Apparatus and method for a multiple tone code sender system for

Details Apparatus and method for a multiple tone code sender system for Apparatus and method for a multiple tone code sender system for

1978-03-30

1979-05-22

Claffy, Kathleen H.

Oscillators

Relaxation oscillators

331 51, H04M 150

Patent

active

041561155

ABSTRACT:
A tone sender system for producing analog tone pairs for transmission of the digits comprising a telephone number. Dual codes, multi-frequency and touch calling multi-frequency, are produced to generate simulated test call originations. This tone sender system provides in a single source the capability to generate telephone call originations requiring either multi-frequency (MF) or touch calling multi-frequency (TCMF) tone pairs for the digit transmission. The tone code to be utilized is selectable.

REFERENCES:
patent: 3719897 (1973-03-01), Tarr

Affiliated with

Also associated with

Rating

Apparatus and method for a multiple tone code sender system for does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Apparatus and method for a multiple tone code sender system for , we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Apparatus and method for a multiple tone code sender system for will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1041897