FR2200713B3 - - Google Patents
Info
- Publication number
- FR2200713B3 FR2200713B3 FR7333546A FR7333546A FR2200713B3 FR 2200713 B3 FR2200713 B3 FR 2200713B3 FR 7333546 A FR7333546 A FR 7333546A FR 7333546 A FR7333546 A FR 7333546A FR 2200713 B3 FR2200713 B3 FR 2200713B3
- 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
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/08—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Amplifiers (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU73408/74A AU489416B2 (en) | 1973-09-19 | 1974-09-17 | Piston actuated fastening tool |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19722246022 DE2246022A1 (de) | 1972-09-20 | 1972-09-20 | Schaltungsanordnung fuer einen fernsprechapparat |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2200713A1 FR2200713A1 (fr) | 1974-04-19 |
FR2200713B3 true FR2200713B3 (fr) | 1976-08-20 |
Family
ID=5856796
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7333546A Expired FR2200713B3 (fr) | 1972-09-20 | 1973-09-19 |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE2246022A1 (fr) |
FR (1) | FR2200713B3 (fr) |
GB (1) | GB1391247A (fr) |
-
1972
- 1972-09-20 DE DE19722246022 patent/DE2246022A1/de active Pending
-
1973
- 1973-09-13 GB GB4303173A patent/GB1391247A/en not_active Expired
- 1973-09-19 FR FR7333546A patent/FR2200713B3/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2200713A1 (fr) | 1974-04-19 |
DE2246022A1 (de) | 1974-03-28 |
GB1391247A (en) | 1975-04-16 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |