JP4057078B2 - Analog mobile phone - Google Patents
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- JP4057078B2 JP4057078B2 JP23294496A JP23294496A JP4057078B2 JP 4057078 B2 JP4057078 B2 JP 4057078B2 JP 23294496 A JP23294496 A JP 23294496A JP 23294496 A JP23294496 A JP 23294496A JP 4057078 B2 JP4057078 B2 JP 4057078B2
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【０００１】
【発明の属する技術分野】
本発明は、ＶＯＸ（音声作動継電回路）制御中に送信状態を指示制御するアナログ式携帯電話機に関する。
【０００２】
【従来の技術】
一般に、この種のアナログ式携帯電話機では、通信中の消費電力を節約するためのＶＯＸ機能を有している。このＶＯＸ機能を働かせるため、アナログ式携帯電話機本体には、ＶＯＸ制御中の送話器からの音声入力を示す音声状態信号が有状態であるか無状態であるかを検出する音声状態検出手段と、有状態時には音声状態信号に基づく音声信号を通話相手側へ送信し、無状態時には送信状態信号を未送信状態とする信号通信制御手段とが備えられている。
【０００３】
図３は、このようなアナログ式携帯電話機におけるＶＯＸ制御を説明するために示した各種の通信信号に関するタイミングチャートである。
【０００４】
ＶＯＸ制御中のアナログ式携帯電話機では、音声状態検出手段により送話器から音声が入力されていないとき，即ち、送話器の音声状態信号ａが無状態であることを検出すると、信号通信制御手段では消費電力を節約するために送信状態信号ｃをその送信量を減らして領域αで示されるような未送信状態とする。
【０００５】
又、音声状態検出手段により送話器からの音声入力が所定の音量以上のとき，即ち、送話器の音声状態信号ａが所定の値以上の有状態であることを検出すると、信号通信制御手段では有音／無音検出状態信号ｂを有音と判断して領域βで示されるような有音状態とする。
【０００６】
このとき、信号通信制御手段は、有音／無音検出状態信号ｂの有音状態時に音声状態信号に基づく音声信号の通話相手側への送信を開始する。これにより送話器から入力された音声が通話相手に伝わり、通話相手に聞える音声信号ｄは領域γで示されるような有状態となる。
【０００７】
【発明が解決しようとする課題】
上述したアナログ式携帯電話機の場合、ＶＯＸ制御中で送信停止状態にあって通話を開始すると、話始めを認識して無音状態から有音状態に移行するのに若干の時間がかかり、送信が再開されるまでの遅延時間（通話相手に聞える音声信号ｄに示す時刻ｔｘから有状態の立ち上がりまでの時間）があるため、話の出だしが欠損されて聞き取り難くなるという問題がある。
【０００８】
一方、ＶＯＸ制御を解除してしまうと、消費電力が増加して通話可能な時間が短くなってしまうため、好ましくない。
【０００９】
本発明は、このような問題点を解決すべくなされたもので、その技術的課題は、ＶＯＸ制御中で送信停止状態にあっても、通話の開始に際して話の出だしが欠損されないアナログ式携帯電話機を提供することにある。
【００１０】
【課題を解決するための手段】
本発明によれば、ＶＯＸ制御中の送話器からの音声入力を示す音声状態信号が有状態であるか無状態であるかを検出する音声状態検出手段と、有状態時には音声状態信号に基づく音声信号を通話相手側へ送信し、無状態時には送信状態信号を未送信状態とする信号通信制御手段とを備えたアナログ式携帯電話機において、ＶＯＸ制御中に音声状態信号が有状態であることを示す有音指示信号を指示押下によって入力するための有音指示ボタンと、有音指示信号の入力開始から所定の時間を計数して計数状態信号を出力する計数手段とを備え、信号通信制御手段は、有音指示信号が入力されると計数手段を起動して所定の時間以内は該有音指示信号に従って音声状態検出手段により音声状態信号を無状態とみなした場合でも有状態とみなして送信状態信号を送信状態とすると共に、計数状態信号に従って該所定の時間経過後の該無状態時には該送信状態信号を未送信状態に戻して送信を止めるアナログ式携帯電話機が得られる。
【００１１】
又、本発明によれば、上記アナログ式携帯電話機において、信号通信制御手段は、計数状態信号がオンのときに送信状態信号を送信状態とすると共に、該送信状態の間に該計数状態信号がオフとなって音声状態検出手段により音声状態信号の有無を判断した結果の無状態時に該送信状態信号の送信を止めるアナログ式携帯電話機が得られる。
【００１２】
【発明の実施の形態】
以下に実施例を挙げ、本発明のアナログ式携帯電話機について、図面を参照して詳細に説明する。
【００１３】
このアナログ式携帯電話機も従来機と同様な構成，即ち、ＶＯＸ制御中の送話器からの音声入力を示す音声状態信号が有状態であるか無状態であるかを検出する音声状態検出手段と、有状態時には音声状態信号に基づく音声信号を通話相手側へ送信し、無状態時には送信状態信号を未送信状態とする信号通信制御手段とを備えるが、ここでは新たにＶＯＸ制御中に音声状態信号が有状態であることを示す有音指示信号を指示押下によって入力するためのアンロック式有音指示ボタンが備えられている。
