BE676326A - - Google Patents
Info
- Publication number
- BE676326A BE676326A BE676326DA BE676326A BE 676326 A BE676326 A BE 676326A BE 676326D A BE676326D A BE 676326DA BE 676326 A BE676326 A BE 676326A
- Authority
- BE
- Belgium
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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H36/00—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding
-
- 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
- H04M1/30—Devices which can set up and transmit only one digit at a time
- H04M1/50—Devices which can set up and transmit only one digit at a time by generating or selecting currents of predetermined frequencies or combinations of frequencies
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Telephone Function (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1965ST023205 DE1233026B (de) | 1965-01-14 | 1965-01-14 | Tonfrequentes Tastwahiverfahren ohne Gleichstromschluesselzeichen mit Registerwiederherbeiruf |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE676326A true BE676326A (OSRAM) | 1966-08-11 |
Family
ID=7459663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE676326D BE676326A (OSRAM) | 1965-01-14 | 1966-02-11 |
Country Status (3)
| Country | Link |
|---|---|
| AT (1) | AT270758B (OSRAM) |
| BE (1) | BE676326A (OSRAM) |
| DE (1) | DE1233026B (OSRAM) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT379478B (de) * | 1978-04-15 | 1986-01-10 | Telefonbau & Normalzeit Gmbh | Schaltungsanordnung fuer teilnehmerapparate in fernsprechnebenstellenanlagen mit tonfrequenter tastwahl |
-
1965
- 1965-01-14 DE DE1965ST023205 patent/DE1233026B/de active Pending
- 1965-09-30 AT AT886265A patent/AT270758B/de active
-
1966
- 1966-02-11 BE BE676326D patent/BE676326A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AT270758B (de) | 1969-05-12 |
| DE1233026B (de) | 1967-01-26 |