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FR53610E - Call transmission device in carrier frequency installations - Google Patents

Call transmission device in carrier frequency installations

Info

Publication number
FR53610E
FR53610E FR53610DA FR53610E FR 53610 E FR53610 E FR 53610E FR 53610D A FR53610D A FR 53610DA FR 53610 E FR53610 E FR 53610E
Authority
FR
France
Prior art keywords
transmission device
carrier frequency
call transmission
frequency installations
installations
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
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Alcatel Lucent Deutschland AG
C Lorenz AG
Original Assignee
Standard Elektrik Lorenz AG
C Lorenz 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
Application filed by Standard Elektrik Lorenz AG, C Lorenz AG filed Critical Standard Elektrik Lorenz AG
Application granted granted Critical
Publication of FR53610E publication Critical patent/FR53610E/en
Expired legal-status Critical Current

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
    • H04Q1/442—Signalling arrangements; Manipulation of signalling currents using alternate current with out-of-voice band signalling frequencies
    • H04Q1/4423—Signalling arrangements; Manipulation of signalling currents using alternate current with out-of-voice band signalling frequencies using one signalling frequency
    • 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)
  • Devices For Supply Of Signal Current (AREA)
FR53610D 1938-08-05 1944-05-08 Call transmission device in carrier frequency installations Expired FR53610E (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEL95350D DE744288C (en) 1938-08-05 1938-08-05 Procedure for transferring calls in carrier frequency systems
DEL5395D DE865327C (en) 1938-08-05 1938-08-05 Arrangement for call transmission in carrier frequency systems

Publications (1)

Publication Number Publication Date
FR53610E true FR53610E (en) 1946-06-21

Family

ID=5966306

Family Applications (3)

Application Number Title Priority Date Filing Date
FR858561D Expired FR858561A (en) 1938-08-05 1939-08-01 Call transmission device in carrier frequency installations
FR858562D Expired FR858562A (en) 1938-08-05 1939-08-01 Advanced call transmission device in carrier frequency installations
FR53610D Expired FR53610E (en) 1938-08-05 1944-05-08 Call transmission device in carrier frequency installations

Family Applications Before (2)

Application Number Title Priority Date Filing Date
FR858561D Expired FR858561A (en) 1938-08-05 1939-08-01 Call transmission device in carrier frequency installations
FR858562D Expired FR858562A (en) 1938-08-05 1939-08-01 Advanced call transmission device in carrier frequency installations

Country Status (5)

Country Link
BE (3) BE435783A (en)
CH (1) CH256353A (en)
DE (2) DE865327C (en)
FR (3) FR858561A (en)
NL (1) NL56365C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR965370A (en) * 1947-04-29 1950-09-11

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB253697A (en) * 1925-05-20 1926-06-24 Western Electric Co Improvements in signalling (ringing) arrangements for carrier wave systems

Also Published As

Publication number Publication date
NL56365C (en) 1944-06-15
FR858561A (en) 1940-11-30
DE865327C (en) 1953-02-02
BE456171A (en) 1944-07-31
DE744288C (en) 1944-01-13
CH256353A (en) 1948-08-15
BE435783A (en) 1939-09-30
BE435782A (en) 1939-09-30
FR858562A (en) 1940-11-28

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