Pulse amplitude modulated tone generator

Multiplex communications – Communication techniques for information carried in plural... – Combining or distributing information via time channels

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

370532, H04J 302

Patent

active

058257810

ABSTRACT:
A tone generating circuit comprises a counter circuit having a clock input for receiving a clock signal and a plurality of outputs which generate sequential binary values in response to transitioning of the clock signal; a multiplexer having several inputs, a number of select lines connected to the counter circuit outputs, and at least one output; and a resistor divider network connected to the multiplexer inputs. The multiplexer select lines select one of the multiplexer inputs in accordance with the binary value received from the counter circuit. The multiplexer inputs are connected to different taps on the resistor divider network. The counter selects multiplexer inputs on the falling edge of the clock signal, while the output signal level transitions before the rising edge of the clock signal.

REFERENCES:
patent: 4205203 (1980-05-01), Mehta et al.
patent: 4383313 (1983-05-01), Sbuelz
patent: 4432031 (1984-02-01), Premerlani
patent: 4607345 (1986-08-01), Mehta
patent: 4620294 (1986-10-01), Leung et al.
patent: 4627047 (1986-12-01), Pitroda et al.
patent: 4882586 (1989-11-01), Dolph et al.
patent: 4967195 (1990-10-01), Shipley
patent: 5281756 (1994-01-01), Kawashima
patent: 5576695 (1996-11-01), Minger et al.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Pulse amplitude modulated tone generator does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Pulse amplitude modulated tone generator, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Pulse amplitude modulated tone generator will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-253224

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.