BE351476A - - Google Patents
Info
- Publication number
- BE351476A BE351476A BE351476DA BE351476A BE 351476 A BE351476 A BE 351476A BE 351476D A BE351476D A BE 351476DA BE 351476 A BE351476 A BE 351476A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/04—Supports for telephone transmitters or receivers
- H04M1/05—Supports for telephone transmitters or receivers specially adapted for use on head, throat or breast
Landscapes
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Headphones And Earphones (AREA)
- Helmets And Other Head Coverings (AREA)
- Telephone Set Structure (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB26586/26A GB289339A (en) | 1926-10-25 | 1926-10-25 | Improvements relating to mountings for receivers and transmitting devices for use with telephones and the like |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE351476A true BE351476A (en:Method) |
Family
ID=10245946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE351476D BE351476A (en:Method) | 1926-10-25 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US1698774A (en:Method) |
| BE (1) | BE351476A (en:Method) |
| DE (1) | DE486183C (en:Method) |
| FR (1) | FR651604A (en:Method) |
| GB (1) | GB289339A (en:Method) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4310307A (en) * | 1980-09-02 | 1982-01-12 | Nolan Bellisario | Dental audio and gaseous analgesia applicator |
| GB2225509A (en) * | 1988-08-22 | 1990-05-30 | Arkon Ind Limited | Adjustable headphones |
| DE102015203542A1 (de) | 2015-02-27 | 2016-09-01 | Sennheiser Electronic Gmbh & Co. Kg | Mikrofoneinheit |
-
0
- BE BE351476D patent/BE351476A/xx unknown
-
1926
- 1926-10-25 GB GB26586/26A patent/GB289339A/en not_active Expired
-
1927
- 1927-10-24 US US228363A patent/US1698774A/en not_active Expired - Lifetime
- 1927-10-24 FR FR651604D patent/FR651604A/fr not_active Expired
- 1927-10-26 DE DEST43373D patent/DE486183C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US1698774A (en) | 1929-01-15 |
| DE486183C (de) | 1929-11-14 |
| FR651604A (fr) | 1929-02-21 |
| GB289339A (en) | 1928-04-25 |