JP2004080073A5

JP2004080073A5 -

Info

Publication number: JP2004080073A5
Application number: JP2002233512A
Authority: JP
Filing date: 2002-08-09
Publication date: 2005-10-13

Claims

周波数の異なる複数の電波信号を受信し、この受信した電波信号を電気信号に変換し出力する電波受信手段と、
単一周波数の信号を出力する発振手段と、
前記電波受信手段より出力された電気信号と前記発振手段より出力された信号とを合成して、中間周波数信号を出力する周波数変換手段と、
この周波数変換手段から出力された前記中間周波数信号を復調する検波手段と、
を備え、
前記周波数変換手段は、前記電波受信手段で受信した周波数の異なる複数の電波信号のうちの一つの信号と前記発振手段から出力された単一周波数の信号とを合成して周波数の固定的な前記中間周波数信号を出力することを特徴とする電波受信装置。Radio wave receiving means for receiving a plurality of radio signals having different frequencies , converting the received radio signals into electrical signals, and outputting the electrical signals;
Oscillating means for outputting a single frequency signal;
A frequency conversion means for combining the electrical signal output from the radio wave reception means and the signal output from the oscillation means to output an intermediate frequency signal;
Detecting means for demodulating the intermediate frequency signal output from the frequency converting means;
With
It said frequency conversion means, by combining the one signal and the signal of a single frequency output from the oscillation means of the frequency received different radio signal frequency fixed in the radio wave receiving means A radio wave receiving apparatus that outputs the intermediate frequency signal.

前記発振手段は、前記電波受信手段で受信した複数の電波信号の夫々の周波数の相加平均と差分の平均とのいずれか一方の周波数となる信号を出力することを特徴とする請求項１記載の電波受信装置。2. The oscillating means outputs a signal having either one of an arithmetic average of a plurality of radio wave signals received by the radio wave receiving means and an average of differences. Radio wave receiver.

周波数の異なる第１の電波及び第２の電波を受信可能であり、受信した前記第 1 の電波及び第２の電波を電気信号に変換することにより、当該第１の電波又は前記第２の電波の電気信号を出力する電波受信手段と、
この電波受信手段から出力された前記第１の電波及び前記第２の電波の周波数の相加平均と差分の平均とのいずれか一方の周波数となる信号を出力する発振手段と、
前記電波受信手段より出力された電気信号と前記発振手段より出力された信号とを合成して、中間周波数信号を出力する周波数変換手段と、
この周波数変換手段から出力された前記中間周波数信号を復調する検波手段と、
を備えることを特徴とする電波受信装置。Is capable of receiving a first radio and a second radio wave having different frequencies, by converting the first radio and the second radio wave received into an electrical signal, said first radio wave or the second radio wave Radio wave receiving means for outputting the electrical signal of
An oscillating means for outputting a signal having a frequency that is one of an arithmetic average and a difference average of the frequencies of the first radio wave and the second radio wave output from the radio wave receiving means;
A frequency conversion means for combining the electrical signal output from the radio wave reception means and the signal output from the oscillation means to output an intermediate frequency signal;
Detecting means for demodulating the intermediate frequency signal output from the frequency converting means;
A radio wave receiving apparatus comprising:

前記発振手段は前記第１の電波及び前記第２の電波の周波数の相加平均と差分の平均とのいずれか一方の周波数となる信号を逓倍或いは分周して出力し、
前記検波手段は前記発振手段による逓倍或いは分周前の前記信号を入力して同期検波方式によって前記中間周波数信号を復調することを特徴とする請求項３に記載の電波受信装置。The oscillating means multiplies or divides and outputs a signal having one frequency of an arithmetic average and a difference average of the frequencies of the first radio wave and the second radio wave,
4. The radio wave receiving apparatus according to claim 3 , wherein the detection means receives the signal before multiplication or frequency division by the oscillation means and demodulates the intermediate frequency signal by a synchronous detection method.

前記発振手段は前記第１の電波及び前記第２の電波の周波数の相加平均と差分の平均とのいずれか一方の周波数となる信号を出力し、
前記検波手段は前記発振手段により出力された信号を逓倍或いは分周した後の信号を入力して同期検波方式によって前記中間周波数信号を復調することを特徴とする請求項３に記載の電波受信装置。The oscillating means outputs a signal having one frequency of an arithmetic average and a difference average of the frequencies of the first radio wave and the second radio wave,
The detection means may receive radio waves according to claim 3, characterized in that demodulating the intermediate frequency signal by Type synchronous detection scheme signal after multiplying or dividing the more output signal to said oscillating means apparatus.

