FR2142880B3 - - Google Patents
Info
- Publication number
- FR2142880B3 FR2142880B3 FR7125367A FR7125367A FR2142880B3 FR 2142880 B3 FR2142880 B3 FR 2142880B3 FR 7125367 A FR7125367 A FR 7125367A FR 7125367 A FR7125367 A FR 7125367A FR 2142880 B3 FR2142880 B3 FR 2142880B3
- 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
- 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7125367A FR2142880B3 (en) | 1971-06-25 | 1971-06-25 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7125367A FR2142880B3 (en) | 1971-06-25 | 1971-06-25 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2142880A1 FR2142880A1 (en) | 1973-02-02 |
FR2142880B3 true FR2142880B3 (en) | 1974-04-05 |
Family
ID=9080174
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7125367A Expired FR2142880B3 (en) | 1971-06-25 | 1971-06-25 |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2142880B3 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5571400A (en) * | 1978-11-24 | 1980-05-29 | Hitachi Ltd | Monolithic power ic and acoustic unit |
-
1971
- 1971-06-25 FR FR7125367A patent/FR2142880B3/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2142880A1 (en) | 1973-02-02 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |