IT1099880B - Unita' ad altoparlante portate indipendente dalla rete - Google Patents

Unita' ad altoparlante portate indipendente dalla rete

Info

Publication number
IT1099880B
IT1099880B IT29216/78A IT2921678A IT1099880B IT 1099880 B IT1099880 B IT 1099880B IT 29216/78 A IT29216/78 A IT 29216/78A IT 2921678 A IT2921678 A IT 2921678A IT 1099880 B IT1099880 B IT 1099880B
Authority
IT
Italy
Prior art keywords
network
loudspeaker unit
unit carried
carried independent
independent
Prior art date
Application number
IT29216/78A
Other languages
English (en)
Italian (it)
Other versions
IT7829216A0 (it
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 IT7829216A0 publication Critical patent/IT7829216A0/it
Application granted granted Critical
Publication of IT1099880B publication Critical patent/IT1099880B/it

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)
  • General Chemical & Material Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Electrochemistry (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Battery Mounting, Suspending (AREA)
  • Telephone Set Structure (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Toys (AREA)
IT29216/78A 1977-10-29 1978-10-30 Unita' ad altoparlante portate indipendente dalla rete IT1099880B (it)

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
IT7829216A0 IT7829216A0 (it) 1978-10-30
IT1099880B true IT1099880B (it) 1985-09-28

Family

ID=6022653

Family Applications (1)

Application Number Title Priority Date Filing Date
IT29216/78A IT1099880B (it) 1977-10-29 1978-10-30 Unita' ad altoparlante portate indipendente dalla rete

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
DE2748693C2 (de) 1979-12-13
DE2748693B1 (de) 1979-04-19
IT7829216A0 (it) 1978-10-30
ATA772078A (de) 1984-09-15
AT377886B (de) 1985-05-10
ES474867A1 (es) 1979-10-16

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19941228