JPH06205331A - Television receiver - Google Patents
Television receiverInfo
- Publication number
- JPH06205331A JPH06205331A JP43A JP35994892A JPH06205331A JP H06205331 A JPH06205331 A JP H06205331A JP 43 A JP43 A JP 43A JP 35994892 A JP35994892 A JP 35994892A JP H06205331 A JPH06205331 A JP H06205331A
- Authority
- JP
- Japan
- Prior art keywords
- intermediate frequency
- signal
- signal component
- filter
- luminance
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、自動車等の車両への搭
載に好適なテレビ受信機に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a television receiver suitable for mounting on a vehicle such as an automobile.
【０００２】[0002]
【従来の技術】従来、テレビ受信機における音声を受信
する方法として、映像信号と音声信号を中間周波数段で
別々に分けて受信するセパレートキャリア方式と、映像
検波信号中に現れる映像中間周波信号と音声中間周波信
号の周波数差であるビート信号（4.5MHz）を抽出してＦ
Ｍ復調するインターキャリア方式がある。2. Description of the Related Art Conventionally, as a method of receiving audio in a television receiver, a separate carrier system in which a video signal and an audio signal are separately received at an intermediate frequency stage and a video intermediate frequency signal appearing in a video detection signal are used. Extract the beat signal (4.5 MHz), which is the frequency difference of the audio intermediate frequency signal, and
There is an intercarrier system for M demodulation.
【０００３】セパレートキャリア方式は、音声中間周波
信号と局部発振信号により１０．７ＭＨｚのビート信号
を抽出するもので、バズやバズビート等の音声妨害が生
じないという利点がある反面、電波の弱い地域での受信
感度がやや低いという欠点がある。他方、インターキャ
リア方式は雑音感度が良いが、映像信号成分が音声信号
に混入するので、バズやバズビート等の音声妨害が生じ
るという欠点がある。The separate carrier system extracts a beat signal of 10.7 MHz by an audio intermediate frequency signal and a local oscillation signal, and has an advantage that voice interference such as buzz and buzz beat does not occur, but in a weak radio wave area. Has a drawback that its reception sensitivity is rather low. On the other hand, the inter-carrier method has a high noise sensitivity, but has a drawback in that since a video signal component is mixed with an audio signal, audio interference such as buzz or buzz beat occurs.
【０００４】[0004]
【発明が解決しようとする課題】このような上述した従
来のセパレートキャリア方式によるテレビ受信機にあっ
ては、色信号が映像信号の影響を受けることから、電界
が弱くて映像信号のレベルが足りなかったり、乱れたり
すると、色乱れが生ずるという問題点があった。特に自
動車等の車両のように常時電界が変化する場合に大きな
問題になる。In such a conventional television receiver using the separate carrier system as described above, since the color signal is influenced by the video signal, the electric field is weak and the level of the video signal is insufficient. There is a problem in that color disorder occurs when there is none or when there is disorder. In particular, it becomes a big problem when the electric field constantly changes like a vehicle such as an automobile.
【０００５】そこで本発明は、電界が弱い場合であって
も色乱れの少ないテレビ受信機を提供することを目的と
している。SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide a television receiver with little color disorder even when the electric field is weak.
【０００６】[0006]
【課題を解決するための手段】上記目的達成のため、請
求項１記載の発明によるテレビ受信機は、チューナから
出力された中間周波信号のうち輝度信号成分を抽出する
第１のフィルタと、前記チューナから出力された中間周
波信号のうち色信号成分を抽出する第２のフィルタと、
前記チューナから出力された中間周波信号のうち音声信
号成分を抽出する第３のフィルタと、前記第１のフィル
タにより抽出された輝度信号成分を中間周波増幅及び検
波する第１の中間周波増幅・検波手段と、前記第２のフ
ィルタにより抽出された色信号成分を中間周波増幅及び
検波する第２の中間周波増幅・検波手段と、前記第３の
フィルタにより抽出された音声信号成分を中間周波増幅
及び検波する第３の中間周波増幅・検波手段とを備えた
ことを特徴とする。In order to achieve the above object, a television receiver according to the present invention comprises a first filter for extracting a luminance signal component from an intermediate frequency signal output from a tuner, and A second filter for extracting a color signal component from the intermediate frequency signal output from the tuner;
A third filter for extracting an audio signal component from the intermediate frequency signal output from the tuner, and a first intermediate frequency amplification / detection for intermediate frequency amplification and detection of the luminance signal component extracted by the first filter. Means, second intermediate frequency amplification / detection means for intermediate frequency amplification and detection of the color signal component extracted by the second filter, and intermediate frequency amplification and detection for the audio signal component extracted by the third filter. A third intermediate frequency amplifying / detecting means for detecting is provided.
