FR2451690B1 - - Google Patents
Info
- Publication number
- FR2451690B1 FR2451690B1 FR7907701A FR7907701A FR2451690B1 FR 2451690 B1 FR2451690 B1 FR 2451690B1 FR 7907701 A FR7907701 A FR 7907701A FR 7907701 A FR7907701 A FR 7907701A FR 2451690 B1 FR2451690 B1 FR 2451690B1
- Authority
- FR
- France
- 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)
- Devices For Supply Of Signal Current (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7907701A FR2451690A1 (fr) | 1979-03-16 | 1979-03-16 | Perfectionnements aux circuits de postes telephoniques a clavier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7907701A FR2451690A1 (fr) | 1979-03-16 | 1979-03-16 | Perfectionnements aux circuits de postes telephoniques a clavier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2451690A1 FR2451690A1 (fr) | 1980-10-10 |
| FR2451690B1 true FR2451690B1 (online.php) | 1984-01-27 |
Family
ID=9223617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7907701A Granted FR2451690A1 (fr) | 1979-03-16 | 1979-03-16 | Perfectionnements aux circuits de postes telephoniques a clavier |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2451690A1 (online.php) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE758187A (fr) * | 1969-11-13 | 1971-04-29 | Cit Alcatel | Dispositif emetteur de signaux en particulier pour clavier de numerotation |
| FR2114075A5 (online.php) * | 1970-11-16 | 1972-06-30 | Cit Alcatel | |
| DE2216099A1 (de) * | 1972-04-01 | 1973-10-04 | Telefonbau & Normalzeit Gmbh | Schaltungsanordnung zur elektronischen waehlzeichenstromstossgabe in fernmeldeanlagen |
| GB1521468A (en) * | 1974-10-11 | 1978-08-16 | Standard Telephones Cables Ltd | Circuit arrangement for telephone subset |
-
1979
- 1979-03-16 FR FR7907701A patent/FR2451690A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2451690A1 (fr) | 1980-10-10 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse | ||
| AR | Application made for restoration | ||
| BR | Restoration of rights | ||
| ST | Notification of lapse |