FR2498868B1 - IMPROVEMENTS IN ELECTRONIC SOUND DISTRIBUTION DEVICES - Google Patents

IMPROVEMENTS IN ELECTRONIC SOUND DISTRIBUTION DEVICES

Info

Publication number
FR2498868B1
FR2498868B1 FR8200955A FR8200955A FR2498868B1 FR 2498868 B1 FR2498868 B1 FR 2498868B1 FR 8200955 A FR8200955 A FR 8200955A FR 8200955 A FR8200955 A FR 8200955A FR 2498868 B1 FR2498868 B1 FR 2498868B1
Authority
FR
France
Prior art keywords
distribution devices
electronic sound
sound distribution
electronic
devices
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
FR8200955A
Other languages
French (fr)
Other versions
FR2498868A1 (en
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of FR2498868A1 publication Critical patent/FR2498868A1/en
Application granted granted Critical
Publication of FR2498868B1 publication Critical patent/FR2498868B1/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/12—Circuits for transducers, loudspeakers or microphones for distributing signals to two or more loudspeakers

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
FR8200955A 1981-01-23 1982-01-22 IMPROVEMENTS IN ELECTRONIC SOUND DISTRIBUTION DEVICES Expired FR2498868B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES498770A ES8201758A1 (en) 1981-01-23 1981-01-23 Electronic sound distribution system

Publications (2)

Publication Number Publication Date
FR2498868A1 FR2498868A1 (en) 1982-07-30
FR2498868B1 true FR2498868B1 (en) 1986-02-28

Family

ID=8481742

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8200955A Expired FR2498868B1 (en) 1981-01-23 1982-01-22 IMPROVEMENTS IN ELECTRONIC SOUND DISTRIBUTION DEVICES

Country Status (4)

Country Link
DE (1) DE3200973A1 (en)
ES (1) ES8201758A1 (en)
FR (1) FR2498868B1 (en)
GB (1) GB2093317B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2142509A (en) * 1983-06-28 1985-01-16 Emhart Ind Audio amplifier
FR2624332B1 (en) * 1987-12-07 1990-05-11 Romand Alain ROOM SOUNDPROOFING DEVICE

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB423274A (en) * 1933-12-11 1935-01-29 British Thomson Houston Co Ltd Improvements in and relating to transmission systems for supplying music and other broadcast matter
GB1302534A (en) * 1969-10-24 1973-01-10
FR2081229B1 (en) * 1970-03-20 1973-10-19 Sexta Etudes Rech
FR2215772B1 (en) * 1973-01-25 1980-02-22 Telephone Automatique

Also Published As

Publication number Publication date
ES498770A0 (en) 1982-01-01
ES8201758A1 (en) 1982-01-01
GB2093317B (en) 1985-03-13
DE3200973A1 (en) 1982-08-26
FR2498868A1 (en) 1982-07-30
GB2093317A (en) 1982-08-25

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Legal Events

Date Code Title Description
ST Notification of lapse