FR2202401A1 - - Google Patents

Info

Publication number
FR2202401A1
FR2202401A1 FR7335126A FR7335126A FR2202401A1 FR 2202401 A1 FR2202401 A1 FR 2202401A1 FR 7335126 A FR7335126 A FR 7335126A FR 7335126 A FR7335126 A FR 7335126A FR 2202401 A1 FR2202401 A1 FR 2202401A1
Authority
FR
France
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.)
Granted
Application number
FR7335126A
Other languages
French (fr)
Other versions
FR2202401B1 (de
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.)
TDK Micronas GmbH
ITT Inc
Original Assignee
Deutsche ITT Industries GmbH
ITT Industries Inc
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 Deutsche ITT Industries GmbH, ITT Industries Inc filed Critical Deutsche ITT Industries GmbH
Publication of FR2202401A1 publication Critical patent/FR2202401A1/fr
Application granted granted Critical
Publication of FR2202401B1 publication Critical patent/FR2202401B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/08—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic
    • H04M9/087—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic using different frequency bands for transmitting and receiving paths ; using phase shifting arrangements
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Transceivers (AREA)
  • Electromechanical Clocks (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
FR7335126A 1972-10-07 1973-10-02 Expired FR2202401B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2249257A DE2249257A1 (de) 1972-10-07 1972-10-07 Verfahren zum aendern der frequenzen eines nachrichtensignals

Publications (2)

Publication Number Publication Date
FR2202401A1 true FR2202401A1 (de) 1974-05-03
FR2202401B1 FR2202401B1 (de) 1977-03-11

Family

ID=5858443

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7335126A Expired FR2202401B1 (de) 1972-10-07 1973-10-02

Country Status (6)

Country Link
JP (1) JPS4974407A (de)
DE (1) DE2249257A1 (de)
FR (1) FR2202401B1 (de)
GB (1) GB1444810A (de)
IT (1) IT1003145B (de)
ZA (1) ZA737683B (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
HU169185B (de) * 1974-06-05 1976-10-28
GB2151886A (en) * 1983-12-21 1985-07-24 British Broadcasting Corp Conditional-access broadcast transmission
WO2007049200A1 (en) 2005-10-24 2007-05-03 Koninklijke Philips Electronics N.V. A device for and a method of audio data processing

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3444396A (en) * 1965-03-24 1969-05-13 Rca Corp Signal translating circuit providing signal-controlled time delay
US3559103A (en) * 1965-10-05 1971-01-26 Duane H Cooper Method of delay modulation
US3749837A (en) * 1972-05-02 1973-07-31 J Doughty Electronic musical tone modifier for musical instruments
FR2171393A1 (de) * 1972-02-10 1973-09-21 Matsushita Electric Ind Co Ltd

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3444396A (en) * 1965-03-24 1969-05-13 Rca Corp Signal translating circuit providing signal-controlled time delay
US3559103A (en) * 1965-10-05 1971-01-26 Duane H Cooper Method of delay modulation
FR2171393A1 (de) * 1972-02-10 1973-09-21 Matsushita Electric Ind Co Ltd
US3749837A (en) * 1972-05-02 1973-07-31 J Doughty Electronic musical tone modifier for musical instruments

Also Published As

Publication number Publication date
GB1444810A (en) 1976-08-04
ZA737683B (en) 1974-08-28
IT1003145B (it) 1976-06-10
JPS4974407A (de) 1974-07-18
FR2202401B1 (de) 1977-03-11
DE2249257A1 (de) 1974-04-11

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Legal Events

Date Code Title Description
ST Notification of lapse