EP 0627716 B1 20000301 - Apparatus for central acquisition of energy consumption costs
Title (en)
Apparatus for central acquisition of energy consumption costs
Title (de)
Anlage zur zentralen Erfassung von Energieverbrauchskosten
Title (fr)
Installation pour l'acquisition centrale des frais de consommation d'energie
Publication
Application
Priority
DE 4312596 A 19930417
Abstract (en)
[origin: EP0627716A1] The invention relates to UHF radio transmission of measured values between consumption distributor devices (10) and a receiver circuit (1 - 6), assigned thereto, of a control centre (1 - 3, 5 - 9). So-called SAW components, that is to say surface acoustic wave resonators, are preferred as frequency-determining elements for the UHF transmitter circuits. With a view to possible, in particular temperature-induced frequency deviations of the UHF transmitters (10), the input of the receiver circuit (6) is maintained with a correspondingly broad bandwidth (Df). For interference suppression of external frequencies in this range (Df), there is now assigned to the receiver circuit (6) a scanner (3) which continuously scans the input band in a narrow-band (df) fashion in order to acquire signals which arrive from the consumption distributor devices (10) and which are as free as possible from external and interference signals. <IMAGE>
IPC 1-7
IPC 8 full level
G08C 15/00 (2006.01)
CPC (source: EP)
G08C 15/00 (2013.01)
Designated contracting state (EPC)
CH FR LI NL
DOCDB simple family (publication)
DE 4312596 A1 19941020; EP 0627716 A1 19941207; EP 0627716 B1 20000301
DOCDB simple family (application)
DE 4312596 A 19930417; EP 94106017 A 19940418