FR2212686B1 - - Google Patents
Info
- Publication number
- FR2212686B1 FR2212686B1 FR7347035A FR7347035A FR2212686B1 FR 2212686 B1 FR2212686 B1 FR 2212686B1 FR 7347035 A FR7347035 A FR 7347035A FR 7347035 A FR7347035 A FR 7347035A FR 2212686 B1 FR2212686 B1 FR 2212686B1
- Authority
- FR
- France
- 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
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/86—Arrangements characterised by the broadcast information itself
- H04H20/88—Stereophonic broadcast systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/86—Arrangements characterised by the broadcast information itself
- H04H20/88—Stereophonic broadcast systems
- H04H20/89—Stereophonic broadcast systems using three or more audio channels, e.g. triphonic or quadraphonic
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Stereo-Broadcasting Methods (AREA)
- Amplitude Modulation (AREA)
- Stereophonic System (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP733611A JPS5344081B2 (fr) | 1972-12-29 | 1972-12-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2212686A1 FR2212686A1 (fr) | 1974-07-26 |
| FR2212686B1 true FR2212686B1 (fr) | 1976-10-08 |
Family
ID=11562273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7347035A Expired FR2212686B1 (fr) | 1972-12-29 | 1973-12-28 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4041244A (fr) |
| JP (1) | JPS5344081B2 (fr) |
| CA (1) | CA1026429A (fr) |
| DE (1) | DE2365231A1 (fr) |
| FR (1) | FR2212686B1 (fr) |
| GB (1) | GB1446909A (fr) |
| NL (1) | NL7317629A (fr) |
| SE (1) | SE391845B (fr) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS504902A (fr) * | 1973-05-17 | 1975-01-20 | ||
| JPS54154638A (en) * | 1978-05-27 | 1979-12-05 | Tsukamoto Sangiyou Kk | Heattretaining supporter |
| JPS5760670U (fr) * | 1980-09-25 | 1982-04-10 | ||
| JPS5818937Y2 (ja) * | 1981-03-20 | 1983-04-18 | 弥栄工業株式会社 | 腕輪 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL287705A (fr) * | 1961-05-16 | |||
| US3175170A (en) * | 1962-06-01 | 1965-03-23 | Hewlett Packard Co | Modulator circuits |
| US3496491A (en) * | 1966-11-07 | 1970-02-17 | Itt | Single or double sideband suppressed carrier modulator |
| US3822365A (en) * | 1970-04-29 | 1974-07-02 | Matsushita Electric Corp | Compatible four channel fm system |
-
1972
- 1972-12-29 JP JP733611A patent/JPS5344081B2/ja not_active Expired
-
1973
- 1973-12-21 NL NL7317629A patent/NL7317629A/xx not_active Application Discontinuation
- 1973-12-28 CA CA189,048A patent/CA1026429A/fr not_active Expired
- 1973-12-28 SE SE7317571A patent/SE391845B/xx unknown
- 1973-12-28 DE DE2365231A patent/DE2365231A1/de not_active Ceased
- 1973-12-28 GB GB6001273A patent/GB1446909A/en not_active Expired
- 1973-12-28 FR FR7347035A patent/FR2212686B1/fr not_active Expired
-
1975
- 1975-11-04 US US05/628,733 patent/US4041244A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR2212686A1 (fr) | 1974-07-26 |
| JPS5344081B2 (fr) | 1978-11-25 |
| DE2365231A1 (de) | 1974-08-01 |
| JPS4991504A (fr) | 1974-09-02 |
| NL7317629A (fr) | 1974-07-02 |
| SE391845B (sv) | 1977-02-28 |
| CA1026429A (fr) | 1978-02-14 |
| GB1446909A (en) | 1976-08-18 |
| US4041244A (en) | 1977-08-09 |