DE2413075C3 - Konferenzbrückenschaltung - Google Patents
KonferenzbrückenschaltungInfo
- Publication number
- DE2413075C3 DE2413075C3 DE2413075A DE2413075A DE2413075C3 DE 2413075 C3 DE2413075 C3 DE 2413075C3 DE 2413075 A DE2413075 A DE 2413075A DE 2413075 A DE2413075 A DE 2413075A DE 2413075 C3 DE2413075 C3 DE 2413075C3
- Authority
- DE
- Germany
- Prior art keywords
- switching means
- output
- circuit
- input
- connections
- Prior art date
- 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
- 238000004891 communication Methods 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 240000004808 Saccharomyces cerevisiae Species 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 description 8
- 238000004804 winding Methods 0.000 description 5
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 230000007704 transition Effects 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000009365 direct transmission Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
- H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
- H04M3/561—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities by multiplexing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
- H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Interface Circuits In Exchanges (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US00343826A US3824344A (en) | 1973-03-22 | 1973-03-22 | Conference bridge circuit |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2413075A1 DE2413075A1 (de) | 1974-10-03 |
| DE2413075B2 DE2413075B2 (de) | 1976-12-23 |
| DE2413075C3 true DE2413075C3 (de) | 1980-09-11 |
Family
ID=23347840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2413075A Expired DE2413075C3 (de) | 1973-03-22 | 1974-03-19 | Konferenzbrückenschaltung |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US3824344A (enExample) |
| JP (1) | JPS557986B2 (enExample) |
| BE (1) | BE812636A (enExample) |
| CA (1) | CA992229A (enExample) |
| CH (1) | CH589986A5 (enExample) |
| DE (1) | DE2413075C3 (enExample) |
| FR (1) | FR2222811B1 (enExample) |
| GB (1) | GB1447694A (enExample) |
| IT (1) | IT1009344B (enExample) |
| NL (1) | NL165016C (enExample) |
| SE (1) | SE397162B (enExample) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3882276A (en) * | 1974-03-22 | 1975-05-06 | Bell Telephone Labor Inc | Conferencing system utilizing oppositely phased hybrids |
| US3885100A (en) * | 1974-05-31 | 1975-05-20 | Bell Telephone Labor Inc | Six-port conference amplifier circuit |
| US3993867A (en) * | 1974-10-15 | 1976-11-23 | Motorola, Inc. | Digital single signal line full duplex method and apparatus |
| USRE30111E (en) * | 1974-10-15 | 1979-10-09 | Motorola, Inc. | Digital single signal line full duplex method and apparatus |
| US3970797A (en) * | 1975-01-13 | 1976-07-20 | Gte Sylvania Incorporated | Digital conference bridge |
| US3991280A (en) * | 1975-05-23 | 1976-11-09 | Bell Telephone Laboratories, Incorporated | Monobus variable resistance transmission circuit |
| US3991279A (en) * | 1975-05-23 | 1976-11-09 | Bell Telephone Laboratories, Incorporated | Monobus interface circuit |
| US4045615A (en) * | 1976-05-21 | 1977-08-30 | Bell Telephone Laboratories, Incorporated | Monobus interface circuit using opto-coupled hybrids |
| US4139731A (en) * | 1977-09-12 | 1979-02-13 | Wescom, Inc. | Telephone conference system with active analog conference |
| JPS5921237B2 (ja) * | 1978-02-01 | 1984-05-18 | ミテル・コ−ポレ−シヨン | 電話ライン回路 |
