FR1224897A - Récepteur d'appels sélectif - Google Patents
Récepteur d'appels sélectifInfo
- Publication number
- FR1224897A FR1224897A FR785651A FR785651A FR1224897A FR 1224897 A FR1224897 A FR 1224897A FR 785651 A FR785651 A FR 785651A FR 785651 A FR785651 A FR 785651A FR 1224897 A FR1224897 A FR 1224897A
- Authority
- FR
- France
- Prior art keywords
- selective call
- call receiver
- receiver
- selective
- call
- 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
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C19/00—Electric signal transmission systems
- G08C19/16—Electric signal transmission systems in which transmission is by pulses
- G08C19/18—Electric signal transmission systems in which transmission is by pulses using a variable number of pulses in a train
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L7/00—Remote control of local operating means for points, signals, or track-mounted scotch-blocks
- B61L7/06—Remote control of local operating means for points, signals, or track-mounted scotch-blocks using electrical transmission
- B61L7/08—Circuitry
- B61L7/088—Common line wire control using series of coded pulses
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mechanical Engineering (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR785651A FR1224897A (fr) | 1959-02-03 | 1959-02-03 | Récepteur d'appels sélectif |
| OA50570A OA00490A (fr) | 1959-02-03 | 1964-11-11 | Récepteur d'appels sélectif. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR785651A FR1224897A (fr) | 1959-02-03 | 1959-02-03 | Récepteur d'appels sélectif |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1224897A true FR1224897A (fr) | 1960-06-28 |
Family
ID=8710786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR785651A Expired FR1224897A (fr) | 1959-02-03 | 1959-02-03 | Récepteur d'appels sélectif |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR1224897A (fr) |
| OA (1) | OA00490A (fr) |
-
1959
- 1959-02-03 FR FR785651A patent/FR1224897A/fr not_active Expired
-
1964
- 1964-11-11 OA OA50570A patent/OA00490A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| OA00490A (fr) | 1966-07-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CH400255A (de) | Telephonanlage | |
| FR1249949A (fr) | Installation de téléphérage | |
| AT252337B (de) | Fernsehempfänger | |
| CH382235A (de) | Signalempfänger | |
| CH381280A (de) | Telephonapparat | |
| FR1247880A (fr) | Récepteur de télévision | |
| CH354736A (fr) | Jarretelle | |
| FR1275738A (fr) | émetteur d'appels téléphoniques | |
| CH393435A (de) | Fernsprechstation | |
| BE596278A (nl) | Telefoonstelsel | |
| FR1224897A (fr) | Récepteur d'appels sélectif | |
| FR1214481A (fr) | Porte-appeau | |
| AT218770B (de) | Klemmschnalle | |
| CH382805A (de) | Telephonapparat | |
| CH405432A (de) | Fernsprechstation | |
| FR1171687A (fr) | Récepteur d'appels portatif | |
| CH399543A (de) | Fernsprechstation | |
| AT216596B (de) | Fernsehempfänger | |
| AT216597B (de) | Schallempfänger | |
| FI33564A (fi) | Puhelinjärjestelmä | |
| FR1243787A (fr) | Récepteur de télévision portatif | |
| AT218089B (de) | Elektroakustischer Wandler | |
| FI33653A (fi) | Puhelinkone | |
| CH377414A (de) | Selektivrufanlage | |
| CA22417S (en) | Telephone set |