DE3323296C2 - - Google Patents
Info
- Publication number
- DE3323296C2 DE3323296C2 DE19833323296 DE3323296A DE3323296C2 DE 3323296 C2 DE3323296 C2 DE 3323296C2 DE 19833323296 DE19833323296 DE 19833323296 DE 3323296 A DE3323296 A DE 3323296A DE 3323296 C2 DE3323296 C2 DE 3323296C2
- Authority
- DE
- Germany
- 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
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
- H04M1/6033—Substation equipment, e.g. for use by subscribers including speech amplifiers for providing handsfree use or a loudspeaker mode in telephone sets
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Amplifiers (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19833323296 DE3323296A1 (de) | 1983-06-28 | 1983-06-28 | Schaltungsanordnung fuer eine ueber die teilnehmerleitung gespeiste fernsprechstation wahlweise fuer schwerhoerige |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19833323296 DE3323296A1 (de) | 1983-06-28 | 1983-06-28 | Schaltungsanordnung fuer eine ueber die teilnehmerleitung gespeiste fernsprechstation wahlweise fuer schwerhoerige |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3323296A1 DE3323296A1 (de) | 1985-01-03 |
DE3323296C2 true DE3323296C2 (el) | 1987-03-19 |
Family
ID=6202612
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19833323296 Granted DE3323296A1 (de) | 1983-06-28 | 1983-06-28 | Schaltungsanordnung fuer eine ueber die teilnehmerleitung gespeiste fernsprechstation wahlweise fuer schwerhoerige |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE3323296A1 (el) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2649272B1 (fr) * | 1989-06-30 | 1991-10-11 | Depaepe Sa Henri | Dispositif d'amplification acoustique pour poste telephonique de malentendant |
DE4239943A1 (de) * | 1992-11-27 | 1994-06-01 | Ludwig Fes | Telephonapparat für schwer gehörgeschädigte Personen |
-
1983
- 1983-06-28 DE DE19833323296 patent/DE3323296A1/de active Granted
Also Published As
Publication number | Publication date |
---|---|
DE3323296A1 (de) | 1985-01-03 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8110 | Request for examination paragraph 44 | ||
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |