BE361949A - - Google Patents
Info
- Publication number
- BE361949A BE361949A BE361949DA BE361949A BE 361949 A BE361949 A BE 361949A BE 361949D A BE361949D A BE 361949DA BE 361949 A BE361949 A BE 361949A
- Authority
- BE
- Belgium
- Prior art keywords
- station
- main station
- line
- conference
- main
- Prior art date
Links
- 230000005236 sound signal Effects 0.000 description 4
- 230000017105 transposition Effects 0.000 description 4
- 238000004804 winding Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
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)
- Telephonic Communication Services (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE361949A true BE361949A (enrdf_load_html_response) |
Family
ID=34950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE361949D BE361949A (enrdf_load_html_response) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE361949A (enrdf_load_html_response) |
-
0
- BE BE361949D patent/BE361949A/fr unknown
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7953214B2 (en) | Caller ID system with retransmitted caller ID information | |
| GB449609A (en) | Loud-speaking and amplified telephone systems | |
| BE361949A (enrdf_load_html_response) | ||
| EP0343089B1 (fr) | Circuit d'interface téléphonique | |
| EP0551950A1 (fr) | Télécopieur vidéotex | |
| US1739889A (en) | Telephone | |
| CN2289352Y (zh) | 一种电话机 | |
| CH198010A (fr) | Installation téléphonique à batterie centrale. | |
| CH106044A (fr) | Installation téléphonique pour bureau privé annexe. | |
| FR2472313A1 (fr) | Dispositif de telesurveillance d'ascenseurs | |
| EP0252969A1 (en) | Telephone intercom device | |
| Friendly et al. | Automatic methods in long distance telephone operation | |
| US1075258A (en) | Telephony. | |
| BE382100A (enrdf_load_html_response) | ||
| BE369910A (enrdf_load_html_response) | ||
| BE473923A (enrdf_load_html_response) | ||
| BE433523A (enrdf_load_html_response) | ||
| BE353077A (enrdf_load_html_response) | ||
| BE416525A (enrdf_load_html_response) | ||
| CH291061A (fr) | Installation de télécommunication. | |
| BE391036A (enrdf_load_html_response) | ||
| CH132457A (fr) | Installation téléphonique semi-automatique. | |
| BE357752A (enrdf_load_html_response) | ||
| CH513562A (fr) | Installation de liaison radio mobile | |
| BE455605A (enrdf_load_html_response) |