BE598853A - Systèmes téléphoniques - Google Patents
Systèmes téléphoniquesInfo
- Publication number
- BE598853A BE598853A BE598853A BE598853A BE598853A BE 598853 A BE598853 A BE 598853A BE 598853 A BE598853 A BE 598853A BE 598853 A BE598853 A BE 598853A BE 598853 A BE598853 A BE 598853A
- Authority
- BE
- Belgium
- Prior art keywords
- telephone systems
- telephone
- systems
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/0004—Selecting arrangements using crossbar selectors in the switching stages
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/26—Devices for calling a subscriber
- H04M1/27—Devices whereby a plurality of signals may be stored simultaneously
- H04M1/272—Devices whereby a plurality of signals may be stored simultaneously with provision for storing only one subscriber number at a time, e.g. by keyboard or dial
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/26—Devices for calling a subscriber
- H04M1/27—Devices whereby a plurality of signals may be stored simultaneously
- H04M1/274—Devices whereby a plurality of signals may be stored simultaneously with provision for storing more than one subscriber number at a time, e.g. using toothed disc
- H04M1/2745—Devices whereby a plurality of signals may be stored simultaneously with provision for storing more than one subscriber number at a time, e.g. using toothed disc using static electronic memories, e.g. chips
- H04M1/27495—Devices whereby a plurality of signals may be stored simultaneously with provision for storing more than one subscriber number at a time, e.g. using toothed disc using static electronic memories, e.g. chips implemented by means of discrete electronic components, i.e. neither programmable nor microprocessor-controlled
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Discrete Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US645A US3050588A (en) | 1960-01-05 | 1960-01-05 | Registration control circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
BE598853A true BE598853A (fr) | 1961-05-02 |
Family
ID=21692412
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE598853A BE598853A (fr) | 1960-01-05 | 1961-01-05 | Systèmes téléphoniques |
Country Status (6)
Country | Link |
---|---|
US (1) | US3050588A (fr) |
BE (1) | BE598853A (fr) |
DE (1) | DE1134115B (fr) |
GB (1) | GB940221A (fr) |
NL (2) | NL259744A (fr) |
SE (1) | SE325059B (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3271524A (en) * | 1961-09-27 | 1966-09-06 | Bell Telephone Labor Inc | Key type common control telephone switching system |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR961975A (fr) * | 1940-10-31 | 1950-05-26 | ||
US2697749A (en) * | 1951-06-20 | 1954-12-21 | Bell Telephone Labor Inc | Multifrequency telephone switching system |
-
0
- NL NL134083D patent/NL134083C/xx active
- NL NL259744D patent/NL259744A/xx unknown
-
1960
- 1960-01-05 US US645A patent/US3050588A/en not_active Expired - Lifetime
- 1960-12-21 DE DEW29134A patent/DE1134115B/de active Pending
- 1960-12-22 GB GB44067/60A patent/GB940221A/en not_active Expired
-
1961
- 1961-01-05 BE BE598853A patent/BE598853A/fr unknown
- 1961-01-05 SE SE124/61A patent/SE325059B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
SE325059B (fr) | 1970-06-22 |
GB940221A (en) | 1963-10-30 |
DE1134115B (de) | 1962-08-02 |
NL259744A (fr) | |
NL134083C (fr) | |
US3050588A (en) | 1962-08-21 |
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