Multilayered ceramic type electromagnetic coupler apparatus
First Claim
Patent Images
1. A multilayered ceramic type electromagnetic coupler apparatus, comprising:
- a coupling section including first and second coil elements and adapted to electromagnetically couple said coil elements, said first and second coil elements are formed on ceramic substrates, wherein said ceramic substrates are laminated and have an insulating member disposed between adjacent ones of said ceramic substrates;
a modulator section which includes an oscillator for oscillating at a predetermined carrier frequency and a modulator for modulating a carrier input from said oscillator by means of a signal supplied from an external circuit and which is adapted to supply said modulated carrier to said first coil element; and
a demodulating section adapted to output a signal after demodulating said modulated carrier output from said second coil element.
0 Assignments
0 Petitions
Accused Products
Abstract
A multilayered ceramic electromagnetic coupler apparatus includes coils formed on ceramic substrates. The coils are laminated and have insulting layers between the ceramic substrates, a modulator section having an oscillator and a demodulator for outputting a transmitted signal.
84 Citations
19 Claims
-
1. A multilayered ceramic type electromagnetic coupler apparatus, comprising:
-
a coupling section including first and second coil elements and adapted to electromagnetically couple said coil elements, said first and second coil elements are formed on ceramic substrates, wherein said ceramic substrates are laminated and have an insulating member disposed between adjacent ones of said ceramic substrates; a modulator section which includes an oscillator for oscillating at a predetermined carrier frequency and a modulator for modulating a carrier input from said oscillator by means of a signal supplied from an external circuit and which is adapted to supply said modulated carrier to said first coil element; and a demodulating section adapted to output a signal after demodulating said modulated carrier output from said second coil element.
-
-
2. A signal transmission apparatus comprising:
-
a first coil element; a second coil element electromagnetically coupled with said first coil element; oscillator means for generating a high frequency carrier; means for modulating said carrier by means of a signal input from an external circuit to produce a modulated signal and for supplying said modulated signal to said first coil element; means for demodulating said modulated signal input via the electromagnetic coupling between said first and second coil elements; and a plurality of ceramic substrates that are laminated having a predetermined number of insulating members disposed between adjacent ones of said ceramic substrates, said first and second coil elements being formed on some of said plurality of ceramic substrates. - View Dependent Claims (3, 4, 5, 18)
-
-
6. A signal transmission apparatus comprising:
-
a plurality of coil elements arranged so that adjacent coil elements are electromagnetically coupled; a plurality of ceramic substrates that are laminated, said plurality of coil elements being formed on some of said plurality of ceramic substrates respectively; an oscillator for generating a high frequency carrier; means for modulating said carrier by means of a signal input from an external circuit to produce a modulated signal and for supplying said modulated signal to one of said coil elements; and means for demodulating said modulated signal input via said plurality of coil elements. - View Dependent Claims (7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 19)
-
Specification