【００１４】
これにより、信号通信制御手段は、有音指示信号に従って所定の時間以内は音声状態検出手段により音声状態信号を無状態とみなした場合でも有状態とみなして送信状態信号を送信状態とするようになっている。
【００１５】
又、このアナログ式携帯電話機の場合、有音指示信号の入力開始から所定の時間を計数して計数状態信号を出力する計数手段（ここではリアルタイムを計数するタイマを用いるものとするが、その必要が無ければカウンタ等でも良い）が備えられ、信号通信制御手段では計数状態信号に従って所定の時間経過後の無状態時には送信状態信号を未送信状態に戻すようになっている。
【００１６】
図１は、本発明の一実施例に係るアナログ式携帯電話機におけるＶＯＸ制御（送信状態の指示制御）を説明するために示した各種通信信号に関するタイミングチャートである。
【００１７】
このアナログ式携帯電話機では、ＶＯＸ制御中に使用者が話始める際、有音指示ボタンを押下して音声状態検出手段により検出される音声状態信号ａが無状態（音声状態信号ａの音量が無音と判断されるレベル）であっても、それに拘らず有状態であることを示す有音指示信号ｅを入力する。
【００１８】
この有音指示信号ｅが入力されると、信号通信制御手段ではタイマを起動し、タイマが所定の時間△ｔを計数して計数状態信号ｆを出力する。因みに、有音指示信号ｅは有音指示ボタンの押下状態ではＯＮ，非押下状態ではＯＦＦとなり、計数状態信号ｆは所定の時間△ｔの計数時にはＯＮ，所定の時間△ｔ以外の計数時にはＯＦＦとなる。
【００１９】
同時に信号通信制御手段では、有音指示信号ｅが入力されると、所定の時間△ｔ以内は有音指示信号ｅに従って音声状態検出手段により音声状態信号ａを無状態とみなした場合でも有音／無音検出状態信号ｂを有状態とみなして送信状態信号ｃを送信状態とする。これにより、所定の時間△ｔ以内に話始めれば、音声信号ｄにおいて従来では時刻ｔｘから有状態の立ち上がりまでに生じた遅延時間が無くなり、時刻ｔｘが有状態の立ち上がりに吸収され、話の出だしが欠損されることが無くなる。
【００２０】
又、所定の時間△ｔ経過後の送信状態信号ｃの送信状態の間に計数状態信号ｆがオフとなって音声状態検出手段により音声状態信号ａに関して無状態を検出すると、信号通信制御手段では、有音／無音検出状態信号ｂを無音状態とみなして送信状態信号ｃを未送信状態として送信を止め、省電力モードに移行する。
【００２１】
即ち、ここでの信号通信制御手段では、ＶＯＸ制御中にタイマの計数状態信号ｆがＯＮのときか、或いは有音／無音検出状態信号ｂが有音状態のときに有音状態を検出したとみなして送信状態信号ｃを送信状態とする。
【００２２】
このような操作及び動作処理は、一回の通話中に何度でも繰り返せるもので、これによって相手側への通話に際して、話の出だしが聞き取り難くなることを防止できる。従って、このアナログ式携帯電話機では、ＶＯＸ制御中で送信停止状態にあっても、通話の開始に際して話の出だしが欠損されない。
【００２３】
ところで、上述したタイマで計数する所定の時間△ｔは、過不足が無いように適度に設定する必要がある。仮に、所定の時間△ｔが短過ぎれば、図２（ａ）に示すように、音声信号ｄにおいて従来のように時刻ｔｘから有状態の立ち上がりまでに遅延時間が生じ、話の出だしが瞬時欠損されることになるし、逆に所定の時間△ｔが長過ぎれば、図２（ｂ）に示すように、話の出だしが欠損されることが無くても、送信状態信号ｃにおいて時刻ｔｙから以後に送信する音声が無いのに無駄に送信状態を保持する事態を生じるため、好ましくない。
【００２４】
【発明の効果】
以上に説明したように、本発明のアナログ式携帯電話機によれば、ＶＯＸ制御中に音声状態信号が有状態であることを示す有音指示信号を指示押下によって入力するための有音指示ボタン、並びに有音指示信号の入力開始から所定の時間を計数して計数状態信号を出力する計数手段を備え、信号通信制御手段では有音指示信号が入力されると計数手段を起動して所定の時間以内は有音指示信号に従って既存の音声状態検出手段により音声状態信号を無状態とみなした場合でも有状態とみなして送信状態信号を送信状態とすると共に、計数状態信号に従って所定の時間経過後の無状態時には送信状態信号を未送信状態に戻して送信を停止することにより、所定の時間以内に話始めれば、通話相手に聞こえる音声信号において従来のような遅延時間が生じることが無くなり、これによって送信停止状態にあっても通話の話の出だしが欠損されないようになり、しかもこのような送信状態の指示制御は、ＶＯＸ制御中に繰り返し行い得るものであるため、ＶＯＸ制御による長所である省電力化やこれによる通話可能時間の延命化をそのまま維持できるようになる。
【図面の簡単な説明】
【図１】本発明の一実施例に係るアナログ式携帯電話機におけるＶＯＸ制御（送信状態の指示制御）を説明するために示した各種通信信号に関するタイミングチャートである。
【図２】図１で説明したＶＯＸ制御で計数設定される所定の時間を変更した場合のタイミングチャートを示したもので、（ａ）は所定の時間が短過ぎる場合に関するもの，（ｂ）は所定の時間が長過ぎる場合に関するものである。
【図３】従来のアナログ式携帯電話機におけるＶＯＸ制御を説明するために示した各種通信信号に関するタイミングチャートである。
