Analog-to-digital converter
CA 1194237 A · Owner: N.V. Philips Gloeilampenfabrieken · Inventors: Van Roessel, Frederik J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An analog-to-digital converter incorporating a series arrangement (3, 4, 5, 6) of an integrating circuit (3), a comparison circuit (4), a flip-flop (5) and a gate (6), a clock pulse signal being applied to the two lastmentioned components. An output of the flip-flop (5) is fed back to the input (14) of the integrating circuit (3) to which also the signal to be converted is applied via a switchable current source circuit (15). For effecting an optimum (ideal) integration resulting in a linear conversion, the integrating circuit (3) has a construction as shown in the drawing, it being essential for the product of the value of the capacitor 9 and the resistor 10 to be substantially equal to …
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted September 24, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 24, 2002.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.