FI64730C - Foerfarande vid en talstyrd hoegtalartelefonapparat - Google Patents
Foerfarande vid en talstyrd hoegtalartelefonapparat Download PDFInfo
- Publication number
- FI64730C FI64730C FI780951A FI780951A FI64730C FI 64730 C FI64730 C FI 64730C FI 780951 A FI780951 A FI 780951A FI 780951 A FI780951 A FI 780951A FI 64730 C FI64730 C FI 64730C
- Authority
- FI
- Finland
- Prior art keywords
- speech
- sleep mode
- sre
- loudspeaker
- level
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 16
- 230000035945 sensitivity Effects 0.000 claims description 9
- 239000008186 active pharmaceutical agent Substances 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 3
- 238000013016 damping Methods 0.000 claims description 2
- 238000010521 absorption reaction Methods 0.000 claims 1
- 230000002238 attenuated effect Effects 0.000 description 11
- 230000003321 amplification Effects 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- JTPVHPYPNZIZKG-OWOJBTEDSA-N 5-[[4-[bis(2-hydroxyethyl)amino]-6-(4-sulfoanilino)-1,3,5-triazin-2-yl]amino]-2-[(e)-2-[4-[[4-[bis(2-hydroxyethyl)amino]-6-(4-sulfoanilino)-1,3,5-triazin-2-yl]amino]-2-sulfophenyl]ethenyl]benzenesulfonic acid Chemical compound N=1C(NC=2C=C(C(\C=C\C=3C(=CC(NC=4N=C(N=C(NC=5C=CC(=CC=5)S(O)(=O)=O)N=4)N(CCO)CCO)=CC=3)S(O)(=O)=O)=CC=2)S(O)(=O)=O)=NC(N(CCO)CCO)=NC=1NC1=CC=C(S(O)(=O)=O)C=C1 JTPVHPYPNZIZKG-OWOJBTEDSA-N 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/08—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic
- H04M9/10—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic with switching of direction of transmission by voice frequency
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
- Circuit For Audible Band Transducer (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2714132A DE2714132C3 (de) | 1977-03-30 | 1977-03-30 | Schaltungsanordnung für ein sprachgesteuertes Lautfernsprechgerät |
| DE2714132 | 1977-03-30 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI780951A FI780951A (fi) | 1978-10-01 |
| FI64730B FI64730B (fi) | 1983-08-31 |
| FI64730C true FI64730C (fi) | 1983-12-12 |
Family
ID=6005133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI780951A FI64730C (fi) | 1977-03-30 | 1978-03-29 | Foerfarande vid en talstyrd hoegtalartelefonapparat |
Country Status (6)
| Country | Link |
|---|---|
| AU (1) | AU501638B1 (it) |
| BE (1) | BE865523A (it) |
| BR (1) | BR7801935A (it) |
| DE (1) | DE2714132C3 (it) |
| FI (1) | FI64730C (it) |
| IT (1) | IT1093691B (it) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0027343B1 (en) * | 1979-10-11 | 1983-05-11 | The Marconi Company Limited | A voice detector |
| DE3148305A1 (de) * | 1981-12-03 | 1983-06-09 | Deutsche Telephonwerke Und Kabelindustrie Ag, 1000 Berlin | Schaltungsanordnung fuer eine freisprecheinrichtung |
| DE3332305C2 (de) * | 1983-09-07 | 1987-03-05 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zur steuerbaren Dämpfung von digitalen Signalen |
| US4715062A (en) * | 1985-03-22 | 1987-12-22 | Tie/Communications, Inc. | Speakerphone control circuit having low gain states and method for controlling gain of speakerphone |
| DE3541794A1 (de) * | 1985-11-26 | 1987-05-27 | Siemens Ag | Sprachsteuerung in einer fernsprechstation |
| DE3728109C1 (de) * | 1987-08-22 | 1989-03-16 | Telefonbau & Normalzeit Gmbh | Verfahren fuer die sprachgesteuerte Daempfungsregelung in Fernsprechuebertragungskreisen |
| DE3908282A1 (de) * | 1989-03-14 | 1990-09-20 | Siemens Ag | Sprechrichtungserkennung in einer digitalen fernsprechstation |
| DE3908283C2 (de) * | 1989-03-14 | 1996-04-25 | Siemens Ag | Steuerung einer sprachgesteuerten Sprechrichtungserkennung |
| DE3919345A1 (de) * | 1989-06-13 | 1990-12-20 | Siemens Ag | Schaltungsanordnung fuer eine optimale daempfungshubregelung bei fernsprechstationen mit freisprechen |
| DE4012354C2 (de) * | 1990-04-18 | 1995-06-22 | Siemens Ag | Fernsprechstation mit Freisprechen |
| DE19525705A1 (de) * | 1995-07-14 | 1997-01-16 | Bahram Adniazar | Lichtwellenleiter-Telefon-Satz |
-
1977
- 1977-03-30 DE DE2714132A patent/DE2714132C3/de not_active Expired
-
1978
- 1978-03-22 IT IT21471/78A patent/IT1093691B/it active
- 1978-03-29 BR BR7801935A patent/BR7801935A/pt unknown
- 1978-03-29 FI FI780951A patent/FI64730C/fi not_active IP Right Cessation
- 1978-03-30 AU AU34606/78A patent/AU501638B1/en not_active Expired
- 1978-03-30 BE BE186434A patent/BE865523A/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| FI780951A (fi) | 1978-10-01 |
| AU501638B1 (en) | 1979-06-28 |
| IT1093691B (it) | 1985-07-26 |
| DE2714132B2 (de) | 1979-06-13 |
| BE865523A (fr) | 1978-10-02 |
| IT7821471A0 (it) | 1978-03-22 |
| BR7801935A (pt) | 1979-05-22 |
| DE2714132A1 (de) | 1978-10-05 |
| DE2714132C3 (de) | 1980-02-07 |
| FI64730B (fi) | 1983-08-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM | Patent lapsed |
Owner name: SIEMENS AKTIENGESELLSCHAFT |