【０００７】また、請求項２記載の発明によるテレビ受
信機は、請求項１記載のテレビ受信機に、前記第１のフ
ィルタにより抽出された輝度信号成分を遅延させる第１
の遅延手段と、前記第１の遅延手段より出力された遅延
輝度信号成分と前記第１のフィルタにより抽出された輝
度信号成分を加算し、この結果を前記第１の中間周波増
幅・検波手段に供給する第１の加算手段と、前記第２の
フィルタにより抽出された色信号成分を遅延させる第２
の遅延手段と、前記第２の遅延手段より出力された遅延
色信号成分と前記第２のフィルタにより抽出された色信
号成分を加算し、この結果を前記第２の中間周波増幅・
検波手段に供給する第２の加算手段とを設けたことを特
徴とする。According to a second aspect of the present invention, there is provided a television receiver according to the first aspect, wherein the television receiver according to the first aspect delays the luminance signal component extracted by the first filter.
Delay means, the delayed luminance signal component output from the first delay means and the luminance signal component extracted by the first filter are added, and the result is sent to the first intermediate frequency amplification / detection means. A first adding means for supplying and a second for delaying the color signal component extracted by the second filter.
Delay means, the delayed color signal component output from the second delay means and the color signal component extracted by the second filter are added, and the result is added to the second intermediate frequency amplification /
A second adding means for supplying to the detecting means is provided.
【０００８】[0008]
【作用】請求項１記載の発明では、中間周波信号から輝
度信号成分、色信号成分および音声信号成分をそれぞれ
別個に取り出し、それぞれについて増幅および検波す
る。したがって、輝度信号と色信号を分けて処理するこ
とから、電界が弱い場合であっても輝度信号が色信号に
影響を与えない分、色乱れが少なくなる。また、音声信
号に他の信号成分が混入しないので、バズやバズビート
などの音声妨害も生じない。According to the first aspect of the invention, the luminance signal component, the chrominance signal component, and the audio signal component are separately extracted from the intermediate frequency signal, and amplified and detected respectively. Therefore, since the luminance signal and the color signal are processed separately, color disturbance is reduced because the luminance signal does not affect the color signal even when the electric field is weak. In addition, since no other signal component is mixed in the audio signal, audio interference such as buzz or buzz beat does not occur.
【０００９】請求項２記載の発明では、前後する映像信
号が大体似通っていることを前提として、前後する映像
信号（上下に隣り合う走査線に対応する映像信号）の各
輝度信号の加算および各色信号の合成を行う。この場
合、上の走査線に対応する輝度信号を１水平走査期間遅
延させた遅延輝度信号と下の走査線に対応する輝度信号
の合成を行い、また同時に、上の走査線に対応する色信
号を１水平走査期間遅延された遅延色信号と下の走査線
に対応する色信号との合成を行う。したがって、輝度信
号および色信号のそれぞれが倍化されるので、輝度およ
び色の感度が向上し、請求項１記載の発明よりもさらに
色乱れが少なくなる。According to the second aspect of the present invention, it is premised that the front and rear video signals are similar to each other, and the respective luminance signals of the front and rear video signals (the video signals corresponding to vertically adjacent scanning lines) are added and the respective colors are added. Perform signal synthesis. In this case, the luminance signal corresponding to the upper scanning line is delayed by one horizontal scanning period and the delayed luminance signal corresponding to the lower scanning line is synthesized, and at the same time, the color signal corresponding to the upper scanning line is combined. The delayed color signal delayed by one horizontal scanning period and the color signal corresponding to the lower scanning line are combined. Therefore, since the luminance signal and the color signal are doubled, the luminance and the color sensitivity are improved, and the color disorder is further reduced as compared with the invention according to claim 1.
