DE283888C - - Google Patents
Info
- Publication number
- DE283888C DE283888C DENDAT283888D DE283888DA DE283888C DE 283888 C DE283888 C DE 283888C DE NDAT283888 D DENDAT283888 D DE NDAT283888D DE 283888D A DE283888D A DE 283888DA DE 283888 C DE283888 C DE 283888C
- Authority
- DE
- Germany
- Prior art keywords
- transmitter
- receiver
- attached
- housing
- amplifier
- 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
- 239000012528 membrane Substances 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000004804 winding Methods 0.000 description 14
- 239000000696 magnetic material Substances 0.000 description 6
- 230000005284 excitation Effects 0.000 description 3
- 230000006698 induction Effects 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F13/00—Amplifiers using amplifying element consisting of two mechanically- or acoustically-coupled transducers, e.g. telephone-microphone amplifier
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Near-Field Transmission Systems (AREA)
Publications (1)
Publication Number | Publication Date |
---|---|
DE283888C true DE283888C (enrdf_load_stackoverflow) |
Family
ID=539424
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DENDAT283888D Active DE283888C (enrdf_load_stackoverflow) |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE283888C (enrdf_load_stackoverflow) |
-
0
- DE DENDAT283888D patent/DE283888C/de active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE1574573B2 (de) | Muenzpruefer | |
DE283888C (enrdf_load_stackoverflow) | ||
DE457282C (de) | Telephonograph | |
DE1105480B (de) | Verstaerkereinrichtung fuer Telephon-gebuehrenzaehler beliebiger Frequenz | |
DE1186116B (de) | Parametrischer Verstaerker | |
DE265532C (enrdf_load_stackoverflow) | ||
DE300784C (enrdf_load_stackoverflow) | ||
AT92608B (de) | Telephon. | |
DE406681C (de) | Anordnung zur Bestimmung des Ortes eines Fahrzeuges | |
AT102484B (de) | Einrichtung zur Umwandlung von elektrischen Schallschwingungen. | |
DE906819C (de) | Einrichtung zur Abstimmung des Oszillatorkreises eines UEberlagerungsempfaengers fuer hochfrequente Signale | |
DE2139347A1 (de) | Vorrichtung zur verstaerkung von telefonsignalen | |
DE156113C (enrdf_load_stackoverflow) | ||
DE423875C (de) | In den Gehoergang einfuehrbares Telephon | |
DE738204C (de) | Pruefeinrichtung fuer nach dem Flimmerprinzip arbeitende Zielsteuergeraete | |
DE31298C (de) | Verfahren, um die Verwendung der elektrischen Ströme für telegraphische Zwecke zu erleichtern, nebst dazu benutztem Apparat | |
DE369712C (de) | Umschaltsystem fuer drahtlose Telephonie | |
DE235013C (enrdf_load_stackoverflow) | ||
DE659647C (de) | Anordnung zur Lieferung von intermittierendem Strom | |
AT88838B (de) | Einrichtung zur Fernübertragung von Schrift- und anderen Zeichen. | |
DE192011C (enrdf_load_stackoverflow) | ||
DE230176C (enrdf_load_stackoverflow) | ||
DE391229C (de) | Differenzkreisschaltung | |
DE458258C (de) | Magnetmikrophonisches Relais | |
DE152519C (enrdf_load_stackoverflow) |