【符号の説明】
ａ 音声状態信号
ｂ 有音／無音検出状態信号
ｃ 送信状態信号
ｄ 音声信号
ｅ 有音指示信号
ｆ 計数状態信号[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an analog mobile phone that performs instruction control of a transmission state during VOX (voice activated relay circuit) control.
[0002]
[Prior art]
In general, this type of analog mobile phone has a VOX function for saving power consumption during communication. In order to make this VOX function work, the analog cellular phone main body has a voice state detection means for detecting whether a voice state signal indicating a voice input from the transmitter under VOX control is in a state of being present or not. And a signal communication control means for transmitting a voice signal based on the voice state signal to the other party in the presence state and setting the transmission state signal to an untransmitted state in the absence state.
[0003]
FIG. 3 is a timing chart relating to various communication signals shown to explain VOX control in such an analog mobile phone.
[0004]
In an analog mobile phone under VOX control, when the voice state detection means detects that no voice is input from the transmitter, that is, when the voice state signal a of the transmitter is detected to be in the non-state, signal communication control is performed. In the means, in order to save power consumption, the transmission state signal c is reduced to a non-transmission state as indicated by the area α by reducing the transmission amount.
[0005]
Further, when the voice input from the transmitter is higher than a predetermined volume by the voice state detection means, that is, when it is detected that the voice state signal a of the transmitter is higher than a predetermined value, signal communication control is performed. The means determines that the sound / silence detection state signal b is sound, and sets the sound state as indicated by the region β.
[0006]
At this time, the signal communication control means starts transmission of the voice signal based on the voice state signal to the call partner when the voice / silence detection state signal b is in a voiced state. As a result, the voice input from the transmitter is transmitted to the other party, and the voice signal d heard by the other party is in a state as indicated by the region γ.
