IL37915A - Echo trap arrangement for telecommunication exchange systems - Google Patents
Echo trap arrangement for telecommunication exchange systemsInfo
- Publication number
- IL37915A IL37915A IL37915A IL3791571A IL37915A IL 37915 A IL37915 A IL 37915A IL 37915 A IL37915 A IL 37915A IL 3791571 A IL3791571 A IL 3791571A IL 37915 A IL37915 A IL 37915A
- Authority
- IL
- Israel
- Prior art keywords
- echo
- trap
- exchange
- assigned
- speech
- Prior art date
Links
- 230000035945 sensitivity Effects 0.000 claims description 2
- 230000001419 dependent effect Effects 0.000 claims 1
- 229920000136 polysorbate Polymers 0.000 claims 1
- 238000009877 rendering Methods 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 description 17
- 101100204059 Caenorhabditis elegans trap-2 gene Proteins 0.000 description 15
- 230000001934 delay Effects 0.000 description 4
- 230000004913 activation Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- WYFYSTBFFDOVJW-UHFFFAOYSA-L 2-[4-[4-(3,5-diphenyltetrazol-2-ium-2-yl)phenyl]phenyl]-3,5-diphenyltetrazol-2-ium;dichloride Chemical compound [Cl-].[Cl-].C1=CC=CC=C1C(N=[N+]1C=2C=CC(=CC=2)C=2C=CC(=CC=2)[N+]=2N(N=C(N=2)C=2C=CC=CC=2)C=2C=CC=CC=2)=NN1C1=CC=CC=C1 WYFYSTBFFDOVJW-UHFFFAOYSA-L 0.000 description 1
- 101100520151 Mus musculus Pirt gene Proteins 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000002592 echocardiography Methods 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/20—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Interface Circuits In Exchanges (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19702050462 DE2050462C (de) | 1970-10-14 | Fernsprechubertragungssystem mit Echosperren | |
| DE19702050480 DE2050480B2 (de) | 1970-10-14 | 1970-10-14 | Fernsprechuebertragungssystem mit echosperren |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IL37915A0 IL37915A0 (en) | 1971-12-29 |
| IL37915A true IL37915A (en) | 1974-11-29 |
Family
ID=25759898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL37915A IL37915A (en) | 1970-10-14 | 1971-10-13 | Echo trap arrangement for telecommunication exchange systems |
Country Status (6)
| Country | Link |
|---|---|
| AU (1) | AU467665B2 (OSRAM) |
| ES (1) | ES395767A1 (OSRAM) |
| FR (1) | FR2110414B1 (OSRAM) |
| GB (1) | GB1329958A (OSRAM) |
| IL (1) | IL37915A (OSRAM) |
| NL (1) | NL7114156A (OSRAM) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI89658C (fi) * | 1991-11-04 | 1993-10-25 | Nokia Telecommunications Oy | Arrangemang foer styrning av en ekoslaeckare |
-
1971
- 1971-10-04 GB GB4602871A patent/GB1329958A/en not_active Expired
- 1971-10-06 ES ES395767A patent/ES395767A1/es not_active Expired
- 1971-10-12 AU AU34489/71A patent/AU467665B2/en not_active Expired
- 1971-10-13 FR FR7136726A patent/FR2110414B1/fr not_active Expired
- 1971-10-13 IL IL37915A patent/IL37915A/en unknown
- 1971-10-14 NL NL7114156A patent/NL7114156A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR2110414B1 (OSRAM) | 1976-12-03 |
| IL37915A0 (en) | 1971-12-29 |
| AU467665B2 (en) | 1975-12-11 |
| GB1329958A (en) | 1973-09-12 |
| NL7114156A (OSRAM) | 1972-04-18 |
| AU3448971A (en) | 1973-04-19 |
| ES395767A1 (es) | 1974-08-16 |
| FR2110414A1 (OSRAM) | 1972-06-02 |
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