DE217778C - - Google Patents
Info
- Publication number
- DE217778C DE217778C DENDAT217778D DE217778DA DE217778C DE 217778 C DE217778 C DE 217778C DE NDAT217778 D DENDAT217778 D DE NDAT217778D DE 217778D A DE217778D A DE 217778DA DE 217778 C DE217778 C DE 217778C
- Authority
- DE
- Germany
- Prior art keywords
- line
- bridge
- battery
- relay
- telephone
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000004804 winding Methods 0.000 claims description 13
- 239000003990 capacitor Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 230000004913 activation Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000002555 auscultation Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 150000001875 compounds Chemical class 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
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/68—Circuit arrangements for preventing eavesdropping
- H04M1/70—Lock-out or secrecy arrangements in party-line systems
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Interface Circuits In Exchanges (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE217778C true DE217778C (en:Method) |
Family
ID=479061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT217778D Active DE217778C (en:Method) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE217778C (en:Method) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5322300A (en) * | 1992-12-23 | 1994-06-21 | Xerox Corporation | Self adjusting mandrel with expandable elastomeric disk and process for using mandrel |
| US5324049A (en) * | 1992-12-23 | 1994-06-28 | Xerox Corporation | Mandrel with flared, dish shaped disk and process for using mandrel |
| US6220640B1 (en) * | 1999-09-15 | 2001-04-24 | Rimage Corporation | Device and method of gripping a compact disc |
-
0
- DE DENDAT217778D patent/DE217778C/de active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5322300A (en) * | 1992-12-23 | 1994-06-21 | Xerox Corporation | Self adjusting mandrel with expandable elastomeric disk and process for using mandrel |
| US5324049A (en) * | 1992-12-23 | 1994-06-28 | Xerox Corporation | Mandrel with flared, dish shaped disk and process for using mandrel |
| US6220640B1 (en) * | 1999-09-15 | 2001-04-24 | Rimage Corporation | Device and method of gripping a compact disc |
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