DE190461C - - Google Patents
Info
- Publication number
- DE190461C DE190461C DENDAT190461D DE190461DA DE190461C DE 190461 C DE190461 C DE 190461C DE NDAT190461 D DENDAT190461 D DE NDAT190461D DE 190461D A DE190461D A DE 190461DA DE 190461 C DE190461 C DE 190461C
- Authority
- DE
- Germany
- Prior art keywords
- answer
- microphone circuit
- microphone
- phonograph
- sound box
- 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
- 230000000694 effects Effects 0.000 claims description 2
- 230000001960 triggered effect Effects 0.000 claims 1
- 239000011324 bead Substances 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 241000947840 Alteromonadales Species 0.000 description 1
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/64—Automatic arrangements for answering calls; Automatic arrangements for recording messages for absent subscribers; Arrangements for recording conversations
- H04M1/65—Recording arrangements for recording a message from the calling party
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Telephone Set Structure (AREA)
- Toys (AREA)
- Auxiliary Devices For Music (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE190463T |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE190461C true DE190461C (en(2012)) |
Family
ID=5723827
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT190463D Active DE190463C (en(2012)) | |||
| DENDAT190461D Active DE190461C (en(2012)) | |||
| DENDAT190465D Active DE190465C (en(2012)) |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT190463D Active DE190463C (en(2012)) |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT190465D Active DE190465C (en(2012)) |
Country Status (1)
| Country | Link |
|---|---|
| DE (3) | DE190465C (en(2012)) |
-
0
- DE DENDAT190463D patent/DE190463C/de active Active
- DE DENDAT190461D patent/DE190461C/de active Active
- DE DENDAT190465D patent/DE190465C/de active Active
Also Published As
| Publication number | Publication date |
|---|---|
| DE190463C (en(2012)) | |
| DE190465C (en(2012)) |
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