【００１０】[0010]
【実施例】以下、図面を参照して本発明の一実施例につ
いて説明する。第１実施例 図１は本発明に係るテレビ受信機の第１実施例の一部分
を示すブロック図である。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. First Embodiment FIG. 1 is a block diagram showing a part of a first embodiment of a television receiver according to the present invention.
【００１１】図１において、１はチューナであり、受信
アンテナ２で受信した高周波信号（ＵＨＦ帯、ＶＨＦ
帯）から所望のチヤンネルの信号を選択し、中間周波に
変換して出力する。６は輝度信号用中間周波数フィルタ
であり、チューナ１から出力される中間周波信号のうち
輝度信号成分を抽出する。７は色信号用中間周波数フィ
ルタであり、チューナ１から出力される中間周波信号の
うち色信号成分を抽出する。８は音声信号用中間周波数
フィルタであり、チューナ１から出力される中間周波信
号のうち音声信号成分を抽出する。In FIG. 1, reference numeral 1 is a tuner, which is a high frequency signal (UHF band, VHF) received by a receiving antenna 2.
A desired channel signal is selected from the band), converted to an intermediate frequency, and output. Reference numeral 6 denotes a luminance signal intermediate frequency filter, which extracts a luminance signal component from the intermediate frequency signal output from the tuner 1. Reference numeral 7 denotes a color signal intermediate frequency filter, which extracts a color signal component from the intermediate frequency signal output from the tuner 1. Reference numeral 8 denotes an audio signal intermediate frequency filter, which extracts an audio signal component from the intermediate frequency signal output from the tuner 1.
【００１２】ここで、図２は上記各フィルタ６，７，８
の周波数特性を示す図であり、この図に示すように、色
信号用中間周波数フィルタ７は色信号搬送波周波数ｆc
±0.5MHzの帯域を有しており、音声信号用中間周波数フ
ィルタ８は音声信号周波数ｆs±0.1MHzの帯域幅を有し
ている。なお、映像信号の搬送波成分を抽出する必要が
あれば、音声信号用中間周波数フィルタ８に破線で示す
特性のものを追加しても良い。Here, FIG. 2 shows each of the filters 6, 7, and 8 described above.
In a graph showing a frequency characteristic, as shown in this figure, the color signal for an intermediate frequency filter 7 is the color signal carrier frequency f c
The audio signal intermediate frequency filter 8 has a bandwidth of ± 0.5 MHz and the audio signal frequency f s has a bandwidth of ± 0.1 MHz. If it is necessary to extract the carrier wave component of the video signal, an intermediate frequency filter 8 for audio signals having a characteristic indicated by a broken line may be added.
【００１３】図１に戻り、９は輝度信号用中間増幅・検
波回路であり、輝度信号用中間周波数フィルタ６により
抽出された輝度信号成分を中間周波増幅および検波（復
調）する。ＴYは増幅および復調された輝度信号を出力
するための端子である。この端子ＴYを介して輝度信号
用中間増幅・検波回路９より図に示す波形の輝度信号が
出力される。Returning to FIG. 1, reference numeral 9 denotes a luminance signal intermediate amplification / detection circuit, which amplifies and detects (demodulates) the luminance signal component extracted by the luminance signal intermediate frequency filter 6. T Y is a terminal for outputting the amplified and demodulated luminance signal. Through this terminal T Y , the luminance signal intermediate amplification / detection circuit 9 outputs a luminance signal having the waveform shown in the figure.
【００１４】１０は色信号用中間周波増幅・検波回路で
あり、色信号用中間周波数フィルタ８により抽出された
色信号成分を中間周波増幅および復調する。ＴCは増幅
および復調された色信号を出力するための端子である。
この端子ＴCを介して色信号用中間周波増幅・検波回路
１０より図に示す波形の色信号が出力される。Reference numeral 10 denotes an intermediate frequency amplification / detection circuit for color signals, which amplifies and demodulates the color signal components extracted by the intermediate frequency filter 8 for color signals. T C is a terminal for outputting the amplified and demodulated color signal.
The color signal having the waveform shown in the figure is output from the intermediate frequency amplification / detection circuit 10 for color signals through the terminal T C.
