AT287079B - Circuit arrangement for an intercom - Google Patents
Circuit arrangement for an intercomInfo
- Publication number
- AT287079B AT287079B AT841866A AT841866A AT287079B AT 287079 B AT287079 B AT 287079B AT 841866 A AT841866 A AT 841866A AT 841866 A AT841866 A AT 841866A AT 287079 B AT287079 B AT 287079B
- Authority
- AT
- Austria
- Prior art keywords
- intercom
- circuit arrangement
- arrangement
- circuit
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/001—Two-way communication systems between a limited number of parties
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT841866A AT287079B (en) | 1966-09-07 | 1966-09-07 | Circuit arrangement for an intercom |
| FR1553759D FR1553759A (en) | 1966-09-07 | 1967-09-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT841866A AT287079B (en) | 1966-09-07 | 1966-09-07 | Circuit arrangement for an intercom |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AT287079B true AT287079B (en) | 1971-01-11 |
Family
ID=3605261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT841866A AT287079B (en) | 1966-09-07 | 1966-09-07 | Circuit arrangement for an intercom |
Country Status (2)
| Country | Link |
|---|---|
| AT (1) | AT287079B (en) |
| FR (1) | FR1553759A (en) |
-
1966
- 1966-09-07 AT AT841866A patent/AT287079B/en not_active IP Right Cessation
-
1967
- 1967-09-06 FR FR1553759D patent/FR1553759A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1553759A (en) | 1969-01-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EFA | Change in the company name | ||
| ELV | Ceased due to renunciation |