Telephonic communications – Telephone line or system combined with diverse electrical... – Having transmission of a digital message signal over a...
Patent
1996-12-23
2000-07-18
Kuntz, Curtis A.
Telephonic communications
Telephone line or system combined with diverse electrical...
Having transmission of a digital message signal over a...
375355, H04M 1100, H04L 700
Patent
active
060918047
ABSTRACT:
A device capable of transmitting or receiving time data in the master clock or slave clock modes respectively over standard telephone networks is a microprocessor based system with an independent clock and a time display unit. In the slave clock mode, the device can automatically dial the master clock to have its time corrected.
REFERENCES:
patent: 3764913 (1973-10-01), Ochel et al.
patent: 4125993 (1978-11-01), Emile, Jr.
patent: 4337463 (1982-06-01), Vangen
patent: 4358777 (1982-11-01), Bille
patent: 4580011 (1986-04-01), Glaser
patent: 5329559 (1994-07-01), Wong et al.
Council of Scienntific & Industrial Research
Eng George
Kuntz Curtis A.
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