US889788A - Electric transmission of intelligence. - Google Patents

Description

PATENTED JUNE 2, 1908.

APPLICATION FILED OUT. 28.1905

INVENTOR.

WI TNESSES: f

I To all whom it may concern:

' lated but conductively separated from each jmediate stationA 'is-connected in series as to the'wlreb.

of United States, residing at Philadelphia,

'with the aid of telephonic devices.

:vi w. a system of telephony embodying. my 'inven'tion. Y

ductively, related by UNITED sTA1 ?ss PATENT OFFICE.

IsmoR -KITsEE, or PHILADELPHIA, PENNSYLVANIA, Asslenon OF ONE-HALF TOIWIILLIAM J. LAT-TA, OF PHILADELPHIA, PENNSYLVANIA.

' ELECTRIC -'rnANsmss1 oN 0F INTELLIGENCE.

1%. 389,788; Specification of Letters Patent. Patented .Time 2, 1908.

i Application filed October 28, 1905. Serial No. 284,901.

'prises herethe battery B, the tele honic transmitter C and, the .induction coil the primary D connected locally to said battery and transmitter and the secondary D connected to the line of transmission with' the interposition of the receiver 13'.

Having now described I claim as new anddesirato secure by Letters Patent ,is:-

1; A line of transmission, a series of-trans- Be itknown that I, Ismon KrrsEE, citizen in the county of Philadelphia and State of Pennsylvania, have invented certain new and useful Improvements in Electric Transmission of Intelligence, of which the followin is a specification, p j

Iy invention relates to an improvement in electric transmission and has more special reference to .thetransmission of intelligence Its ob,- ject is, to-make possible communications between stationsfmore the line comprisinggtwo conductors twisted in intimate relation, the statlons 1n serles between one of said conductors, 1n combinaor less remote from each otherthrough conductors inductively' rerelated to, but conductively from each other. I

2. In electric transmission, a line comprising twoconductors inductively related to, but conductively independent from each other,1a series of stations for said line and two terminaldevic'es for said-line, each "of said devices comprising two conductors conductively independent fromeach other, inductively related to eachother. In-testimony whereof I afiix my signature in presence. oftwo witnesses.

rsinos irstin other.

I 7 independent The drawing represents 1n dlagrammatlc a 1 is the line of transmlssion comprising two conductors insulated'from each otherbut-in being in intimate twist with each other. These two conductors are designated by the letters a and b respectively. To this circuit are connected the terminal stationsA and A and theintermediate station A The line is left open at both terminal stations and at each'of these stations the wires a and b are connected to the device Fcomprising the wires f and f. The inter- Witnesses: 1

EDITH R. STILLEY, MARY 0. SMITH.

Each of the stations come" my invention, What mitting and recelving stations for said line,-

tion with terminals for said line, said ten-- minals comprising twisted wires inductively but

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