【００１５】１１は音声信号用中間周波数増幅・検波回
路であり、音声信号用中間周波数フィルタ１０により抽
出された音声信号成分を中間周波増幅および復調する。
ＴSは増幅および復調された音声信号を出力するための
端子である。この端子ＴSを介して音声信号用中間周波
数増幅・検波回路１１より図に示す波形の音声信号が出
力される。Reference numeral 11 denotes an audio signal intermediate frequency amplification / detection circuit, which amplifies and demodulates the audio signal component extracted by the audio signal intermediate frequency filter 10.
T S is a terminal for outputting an amplified and demodulated audio signal. An audio signal having the waveform shown in the figure is output from the audio signal intermediate frequency amplification / detection circuit 11 through the terminal T S.
【００１６】このような構成において、チューナ１から
出力された中間周波信号が各フィルタ６，７，８に供給
され、輝度信号成分、色信号成分および音声信号成分が
抽出される。そして、抽出された信号のうちの輝度信号
成分は輝度信号用中間周波増幅・検波回路９に入力さ
れ、増幅および検波が行われる。そして、復調された輝
度信号が端子ＴYより出力される。In such a configuration, the intermediate frequency signal output from the tuner 1 is supplied to each of the filters 6, 7 and 8 and the luminance signal component, the color signal component and the audio signal component are extracted. Then, the luminance signal component of the extracted signal is input to the luminance signal intermediate frequency amplification / detection circuit 9, where amplification and detection are performed. Then, the demodulated luminance signal is output from the terminal T Y.
【００１７】また、抽出された信号のうちの色信号成分
は色信号用中間周波増幅・検波回路１０に入力され、増
幅および検波が行われる。そして、復調された色信号が
端子ＴCより出力される。また、抽出された信号のうち
の音声信号は音声信号用中間周波増幅・検波回路１１に
入力され、増幅および検波が行われる。そして、復調さ
れた音声信号が端子ＴSより出力される。The color signal component of the extracted signal is input to the color signal intermediate frequency amplifying / detecting circuit 10 to be amplified and detected. Then, the demodulated color signal is output from the terminal T C. Further, the audio signal of the extracted signals is input to the audio signal intermediate frequency amplification / detection circuit 11 to be amplified and detected. Then, the demodulated audio signal is output from the terminal T S.
【００１８】このように、輝度信号、色信号および音声
信号が別個に処理されるので、色信号は輝度信号の影響
を受けることがない。したがって、映像信号に影響され
ない分、電界が弱くて映像信号のレベルが足りなかった
り、乱れたりしても色乱れが少ない。As described above, since the luminance signal, the color signal and the audio signal are processed separately, the color signal is not influenced by the luminance signal. Therefore, since the electric field is weak and the level of the video signal is insufficient or disturbed by the influence of the video signal, color disorder is small.
【００１９】実施例２ 次に、図３は本発明に係るテレビ受信機の第２実施例の
一部分を示すブロック図である。なお、この図において
前述した図１と共通する部分には同一の符号を付してそ
の説明を省略する。この実施例は、前後する走査線（上
下に隣合う走査線に対応する映像信号）の信号形態が大
体似通っていることを利用したもので、これら前後する
映像信号を合成したものを検波する。 Second Embodiment Next, FIG. 3 is a block diagram showing a part of a second embodiment of the television receiver according to the present invention. In this figure, the same parts as those in FIG. 1 described above are designated by the same reference numerals and the description thereof is omitted. This embodiment takes advantage of the fact that the signal forms of the front and rear scanning lines (video signals corresponding to vertically adjacent scanning lines) are similar, and a combination of these front and rear video signals is detected.
【００２０】図３において、１３，１４の各々は１水平
走査期間（６３．５μｓｅｃ）に相当する期間遅延する
遅延回路である。１５，１６の各々は加算器であり、加
算器１５は輝度信号用中間周波数フィルタ６より抽出さ
れた輝度信号成分と、遅延回路１３で遅延された１水平
走査期間前（走査線で言えば上）の輝度信号成分とを加
算し、出力する。他方、加算器１６は色信号用中間周波
数フィルタ７より抽出された色信号成分と、遅延回路１
４で遅延された１水平走査期間前の色信号成分とを加算
し、出力する。In FIG. 3, each of 13 and 14 is a delay circuit which delays for a period corresponding to one horizontal scanning period (63.5 μsec). Each of 15 and 16 is an adder, and the adder 15 receives the luminance signal component extracted by the luminance signal intermediate frequency filter 6 and one horizontal scanning period delayed by the delay circuit 13 (in the case of a scanning line, ) And the luminance signal component of) are added and output. On the other hand, the adder 16 detects the color signal component extracted from the color signal intermediate frequency filter 7 and the delay circuit 1
The color signal component delayed by 4 in the previous horizontal scanning period is added and output.
