DE297907C - - Google Patents
Info
- Publication number
- DE297907C DE297907C DENDAT297907D DE297907DA DE297907C DE 297907 C DE297907 C DE 297907C DE NDAT297907 D DENDAT297907 D DE NDAT297907D DE 297907D A DE297907D A DE 297907DA DE 297907 C DE297907 C DE 297907C
- Authority
- DE
- Germany
- Prior art keywords
- telephone
- detector
- contacts
- antenna
- buzzer
- 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
- 239000003990 capacitor Substances 0.000 claims description 4
- 238000004904 shortening Methods 0.000 claims 2
- 230000000903 blocking effect Effects 0.000 claims 1
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 230000001939 inductive effect Effects 0.000 claims 1
- 238000005259 measurement Methods 0.000 claims 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/16—Circuits
- H04B1/22—Circuits for receivers in which no local oscillation is generated
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Support Of Aerials (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE307012T |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE297907C true DE297907C (enrdf_load_stackoverflow) |
Family
ID=6121299
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT297907D Active DE297907C (enrdf_load_stackoverflow) | |||
| DENDAT307012D Active DE307012C (enrdf_load_stackoverflow) |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT307012D Active DE307012C (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| DE (2) | DE307012C (enrdf_load_stackoverflow) |
-
0
- DE DENDAT297907D patent/DE297907C/de active Active
- DE DENDAT307012D patent/DE307012C/de active Active
Also Published As
| Publication number | Publication date |
|---|---|
| DE307012C (enrdf_load_stackoverflow) |
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