BE443090A - - Google Patents
Info
- Publication number
- BE443090A BE443090A BE443090DA BE443090A BE 443090 A BE443090 A BE 443090A BE 443090D A BE443090D A BE 443090DA BE 443090 A BE443090 A BE 443090A
- Authority
- BE
- Belgium
- Prior art keywords
- emi
- communication
- call
- line
- signal
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 claims description 22
- 238000009434 installation Methods 0.000 claims description 13
- 239000003990 capacitor Substances 0.000 claims description 11
- 238000004804 winding Methods 0.000 claims description 10
- 230000000903 blocking effect Effects 0.000 claims description 8
- 230000005284 excitation Effects 0.000 claims description 5
- 230000011664 signaling Effects 0.000 claims description 5
- 230000000977 initiatory effect Effects 0.000 claims description 4
- 150000001768 cations Chemical class 0.000 claims description 2
- 239000004020 conductor Substances 0.000 claims 1
- 230000001960 triggered effect Effects 0.000 claims 1
- 230000008901 benefit Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P1/00—Details of instruments
- G01P1/07—Indicating devices, e.g. for remote indication
- G01P1/08—Arrangements of scales, pointers, lamps or acoustic indicators, e.g. in automobile speedometers
- G01P1/10—Arrangements of scales, pointers, lamps or acoustic indicators, e.g. in automobile speedometers for indicating predetermined speeds
-
- 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
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE224320X | 1940-10-17 | ||
DE150141X | 1941-01-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE443090A true BE443090A (enrdf_load_stackoverflow) | 1941-11-29 |
Family
ID=25752435
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE443090D BE443090A (enrdf_load_stackoverflow) | 1940-10-17 | 1941-10-17 |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE443090A (enrdf_load_stackoverflow) |
CH (1) | CH224320A (enrdf_load_stackoverflow) |
FR (1) | FR876287A (enrdf_load_stackoverflow) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE918759C (de) * | 1949-10-16 | 1954-10-04 | Standard Elek Zitaets Ges A G | Schaltungsanordnung fuer Wechselsprech-Lautsprech-Anlagen mit Konferenzbetrieb |
-
1941
- 1941-09-11 CH CH224320D patent/CH224320A/de unknown
- 1941-09-27 FR FR876287D patent/FR876287A/fr not_active Expired
- 1941-10-17 BE BE443090D patent/BE443090A/fr unknown
Also Published As
Publication number | Publication date |
---|---|
CH224320A (de) | 1942-11-15 |
FR876287A (fr) | 1942-11-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US5596631A (en) | Station controller for distributed single line PABX | |
CH617805A5 (enrdf_load_stackoverflow) | ||
BE443090A (enrdf_load_stackoverflow) | ||
US2852612A (en) | Multistation telephone intercommunicating and conference system | |
FR2462006A1 (fr) | Dispositif pour augmenter l'inductance parallele d'un transformateur | |
JPS584508B2 (ja) | カニユウシヤデンワソウチ | |
US3057963A (en) | Inter-switching center transfer arrangement | |
US3294922A (en) | Operator position equipment for telephone systems | |
US1802446A (en) | Telephone system | |
BE335629A (enrdf_load_stackoverflow) | ||
FR2622380A1 (fr) | Systeme de distribution de lignes telephoniques pour un poste telephonique simple | |
US1629491A (en) | Program-selecting circuits | |
US1298588A (en) | Telephone system. | |
US1262112A (en) | Telephone system. | |
BE377986A (enrdf_load_stackoverflow) | ||
US620745A (en) | Henry middle brook crane | |
FR2681208A1 (fr) | Installation d'interphone avec un poste de porte et avec au moins un poste vocal interieur. | |
US1324364A (en) | Telephone-exchange system | |
US1573794A (en) | Telephone-exchange system | |
US1320715A (en) | Telephone system | |
US1228167A (en) | Auxiliary-supervisory-signal system. | |
US1747241A (en) | Telephone system | |
BE469508A (enrdf_load_stackoverflow) | ||
BE473140A (enrdf_load_stackoverflow) | ||
BE476206A (enrdf_load_stackoverflow) |