BE569223A - - Google Patents
Info
- Publication number
- BE569223A BE569223A BE569223DA BE569223A BE 569223 A BE569223 A BE 569223A BE 569223D A BE569223D A BE 569223DA BE 569223 A BE569223 A BE 569223A
- Authority
- BE
- Belgium
- Prior art keywords
- line
- circuit
- voice
- frequency
- arrangement according
- Prior art date
Links
- 230000011664 signaling Effects 0.000 claims description 25
- 230000010355 oscillation Effects 0.000 claims description 18
- 239000004020 conductor Substances 0.000 claims description 11
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 230000000994 depressogenic effect Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 claims 1
- 239000008267 milk Substances 0.000 claims 1
- 210000004080 milk Anatomy 0.000 claims 1
- 235000013336 milk Nutrition 0.000 claims 1
- 238000004804 winding Methods 0.000 description 32
- 239000003990 capacitor Substances 0.000 description 25
- 230000005540 biological transmission Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 230000003321 amplification Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000001755 vocal effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/26—Devices for calling a subscriber
- H04M1/30—Devices which can set up and transmit only one digit at a time
- H04M1/50—Devices which can set up and transmit only one digit at a time by generating or selecting currents of predetermined frequencies or combinations of frequencies
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Telephonic Communication Services (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE569223A true BE569223A (cs) |
Family
ID=188268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE569223D BE569223A (cs) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE569223A (cs) |
-
0
- BE BE569223D patent/BE569223A/fr unknown
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