[0007]
[Problems to be solved by the invention]
In the case of the analog cellular phone described above, when a call is started in the transmission stop state during VOX control, it takes some time to recognize the beginning of the talk and shift from the silent state to the voiced state, and transmission resumes. Since there is a delay time until the call is made (time from the time tx shown in the audio signal d that can be heard to the other party to the rise of the presence state), there is a problem that the beginning of the talk is lost and it becomes difficult to hear.
[0008]
On the other hand, canceling the VOX control is not preferable because power consumption increases and the time during which a call can be made is shortened.
[0009]
The present invention has been made to solve such problems, and the technical problem thereof is an analog mobile phone in which the beginning of a call is not lost even when a transmission is stopped during VOX control. Is to provide.
[0010]
[Means for Solving the Problems]
According to the present invention, the voice state detection means for detecting whether the voice state signal indicating the voice input from the transmitter during VOX control is in the presence state or not, and based on the voice state signal in the presence state In an analog cellular phone provided with a signal communication control means for transmitting a voice signal to a call partner and setting a transmission state signal to an untransmitted state when there is no state, it is determined that the voice state signal is in a state during VOX control. A signal communication control means comprising: a sound instruction button for inputting a sound instruction signal to be indicated by pressing the instruction; and a counting means for counting a predetermined time from the input start of the sound instruction signal and outputting a count state signal is sent regarded as closed state even when regarded sound state signal and stateless by the voice state detection means in accordance with said organic sound indication signal within the voiced instruction signal to start the the counting means is input for a predetermined time A status signal with the transmission state, the analog type portable telephone to stop sending back to the non-transmission state the transmission status signal is obtained at the time of wireless state after elapse the predetermined time according to the counter reading signals.
[0011]
Further, according to the present invention, in the analog type portable telephone, the signal communication control means, with counter reading signal as a transmission state transmitting state signals when on, the regimen number status signals between the transmission state An analog mobile phone that is turned off and stops transmission of the transmission state signal when there is no state as a result of determining the presence or absence of the sound state signal by the sound state detection means is obtained.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
Examples An analog mobile phone according to the present invention will be described below in detail with reference to the drawings.
[0013]
This analog mobile phone has the same configuration as that of the conventional device, that is, a voice state detecting means for detecting whether a voice state signal indicating a voice input from a transmitter under VOX control is in a state of being present or not. And a signal communication control means for transmitting a voice signal based on the voice status signal to the other party in the presence state and setting the transmission status signal to the untransmitted state in the absence state. Here, the voice state is newly added during the VOX control. An unlocked sound instruction button is provided for inputting a sound instruction signal indicating that the signal is in a state of being pressed by pressing the instruction.
[0014]
As a result, the signal communication control means regards the voice state signal as a non-state by the sound state detection means within a predetermined time according to the sound instruction signal, and sets the transmission state signal to the transmission state even if the sound state signal is regarded as non-state. It has become.
[0015]
In the case of this analog mobile phone, a counting means for counting a predetermined time from the start of input of the sound instruction signal and outputting a count state signal (in this case, a timer for counting real time is used. If there is no signal, a counter or the like may be provided), and the signal communication control means returns the transmission state signal to the untransmitted state when there is no state after a lapse of a predetermined time according to the count state signal.
[0016]
FIG. 1 is a timing chart relating to various communication signals shown to explain VOX control (transmission state instruction control) in an analog mobile phone according to an embodiment of the present invention.
[0017]
In this analog cellular phone, when the user starts speaking during VOX control, the voice state signal a detected by the voice state detection unit by pressing the voice instruction button is blank (the volume of the voice state signal a is silent). The sound instruction signal e indicating that it is in a state of being present.
[0018]
When the sound instruction signal e is input, the signal communication control means starts a timer, and the timer counts a predetermined time Δt and outputs a count state signal f. Incidentally, the sound instruction signal e is ON when the sound instruction button is pressed, and is OFF when the sound instruction button is not pressed, and the count state signal f is ON when counting for a predetermined time Δt, and OFF when counting other than the predetermined time Δt. It becomes.