時刻情報を含む周波数の異なる複数の電波信号を受信し、この受信した電波信号を電気信号に変換し出力する電波受信手段と、Radio wave receiving means for receiving a plurality of radio signals having different frequencies including time information, converting the received radio signals into electric signals, and outputting the electric signals;
単一周波数の信号を出力する発振手段と、An oscillating means for outputting a signal of a single frequency;
前記電波受信手段で受信した周波数の異なる複数の電波信号のうちの一つの信号と前記発振手段から出力された単一周波数の信号とを合成して周波数の固定的な中間周波数信号を出力する周波数変換手段と、A frequency for synthesizing one signal of a plurality of radio signals having different frequencies received by the radio wave receiving means and a single frequency signal outputted from the oscillating means to output a fixed intermediate frequency signal Conversion means;
この周波数変換手段から出力された前記中間周波数信号を復調する検波手段と、Detecting means for demodulating the intermediate frequency signal output from the frequency converting means;
この検波手段によって復調された信号に基づいて前記電波受信手段から出力された電気信号に含まれる時刻情報を抽出して標準タイムコードを生成する時刻情報生成手段と、Time information generating means for extracting time information contained in the electrical signal output from the radio wave receiving means based on the signal demodulated by the detecting means and generating a standard time code;
現在時刻を計時する時刻計時手段と、A time keeping means for keeping the current time,
前記時刻情報生成手段によって生成された標準タイムコードに基づいて前記時刻計時手The time counter based on the standard time code generated by the time information generating means. 段で計時される現在時刻を修正する修正手段と、A correction means for correcting the current time measured by the stage;
を備えることを特徴とする電波時計。A radio-controlled timepiece characterized by comprising:

周波数の異なる複数の電波信号を受信し、この受信した電波信号を電気信号に変換し出力する電波受信回路と、A radio wave receiving circuit that receives a plurality of radio signals having different frequencies, converts the received radio signals into electrical signals, and outputs them;
単一周波数の信号を出力する発振回路と、An oscillation circuit that outputs a signal of a single frequency;
前記電波受信回路より出力された電気信号と前記発振回路より出力された信号とを合成して、中間周波数信号を出力する周波数変換回路と、A frequency conversion circuit that synthesizes the electrical signal output from the radio wave reception circuit and the signal output from the oscillation circuit, and outputs an intermediate frequency signal;
この周波数変換回路から出力された前記中間周波数信号を復調する検波回路と、A detection circuit for demodulating the intermediate frequency signal output from the frequency conversion circuit;
を備え、With
前記周波数変換回路は、前記電波受信回路で受信した周波数の異なる複数の電波信号のうちの一つの信号と前記発振回路から出力された単一周波数の信号とを合成して周波数の固定的な前記中間周波数信号を出力することを特徴とする電波受信回路。The frequency conversion circuit is configured to synthesize one signal among a plurality of radio signals having different frequencies received by the radio wave reception circuit and a single frequency signal output from the oscillation circuit to fix the fixed frequency. A radio wave receiving circuit that outputs an intermediate frequency signal.

前記発振回路は、前記電波受信回路で受信した複数の電波信号の夫々の周波数の相加平均と差分の平均とのいずれか一方の周波数となる信号を出力することを特徴とする請求項７記載の電波受信回路。The said oscillation circuit outputs the signal used as the frequency of either one of the arithmetic mean of each frequency of the some radio signal received with the said radio wave receiving circuit, and the average of a difference. Radio wave receiver circuit.

周波数の異なる第１の電波及び第２の電波を受信可能であり、受信した前記第The first radio wave and the second radio wave having different frequencies can be received, and the received first radio wave 11 の電波及び第２の電波を電気信号に変換することにより、前記第１の電波又は前記第２の電波の電気信号を出力する電波受信回路と、A radio wave receiving circuit that outputs the electric signal of the first radio wave or the second radio wave by converting the radio wave and the second radio wave into an electric signal;
この電波受信回路から出力された前記第１の電波及び前記第２の電波の周波数の相加平均と差分の平均とのいずれか一方の周波数となる信号を出力する発振回路と、An oscillation circuit that outputs a signal having a frequency that is one of an arithmetic average and a difference average of the frequencies of the first radio wave and the second radio wave output from the radio wave reception circuit;
前記電波受信回路より出力された電気信号と前記発振回路より出力された信号とを合成して、中間周波数信号を出力する周波数変換回路と、A frequency conversion circuit that synthesizes the electrical signal output from the radio wave reception circuit and the signal output from the oscillation circuit, and outputs an intermediate frequency signal;
この周波数変換回路から出力された前記中間周波数信号を復調する検波回路と、A detection circuit for demodulating the intermediate frequency signal output from the frequency conversion circuit;
を備えることを特徴とする電波受信回路。A radio wave receiving circuit comprising:

前記発振回路は前記第１の電波及び前記第２の電波の周波数の相加平均と差分の平均とのいずれか一方の周波数となる信号を逓倍或いは分周して出力し、The oscillation circuit multiplies or divides and outputs a signal having one frequency of an arithmetic average and a difference average of the frequencies of the first radio wave and the second radio wave,
前記検波回路は前記発振回路による逓倍或いは分周前の前記信号を入力して同期検波方式によって前記中間周波数信号を復調することを特徴とする請求項９に記載の電波受信回路。The radio wave receiving circuit according to claim 9, wherein the detection circuit receives the signal before multiplication or frequency division by the oscillation circuit and demodulates the intermediate frequency signal by a synchronous detection method.

前記発振回路は前記第１の電波及び前記第２の電波の周波数の相加平均と差分の平均とのいずれか一方の周波数となる信号を出力し、The oscillation circuit outputs a signal having a frequency that is one of an arithmetic average and a difference average of the frequencies of the first radio wave and the second radio wave,
前記検波回路は前記発振回路により出力された信号を逓倍或いは分周した後の信号を入力して同期検波方式によって前記中間周波数信号を復調することを特徴とする請求項９に記載の電波受信回路。10. The radio wave receiving circuit according to claim 9, wherein the detection circuit receives a signal obtained by multiplying or dividing the signal output from the oscillation circuit, and demodulates the intermediate frequency signal by a synchronous detection method. .