JPH0228200U - - Google Patents
Info
- Publication number
- JPH0228200U JPH0228200U JP1988107176U JP10717688U JPH0228200U JP H0228200 U JPH0228200 U JP H0228200U JP 1988107176 U JP1988107176 U JP 1988107176U JP 10717688 U JP10717688 U JP 10717688U JP H0228200 U JPH0228200 U JP H0228200U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- surround
- surround decoder
- detection means
- input terminals
- 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 8
- 238000010586 diagram Methods 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation
- H04S5/02—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation of the pseudo four-channel type, e.g. in which rear channel signals are derived from two-channel stereo signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/02—Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Stereo-Broadcasting Methods (AREA)
- Stereophonic System (AREA)
- Television Receiver Circuits (AREA)
Description
第1図は、本考案の一実施例を示す回路図、第
2図は従来のサラウンドデコーダを示す回路図、
及び第3図は本考案の別の実施例を示す回路図で
ある。 15,16……入力端子、17……サラウンド
デコーダ、18……減算回路、19……両波整流
回路、20……コンデンサ、21……比較回路、
22……スイツチ、23,24,25,26……
出力端子。
2図は従来のサラウンドデコーダを示す回路図、
及び第3図は本考案の別の実施例を示す回路図で
ある。 15,16……入力端子、17……サラウンド
デコーダ、18……減算回路、19……両波整流
回路、20……コンデンサ、21……比較回路、
22……スイツチ、23,24,25,26……
出力端子。
Claims (1)
- 【実用新案登録請求の範囲】 (1) 左右入力端子と、左右出力端子と、センタ
ー出力端子と、サラウンド出力端子とを備えるサ
ラウンドデコーダにおいて、前記左右入力端子に
印加される入力信号がモノラル信号であることを
検出する検出手段と、該検出手段の出力信号に応
じてサラウンド信号路を遮断する遮断手段とを備
え、モノラル信号受信時にサラウンド出力端子に
不要信号が発生するのを防止したサラウンドデコ
ーダ。 (2) 前記検出手段は、左右入力端子に印加され
る入力信号の減算を行なう減算回路と、該減算回
路の出力信号のレベルを検出するレベル検出回路
とから成り、前記レベル検出回路の出力信号によ
り前記遮断手段を制御することを特徴とする請求
項第1項記載のサラウンドデコーダ。 (3) 前記レベル検出回路は、時定数回路を備え
、減算回路の出力信号が所定期間発生しないとき
、遮断手段を遮断状態に駆動することを特徴とす
る請求項第2項記載のサラウンドデコーダ。 (4) 前記左右入力端子に印加される入力信号は
、FMステレオ受信機から印加され、前記検出手
段はFMステレオ放送信号中に含まれる19KH
zステレオパイロツト信号の検出を行なうことを
特徴とする請求項第1項記載のサラウンドデコー
ダ。 (5) 前記左右入力端子に印加される入力信号は
、テレビジヨン音声多重受信機から印加され、前
記検出手段はテレビジヨン音声多重信号中に含ま
れるステレオ識別信号の検出を行なうことを特徴
とする請求項第1項記載のサラウンドデコーダ。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988107176U JPH0228200U (ja) | 1988-08-12 | 1988-08-12 | |
DE68919016T DE68919016T2 (de) | 1988-08-12 | 1989-08-07 | Dekodierer für Raumklang. |
EP89114571A EP0354519B1 (en) | 1988-08-12 | 1989-08-07 | Surround decoder |
US07/390,056 US4905283A (en) | 1988-08-12 | 1989-08-07 | Surround decoder |
CA000607842A CA1302297C (en) | 1988-08-12 | 1989-08-09 | Surround decoder |
KR1019890011445A KR960002473B1 (ko) | 1988-08-12 | 1989-08-11 | 서라운드 데코더 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988107176U JPH0228200U (ja) | 1988-08-12 | 1988-08-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0228200U true JPH0228200U (ja) | 1990-02-23 |
Family
ID=14452399
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1988107176U Pending JPH0228200U (ja) | 1988-08-12 | 1988-08-12 |
Country Status (6)
Country | Link |
---|---|
US (1) | US4905283A (ja) |
EP (1) | EP0354519B1 (ja) |
JP (1) | JPH0228200U (ja) |
KR (1) | KR960002473B1 (ja) |
CA (1) | CA1302297C (ja) |
DE (1) | DE68919016T2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0553399U (ja) * | 1991-12-17 | 1993-07-13 | 三洋電機株式会社 | サラウンド効果切換装置 |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63183495A (ja) * | 1987-01-27 | 1988-07-28 | ヤマハ株式会社 | 音場制御装置 |
US5761315A (en) * | 1993-07-30 | 1998-06-02 | Victor Company Of Japan, Ltd. | Surround signal processing apparatus |
DE69433258T2 (de) * | 1993-07-30 | 2004-07-01 | Victor Company of Japan, Ltd., Yokohama | Raumklangsignalverarbeitungsvorrichtung |
US5717765A (en) * | 1994-03-07 | 1998-02-10 | Sony Corporation | Theater sound system with upper surround channels |
US5638452A (en) * | 1995-04-21 | 1997-06-10 | Rocktron Corporation | Expandable multi-dimensional sound circuit |
FR2751828A1 (fr) * | 1996-07-24 | 1998-01-30 | Guisto Marc Albert | Procede et dispositif de decodage, convertissant un signal d'origine stereophonique en signal surround pour les voies arrieres, destine a la reproduction sonore a effet cinema ou home cinema |
