SE184573C1 - - Google Patents

Info

Publication number
SE184573C1
SE184573C1 SE184573DA SE184573C1 SE 184573 C1 SE184573 C1 SE 184573C1 SE 184573D A SE184573D A SE 184573DA SE 184573 C1 SE184573 C1 SE 184573C1
Authority
SE
Sweden
Prior art keywords
line
circuit
pulse
connection
information
Prior art date
Application number
Other languages
English (en)
Swedish (sv)
Publication date
Publication of SE184573C1 publication Critical patent/SE184573C1/sv

Links

Landscapes

  • Telephonic Communication Services (AREA)
SE184573D SE184573C1 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE184573T

Publications (1)

Publication Number Publication Date
SE184573C1 true SE184573C1 (enrdf_load_stackoverflow) 1963-01-01

Family

ID=41972173

Family Applications (1)

Application Number Title Priority Date Filing Date
SE184573D SE184573C1 (enrdf_load_stackoverflow)

Country Status (1)

Country Link
SE (1) SE184573C1 (enrdf_load_stackoverflow)

Similar Documents

Publication Publication Date Title
US2335524A (en) Signaling system
DE1034222B (de) Schaltungsanordnung fuer Fernsprech-Vermittlungseinrichtungen
US2640872A (en) Telecommunication exchange system
SE184573C1 (enrdf_load_stackoverflow)
US2613274A (en) Automatic recording of telephone numbers
US3469243A (en) Receiving station for selective-call data system
Malthaner et al. An automatic telephone system employing magnetic drum memory
GB757125A (en) Automatic toll ticketing
US3079590A (en) Data handling system
US2250101A (en) Telephone system
US3169169A (en) Traffic observation system
US3012102A (en) Automatic telephone system
US1729854A (en) Multioffice telephone system
US3251045A (en) Magnetic recorder control system
US3068320A (en) Toll ticketing trunk circuit
US2981799A (en) Data recording system
US3024316A (en) Calling line and station identification system
US3004106A (en) Pulse transmitting and receiving circuit
US1729855A (en) Alternate trunking director system
US974955A (en) Automatic telephone system.
US2479252A (en) Telephone call recording system
US2863945A (en) Test jack testing of toll ticketing trunk circuit
US3140350A (en) Private automatic branch exchange detector
USRE18688E (en) A corpora
US3041399A (en) Toll ticketing system