BE657921A - - Google Patents
Info
- Publication number
- BE657921A BE657921A BE657921A BE657921A BE657921A BE 657921 A BE657921 A BE 657921A BE 657921 A BE657921 A BE 657921A BE 657921 A BE657921 A BE 657921A BE 657921 A BE657921 A BE 657921A
- Authority
- BE
- Belgium
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
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/08—Mouthpieces; Microphones; Attachments therefor
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
- H04R1/04—Structural association of microphone with electric circuitry therefor
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1964N0015790 DE1899598U (en) | 1964-01-07 | 1964-01-07 | MICROPHONE SWITCH COMBINATION FOR A MAGNETIC SOUND DEVICE. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE657921A true BE657921A (en) | 1965-07-05 |
Family
ID=7340092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE657921A BE657921A (en) | 1964-01-07 | 1965-01-05 |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE657921A (en) |
| CH (1) | CH427328A (en) |
| DE (1) | DE1899598U (en) |
| GB (1) | GB1079783A (en) |
| SE (1) | SE308034B (en) |
-
1964
- 1964-01-07 DE DE1964N0015790 patent/DE1899598U/en not_active Expired
-
1965
- 1965-01-04 SE SE5165A patent/SE308034B/xx unknown
- 1965-01-04 GB GB24165A patent/GB1079783A/en not_active Expired
- 1965-01-04 CH CH2765A patent/CH427328A/en unknown
- 1965-01-05 BE BE657921A patent/BE657921A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| SE308034B (en) | 1969-01-27 |
| CH427328A (en) | 1966-12-31 |
| GB1079783A (en) | 1967-08-16 |
| DE1899598U (en) | 1964-08-27 |