BE887637A - MONITORING DEVICE FOR FIELD COILS USED IN TELECOMMUNICATIONS TECHNICAL APPARATUS - Google Patents
MONITORING DEVICE FOR FIELD COILS USED IN TELECOMMUNICATIONS TECHNICAL APPARATUSInfo
- Publication number
- BE887637A BE887637A BE0/203887A BE203887A BE887637A BE 887637 A BE887637 A BE 887637A BE 0/203887 A BE0/203887 A BE 0/203887A BE 203887 A BE203887 A BE 203887A BE 887637 A BE887637 A BE 887637A
- Authority
- BE
- Belgium
- Prior art keywords
- monitoring device
- field coils
- coils used
- technical apparatus
- telecommunications technical
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/24—Arrangements for testing
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Telephone Set Structure (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19803012393 DE3012393C2 (en) | 1980-03-29 | 1980-03-29 | Test device for the transmitter coil additionally provided in a telephone set for the inductive coupling of hearing aids equipped with additional receiver coils |
Publications (1)
Publication Number | Publication Date |
---|---|
BE887637A true BE887637A (en) | 1981-06-15 |
Family
ID=6098832
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE0/203887A BE887637A (en) | 1980-03-29 | 1981-02-23 | MONITORING DEVICE FOR FIELD COILS USED IN TELECOMMUNICATIONS TECHNICAL APPARATUS |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE887637A (en) |
DE (1) | DE3012393C2 (en) |
NL (1) | NL8100909A (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1983002660A1 (en) * | 1982-01-25 | 1983-08-04 | Bror Andersson | A heating device for buildings and of the kind comprising a heat pump |
AT378653B (en) * | 1983-12-07 | 1985-09-10 | Akg Akustische Kino Geraete | DYNAMIC HEAD CAPSULE FOR THE DISABLED |
CA1213349A (en) * | 1984-08-02 | 1986-10-28 | Jacek J. Wojcik | Telephone hearing aid |
DE3734946A1 (en) * | 1987-10-15 | 1989-05-03 | Siemens Ag | HEARING DEVICE WITH POSSIBILITY TO TELEPHONE |
DE4211147C1 (en) * | 1992-04-03 | 1993-04-08 | Fernsprech- Und Signalbau Gmbh & Co Kg Schueler & Vershoven, 4300 Essen, De | Telephone equipment for the hard of hearing - has inductive coupling coil in second ear piece to transmit signals to electrodynamic hearing aid in ear |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2510731A1 (en) * | 1975-03-12 | 1976-09-30 | Egon Fred Warnke | Hearing aid with at least two microphones - has amplifier and reproduction transducers connected to microphones and has gate controlling signals |
-
1980
- 1980-03-29 DE DE19803012393 patent/DE3012393C2/en not_active Expired
-
1981
- 1981-02-23 BE BE0/203887A patent/BE887637A/en not_active IP Right Cessation
- 1981-02-25 NL NL8100909A patent/NL8100909A/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
DE3012393C2 (en) | 1983-09-01 |
NL8100909A (en) | 1981-11-02 |
DE3012393A1 (en) | 1981-10-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: KRONE G.M.B.H. Effective date: 19850223 |