| DE2833712C3 (de) * | 1978-07-28 | 1982-04-08 | Siemens AG, 1000 Berlin und 8000 München | Nachrichtenübertragungseinrichtung mit mehreren aus separaten Sende- und Empfangsleitungen gebildeten Übertragungswegen |
| CA1154185A (en) * | 1981-01-23 | 1983-09-20 | Patrick R. Beirne | Subscriber line interface circuit |
| JPS5976160U (ja) * | 1982-11-12 | 1984-05-23 | 富士通株式会社 | 拡声会議電話装置 |
| FI79769C (fi) * | 1988-06-10 | 1991-01-14 | Heikki Malkki | Snabbtelefonsystem samt foerfarande foer uppkoppling i ett snabbtelefonsystem. |
| US4982426A (en) * | 1989-01-19 | 1991-01-01 | Northern Telecom Limited | Telecommunications line interface circuits |
| US5579530A (en) * | 1992-06-11 | 1996-11-26 | Intel Corporation | Method and apparatus for dynamically allocating access time to a resource shared between a peripheral bus and a host bus by dynamically controlling the size of burst data transfers on the peripheral bus |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3108157A (en) * | 1959-06-15 | 1963-10-22 | Bell Telephone Labor Inc | Multiple station communication circuit |
| US3060265A (en) * | 1960-01-26 | 1962-10-23 | Itt | Conference call circuit |
| US3511931A (en) * | 1966-02-02 | 1970-05-12 | Sylvania Electric Prod | Conferencing networks employing virtual ground summation to obtain isolation |
| US3524929A (en) * | 1967-06-29 | 1970-08-18 | Automatic Elect Lab | Telephone conference circuit |
| US3502823A (en) * | 1967-10-26 | 1970-03-24 | Bell Telephone Labor Inc | Hybridless bilateral transmission circuit |
| FR2120248A5 (enExample) * | 1970-12-04 | 1972-08-18 | Int Standard Electric Corp | |
| US3761624A (en) * | 1972-07-31 | 1973-09-25 | Bell Telephone Labor Inc | Time division signal transfer network |
| US3787631A (en) * | 1972-12-11 | 1974-01-22 | Bell Telephone Labor Inc | Time slot number compensating arrangement |
| US3789152A (en) * | 1972-12-11 | 1974-01-29 | Bell Telephone Labor Inc | Data format converter |
| US3789154A (en) * | 1972-12-11 | 1974-01-29 | Bell Telephone Labor Inc | Switchhook status signaling arrangement |
-
1973
- 1973-03-22 US US00343826A patent/US3824344A/en not_active Expired - Lifetime
- 1973-11-14 CA CA185,758A patent/CA992229A/en not_active Expired
-
1974
- 1974-02-25 SE SE7402474A patent/SE397162B/xx not_active IP Right Cessation
- 1974-03-12 GB GB1091874A patent/GB1447694A/en not_active Expired
- 1974-03-18 NL NL7403597.A patent/NL165016C/xx not_active IP Right Cessation
- 1974-03-19 DE DE2413075A patent/DE2413075C3/de not_active Expired
- 1974-03-19 CH CH376774A patent/CH589986A5/xx not_active IP Right Cessation
- 1974-03-20 IT IT67864/74A patent/IT1009344B/it active
- 1974-03-21 BE BE142280A patent/BE812636A/xx not_active IP Right Cessation
- 1974-03-21 FR FR7409757A patent/FR2222811B1/fr not_active Expired
- 1974-03-22 JP JP3164774A patent/JPS557986B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| IT1009344B (it) | 1976-12-10 |
| CA992229A (en) | 1976-06-29 |
| NL7403597A (enExample) | 1974-09-24 |
| NL165016B (nl) | 1980-09-15 |
| DE2413075B2 (de) | 1976-12-23 |
| CH589986A5 (enExample) | 1977-07-29 |
| FR2222811A1 (enExample) | 1974-10-18 |
| JPS557986B2 (enExample) | 1980-02-29 |
| GB1447694A (en) | 1976-08-25 |
| NL165016C (nl) | 1981-02-16 |
| DE2413075A1 (de) | 1974-10-03 |
| SE397162B (sv) | 1977-10-17 |
| AU6676474A (en) | 1975-09-18 |
| JPS49129408A (enExample) | 1974-12-11 |
| BE812636A (fr) | 1974-07-15 |
| US3824344A (en) | 1974-07-16 |
| FR2222811B1 (enExample) | 1979-01-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| 8339 | Ceased/non-payment of the annual fee |