CA432887A - Instrument telephonique - Google Patents
Instrument telephoniqueInfo
- Publication number
- CA432887A CA432887A CA432887A CA432887DA CA432887A CA 432887 A CA432887 A CA 432887A CA 432887 A CA432887 A CA 432887A CA 432887D A CA432887D A CA 432887DA CA 432887 A CA432887 A CA 432887A
- Authority
- CA
- Canada
- Prior art keywords
- telephone instrument
- telephone
- instrument
- 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.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R11/00—Transducers of moving-armature or moving-core type
- H04R11/06—Telephone receivers
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA432887T |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA432887A true CA432887A (fr) | 1946-01-29 |
Family
ID=210279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA432887A Expired CA432887A (fr) | Instrument telephonique |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA432887A (fr) |
-
0
- CA CA432887A patent/CA432887A/fr not_active Expired
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA432887A (fr) | Instrument telephonique | |
| CA434036A (fr) | Etui d'instrument | |
| CA434895A (fr) | Instrument electrique | |
| CA434994A (fr) | Harmonica | |
| CA444009A (fr) | Instrument a dessin | |
| CA432444A (fr) | Haut-parleur | |
| CA433071A (fr) | Haut-parleur | |
| CA433343A (fr) | Pointe de puits | |
| AU138572B2 (en) | An improved chaff-cutter | |
| CA433989A (fr) | Instrument topographique | |
| CA435033A (fr) | Systeme telephonique | |
| CA437690A (fr) | Systeme telephonique | |
| CA438444A (fr) | Systeme telephonique | |
| CA432386A (fr) | Systeme telephonique | |
| CA432388A (fr) | Systeme telephonique | |
| CA433060A (fr) | Systeme telephonique | |
| CA433242A (fr) | Systeme telephonique | |
| CA433243A (fr) | Systeme telephonique | |
| CA433244A (fr) | Systeme telephonique | |
| CA433368A (fr) | Systeme telephonique | |
| CA434101A (fr) | Systeme telephonique | |
| CA434573A (fr) | Systeme telephonique | |
| CA434574A (fr) | Systeme telephonique | |
| CA435007A (fr) | Systeme telephonique | |
| CA438003A (fr) | Systeme telephonique |