【００２１】加算器１５の出力が輝度信号用中間周波増
幅・検波回路９に供給され、加算器１６の出力が色信号
用中間周波増幅・検波回路１０に供給される。The output of the adder 15 is supplied to the luminance signal intermediate frequency amplifying / detecting circuit 9, and the output of the adder 16 is supplied to the color signal intermediate frequency amplifying / detecting circuit 10.
【００２２】このように、上下に隣り合う走査線に対応
する映像信号の各輝度信号の合成および各色信号の合成
をとり、それぞれを検波することで輝度および色の感度
が向上する。つまり、図４に示すように、１５．７５Ｋ
Ｈｚおきの信号に対して、その間のノイズ成分を除去す
ることができる。As described above, the luminance and color sensitivities are improved by synthesizing the respective luminance signals and the respective color signals of the video signals corresponding to the vertically adjacent scanning lines and detecting the respective signals. That is, as shown in FIG. 4, 15.75K
It is possible to remove the noise component between the signals at every Hz.
【００２３】上記各実施例では、輝度信号、色信号およ
び音声信号をそれぞれについて処理するので、従来のテ
レビ受信機に必要としたビデオ信号以降のフィルタ回路
を必要としない。また、輝度信号と色信号のタイミング
を合わせる為の遅延回路を削除することが可能である。In each of the above embodiments, the luminance signal, the chrominance signal, and the audio signal are processed, so that the filter circuit after the video signal required in the conventional television receiver is not required. Further, it is possible to eliminate the delay circuit for matching the timing of the luminance signal and the color signal.
【００２４】[0024]
【発明の効果】請求項１記載の発明によれば、チューナ
から出力される中間周波信号から輝度信号成分、色信号
成分および音声信号成分をそれぞれ別個に取り出し、そ
れぞれについて増幅および検波するようにしたので、電
界が弱い場合であっても色信号に輝度信号が影響を受け
ない分、色乱れが少なくなる。また、音声信号に他の信
号成分が混入しないので、バズやバズビートなどの音声
妨害が生じない。According to the first aspect of the invention, the luminance signal component, the chrominance signal component, and the audio signal component are separately extracted from the intermediate frequency signal output from the tuner, and amplified and detected respectively. Therefore, even if the electric field is weak, the color signal is less affected by the influence of the luminance signal on the color signal. In addition, since no other signal component is mixed in the audio signal, audio interference such as buzz or buzz beat does not occur.
【００２５】請求項２記載の発明によれば、上下に隣り
合う走査線に対応する映像信号の各輝度信号の合成およ
び各色信号の合成を行うようにしたので、輝度および色
の感度が向上し、請求項１記載の発明よりもさらに色乱
れが少なくなる。According to the second aspect of the invention, since the luminance signals and the color signals of the video signals corresponding to the vertically adjacent scanning lines are combined, the luminance and the color sensitivity are improved. The color disorder is further reduced as compared with the invention according to claim 1.
【図１】本発明に係るテレビ受信機の第１実施例の一部
分を示すブロック図である。FIG. 1 is a block diagram showing a part of a first embodiment of a television receiver according to the present invention.
【図２】同実施例の各種フィルタの周波数特性図であ
る。FIG. 2 is a frequency characteristic diagram of various filters of the embodiment.
【図３】本発明に係るテレビ受信機の第２実施例の一部
分を示すブロック図である。FIG. 3 is a block diagram showing a part of a second embodiment of the television receiver according to the present invention.
【図４】同実施例における輝度信号搬送波と色信号搬送
波を示す波形図である。FIG. 4 is a waveform diagram showing a luminance signal carrier wave and a chrominance signal carrier wave in the embodiment.
