JP2583493Y2 - Wireless telephone equipment - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a radio telephone apparatus for switching and using a plurality of channels.

[0002]

2. Description of the Related Art Conventionally, as means for switching a plurality of channels by a rotary switch, there are a method using a binary code shown in FIG. 2 and a method using an up / down pulse shown in FIG. The one using the binary code shown in FIG. 2 is used for an apparatus having ten or more channels,
The channel is determined by the output of the binary code corresponding to the switching position, and the switching position always matches the channel. In the apparatus using the up / down pulse shown in FIG. 3, the channel is determined by the number of pulses indicating the rotational direction used in an apparatus having several tens of channels, and the switching position and the channel are undefined. In the figure, “•” is 0
This represents a level signal.

[0003]

[Problems to be solved by the invention]
Since it is not possible to realize a device of the apparatus and a plurality channel of minority channel in one type of rotary switch, different number of channels, even when the other specifications for producing the same equipment, it becomes necessary to mount the rotary switch separately Therefore, there is a disadvantage that production management becomes complicated.

The present invention has been made in view of such circumstances, and in order to solve these drawbacks, one type of rotary switch can be used for both devices, with the object of simplifying production management. .

[0005]

SUMMARY OF THE INVENTION In order to solve such a problem, the present invention is directed to a radio telephone apparatus which switches a plurality of channels of a radio by using a rotary switch for outputting a code signal, and is connected to the rotary switch. And code
An increase / decrease change number detection means for detecting the increase / decrease direction and change number of the signal; and
The number of connected and radio channels
Channel setting method and channel when the number of contacts
When the number of switches exceeds the number of rotary switch contacts.
The channel setting method is determined in advance.
Hazuki in response to the output signal of the change in increase and decrease the number of times detection means channels
Bei a channel setting change means allowed to change the settings of the Le
Incidentally, the rotary switch has a rotatable structure .

[0006]

The code signal increases when the rotary switch is turned clockwise, and decreases when the rotary switch is turned counterclockwise. If the number of channels is increased / decreased by one per switch contact, the number of channels can be increased / decreased by the number passing through the switch contacts. Therefore, using those without stopper rotary switch allows the selection of any channel be one of limited to the number of switch contacts by providing a means for only channel changes the number of passes.

[0007]

FIG. 4 is a block diagram showing an embodiment of the present invention. In FIG. 4, reference numeral 1 denotes a code signal as shown in FIG.
This is a rotary switch that outputs 16 types of binary codes as signals, and has a structure that is rotatable without using a stopper. 2 is an increase / decrease change detecting means,
It is connected to the rotary switch 1 and outputs a signal for detecting whether the binary code output from the rotary switch 1 is rotating in the increasing direction or the decreasing direction, and the amount of increase or decrease. . 3 is Cha
A channel setting change unit, increased or decreased change detection unit 2 and the radio
4, and the frequency of the wireless device 4 is changed by the output from the increase / decrease change detecting means 2.
The setting change means 3 includes the channel of the wireless device 4.
When the number of contacts of the rotary switch is 16 or less
And the number of channels that the radio 4 has
Channel setting method when the number of reswitch contacts exceeds 16
Equations are predetermined. And how to set each channel
Based on the equation, the setting change means 3 is used to
The channel setting of the radio 4 according to the output signal of
By doing so, the frequency of the wireless device 4 is changed.

[0008] The rotary switch results in a (binary code in this embodiment) code output unique "0" signal at the output 2 ^{0 ~} 2 in response to the switching position 1 to 16. Further, the code changes depending on the rotation direction, and the rotation direction can be determined from the increase or decrease of the code. For example a rotary switch 1 as shown in FIG. 1 is a unique binary code to that switching換角degree corresponding to the switching position 1 to 16 is generated in the output 2 ^{0 ~} 2 (The figure shows the 0 level "-") .

A description will be given of an example in which the current channel is always displayed on a display (not shown), the current channel is on channel 55, and the channel is changed to channel 88. In this case, the direction is to increase the channel,
Turn the rotary switch clockwise.

As a result, the binary code outputs a signal representing a sequentially increasing number. For example, when the current position is at the position 7 as shown in FIG. 1 and the rotary switch is rotated to the right, a binary code representing a sequentially increasing number is outputted as 8, 9, 10,. Detecting means 2
Knows from the change in the binary code that the channel is controlled in the increasing direction. Then, the amount of change can be known from the number of changes.

In the case of this example, it suffices that the binary code changes only 88-55 = 33 times. However, a change from the switching position 16 to the switching position 1 is also regarded as an increasing direction. Therefore, the increase / decrease change detecting means 2 detects that the rotary switch 1 has been operated by 33 steps in the channel increasing direction.

[0012] This setting change unit 3 by increases only channel radio 4 from the current channel 55 33, and Ji <br/> catcher, channel 8 8. The above is the case for increased by channel, which is the same when little down channels.

[0013] The above is an example in which the number of channels exceeds 16, The same applies to the case of the channel is 16 or less, the channel 16 up to be the many turns the rotary switch when the minimum channel Use a channel setting method of 1 or use a binary code as is
The setting method should be used. In this case, the channel indicator is not indispensable. Instead, it is only necessary to mark the knob and write the channel number on the case corresponding to the mark.

[0014]

As described above, in the present invention, the number of channels is increased or decreased based on the rotation direction and the number of rotation steps of the rotary switch, so that the rotary switch can be shared regardless of the number of channels. Therefore, there is an effect that the production management can be simplified.

[Brief description of the drawings]

FIG. 1 shows an embodiment of the present invention.

FIG. 2 is a diagram showing a method of switching a plurality of channels using a binary code of a rotary switch.

FIG. 3 is a diagram showing a method of switching a plurality of channels using up / down pulses of a rotary switch.

FIG. 4 is a block diagram showing an embodiment of the present invention;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Rotary switch 2 Increase / decrease change detection means 3 Setting change means 4 Radio

Claims (1)

(57) [Scope of request for utility model registration] 1. A radiotelephone apparatus for switching and using a plurality of channels of a radio with a rotary switch for outputting a code signal , wherein the radio signal is connected to the rotary switch and detects an increase / decrease direction and a number of changes of the code signal. Detecting means , connected between the increase / decrease change frequency detecting means and the wireless device.
And the number of channels of the radio
Channel setting method when the number of contacts of the tally switch is less than
The number of channels exceeds the number of contacts of the rotary switch
Wherein each Ji and Ji catcher channel setting method when the predetermined to obtain
Channel setting changing means for changing the setting of the channel in accordance with the output signal of the increase / decrease change number detecting means based on a channel setting method , wherein the rotary switch has a rotatable structure. radio telephone apparatus characterized by there.