ES2127135B1 (es) * | 1997-04-23 | 1999-11-16 | Lera Jose Maria Lopez | Sistema de audicion. |
KR100320753B1 (ko) | 1999-10-23 | 2002-01-17 | 박한오 | 어류의 정원세포로부터 dna 추출방법 |
US7451006B2 (en) * | 2001-05-07 | 2008-11-11 | Harman International Industries, Incorporated | Sound processing system using distortion limiting techniques |
US7447321B2 (en) * | 2001-05-07 | 2008-11-04 | Harman International Industries, Incorporated | Sound processing system for configuration of audio signals in a vehicle |
US7177432B2 (en) * | 2001-05-07 | 2007-02-13 | Harman International Industries, Incorporated | Sound processing system with degraded signal optimization |
US6804565B2 (en) * | 2001-05-07 | 2004-10-12 | Harman International Industries, Incorporated | Data-driven software architecture for digital sound processing and equalization |
TWI517028B (zh) * | 2010-12-22 | 2016-01-11 | 傑奧笛爾公司 | 音訊空間定位和環境模擬 |
KR102190612B1 (ko) * | 2019-08-27 | 2020-12-14 | (주)모아캠 | 식물성 원료, 미생물 원료 또는 해양성 원료로부터 유래된 저분자량 dna의 제조방법 |
KR102531611B1 (ko) * | 2022-10-12 | 2023-05-12 | 주식회사 한국비엔씨 | 고순도 dna 단편 혼합물의 제조 방법 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4890501A (ja) * | 1972-03-01 | 1973-11-26 | ||
JPS619967B2 (ja) * | 1976-03-30 | 1986-03-27 | Union Carbide Corp |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3959590A (en) * | 1969-01-11 | 1976-05-25 | Peter Scheiber | Stereophonic sound system |
JPS5248001B2 (ja) * | 1973-08-20 | 1977-12-07 | ||
DE3267678D1 (en) * | 1981-07-25 | 1986-01-09 | Thorn Emi Ferguson | Stereo indicating circuit |
JPS6046200A (ja) * | 1983-08-22 | 1985-03-12 | Funai Denki Kk | ゲ−ム機用立体音声作成装置 |
US4589129A (en) * | 1984-02-21 | 1986-05-13 | Kintek, Inc. | Signal decoding system |
JPS62122500A (ja) * | 1985-11-22 | 1987-06-03 | Sony Corp | マルチチヤンネルステレオ再生装置 |
GB2187068B (en) * | 1986-02-25 | 1988-12-14 | Microbourne Limited | Sound reproduction system |
-
1988
- 1988-08-12 JP JP1988107176U patent/JPH0228200U/ja active Pending
-
1989
- 1989-08-07 DE DE68919016T patent/DE68919016T2/de not_active Expired - Fee Related
- 1989-08-07 US US07/390,056 patent/US4905283A/en not_active Expired - Lifetime
- 1989-08-07 EP EP89114571A patent/EP0354519B1/en not_active Expired - Lifetime
- 1989-08-09 CA CA000607842A patent/CA1302297C/en not_active Expired - Lifetime
- 1989-08-11 KR KR1019890011445A patent/KR960002473B1/ko not_active IP Right Cessation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4890501A (ja) * | 1972-03-01 | 1973-11-26 | ||
JPS619967B2 (ja) * | 1976-03-30 | 1986-03-27 | Union Carbide Corp |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0553399U (ja) * | 1991-12-17 | 1993-07-13 | 三洋電機株式会社 | サラウンド効果切換装置 |
Also Published As
Publication number | Publication date |
---|---|
EP0354519B1 (en) | 1994-10-26 |
US4905283A (en) | 1990-02-27 |
EP0354519A2 (en) | 1990-02-14 |
KR900004219A (ko) | 1990-03-27 |
KR960002473B1 (ko) | 1996-02-17 |
DE68919016D1 (de) | 1994-12-01 |
CA1302297C (en) | 1992-06-02 |
DE68919016T2 (de) | 1995-02-23 |
EP0354519A3 (en) | 1991-09-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPH0228200U (ja) | ||
US5136649A (en) | Fm stereophonic receiver | |
JPS567541A (en) | Fm radio for vehicle | |
JPS5834446U (ja) | ミユ−テイング回路 | |
JPS5871270U (ja) | 音声多重回路の誤動作防止回路 | |
JPS62219900A (ja) | 自動サラウンドモ−ド制御装置 | |
JPH0427638U (ja) | ||
JPS6310679U (ja) | ||
JPS6111512B2 (ja) | ||
JPS619967U (ja) | ステレオ音声放送受信可能なテレビジヨンシステム用の4チヤネルステレオ・オ−デオシステム | |
JPS643228U (ja) | ||
JPS6340077U (ja) | ||
JPS5969569U (ja) | 音声多重放送受信機 | |
JPS6258975U (ja) | ||
JPS5936669U (ja) | 音場拡大切換回路 | |
JPS5819547U (ja) | 無線受信機 | |
JPH0359799U (ja) | ||
JPS5811374U (ja) | テレビ音声多重放送受信機 | |
JPS6392500U (ja) | ||
JPH0339942U (ja) | ||
JPS61149442U (ja) | ||
JPH01156675U (ja) | ||
JPS63102370U (ja) | ||
JPS6430973U (ja) | ||
JPS63147041U (ja) |