FR880655A - Installation de hauts parleurs pour conférences contradictoires - Google Patents

Installation de hauts parleurs pour conférences contradictoires

Info

Publication number
FR880655A
FR880655A FR880655DA FR880655A FR 880655 A FR880655 A FR 880655A FR 880655D A FR880655D A FR 880655DA FR 880655 A FR880655 A FR 880655A
Authority
FR
France
Prior art keywords
conferences
loudspeakers
contradictory
installation
contradictory conferences
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
English (en)
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 FR880655A publication Critical patent/FR880655A/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
    • H04M9/001—Two-way communication systems between a limited number of parties
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01C—PLANTING; SOWING; FERTILISING
    • A01C9/00—Potato planters
    • A01C9/08—Potato planters with other distributing devices, e.g. flaps, screws, horizontal turning plates
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/58—Electric connections to or between contacts; Terminals

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
FR880655D 1941-04-25 1942-03-31 Installation de hauts parleurs pour conférences contradictoires Expired FR880655A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE250441X 1941-04-25

Publications (1)

Publication Number Publication Date
FR880655A true FR880655A (fr) 1943-04-01

Family

ID=5937966

Family Applications (2)

Application Number Title Priority Date Filing Date
FR880655D Expired FR880655A (fr) 1941-04-25 1942-03-31 Installation de hauts parleurs pour conférences contradictoires
FR880668D Expired FR880668A (fr) 1941-04-25 1942-04-01 Appareil d'installation électrique blindé

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR880668D Expired FR880668A (fr) 1941-04-25 1942-04-01 Appareil d'installation électrique blindé

Country Status (4)

Country Link
BE (1) BE444965A (enrdf_load_stackoverflow)
CH (2) CH225895A (enrdf_load_stackoverflow)
FR (2) FR880655A (enrdf_load_stackoverflow)
NL (1) NL30826C (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE918759C (de) * 1949-10-16 1954-10-04 Standard Elek Zitaets Ges A G Schaltungsanordnung fuer Wechselsprech-Lautsprech-Anlagen mit Konferenzbetrieb

Also Published As

Publication number Publication date
FR880668A (fr) 1943-04-01
BE444965A (enrdf_load_stackoverflow)
NL30826C (enrdf_load_stackoverflow)
CH225895A (de) 1943-02-28
CH227248A (de) 1943-05-31

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