shows a pulse signal P1 supplied to the frequency dividing counter 62, and the lower part thereof shows the count value n of the frequency dividing counter 62.

FIG. 5B shows a state in which the transmission request signal S10 is output, FIG. 5C shows a state in which the remote control signal is converted into an infrared signal and transmitted, and FIG. Represents an output signal TOUT of the timer circuit 63.

 Hereinafter, the circuit operation will be described for each case.

(1) Case 1 Three pulse signals P1 are continuously supplied to the frequency dividing counter 62 and the timer circuit 63.

The timer circuit 63 is triggered each time the pulse signal P1 is supplied.

After the last pulse signal P103 is supplied, the pulse signal
Since the supply of P1 is stopped, the count value n (n = 3) up to the above-described pulse signal P103 is held by the frequency dividing counter 62.

In this case, since the count value n = 3, the ripple carry-out does not occur in the frequency division counter 62, and the transmission request signal S10 is not output.

Further, the timer circuit 63 triggered by the above-described pulse signal P103 outputs the output signal TOU after a predetermined time Ta has elapsed.
T is supplied to the reset terminal of the frequency division counter 62. Thus, the count value n (n = 3) of the frequency division counter 62 is reset to the count value n (n = 0).

(2) Case 2 The pulse signal P1 is continuously supplied to the frequency dividing counter 62 and the timer circuit.
Supplied to 63.

The timer circuit 63 is triggered each time the pulse signal P1 is supplied.

In the frequency dividing counter 62, the supplied pulse signal P1 is counted, and a ripple carry-out occurs at the timing when the pulse signal P1 is counted five times.
From 62, a transmission request signal S10 is output as shown in FIG. 5B. Then, the transmission request signal S10 is
It is supplied to the up-count terminal of the down counter 64.

The up / down counter 64 counts up the transmission request signal S10 and obtains the obtained count value.
C0 (C0 = 1) is supplied to the comparator 65.

In the comparator 65, the above-described count value C0 (C0 = 1)
And an initial value, for example, (“0”). In this case, since the count value C0 (C0 = 1) and the initial value are not equal, a high-level transmission command signal S1 is formed, and this high-level transmission command signal S1 is supplied to the encoder 9.

When the encoder 9 detects the high-level transmission command signal S1, a remote control signal of a predetermined format corresponding to the transmission command signal S1 is supplied to the transmission circuit 17.

In the transmission circuit 17, the above-mentioned remote control signal is converted into an infrared signal and transmitted to the television device. When the transmission of the remote control signal ends, a transmission end signal SE1 is formed. Transmission end signal SE1
Is supplied to the down count terminal of the up / down counter 64.

Upon receiving the transmission end signal SE1, the up / down counter 64 counts down the held count value C0 (C0 = 1) and sets the count value to C0 (C0 = 0).

On the other hand, after five pulse signals P1 are output,
Since two are supplied, the frequency dividing counter 62 holds the state of the count value (n = 2).

Here, although the timer circuit 63 is triggered by the pulse signal P112, the pulse signal P113 is supplied again before the predetermined time Ta elapses. Therefore, in the frequency dividing counter 62, the count value is (n = 2). After that, the counting of the pulse signal P1 is performed again.

In the frequency dividing counter 62, the supplied pulse signal P1 is counted, and a ripple carry-out occurs at the timing when the pulse signal P1 is counted five times.
From 62, a transmission request signal S10 is output as shown in FIG. 5B. Then, the transmission request signal S10 is
It is supplied to the up-count terminal of the down counter 64.

Thereafter, similarly to the above-described example, the transmission request signal S10 is counted up, and the count value C0 of the comparator 65 is calculated.
(C0 = 1) and the initial value, formation of high-level transmission command signal S1 and supply to encoder 9, conversion and transmission of remote control signal to infrared signal, and formation of transmission end signals SE1 and SE2 The transmission end signal SE1 is supplied to the up / down counter 64.

Upon receiving the transmission end signal SE1, the up / down counter 64 counts down the held count value C0 (C0 = 1) and sets the count value to C0 (C0 = 0).

When the pulse signal P121 is supplied, the supply of the pulse signal P1 is stopped.

At the timing when the pulse signal P121 is supplied, the count value n of the frequency dividing counter 62 is set to (n = 1), and after the timer circuit 63 is triggered and a predetermined time Ta has elapsed, the output signal TOUT is changed to the frequency dividing counter. It is supplied to 62 reset terminals.

As a result, the count value n of the frequency division counter 62 is reset to a count value n (n = 0).

(3) Case 3 Three pulse signals P1 are continuously supplied to the frequency dividing counter 62 and the timer circuit 63.

The timer circuit 63 is triggered each time the pulse signal P1 is supplied.

After the last pulse signal P133 is supplied, the pulse signal
Since the supply of P1 is stopped, the count value n (n = 3) up to the above-described pulse signal P133 is held by the frequency division counter 62.

In this case, since the count value n = 3, the ripple carry-out does not occur in the frequency division counter 62, and the transmission request signal S10 is not output.