[0019]
At the same time, in the signal communication control means, when the sound instruction signal e is input, the sound state detection means according to the sound instruction signal e within the predetermined time Δt even if the sound state signal a is regarded as no sound. / The silence detection state signal b is regarded as being present, and the transmission state signal c is set to the transmission state. As a result, if the speech is started within the predetermined time Δt, the delay time conventionally generated from the time tx to the rise of the state is eliminated in the audio signal d, and the time tx is absorbed by the rise of the state and the speech starts. Will not be lost.
[0020]
Further, when the count state signal f is turned off during the transmission state of the transmission state signal c after a predetermined time Δt has elapsed and the voice state detection unit detects no state with respect to the voice state signal a, the signal communication control unit The voice / silence detection state signal b is regarded as a silence state, the transmission state signal c is set as an untransmitted state, transmission is stopped, and the mode is shifted to the power saving mode.
[0021]
That is, in the signal communication control means here, the voiced state is detected when the count state signal f of the timer is ON during the VOX control or when the voiced / silent detection state signal b is in the voiced state. The transmission state signal c is regarded as a transmission state.
[0022]
Such operations and operation processes can be repeated any number of times during a single call, thereby preventing the beginning of the talk from becoming difficult to hear during a call to the other party. Therefore, in this analog mobile phone, even when the transmission is stopped during the VOX control, the beginning of the talk is not lost at the start of the call.
[0023]
Incidentally, the predetermined time Δt counted by the above-mentioned timer needs to be set appropriately so as not to be excessive or insufficient. If the predetermined time Δt is too short, as shown in FIG. 2A, a delay time occurs between the time tx and the rising edge of the voice signal d as in the prior art, and the beginning of the speech is instantaneously lost. On the contrary, if the predetermined time Δt is too long, as shown in FIG. 2 (b), even if the beginning of the talk is not lost, the transmission state signal c starts from the time ty. Since there will be a situation in which the transmission state is wasted even though there is no sound to be transmitted thereafter, this is not preferable.
[0024]
【The invention's effect】
As described above, according to the analog mobile phone of the present invention, the sound instruction button for inputting the sound instruction signal indicating that the sound state signal is present during the VOX control by pressing the instruction, And a counting means for counting a predetermined time from the start of the input of the sound instruction signal and outputting a count state signal. The signal communication control means activates the counting means when the sound instruction signal is input, for a predetermined time. Is within the transmission state signal as the transmission state signal even if the voice state signal is regarded as non-state by the existing sound state detection means according to the sound instruction signal, and after a predetermined time has elapsed according to the count state signal When there is no state, the transmission state signal is returned to the non-transmission state and transmission is stopped. It eliminated that arising thereby is as onsets talk calls even in transmission stop state is not defective, and since instruction control such transmission condition is to be carried out repeatedly during the VOX control Thus, it is possible to maintain the power saving, which is an advantage of the VOX control, and the extension of the callable time due to this.
[Brief description of the drawings]
FIG. 1 is a timing chart relating to various communication signals shown to explain VOX control (transmission state instruction control) in an analog mobile phone according to an embodiment of the present invention;
FIGS. 2A and 2B are timing charts when the predetermined time set by the VOX control described with reference to FIG. 1 is changed. FIG. 2A shows a case where the predetermined time is too short, and FIG. It relates to the case where the predetermined time is too long.
FIG. 3 is a timing chart regarding various communication signals shown to explain VOX control in a conventional analog mobile phone.
[Explanation of symbols]
a voice state signal b sound / silence detection state signal c transmission state signal d sound signal e sound instruction signal f counting state signal
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23294496A JP4057078B2 (en) | 1996-09-03 | 1996-09-03 | Analog mobile phone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23294496A JP4057078B2 (en) | 1996-09-03 | 1996-09-03 | Analog mobile phone |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH1079698A JPH1079698A (en) | 1998-03-24 |
| JP4057078B2 true JP4057078B2 (en) | 2008-03-05 |
Family
ID=16947307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23294496A Expired - Fee Related JP4057078B2 (en) | 1996-09-03 | 1996-09-03 | Analog mobile phone |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4057078B2 (en) |
-
1996
- 1996-09-03 JP JP23294496A patent/JP4057078B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH1079698A (en) | 1998-03-24 |
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