BE780710R - Systeme d'enregistrement et de reproduction - Google Patents
Systeme d'enregistrement et de reproductionInfo
- Publication number
- BE780710R BE780710R BE780710A BE780710A BE780710R BE 780710 R BE780710 R BE 780710R BE 780710 A BE780710 A BE 780710A BE 780710 A BE780710 A BE 780710A BE 780710 R BE780710 R BE 780710R
- Authority
- BE
- Belgium
- Prior art keywords
- recording
- reproduction system
- reproduction
- Prior art date
Links
Classifications
-
- 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)
- Algebra (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Mathematical Physics (AREA)
- Pure & Applied Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Stereophonic System (AREA)
- Stereo-Broadcasting Methods (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00124135A US3821471A (en) | 1971-03-15 | 1971-03-15 | Apparatus for reproducing quadraphonic sound |
Publications (1)
Publication Number | Publication Date |
---|---|
BE780710R true BE780710R (fr) | 1972-09-15 |
Family
ID=22412987
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE780710A BE780710R (fr) | 1971-03-15 | 1972-03-15 | Systeme d'enregistrement et de reproduction |
BE780711A BE780711R (fr) | 1971-03-15 | 1972-03-15 | Decodeur pour systeme de reproduction |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE780711A BE780711R (fr) | 1971-03-15 | 1972-03-15 | Decodeur pour systeme de reproduction |
Country Status (8)
Country | Link |
---|---|
US (1) | US3821471A (de) |
JP (2) | JPS5110962B2 (de) |
BE (2) | BE780710R (de) |
CA (1) | CA978860A (de) |
DE (1) | DE2209424C3 (de) |
FR (2) | FR2130305B2 (de) |
GB (1) | GB1387874A (de) |
NL (1) | NL7203169A (de) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5645358B2 (de) * | 1973-11-29 | 1981-10-26 | ||
JPS5424841B2 (de) * | 1974-02-26 | 1979-08-24 | ||
GB1514162A (en) * | 1974-03-25 | 1978-06-14 | Ruggles W | Directional enhancement system for quadraphonic decoders |
US3937885A (en) * | 1974-09-06 | 1976-02-10 | Motorola, Inc. | Control circuit for a matrixed four channel audio reproducing system |
US4018992A (en) * | 1975-09-25 | 1977-04-19 | Clifford H. Moulton | Decoder for quadraphonic playback |
GB1550627A (en) * | 1975-11-13 | 1979-08-15 | Nat Res Dev | Sound reproduction systems |
JPS5827645B2 (ja) * | 1977-11-24 | 1983-06-10 | 株式会社日立製作所 | 静止誘導機器 |
US4799260A (en) * | 1985-03-07 | 1989-01-17 | Dolby Laboratories Licensing Corporation | Variable matrix decoder |
US5046098A (en) * | 1985-03-07 | 1991-09-03 | Dolby Laboratories Licensing Corporation | Variable matrix decoder with three output channels |
US4941177A (en) * | 1985-03-07 | 1990-07-10 | Dolby Laboratories Licensing Corporation | Variable matrix decoder |
US7251337B2 (en) * | 2003-04-24 | 2007-07-31 | Dolby Laboratories Licensing Corporation | Volume control in movie theaters |
KR101133944B1 (ko) * | 2004-06-28 | 2012-04-13 | 아지노모토 가부시키가이샤 | 영양 조성물 및 소화관 기능 저하 예방?개선용 조성물 |
JP4835298B2 (ja) * | 2006-07-21 | 2011-12-14 | ソニー株式会社 | オーディオ信号処理装置、オーディオ信号処理方法およびプログラム |
US11039263B2 (en) * | 2019-05-29 | 2021-06-15 | Mark Petrouske | Wide effect sound producing method |
-
1971
- 1971-03-15 US US00124135A patent/US3821471A/en not_active Expired - Lifetime
-
1972
- 1972-01-28 CA CA133,379A patent/CA978860A/en not_active Expired
- 1972-02-23 GB GB841272A patent/GB1387874A/en not_active Expired
- 1972-02-28 DE DE2209424A patent/DE2209424C3/de not_active Expired
- 1972-03-09 NL NL7203169A patent/NL7203169A/xx not_active Application Discontinuation
- 1972-03-13 JP JP47024794A patent/JPS5110962B2/ja not_active Expired
- 1972-03-15 FR FR7209093A patent/FR2130305B2/fr not_active Expired
- 1972-03-15 BE BE780710A patent/BE780710R/xx active
- 1972-03-15 BE BE780711A patent/BE780711R/xx active
- 1972-03-15 FR FR7209094A patent/FR2130306B2/fr not_active Expired
-
1975
- 1975-07-21 JP JP8911275A patent/JPS5316281B2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1387874A (en) | 1975-03-19 |
FR2130306B2 (de) | 1977-12-23 |
NL7203169A (de) | 1972-09-19 |
JPS5136903A (de) | 1976-03-29 |
JPS5110962B2 (de) | 1976-04-08 |
DE2209424B2 (de) | 1978-01-26 |
DE2209424C3 (de) | 1978-09-28 |
JPS4849401A (de) | 1973-07-12 |
US3821471A (en) | 1974-06-28 |
FR2130306A2 (de) | 1972-11-03 |
FR2130305B2 (de) | 1979-04-27 |
DE2209424A1 (de) | 1972-09-28 |
JPS5316281B2 (de) | 1978-05-31 |
FR2130305A2 (de) | 1972-11-03 |
BE780711R (fr) | 1972-09-15 |
CA978860A (en) | 1975-12-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
BE768184A (fr) | Systeme d'enregistrement et de reproduction quadriphonique | |
SE385164B (sv) | Avspelningsanleggning | |
BE789941A (fr) | Systeme d'enregistrement et de lecture d'images miniaturisees | |
FR2306469A1 (fr) | Systeme d'enregistrement et de reproduction d'un hologramme | |
BE744096A (fr) | Support d'enregistrement magnetique | |
BE787543A (fr) | Ensemble d'enregistrement et/ou de reproduction magnetique | |
BE761969A (fr) | Systeme d'enregistrement et de reproduction pour signal video de couleur | |
AT354757B (de) | Kassetten-aufnahme- und/oder-wiedergabegeraet | |
BE780710R (fr) | Systeme d'enregistrement et de reproduction | |
BE788832A (fr) | Appareils d'enregistrement et de reproduction magnetique | |
BE785279A (fr) | Systeme d'enregistrement et de reproduction quadriphonique | |
FR2279189A1 (fr) | Systeme d'enregistrement magnetique | |
BE784312A (fr) | Support d'enregistrement magnetique | |
BE761970A (fr) | Systeme d'enregistrement et de reproduction pour signal video de couleur | |
BE792878A (fr) | Systeme d'enregistrement et de lecture | |
BE831473A (fr) | Systeme d'enregistrement magnetique | |
BE792523A (fr) | Systeme d'enregistrement d'hologramme de fraunhofer redontant | |
SE415414B (sv) | Inspelnings- och avspelningsapparat | |
ZA725415B (en) | Magnetic recording and/or reproducing system | |
NL7414973A (nl) | Magnetische video opneem- en reproduktie-in- richting. | |
SE392788B (sv) | Inspelnings- och avspelningsapparat for videosignaler | |
ATA685272A (de) | Aufnahme- und wiedergabegerat | |
IT996818B (it) | Registratore e riproduttore video | |
NL7602524A (nl) | Opname- en terugspeelstelsel. | |
NO139283C (no) | Anordning ved opptagelsesavspillingssystem |