Further, the timer circuit 63 triggered by the above-described pulse signal P133 outputs the output signal TOU after a predetermined time Ta has elapsed.
T is supplied to the reset terminal of the frequency division counter 62. As a result, the count value n (n = 3) of the frequency dividing counter 62 is reset to the count value n (n = 0).

As described above, when the rotation of the roller 1a is not detected for more than the predetermined time Ta, the previous rotation of the roller 1a is canceled. When the stop position of the roller 1a is a position that divides the angle θa into angles θc and θd as shown in FIG. 4, the stop position of the roller 1a becomes a reference position for starting the next rotation operation of the roller 1a. .

In this way, by setting the detection point for detecting the rotation of the roller 1a more finely than before, such as the detection points DP11 to DP14, an arbitrary position where the roller 1a is stopped can be set to start the next rotation operation of the roller 1a. It can be used as a reference position, and the angular interval at which the remote control signal is converted into an infrared signal and transmitted can be kept constant.

As a result, uncomfortable feeling when the user operates the roller can be eliminated, and operability can be improved.

FIG. 6 shows a configuration of a television device as a receiving device.

In the receiving circuit 21, a remote control signal converted from an infrared signal into an electric signal is supplied to a remote control code decoder (hereinafter abbreviated as a decoder) 22.

In the decoder 22, the received remote control signal is decoded into a code signal corresponding to each of the rotation direction, the rotation amount, and the pressing of the roller. The code signal from the decoder 22 is supplied to the CPU 23.

The CPU 23 controls the display control circuit 25, the superimpose circuit 26, the sound generator 51, the controlled object 29 inside the device, the transmission circuit 30, and the bus output terminal 31 in accordance with a program stored in the ROM 24 in advance. Supply. In this embodiment, the controlled object is a circuit related to television transmission.

In the superimpose circuit 26, the cursor information from the display control circuit 25, the RGB signal indicating the display block, and the like are combined with the input RGB signal supplied from the input terminal 27, and the combined image signal is extracted from the output terminal 28. This composite image signal is supplied to a CRT display (not shown) connected to the output terminal 28 and displayed.

The transmission circuit 30 generates a remote control signal as an infrared signal, and is provided for remotely controlling another device, for example, a VTR.

The television device is also provided with a roller unit 41 and a switch. The detection pulse from the roller unit 41 is supplied to the detection circuit 43, and the detection signal from the switch 42 is supplied to the detection circuit 43.
Supplied to 44. The pulse signals of the detection circuits 43 and 44 are respectively
It is supplied to the CPU 23.

The sound generation device 51 generates a predetermined sound corresponding to the sound generation signal S0.

The roller unit 41, the switch 42, and the detection circuits 43 and 44 are connected to the roller unit 1, the switch 2, and the detection circuits 3 and 4 of the commander.
The respective components correspond to each other, and their configurations and functions are the same as those provided in the above-described commander, and detailed description thereof will be omitted. The roller 41, the switch 42, the detection circuit
It is also possible to add circuit blocks 5 and 6 provided in the commander to 43 and 44 to obtain a configuration similar to that of the commander.

The roller 41a is provided on a front panel of the television device as shown in FIG. 21a is the receiving circuit 2
1 is a light receiving section, 30a is a light emitting section of the transmitting circuit 30, and 45
Is a tube surface on which an image is displayed, and 46 is a power switch. The irradiation direction of the light emitting unit 30a can be adjusted to any direction. 52 is a speaker.

In the above-described embodiment, when the roller 1a is pushed in while the power of the television device is on, a menu screen is displayed on the screen 45. In this case, the menu screen may be displayed by double-clicking the roller 1a twice in a very short time.

The menu screen is used for designating switching of video input of the television device, selecting a television device or an external device as a device to be controlled, and selecting contents of control of the television device.

As the control content of the television device, daily control content such as channel switching and volume adjustment and adjustment content such as screen brightness are set. The control contents used on a daily basis may be displayed by pushing the roller 1a before the adjustment contents.

 Next, adjustment of the television device will be described.

When the cursor 47 is moved with the roller 1a to select the menu of the adjustment content and the roller 1a is pushed in, the screen shown in FIG.
The display screen 45A shown in FIG. The display screen 45A includes a display block 53 including a display of control contents and a display of the control amount.
a to 53g are displayed vertically.

In the illustrated example, the display block 53a includes hue control (the range of the control amount is −31 to +32), and the display block 53b
, A color control (range of control amount is 0 to 63), a display block 53c has a brightness control (range of control amount is 0 to 63), and a display block 53d has a picture (luminance level) control (range of control amount). Is 0-6
3), a display block 53e is provided with a display block related to sharpness control (the range of the control amount is −31 to +32), and a display block 53f is a display block for resetting each control amount to an initial value; The display block 53g is provided with a display block for returning to the previous page.

As an example, when performing hue control, for example, the red cursor 47 is set to the position of the hue control display block 53a by the roller 1a. The background color of the other display blocks 53b to 53g is white. And roller 1a
When the switch 2 is turned on by pressing down, the function of the hue control can be selected. At this time, the tube face
As shown in FIG. B, the cursor 47 blinks and a mark 48 indicating that the roller 1a has changed from the function of the pointing device to the function of inputting the control amount appears.