１ チューナ ６ 輝度信号用中間周波数フィルタ（第１のフィルタ） ７ 色信号用中間周波数フィルタ（第２のフィルタ） ８ 音声信号用中間周波数フィルタ（第３のフィルタ） ９ 輝度信号用中間周波増幅・検波回路（第１の中間周
波増幅・検波手段） １０ 色信号用中間周波増幅・検波回路（第２の中間周
波増幅・検波手段） １１ 音声信号用中間周波数増幅・検波回路（第３の中
間周波増幅・検波手段） １３ 遅延回路（第１の遅延手段） １４ 遅延回路（第２の遅延手段） １５ 加算器（第１の加算手段） １６ 加算器（第２の加算手段）1 Tuner 6 Intermediate frequency filter for luminance signal (first filter) 7 Intermediate frequency filter for color signal (second filter) 8 Intermediate frequency filter for audio signal (third filter) 9 Intermediate frequency amplification / detection for luminance signal Circuit (first intermediate frequency amplification / detection means) 10 Color signal intermediate frequency amplification / detection circuit (second intermediate frequency amplification / detection means) 11 Audio signal intermediate frequency amplification / detection circuit (third intermediate frequency amplification) -Detection means 13 Delay circuit (first delay means) 14 Delay circuit (second delay means) 15 Adder (first addition means) 16 Adder (second addition means)
Claims (2)
うち輝度信号成分を抽出する第１のフィルタと、 前記チューナから出力された中間周波信号のうち色信号
成分を抽出する第２のフィルタと、 前記チューナから出力された中間周波信号のうち音声信
号成分を抽出する第３のフィルタと、 前記第１のフィルタにより抽出された輝度信号成分を中
間周波増幅及び検波する第１の中間周波増幅・検波手段
と、 前記第２のフィルタにより抽出された色信号成分を中間
周波増幅及び検波する第２の中間周波増幅・検波手段
と、 前記第３のフィルタにより抽出された音声信号成分を中
間周波増幅及び検波する第３の中間周波増幅・検波手段
と、 を備えたことを特徴とするテレビ受信機。1. A first filter for extracting a luminance signal component from an intermediate frequency signal output from a tuner, and a second filter for extracting a color signal component from an intermediate frequency signal output from the tuner, A third filter for extracting an audio signal component from the intermediate frequency signal output from the tuner; and a first intermediate frequency amplification / detection for intermediate frequency amplification and detection of the luminance signal component extracted by the first filter. Means, second intermediate frequency amplification / detection means for intermediate frequency amplification and detection of the color signal component extracted by the second filter, and intermediate frequency amplification and detection for the audio signal component extracted by the third filter. A third aspect of the present invention is a television receiver including: a third intermediate frequency amplifying / detecting means for detecting.
度信号成分を遅延させる第１の遅延手段と、 前記第１の遅延手段より出力された遅延輝度信号成分と
前記第１のフィルタにより抽出された輝度信号成分を加
算し、この結果を前記第１の中間周波増幅・検波手段に
供給する第１の加算手段と、 前記第２のフィルタにより抽出された色信号成分を遅延
させる第２の遅延手段と、 前記第２の遅延手段より出力された遅延色信号成分と前
記第２のフィルタにより抽出された色信号成分を加算
し、この結果を前記第２の中間周波増幅・検波手段に供
給する第２の加算手段と、 を設けたことを特徴とする請求項１記載のテレビ受信
機。2. A first delay means for delaying the luminance signal component extracted by the first filter, a delayed luminance signal component output by the first delay means, and a delayed luminance signal component extracted by the first filter. First adding means for adding the luminance signal components and supplying the result to the first intermediate frequency amplifying / detecting means, and a second delay for delaying the chrominance signal components extracted by the second filter. Means, the delayed color signal component output from the second delay means and the color signal component extracted by the second filter are added, and the result is supplied to the second intermediate frequency amplification / detection means. The television receiver according to claim 1, further comprising: a second adding unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP43A JPH06205331A (en) | 1992-12-28 | 1992-12-28 | Television receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP43A JPH06205331A (en) | 1992-12-28 | 1992-12-28 | Television receiver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH06205331A true JPH06205331A (en) | 1994-07-22 |
Family
ID=18467123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP43A Pending JPH06205331A (en) | 1992-12-28 | 1992-12-28 | Television receiver |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH06205331A (en) |
-
1992
- 1992-12-28 JP JP43A patent/JPH06205331A/en active Pending
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