JPS6178478U - - Google Patents
Info
- Publication number
- JPS6178478U JPS6178478U JP16216784U JP16216784U JPS6178478U JP S6178478 U JPS6178478 U JP S6178478U JP 16216784 U JP16216784 U JP 16216784U JP 16216784 U JP16216784 U JP 16216784U JP S6178478 U JPS6178478 U JP S6178478U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- ghost
- circuit
- receivers
- inverting amplifier
- 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
- 238000001514 detection method Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 8
Landscapes
- Picture Signal Circuits (AREA)
Description
第１図はこの考案によるゴースト除去装置のブ
ロツク図、第２図は複数のアンテナに入射する電
波受信を説明する図、第３図は第１図に示すブロ
ツク図の各部の信号波形図、第４図はこの考案に
よる他の実施例を示すブロツク図、第５図は従来
のゴースト除去装置を示すブロツク図、第６図は
第５図に示すブロツク図の各部の信号波形図であ
る。
１１，１２…アンテナ、１３，１４…受信機、
１５…検出比較回路、１６…検出回路、１７…反
転回路、１８…加算器、１９…増幅器、２０…Ａ
ＧＣ回路。
Fig. 1 is a block diagram of the ghost removal device according to this invention, Fig. 2 is a diagram explaining the reception of radio waves incident on multiple antennas, Fig. 3 is a signal waveform diagram of each part of the block diagram shown in Fig. 1, FIG. 4 is a block diagram showing another embodiment of this invention, FIG. 5 is a block diagram showing a conventional ghost removal device, and FIG. 6 is a signal waveform diagram of each part of the block diagram shown in FIG. 11, 12... antenna, 13, 14... receiver,
15...Detection comparison circuit, 16...Detection circuit, 17...Inversion circuit, 18...Adder, 19...Amplifier, 20...A
GC circuit.
Claims (1)
アンテナのそれぞれに接続された複数の受信機と
、該複数の受信機の複調出力信号に含まれる主信
号に対するゴースト信号の比を検出し、比較する
検出比較回路と、該複数の受信機により選択され
た信号に含まれるゴースト信号のレベル比を検出
する検出回路と、該検出回路のレベル比で一方の
信号を反転増幅しゴーストキヤンセル信号を得る
反転増幅回路と、該複数の受信機により選択され
た他方の主信号に該反転増幅回路よりのゴースト
キヤンセル信号を加え合せる加算回路とを備えた
ビデオ信号のゴースト除去装置。 Detect and compare multiple antennas with different directivity characteristics, multiple receivers connected to each of the multiple antennas, and the ratio of the ghost signal to the main signal included in the demodulated output signal of the multiple receivers. a detection comparison circuit that detects a level ratio of ghost signals included in the signals selected by the plurality of receivers, and a detection circuit that inverts and amplifies one signal using the level ratio of the detection circuit to obtain a ghost cancel signal. A video signal ghost removal device comprising: an inverting amplifier circuit; and an adding circuit that adds a ghost cancel signal from the inverting amplifier circuit to the other main signal selected by the plurality of receivers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16216784U JPS6178478U (en) | 1984-10-25 | 1984-10-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16216784U JPS6178478U (en) | 1984-10-25 | 1984-10-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6178478U true JPS6178478U (en) | 1986-05-26 |
Family
ID=30720055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16216784U Pending JPS6178478U (en) | 1984-10-25 | 1984-10-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6178478U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5232217A (en) * | 1975-09-05 | 1977-03-11 | Matsushita Electric Ind Co Ltd | Ghost eliminating equipment |
| JPS562475A (en) * | 1979-06-20 | 1981-01-12 | Hitachi Ltd | Starting method of pump or hydraulic turbine of pump |
-
1984
- 1984-10-25 JP JP16216784U patent/JPS6178478U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5232217A (en) * | 1975-09-05 | 1977-03-11 | Matsushita Electric Ind Co Ltd | Ghost eliminating equipment |
| JPS562475A (en) * | 1979-06-20 | 1981-01-12 | Hitachi Ltd | Starting method of pump or hydraulic turbine of pump |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS6178478U (en) | ||
| JPS6246355Y2 (en) | ||
| JPH0419034U (en) | ||
| JPH0486343U (en) | ||
| JPH0374380U (en) | ||
| JPS63292806A (en) | Am data wireless receiver | |
| JPS641810Y2 (en) | ||
| JPH0311751Y2 (en) | ||
| JPS591253U (en) | vehicle antenna | |
| JPS5927648U (en) | Ultrasonic transceiver device | |
| JPH01149140U (en) | ||
| JPH01122638U (en) | ||
| JPS60161875U (en) | Calibration circuit | |
| JPS61143352U (en) | ||
| JPH01122674U (en) | ||
| JPS62177139U (en) | ||
| JPH0365361U (en) | ||
| JPH0273837U (en) | ||
| JPS62162680U (en) | ||
| JPH0312541U (en) | ||
| JPS63135178U (en) | ||
| JPS591252U (en) | vehicle antenna | |
| JPS5933515U (en) | guided flying body | |
| Xu et al. | Fade Statistics and CNR Improvement of an Equal-Gain Coherent Receiver Array | |
| JPS5816571U (en) | radar receiving device |