SE355278B - - Google Patents
Info
- Publication number
- SE355278B SE355278B SE11960/68A SE1196068A SE355278B SE 355278 B SE355278 B SE 355278B SE 11960/68 A SE11960/68 A SE 11960/68A SE 1196068 A SE1196068 A SE 1196068A SE 355278 B SE355278 B SE 355278B
- Authority
- SE
- Sweden
Links
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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/0004—Selecting arrangements using crossbar selectors in the switching stages
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US66853067A | 1967-09-18 | 1967-09-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE355278B true SE355278B (xx) | 1973-04-09 |
Family
ID=24682681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE11960/68A SE355278B (xx) | 1967-09-18 | 1968-09-05 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3546393A (xx) |
| JP (1) | JPS4421444B1 (xx) |
| BE (1) | BE720904A (xx) |
| DE (1) | DE1762884C3 (xx) |
| ES (1) | ES358566A1 (xx) |
| FR (1) | FR1583133A (xx) |
| GB (1) | GB1239591A (xx) |
| NL (1) | NL149052B (xx) |
| SE (1) | SE355278B (xx) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3700823A (en) * | 1971-09-02 | 1972-10-24 | Northern Electric Co | Combined alarm transmission and service call system |
| US3736383A (en) * | 1971-10-28 | 1973-05-29 | American Telephone & Telegraph | Multicustomer centralized call diverter |
| US3859474A (en) * | 1972-09-29 | 1975-01-07 | Stromberg Carlson Corp | Private automatic branch exchange with central office features |
| US4232199A (en) * | 1978-10-18 | 1980-11-04 | Summa Four, Inc. | Special services add-on for dial pulse activated telephone switching office |
| US4317007A (en) * | 1979-03-23 | 1982-02-23 | Small World Exchange, Inc. | Telephone-conferencing method and apparatus with monitor-only access |
| WO1980002095A1 (en) * | 1979-03-23 | 1980-10-02 | Small World Exchange Inc | Telephone-conferencing apparatus and method |
| US4633042A (en) * | 1984-07-26 | 1986-12-30 | Electrotel, Inc. | Electronic micro-controller conversion module for step by step switching apparatus |
| US4706280A (en) * | 1985-10-31 | 1987-11-10 | Electrotel, Inc. | Electronic step-by-step telephone switching system |
| US4755985A (en) * | 1986-12-09 | 1988-07-05 | Racal Data Communications Inc. | Method and apparatus for facilitating moves and changes in a communication system |
-
1967
- 1967-09-18 US US668530A patent/US3546393A/en not_active Expired - Lifetime
-
1968
- 1968-09-05 SE SE11960/68A patent/SE355278B/xx unknown
- 1968-09-16 ES ES358566A patent/ES358566A1/es not_active Expired
- 1968-09-16 BE BE720904D patent/BE720904A/xx unknown
- 1968-09-17 DE DE1762884A patent/DE1762884C3/de not_active Expired
- 1968-09-17 GB GB1239591D patent/GB1239591A/en not_active Expired
- 1968-09-18 NL NL686813330A patent/NL149052B/xx not_active IP Right Cessation
- 1968-09-18 JP JP6700968A patent/JPS4421444B1/ja active Pending
- 1968-09-18 FR FR1583133D patent/FR1583133A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL6813330A (xx) | 1969-03-20 |
| GB1239591A (xx) | 1971-07-21 |
| FR1583133A (xx) | 1969-10-17 |
| DE1762884A1 (de) | 1970-11-12 |
| ES358566A1 (es) | 1970-04-16 |
| JPS4421444B1 (xx) | 1969-09-12 |
| US3546393A (en) | 1970-12-08 |
| NL149052B (nl) | 1976-03-15 |
| BE720904A (xx) | 1969-03-03 |
| DE1762884B2 (de) | 1971-12-02 |
| DE1762884C3 (de) | 1975-10-09 |