CH274626A - Wechselstromimpulssignalempfänger. - Google Patents

Wechselstromimpulssignalempfänger.

Info

Publication number
CH274626A
CH274626A CH274626DA CH274626A CH 274626 A CH274626 A CH 274626A CH 274626D A CH274626D A CH 274626DA CH 274626 A CH274626 A CH 274626A
Authority
CH
Switzerland
Prior art keywords
pulse signal
signal receiver
receiver
pulse
signal
Prior art date
Application number
Other languages
English (en)
Inventor
Ag Standard Telephon Und Radio
Original Assignee
Standard Telephon & Radio Ag
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from GB371247A external-priority patent/GB651457A/en
Application filed by Standard Telephon & Radio Ag filed Critical Standard Telephon & Radio Ag
Publication of CH274626A publication Critical patent/CH274626A/de

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Noise Elimination (AREA)
CH274626D 1947-02-07 1948-04-27 Wechselstromimpulssignalempfänger. CH274626A (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB371247A GB651457A (en) 1947-02-07 1947-02-07 Improvements in or relating to electric signalling systems
GB1160547A GB651461A (en) 1947-02-07 1947-04-30 Improvements in or relating to alternating current signalling systems

Publications (1)

Publication Number Publication Date
CH274626A true CH274626A (de) 1951-04-15

Family

ID=32232341

Family Applications (2)

Application Number Title Priority Date Filing Date
CH272712D CH272712A (de) 1947-02-07 1948-02-07 Anordnung zur tonfrequenten Signalisierung in Vierdrahtanlagen.
CH274626D CH274626A (de) 1947-02-07 1948-04-27 Wechselstromimpulssignalempfänger.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CH272712D CH272712A (de) 1947-02-07 1948-02-07 Anordnung zur tonfrequenten Signalisierung in Vierdrahtanlagen.

Country Status (4)

Country Link
US (1) US2577755A (de)
BE (1) BE481448A (de)
CH (2) CH272712A (de)
FR (2) FR65204E (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2712232A (en) * 1951-05-10 1955-07-05 Stewart Warner Corp Balancing apparatus
US2728852A (en) * 1951-07-26 1955-12-27 Moran Instr Corp Echo ranging apparatus
BE514053A (de) * 1951-09-10
US2985717A (en) * 1952-05-09 1961-05-23 Bell Telephone Labor Inc Carrier telegraph switchboard supervisory systems
US2901541A (en) * 1956-05-25 1959-08-25 Automatic Telephone & Elect Telegraph receivers
US3124658A (en) * 1958-02-28 1964-03-10 Input
US3133992A (en) * 1958-10-13 1964-05-19 Matthew C Dickman Automatic answering, recording and reproducing machine

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE698170C (de) * 1938-03-29 1940-11-04 Siemens & Halske Akt Ges Tasteinrichtung fuer Wechselstromtelegrafie
CH214050A (de) * 1938-10-21 1941-03-31 Fides Gmbh Tasteinrichtung in einer Wechselstromtelegraphieanlage.
US2402058A (en) * 1941-06-25 1946-06-11 Hazeltine Research Inc Secrecy communication system
BE479786A (de) * 1941-09-15
US2310749A (en) * 1942-03-31 1943-02-09 Bell Telephone Labor Inc Singaling system
US2401404A (en) * 1942-08-29 1946-06-04 Rca Corp Electrical multiplying circuit
US2403540A (en) * 1943-04-23 1946-07-09 Rca Corp Reciprocal circuit
BE462165A (de) * 1944-12-04

Also Published As

Publication number Publication date
CH272712A (de) 1950-12-31
FR65204E (fr) 1956-02-07
FR960660A (de) 1950-04-22
US2577755A (en) 1951-12-11
BE481448A (de)

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