FR2142880B3 - - Google Patents

Info

Publication number
FR2142880B3
FR2142880B3 FR7125367A FR7125367A FR2142880B3 FR 2142880 B3 FR2142880 B3 FR 2142880B3 FR 7125367 A FR7125367 A FR 7125367A FR 7125367 A FR7125367 A FR 7125367A FR 2142880 B3 FR2142880 B3 FR 2142880B3
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.)
Expired
Application number
FR7125367A
Other languages
French (fr)
Other versions
FR2142880A1 (ref
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.)
PENNA MARIUS FR
Original Assignee
PENNA MARIUS FR
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 PENNA MARIUS FR filed Critical PENNA MARIUS FR
Priority to FR7125367A priority Critical patent/FR2142880B3/fr
Publication of FR2142880A1 publication Critical patent/FR2142880A1/fr
Application granted granted Critical
Publication of FR2142880B3 publication Critical patent/FR2142880B3/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation 
    • H04S5/02—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation  of the pseudo four-channel type, e.g. in which rear channel signals are derived from two-channel stereo signals

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR7125367A 1971-06-25 1971-06-25 Expired FR2142880B3 (ref)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7125367A FR2142880B3 (ref) 1971-06-25 1971-06-25

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7125367A FR2142880B3 (ref) 1971-06-25 1971-06-25

Publications (2)

Publication Number Publication Date
FR2142880A1 FR2142880A1 (ref) 1973-02-02
FR2142880B3 true FR2142880B3 (ref) 1974-04-05

Family

ID=9080174

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7125367A Expired FR2142880B3 (ref) 1971-06-25 1971-06-25

Country Status (1)

Country Link
FR (1) FR2142880B3 (ref)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5571400A (en) * 1978-11-24 1980-05-29 Hitachi Ltd Monolithic power ic and acoustic unit

Also Published As

Publication number Publication date
FR2142880A1 (ref) 1973-02-02

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Legal Events

Date Code Title Description
ST Notification of lapse