JPS5434569Y2 - - Google Patents
Info
- Publication number
- JPS5434569Y2 JPS5434569Y2 JP1973101822U JP10182273U JPS5434569Y2 JP S5434569 Y2 JPS5434569 Y2 JP S5434569Y2 JP 1973101822 U JP1973101822 U JP 1973101822U JP 10182273 U JP10182273 U JP 10182273U JP S5434569 Y2 JPS5434569 Y2 JP S5434569Y2
- Authority
- JP
- Japan
- 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.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S1/00—Two-channel systems
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00992—Circuits for stereophonic or quadraphonic recording or reproducing
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1973101822U JPS5434569Y2 (US20020128544A1-20020912-P00008.png) | 1973-08-30 | 1973-08-30 | |
| US05/500,257 US3939489A (en) | 1973-08-30 | 1974-08-26 | Recording and reproducing apparatus |
| GB3763374A GB1477217A (en) | 1973-08-30 | 1974-08-28 | Recording and reproducing apparatus |
| DE2441435A DE2441435A1 (de) | 1973-08-30 | 1974-08-29 | Aufzeichnungs- und wiedergabegeraet |
| CA208,082A CA1001083A (en) | 1973-08-30 | 1974-08-29 | Recording and reproducing apparatus |
| NL7411593A NL7411593A (nl) | 1973-08-30 | 1974-08-30 | Apparaat voor opname en weergave van signalen. |
| FR7429719A FR2257978B1 (US20020128544A1-20020912-P00008.png) | 1973-08-30 | 1974-08-30 | |
| IT7426829A IT1020368B (it) | 1973-08-30 | 1974-08-30 | Apparato per la registrazione e la riproduzione magnetica |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1973101822U JPS5434569Y2 (US20020128544A1-20020912-P00008.png) | 1973-08-30 | 1973-08-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5048605U JPS5048605U (US20020128544A1-20020912-P00008.png) | 1975-05-14 |
| JPS5434569Y2 true JPS5434569Y2 (US20020128544A1-20020912-P00008.png) | 1979-10-23 |
Family
ID=14310796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1973101822U Expired JPS5434569Y2 (US20020128544A1-20020912-P00008.png) | 1973-08-30 | 1973-08-30 |
Country Status (8)
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4095261A (en) * | 1976-01-07 | 1978-06-13 | Jesus Rodriguez | Audio tape recorder, editor and amplifying system |
| GB2157475A (en) * | 1984-04-12 | 1985-10-23 | Hwang Sung Ting | Audio recording |
| US5349480A (en) * | 1988-03-31 | 1994-09-20 | Seiko Epson Corporation | Portable audio apparatus |
| US5208717A (en) * | 1988-03-31 | 1993-05-04 | Seiko Epson Corporation | Portable information reproducing and voice amplifying apparatus |
| US5225944A (en) * | 1988-03-31 | 1993-07-06 | Seiko Epson Corporation | Portable audio apparatus |
| JP2005266198A (ja) * | 2004-03-18 | 2005-09-29 | Pioneer Electronic Corp | 音響情報再生装置および音楽データのキーワード作成方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3401237A (en) * | 1962-08-27 | 1968-09-10 | Victor Company Of Japan | Simultaneous recording of two signals per channel |
| JPS4938054B1 (US20020128544A1-20020912-P00008.png) * | 1968-05-09 | 1974-10-15 | ||
| US3831190A (en) * | 1969-12-24 | 1974-08-20 | Borg Warner | System for production of recording |
| GB1410772A (en) * | 1971-08-11 | 1975-10-22 | Nippon Columbia | Audio frequency signal changing circuits |
-
1973
- 1973-08-30 JP JP1973101822U patent/JPS5434569Y2/ja not_active Expired
-
1974
- 1974-08-26 US US05/500,257 patent/US3939489A/en not_active Expired - Lifetime
- 1974-08-28 GB GB3763374A patent/GB1477217A/en not_active Expired
- 1974-08-29 CA CA208,082A patent/CA1001083A/en not_active Expired
- 1974-08-29 DE DE2441435A patent/DE2441435A1/de not_active Withdrawn
- 1974-08-30 IT IT7426829A patent/IT1020368B/it active
- 1974-08-30 NL NL7411593A patent/NL7411593A/xx not_active Application Discontinuation
- 1974-08-30 FR FR7429719A patent/FR2257978B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CA1001083A (en) | 1976-12-07 |
| IT1020368B (it) | 1977-12-20 |
| JPS5048605U (US20020128544A1-20020912-P00008.png) | 1975-05-14 |
| FR2257978A1 (US20020128544A1-20020912-P00008.png) | 1975-08-08 |
| US3939489A (en) | 1976-02-17 |
| FR2257978B1 (US20020128544A1-20020912-P00008.png) | 1979-04-06 |
| GB1477217A (en) | 1977-06-22 |
| DE2441435A1 (de) | 1975-03-13 |
| NL7411593A (nl) | 1975-03-04 |
