Sample and hold circuit
CA 1192948 A · Owner: Sony Corporation · Inventors: Ishikawa, Fumio
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A sample and hold circuit is disclosed in which, first and second terminals to which are supplied drive currents for turning ON and OFF a diode bridge are respectively connected through capacitors to a connection point between output electrodes of switching elements a diode is connected, between the first and second terminals for short-circuiting the capacitors when the diode bridge is made OFF and input, electrodes of the switching elements are respectively connected to first and second points of a reference potential whereby said diode bridge is made ON by a drive current flowing from the first point to the second point of the reference potential.
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 3, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 3, 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.