BE374880A - - Google Patents
Info
- Publication number
- BE374880A BE374880A BE374880DA BE374880A BE 374880 A BE374880 A BE 374880A BE 374880D A BE374880D A BE 374880DA BE 374880 A BE374880 A BE 374880A
- Authority
- BE
- Belgium
- Prior art keywords
- frequencies
- electromagnets
- circuit
- electromagnet
- desc
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 claims description 20
- 238000004891 communication Methods 0.000 claims description 11
- 230000005284 excitation Effects 0.000 claims description 9
- 238000003780 insertion Methods 0.000 claims description 9
- 230000037431 insertion Effects 0.000 claims description 9
- 230000000750 progressive effect Effects 0.000 claims description 9
- 230000002441 reversible effect Effects 0.000 claims description 6
- 230000001788 irregular Effects 0.000 claims description 3
- 238000012986 modification Methods 0.000 claims 1
- 230000004048 modification Effects 0.000 claims 1
- 210000000056 organ Anatomy 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 description 8
- 230000008878 coupling Effects 0.000 description 8
- 238000010168 coupling process Methods 0.000 description 8
- 238000005859 coupling reaction Methods 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000004020 conductor Substances 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 241000446313 Lamella Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 239000005557 antagonist Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000001427 incoherent neutron scattering Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B3/00—Audible signalling systems; Audible personal calling systems
- G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Selective Calling Equipment (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE374880A true BE374880A (enrdf_load_stackoverflow) |
Family
ID=45571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE374880D BE374880A (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE374880A (enrdf_load_stackoverflow) |
-
0
- BE BE374880D patent/BE374880A/fr unknown
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US1947249A (en) | Telephonic telegraphy | |
| BE374880A (enrdf_load_stackoverflow) | ||
| US2082303A (en) | Telephone system for recording and reproducing transmissions | |
| US1888904A (en) | Station calling device | |
| US2700067A (en) | Apparatus for magnetically storing teleprinter signals | |
| EP0083893A1 (fr) | Système de transmission de messages à un poste téléphonique par la ligne d'abonné dans une installation téléphonique | |
| US2000694A (en) | Television system | |
| US1852877A (en) | Talking machine | |
| US2028772A (en) | Cryptographic system | |
| US2164038A (en) | Facsimile transmission and reproduction | |
| US1050777A (en) | Phonographic wireless telephone. | |
| US1920729A (en) | Telephone message recording and reproducing apparatus | |
| US2203877A (en) | Telephone message recording and reproducing apparatus | |
| US378436A (en) | delany | |
| US1895015A (en) | Telegraph repeater | |
| US1808916A (en) | Circuit control system | |
| US2399961A (en) | Operating phonograph over communication circuits | |
| CH294527A (fr) | Radiotéléphone. | |
| BE532489A (enrdf_load_stackoverflow) | ||
| GB508103A (en) | Improvements in or relating to means for the transmission of telegrams over telephone wires | |
| US355662A (en) | Printing telegraph | |
| US636209A (en) | Telephonograph. | |
| US1606227A (en) | Transmission of pictures by electricity | |
| US717776A (en) | Quadruplex telegraph system. | |
| US239579A (en) | Telephone signaling apparatus |