Wave transmission lines and networks – Coupling networks – With impedance matching
Patent
1991-05-14
1994-05-03
Lee, Benny
Wave transmission lines and networks
Coupling networks
With impedance matching
333246, 333260, 439 76, 439638, H01P 500
Patent
active
053091213
ABSTRACT:
A signal transfer line of electrical equipment which is provided with a BNC connector as the external input/output connector to which a coaxial cable is connected and which performs transfer of signals between the BNC connector and a circuit board inside the equipment, wherein the BNC connector is mounted to a connector board, a DIN connector is mounted to the board, a line pattern portion connecting the BNC connector and DIN connector being constituted on the board, pins for signals of the DIN connector being comprised with a characteristic impedance the same as the characteristic impedance of the coaxial cable by suitably grounding surrounding pins or by the microstripping of the line pattern portion etc., whereby arrangement of wiring in the electrical equipment becomes unnecessary so that connections for transferring signals can be manufactured at a low cost.
REFERENCES:
patent: 3573704 (1971-04-01), Tarver
patent: 4593243 (1986-06-01), Lao et al.
patent: 4993956 (1991-02-01), Pickles et al.
patent: 5046955 (1991-09-01), Olsson
Brown, A. V.; "Fabricating Minature Strip Lines"; IBM Technical Disclosure Bulletin; vol. 12, No. 10; Mar. 10, 1970; pp. 1637-1638.
Kobayashi Yuji
Nakata Tetsuro
Eslinger Lewis H.
Lee Benny
Maioli Jay H.
Sony Corporation
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