NL107582C - - Google Patents
Info
- Publication number
- NL107582C NL107582C NL107582DA NL107582C NL 107582 C NL107582 C NL 107582C NL 107582D A NL107582D A NL 107582DA NL 107582 C NL107582 C NL 107582C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/18—Electrical details
- H04Q1/30—Signalling arrangements; Manipulation of signalling currents
- H04Q1/44—Signalling arrangements; Manipulation of signalling currents using alternate current
- H04Q1/444—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies
- H04Q1/446—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using one signalling frequency
- H04Q1/4465—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using one signalling frequency the same frequency being used for all signalling information, e.g. A.C. nr.9 system
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J1/00—Frequency-division multiplex systems
- H04J1/02—Details
- H04J1/14—Arrangements providing for calling or supervisory signals
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Noise Elimination (AREA)
- Electronic Switches (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL226596 | 1958-04-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL107582C true NL107582C (Direct) |
Family
ID=19751172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL107582D NL107582C (Direct) | 1958-04-03 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3098179A (Direct) |
| CH (1) | CH367857A (Direct) |
| DE (1) | DE1110234B (Direct) |
| FR (1) | FR1219704A (Direct) |
| GB (1) | GB854807A (Direct) |
| NL (1) | NL107582C (Direct) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB946952A (en) * | 1961-06-14 | 1964-01-15 | Ass Elect Ind | Improvements relating to voice-frequency signal receivers as used in telephone systems |
| GB1000793A (en) * | 1961-07-14 | 1965-08-11 | Westinghouse Brake & Signal | Improvements relating to railway track circuits |
| DE1146137B (de) * | 1961-11-16 | 1963-03-28 | Standard Elektrik Lorenz Ag | Tonfrequenzsignalempfaenger mit Sprachsperre |
| US3284673A (en) * | 1962-01-09 | 1966-11-08 | Shimada Masatoshi | Signal selector |
| DE1214744B (de) * | 1963-12-20 | 1966-04-21 | Tekade Fernmeldeapp Ges Mit Be | Schaltungsanordnung zum selektiven Empfang tonfrequenter Signale in Fernmelde-, insbesondere Fernsprechanlagen |
| US3366961A (en) * | 1964-04-22 | 1968-01-30 | Perma Power Company | Selective radio remote control system responsive to the reception of a predetermined carrier frequency, modulating frequency and quench frequency for a predetermined minimum duration |
| DE1255144B (de) * | 1964-04-30 | 1967-11-30 | Siemens Ag | Pilotempfaenger mit selbsttaetiger Eigenfunktionsueberwachung fuer Nachrichtenuebertragungssysteme |
| US3456163A (en) * | 1966-12-16 | 1969-07-15 | Sangamo Electric Corp | Remote control of electric water heaters |
| US3521267A (en) * | 1966-12-27 | 1970-07-21 | Mastercraft Electronics Corp | Dual modulated single carrier frequency remote control |
| CH630771B (fr) * | 1979-07-04 | Boninchi Sa | Organe de commande pour montre etanche. |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE543688C (de) * | 1927-10-22 | 1932-02-08 | Siemens & Halske Akt Ges | Schaltungsanordnung fuer Fernsprechanlagen, bei denen zur Signalgabe Wechselstroeme einer bestimmten Frequenz innerhalb des Sprachbereiches verwendet werden |
| DE603389C (de) * | 1930-04-28 | 1934-09-28 | Siemens Brothers & Co Ltd | Schaltungsanordnung fuer Signalempfaenger in Fernsprechanlagen |
| US2122748A (en) * | 1935-02-27 | 1938-07-05 | Siemens Ag | Four-pole device containing nonlinear resistors |
| US2231174A (en) * | 1939-10-31 | 1941-02-11 | Wired Radio Inc | Control system |
| NL81147C (nl) * | 1951-04-27 | 1956-03-16 | Bell Telephone Manf Co Sa | Ontvangstinrichting voor toonfrequentiesignalen |
| FR1096599A (fr) * | 1953-12-22 | 1955-06-22 | Lignes Telegraph Telephon | Dispositif comportant des éléments non linéaires associés à des circuits sélectifs |
| DE1015487B (de) * | 1955-06-03 | 1957-09-12 | Standard Elektrik Ag | Schaltungsanordnung zum Ausgleich verschiedener Signalpegel in einer Empfangseinrichtung fuer Signale nach dem Frequenzkodesystem |
| DE1007365B (de) * | 1956-02-17 | 1957-05-02 | Philips Nv | Schaltung fuer den Empfang von Rufimpulsen mit im Sprachfrequenzband liegender Frequenz |
| US2883474A (en) * | 1957-12-24 | 1959-04-21 | Bell Telephone Labor Inc | Transistor gating circuit |
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0
- NL NL107582D patent/NL107582C/xx active
-
1959
- 1959-03-12 US US798886A patent/US3098179A/en not_active Expired - Lifetime
- 1959-03-31 GB GB10843/59A patent/GB854807A/en not_active Expired
- 1959-03-31 CH CH7143559A patent/CH367857A/de unknown
- 1959-04-01 DE DEN16491A patent/DE1110234B/de active Pending
- 1959-04-03 FR FR791166A patent/FR1219704A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1219704A (fr) | 1960-05-19 |
| US3098179A (en) | 1963-07-16 |
| CH367857A (de) | 1963-03-15 |
| DE1110234B (de) | 1961-07-06 |
| GB854807A (en) | 1960-11-23 |