The blinking of the cursor 47 and the mark 48 indicate at a glance that the function of the roller 1a has changed. Of course, a change in the function of the roller 1a may be displayed in a shape, color, mark, or the like other than those illustrated.

When the roller 1a is rotated upward while viewing the display screen 45B in FIG. 8B, that is, in the direction indicated by the arrow A in FIG.
The control signal in the direction in which the numerical value increases is supplied to the control terminal of the hue control circuit inside, and the numerical value on the display screen 45B also increases with the signal. When the roller 1a is rotated in the downward direction, that is, in the direction indicated by the arrow B in FIG. 2, a control signal in the direction of decreasing the opposite numerical value is generated, and the numerical value on the display screen 45B also decreases. Adjustments other than hue control can also be made only by operating the roller 1a in the same manner.

In the display block 53a, by rotating the roller 1a,
When trying to move the hatched cursor 47 from the display block 53a to the display block 53g in the downward direction on the screen 45, the CPU 23 displays the image on the display screen 45 based on the code signal from the decoder 22 described above. Control is performed to move the cursor 47 that is output downward.

Then, by selecting the display block 53g of the previous page with the roller 1a and pressing the roller 1a, a display screen 45C for controlling the VTR can be displayed on the screen 45 as shown in FIG. 8C. .

On the display screen 45C, display blocks 54a to 54g corresponding to the operations of the VTR such as reproduction, recording, and fast-forward are arranged vertically, and when the roller 1a rotates, a desired display block is selected, and the roller 1a is pressed in. Then, a remote control signal corresponding to the selected operation is provided from the transmission circuit 30 to the VTR. Also, a return signal indicating the operation state is transmitted from the VTR to the television device as an infrared signal. With this return, the operation status of the external VTR can be displayed on the display screen 45C.

In this case, in the case of a configuration in which no return is made, the color of the cursor is changed or blinking is displayed on the display screen 45C only while the remote control signal is being transmitted from the transmission circuit 30, and after the remote control signal is transmitted. ,
It is made to return to the original display.

In the above-described embodiment, an example in which the cursor is moved in the up-down direction has been described. However, the present invention is not limited to this, and the cursor may be moved in the left-right direction according to the movement of the roller. In this case, display blocks to be controlled are arranged in the horizontal direction on the screen. Of course, the cursor may be moved diagonally. Even in the case where the CRT display is not provided, the same control as in the above-described embodiment can be performed by providing the commander with the display unit 16 as in the example of FIG. 2C.

In the above-described embodiment, the cursor 47 is displayed by changing the color of the display block. However, the present invention is not limited to this. For example, the cursor 47 may be displayed by an arrow.

In the above-described embodiment, the detection points DP10, DP20
Although the interval is divided into five equal parts and the corresponding frequency dividing counter 62 is used, the number is not limited to this and the number of divisions can be arbitrarily selected.

〔The invention's effect〕

The remote control commander according to the present invention detects the rotation of the roller at finer angular intervals, and forms a signal corresponding to the rotation of the roller based on the detected angle. This is an effect that the angular interval at which the remote control signal is converted to an infrared signal and transmitted can be kept constant at all times.

As a result, it is possible to eliminate a sense of incongruity when the user operates the rollers and to improve operability.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram showing a circuit configuration of a commander according to an embodiment of the present invention, FIG. 2 is a schematic diagram showing an example and another example of the configuration of the commander, and FIG. FIG. 4 is a diagram illustrating a rotation detection unit, FIG. 5 is a timing chart illustrating circuit operation, FIG. 6 is a block diagram of a circuit configuration of a television device, FIG. FIG. 7 is a schematic diagram showing a television device, FIG. 8 is a schematic diagram of a display on a tube used for explaining the operation, and FIG. 9 is a diagram for explaining the prior art. Description of main reference numerals in the drawings 1, 41: roller section, 1a, 41a: roller, 2, 42: switch, 3, 4, 43, 44: detection circuit, 62: frequency dividing counter, 63: timer circuit, 64: Up / down counter, 65: comparator, 17: transmission circuit, S1, S2: transmission command signal, n, C0: count value, SE1, SE2: transmission end signal, P1, P2, P3: pulse signal, SA, SB: Detection pulse, θa, θb, θc, θd: angle.

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-60-107129 (JP, A) JP-A-2-19099 (JP, A) JP-A-48-104016 (JP, A) 189628 (JP, U) Hikaru Hei 2-14736 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) H04Q 9/00-9/16 H04N 5/00

Claims (1)

(57) [Claims] A means for generating a number of signals corresponding to a rotation angle of a roller; a means for dividing the signal; a means for resetting the means for dividing; and a means for increasing or decreasing the divided signal. An up / down counter supplied as one of the down inputs; and determining whether or not the count value of the up / down counter is an initial value. Means for generating, a remote control signal is transmitted in response to the transmission command signal, and each time the remote control signal is transmitted, the other of the up or down input is sent to the up / down counter. A commander for remote control, comprising: means for generating.