NL183C - Telefoonoverdrager - Google Patents
TelefoonoverdragerInfo
- Publication number
- NL183C NL183C NL431A NL431A NL183C NL 183 C NL183 C NL 183C NL 431 A NL431 A NL 431A NL 431 A NL431 A NL 431A NL 183 C NL183 C NL 183C
- Authority
- NL
- Netherlands
- Prior art keywords
- porter
- telephone
- telephone porter
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL431A NL183C (nl) | 1912-06-14 | 1912-06-14 | Telefoonoverdrager |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL431A NL183C (nl) | 1912-06-14 | 1912-06-14 | Telefoonoverdrager |
Publications (1)
Publication Number | Publication Date |
---|---|
NL183C true NL183C (nl) | 1914-04-15 |
Family
ID=1771552
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL431A NL183C (nl) | 1912-06-14 | 1912-06-14 | Telefoonoverdrager |
Country Status (1)
Country | Link |
---|---|
NL (1) | NL183C (nl) |
-
1912
- 1912-06-14 NL NL431A patent/NL183C/nl active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
NL183C (nl) | Telefoonoverdrager | |
FR438953A (fr) | Bicyclette | |
FR448085A (fr) | Téléphone | |
CH62469A (de) | Telephonanlage | |
FR450301A (fr) | Jarretelles | |
CH57090A (fr) | Chronograph-compteur | |
FI5002A (fi) | Bränsleinmatningsapparat | |
CH63991A (fr) | Echelle-double | |
CH60402A (de) | Mikrophon | |
CH60214A (it) | Microfono | |
CH58947A (fr) | Marchine parlante | |
CH59023A (de) | Fernsprechschlüssel | |
FR439561A (fr) | Alliage | |
FR444993A (fr) | Récepteur téléphonique | |
CH63446A (fr) | Récepteur télephonique | |
FR462474A (fr) | Ceinture fixe-guimpes | |
FI4932A (fi) | Rökförbrännade magasinseldstad | |
FI4741A (fi) | Sömlös hästsko | |
FI5017A (fi) | Smörkärna | |
FI4998A (fi) | Imiterad överfångs-glasbokstav | |
FI5041A (fi) | Luftgasapparat | |
FI4975A (fi) | Rull- eller glidkropp | |
FI4968A (fi) | Säkerhetslager | |
FI4941A (fi) | Additionsmaskin | |
FI4863A (fi) | Glasmästardiamant |