Document Type and Number:
Japanese Patent JPS51122299
Kind Code:
U
Abstract:
An ultrasonic remote control device of the type having an integrated switching network formed in a multilayer printed circuit and mechanical switching means whereby at least some of the circuit connection paths intersect in a cross connection matrix with the switching means manually operable to connect each intersecting path to a common potential, for example ground.
Application Number:
JP5983275U
Publication Date:
October 04, 1976
Filing Date:
May 06, 1975
Export Citation:
International Classes:
H03J9/00; H01H13/702; H04N5/00; H04Q9/00; H01H13/703; (IPC1-7): H04B11/00; H04N5/44; H04Q9/10
Domestic Patent References:
| JPS4833727A | 1973-05-12 | |||
| JPS4725672A |