G - Physics – 05 – B
Patent
G - Physics
05
B
342/19
G05B 24/02 (2006.01) G04C 13/02 (2006.01) G04G 5/00 (2006.01) G04G 15/00 (2006.01)
Patent
CA 2028535
Abstract A remote synchronizable time indicator (25), in particular, in the formof a time switch having a switching range (31) to control a load (33), is to be laid out so that it can also be operated at those locations, during corrective monitoring of an absolute time information (13), where the long-wave carrier frequency (f) of a public time transmitter cannot be readily received, such as in a low-lying installation room of a building (11). For this purpose, the time indicator (25), which in itself is operated autonomously from a time-keeping circuit (27) and which can, if necessary, be periodically corrected via a comparator (23) in accordance with the actual absolute time information (13), is equipped with an indicator-receiver (20) for the carrier-frequency converted transmission of the absolute time information (13) which takes place via a local transmission line (17) in the form of the AC power supply of a house (32) and/or a short-wave channel. This local transmission line (17) is fed in the building (11) or in the vicinity of the building (11) from a converter-receiver (14) which is positioned in such a way that it can advantageously receive the long-wave carrier frequency (f) of the absolute information (13) received from a public time transmitter, whereby the local transmission line (17) is fed with a local transmission frequency (F) which has been increased via frequency converters (16).
Schott Bernard
Sturzl Wilhelm
Diehl G.m.b.h. & Co.
Fetherstonhaugh & Co.
Schott Bernard
Sturzl Wilhelm
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