NL4051C - - Google Patents
Info
- Publication number
- NL4051C NL4051C NL4051DA NL4051C NL 4051 C NL4051 C NL 4051C NL 4051D A NL4051D A NL 4051DA NL 4051 C NL4051 C NL 4051C
- Authority
- NL
- Netherlands
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
- H04R23/00—Transducers other than those covered by groups H04R9/00 - H04R21/00
- H04R23/002—Transducers other than those covered by groups H04R9/00 - H04R21/00 using electrothermic-effect transducer
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Thermotherapy And Cooling Therapy Devices (AREA)
- Telephone Set Structure (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE297247T | 1915-02-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL4051C true NL4051C (fr) |
Family
ID=32668493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL4051D NL4051C (fr) | 1915-02-10 |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE297247C (fr) |
| FR (1) | FR480857A (fr) |
| GB (1) | GB191505836A (fr) |
| NL (1) | NL4051C (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6602956B2 (ja) | 2015-08-25 | 2019-11-06 | ヘラマンタイトン コーポレイション | 止まり穴マウント |
-
0
- NL NL4051D patent/NL4051C/xx active
-
1915
- 1915-02-10 DE DE1915297247D patent/DE297247C/de not_active Expired - Lifetime
- 1915-04-19 GB GB191505836D patent/GB191505836A/en not_active Expired
-
1916
- 1916-02-04 FR FR480857D patent/FR480857A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR480857A (fr) | 1916-10-04 |
| DE297247C (fr) | |
| GB191505836A (en) | 1916-04-19 |