AT377886B - Netzunabhaengige lautsprechereinheit - Google Patents

Netzunabhaengige lautsprechereinheit

Info

Publication number
AT377886B
AT377886B AT0772078A AT772078A AT377886B AT 377886 B AT377886 B AT 377886B AT 0772078 A AT0772078 A AT 0772078A AT 772078 A AT772078 A AT 772078A AT 377886 B AT377886 B AT 377886B
Authority
AT
Austria
Prior art keywords
network
speaker unit
free speaker
free
unit
Prior art date
Application number
AT0772078A
Other languages
English (en)
Other versions
ATA772078A (de
Original Assignee
Weiland Bruno
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 Weiland Bruno filed Critical Weiland Bruno
Publication of ATA772078A publication Critical patent/ATA772078A/de
Application granted granted Critical
Publication of AT377886B publication Critical patent/AT377886B/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/08—Constructional details, e.g. cabinet
    • H04B1/086—Portable receivers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
    • H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
    • H01M50/213—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for cells having curved cross-section, e.g. round or elliptic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R27/00—Public address systems
    • H04R27/04—Electric megaphones
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • General Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Electrochemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Toys (AREA)
  • Telephone Set Structure (AREA)
  • Battery Mounting, Suspending (AREA)
AT0772078A 1977-10-29 1978-10-27 Netzunabhaengige lautsprechereinheit AT377886B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2748693A DE2748693C2 (de) 1977-10-29 1977-10-29 Tragbare netzunabhängige Lautsprechereinheit

Publications (2)

Publication Number Publication Date
ATA772078A ATA772078A (de) 1984-09-15
AT377886B true AT377886B (de) 1985-05-10

Family

ID=6022653

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0772078A AT377886B (de) 1977-10-29 1978-10-27 Netzunabhaengige lautsprechereinheit

Country Status (4)

Country Link
AT (1) AT377886B (de)
DE (1) DE2748693C2 (de)
ES (1) ES474867A1 (de)
IT (1) IT1099880B (de)

Also Published As

Publication number Publication date
IT7829216A0 (it) 1978-10-30
DE2748693C2 (de) 1979-12-13
DE2748693B1 (de) 1979-04-19
ATA772078A (de) 1984-09-15
IT1099880B (it) 1985-09-28
ES474867A1 (es) 1979-10-16

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee