Routinable clock circuit

Details Routinable clock circuit Routinable clock circuit

1978-10-26

1980-05-06

Robinson, Thomas A.

Pulse or digital communications

Spread spectrum

Direct sequence

1791752C, H04L 700, G06F 1516

Patent

active

042018854

ABSTRACT:
A routinable clock circuit for use in an automatic identification of outward dialing (AIOD) system. The clock circuit consists of asynchronous receive and transmit portions connected and utilized in such a manner as to permit a central processing unit to routine both portions in conjunction with one another to determine whether a fault condition exists. Should such a fault condition exist, the circuitry can be used to determine in which portion the fault lies and to further localize the fault to a functional area within the particular portion of the clock circuit. The clock circuit normally functions to drive logic circuitry for transmitting and receiving data consisting of information associated with calls initiated at a remotely located PABX.

REFERENCES:
patent: 4021784 (1977-05-01), Kimlinger
patent: 4027261 (1977-05-01), Laurent et al.

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