FI57677C - Tidskalibrerad brytanordning - Google Patents

Tidskalibrerad brytanordning Download PDF

Info

Publication number
FI57677C
FI57677C FI113273A FI113273A FI57677C FI 57677 C FI57677 C FI 57677C FI 113273 A FI113273 A FI 113273A FI 113273 A FI113273 A FI 113273A FI 57677 C FI57677 C FI 57677C
Authority
FI
Finland
Prior art keywords
circuit
contact
relay
diagonal
terminals
Prior art date
Application number
FI113273A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI57677B (fi
Inventor
Michel Legros
Rene Charles
Original Assignee
Ericsson Telefon Ab L M
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Application granted granted Critical
Publication of FI57677B publication Critical patent/FI57677B/sv
Publication of FI57677C publication Critical patent/FI57677C/sv

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/26Devices for calling a subscriber
    • H04M1/53Generation of additional signals, e.g. additional pulses

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interface Circuits In Exchanges (AREA)
FI113273A 1972-04-17 1973-04-10 Tidskalibrerad brytanordning FI57677C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7213423 1972-04-17
FR7213423A FR2180444B1 (ro) 1972-04-17 1972-04-17

Publications (2)

Publication Number Publication Date
FI57677B FI57677B (fi) 1980-05-30
FI57677C true FI57677C (fi) 1980-09-10

Family

ID=9096973

Family Applications (1)

Application Number Title Priority Date Filing Date
FI113273A FI57677C (fi) 1972-04-17 1973-04-10 Tidskalibrerad brytanordning

Country Status (3)

Country Link
FI (1) FI57677C (ro)
FR (1) FR2180444B1 (ro)
SE (1) SE378730B (ro)

Also Published As

Publication number Publication date
SE378730B (ro) 1975-09-08
FI57677B (fi) 1980-05-30
FR2180444B1 (ro) 1974-12-20
FR2180444A1 (ro) 1973-11-30

Similar Documents

Publication Publication Date Title
CN109075981B (zh) 总线组件和用于操作总线组件的方法
FI57677C (fi) Tidskalibrerad brytanordning
US4434326A (en) Circuit arrangement for establishing and terminating a data connection
US4065640A (en) Apparatus for interconnecting a telephone line and a portable calculator
US4081619A (en) Switching arrangement for telecommunication subscriber stations using key-operated selection units
US3366747A (en) Selector for impulse sender
US3531599A (en) Automatic encoder for a communications system
US3809826A (en) Punched card reading telephone instrument
US6326906B1 (en) Keyboard and device provided with the keyboard
US2966557A (en) Telephone dialing apparatus
US4081625A (en) Control circuitry for key telephone apparatus
US3193621A (en) Telephone line finder
US3325602A (en) Multiple station access repertory dialing system
JPS5923664A (ja) 自動ダイヤル装置
DE2536200C2 (de) Schaltungsanordnung zur Überwachung einer Sprechader in Fernsprechapparaten
US3936608A (en) Multimetering for telephone switching systems
US1209825A (en) Telephone system.
EP0535352A1 (en) Line switch control circuit arrangement for telephone subset
SE448049B (sv) Styrkrets med central och/eller individuell in- och urkoppling av en belysningsanleggning
US2857471A (en) Selector switch circuit
FI68132C (fi) Noedanropsanlaeggning
US4207438A (en) Rotary selector adapted to scan a line multiple in a step-by-step telephone exchange
SU1555906A1 (ru) Устройство дл контрол каналов св зи
US1556999A (en) Automatic telephone exchange
US1209826A (en) Telephone system.