CA1106949A - Electronic telephone switching system comprising a speech-path switching matrix and tone-connecting matrix and employing electronic crosspoint switching devices - Google Patents
Electronic telephone switching system comprising a speech-path switching matrix and tone-connecting matrix and employing electronic crosspoint switching devicesInfo
- Publication number
- CA1106949A CA1106949A CA297,899A CA297899A CA1106949A CA 1106949 A CA1106949 A CA 1106949A CA 297899 A CA297899 A CA 297899A CA 1106949 A CA1106949 A CA 1106949A
- Authority
- CA
- Canada
- Prior art keywords
- tone
- processing unit
- peripheral units
- matrix
- switching
- 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
- 239000011159 matrix material Substances 0.000 title claims abstract description 60
- 230000002093 peripheral effect Effects 0.000 claims abstract description 75
- 230000015654 memory Effects 0.000 claims abstract description 72
- 238000012545 processing Methods 0.000 claims abstract description 65
- 230000011664 signaling Effects 0.000 claims abstract description 16
- 230000006872 improvement Effects 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 238000003860 storage Methods 0.000 description 26
- 230000005540 biological transmission Effects 0.000 description 21
- 238000000034 method Methods 0.000 description 18
- 206010010904 Convulsion Diseases 0.000 description 14
- 230000006870 function Effects 0.000 description 14
- 230000004913 activation Effects 0.000 description 12
- 239000003990 capacitor Substances 0.000 description 12
- 238000012423 maintenance Methods 0.000 description 12
- 230000008569 process Effects 0.000 description 12
- 239000000306 component Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 7
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- 238000010276 construction Methods 0.000 description 5
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- 230000003213 activating effect Effects 0.000 description 4
- 238000013500 data storage Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 230000000737 periodic effect Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 3
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- 230000014759 maintenance of location Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- 230000000630 rising effect Effects 0.000 description 2
- 238000009666 routine test Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 102000004726 Connectin Human genes 0.000 description 1
- 108010002947 Connectin Proteins 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- NQLVQOSNDJXLKG-UHFFFAOYSA-N prosulfocarb Chemical compound CCCN(CCC)C(=O)SCC1=CC=CC=C1 NQLVQOSNDJXLKG-UHFFFAOYSA-N 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
- H04Q3/54—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised
- H04Q3/545—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised using a stored programme
- H04Q3/54541—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised using a stored programme using multi-processor systems
- H04Q3/5455—Multi-processor, parallelism, distributed systems
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
- Exchange Systems With Centralized Control (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/773,311 US4105873A (en) | 1977-03-01 | 1977-03-01 | Electronic telephone switching system comprising a speech path switching matrix and tone-connecting switching matrix and employing electronic crosspoint switches |
| US773,311 | 1977-03-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1106949A true CA1106949A (en) | 1981-08-11 |
Family
ID=25097838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA297,899A Expired CA1106949A (en) | 1977-03-01 | 1978-02-28 | Electronic telephone switching system comprising a speech-path switching matrix and tone-connecting matrix and employing electronic crosspoint switching devices |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US4105873A (enExample) |
| JP (1) | JPS53117917A (enExample) |
| CA (1) | CA1106949A (enExample) |
| CH (1) | CH626212A5 (enExample) |
| DE (1) | DE2743623C3 (enExample) |
| FR (1) | FR2382816B1 (enExample) |
| GB (1) | GB1594391A (enExample) |
| IT (1) | IT1092822B (enExample) |
| NL (1) | NL7802198A (enExample) |
| SE (1) | SE7802275L (enExample) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1244541A (en) * | 1985-11-07 | 1988-11-08 | Gerald Molnar | Communication system having separate unidirectional information signalling |
| US4719413A (en) * | 1986-10-30 | 1988-01-12 | Rca Corporation | RF crosspoint tester |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3806658A (en) * | 1972-10-30 | 1974-04-23 | Bell Telephone Labor Inc | Common controlled equalization system |
-
1977
- 1977-03-01 US US05/773,311 patent/US4105873A/en not_active Expired - Lifetime
- 1977-09-28 DE DE2743623A patent/DE2743623C3/de not_active Expired
-
1978
- 1978-02-16 CH CH169278A patent/CH626212A5/de not_active IP Right Cessation
- 1978-02-24 IT IT20570/78A patent/IT1092822B/it active
- 1978-02-28 CA CA297,899A patent/CA1106949A/en not_active Expired
- 1978-02-28 JP JP2274478A patent/JPS53117917A/ja active Pending
- 1978-02-28 NL NL7802198A patent/NL7802198A/xx not_active Application Discontinuation
- 1978-02-28 SE SE7802275A patent/SE7802275L/xx unknown
- 1978-02-28 FR FR7805698A patent/FR2382816B1/fr not_active Expired
- 1978-03-01 GB GB8074/78A patent/GB1594391A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2743623C3 (de) | 1980-08-14 |
| CH626212A5 (enExample) | 1981-10-30 |
| FR2382816A1 (fr) | 1978-09-29 |
| GB1594391A (en) | 1981-07-30 |
| US4105873A (en) | 1978-08-08 |
| IT1092822B (it) | 1985-07-12 |
| FR2382816B1 (fr) | 1986-11-07 |
| DE2743623B2 (de) | 1979-12-06 |
| JPS53117917A (en) | 1978-10-14 |
| SE7802275L (sv) | 1978-09-02 |
| DE2743623A1 (de) | 1978-09-07 |
| IT7820570A0 (it) | 1978-02-24 |
| NL7802198A (nl) | 1978-09-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |