GB1349585A - Subscriber unit for a telecommunications system - Google Patents
Subscriber unit for a telecommunications systemInfo
- Publication number
- GB1349585A GB1349585A GB5318271A GB5318271A GB1349585A GB 1349585 A GB1349585 A GB 1349585A GB 5318271 A GB5318271 A GB 5318271A GB 5318271 A GB5318271 A GB 5318271A GB 1349585 A GB1349585 A GB 1349585A
- Authority
- GB
- United Kingdom
- Prior art keywords
- line
- detector
- handset
- tone
- store
- 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
Classifications
-
- 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
- H04M1/2725—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 using electronic memories
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7040920A FR2114075A5 (enrdf_load_stackoverflow) | 1970-11-16 | 1970-11-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1349585A true GB1349585A (en) | 1974-04-03 |
Family
ID=9064167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB5318271A Expired GB1349585A (en) | 1970-11-16 | 1971-11-16 | Subscriber unit for a telecommunications system |
Country Status (7)
| Country | Link |
|---|---|
| BE (1) | BE774535A (enrdf_load_stackoverflow) |
| CH (1) | CH549913A (enrdf_load_stackoverflow) |
| FR (1) | FR2114075A5 (enrdf_load_stackoverflow) |
| GB (1) | GB1349585A (enrdf_load_stackoverflow) |
| IT (1) | IT940610B (enrdf_load_stackoverflow) |
| LU (1) | LU64235A1 (enrdf_load_stackoverflow) |
| NL (1) | NL7102024A (enrdf_load_stackoverflow) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2425759A1 (de) * | 1973-05-29 | 1975-01-09 | Thomson Csf | Fernsprechstelle fuer eine automatische funkfernsprechverbindung |
| DE3242380A1 (de) * | 1981-11-25 | 1983-06-01 | Aisin Seiki K.K., Kariya, Aichi | Fernsprechuebertragungssystem an einem strassenfahrzeug |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE794179A (nl) * | 1972-01-21 | 1973-07-18 | Itt | Geintegreerde schakeling voor het kiezen van abonneenummers met druktoetsen |
| GB1395577A (en) * | 1972-05-11 | 1975-05-29 | Standard Telephones Cables Ltd | Telephones |
| FR2451690A1 (fr) * | 1979-03-16 | 1980-10-10 | Horlogerie Photograph Fse | Perfectionnements aux circuits de postes telephoniques a clavier |
-
1970
- 1970-11-16 FR FR7040920A patent/FR2114075A5/fr not_active Expired
-
1971
- 1971-02-16 NL NL7102024A patent/NL7102024A/xx unknown
- 1971-10-27 BE BE774535A patent/BE774535A/xx not_active IP Right Cessation
- 1971-11-04 CH CH1608271A patent/CH549913A/fr not_active IP Right Cessation
- 1971-11-10 LU LU64235D patent/LU64235A1/xx unknown
- 1971-11-16 IT IT3112971A patent/IT940610B/it active
- 1971-11-16 GB GB5318271A patent/GB1349585A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2425759A1 (de) * | 1973-05-29 | 1975-01-09 | Thomson Csf | Fernsprechstelle fuer eine automatische funkfernsprechverbindung |
| DE3242380A1 (de) * | 1981-11-25 | 1983-06-01 | Aisin Seiki K.K., Kariya, Aichi | Fernsprechuebertragungssystem an einem strassenfahrzeug |
Also Published As
| Publication number | Publication date |
|---|---|
| LU64235A1 (enrdf_load_stackoverflow) | 1972-08-03 |
| FR2114075A5 (enrdf_load_stackoverflow) | 1972-06-30 |
| CH549913A (fr) | 1974-05-31 |
| IT940610B (it) | 1973-02-20 |
| NL7102024A (enrdf_load_stackoverflow) | 1972-05-18 |
| BE774535A (fr) | 1972-04-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |