SE363454B - - Google Patents

Info

Publication number
SE363454B
SE363454B SE02659/70A SE265970A SE363454B SE 363454 B SE363454 B SE 363454B SE 02659/70 A SE02659/70 A SE 02659/70A SE 265970 A SE265970 A SE 265970A SE 363454 B SE363454 B SE 363454B
Authority
SE
Sweden
Application number
SE02659/70A
Inventor
K Blomberg
Original Assignee
K Blomberg
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 K Blomberg filed Critical K Blomberg
Priority to SE02659/70A priority Critical patent/SE363454B/xx
Priority to US00118025A priority patent/US3760122A/en
Priority to CH279671A priority patent/CH521073A/de
Publication of SE363454B publication Critical patent/SE363454B/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
    • H04M19/04—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone the ringing-current being generated at the substations

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
SE02659/70A 1970-02-27 1970-02-27 SE363454B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Priority Applications (3)

Application Number Priority Date Filing Date Title
SE02659/70A SE363454B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1970-02-27 1970-02-27
US00118025A US3760122A (en) 1970-02-27 1971-02-23 Switching device for telephone instruments
CH279671A CH521073A (de) 1970-02-27 1971-02-26 Schaltvorrichtung für einen Telephonapparat

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE02659/70A SE363454B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1970-02-27 1970-02-27

Publications (1)

Publication Number Publication Date
SE363454B true SE363454B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1974-01-14

Family

ID=20260400

Family Applications (1)

Application Number Title Priority Date Filing Date
SE02659/70A SE363454B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1970-02-27 1970-02-27

Country Status (3)

Country Link
US (1) US3760122A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CH (1) CH521073A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
SE (1) SE363454B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3927278A (en) * 1973-03-23 1975-12-16 Nitsuko Ltd Direct-station-selection intercommunication and automatic holding circuit in a key telephone system

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR720111A (fr) * 1930-07-17 1932-02-16 Siemens Ag Appareil téléphonique automatique à main
US2183744A (en) * 1936-01-13 1939-12-19 Jesse P Hubbell Telephone instrument
NL85027C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1941-07-10
BE465890A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1942-12-30
US2657265A (en) * 1948-01-23 1953-10-27 Branson John Charles Sydney Amplifying device for use with telephone apparatus
US2549929A (en) * 1948-03-24 1951-04-24 Kenworth Mfg & Stamping Co Adjustable radio silencer
US2586910A (en) * 1950-10-12 1952-02-26 Edward A Bolle Lamp switch actuator for use in conjunction with a telephone apparatus
US2812422A (en) * 1953-12-28 1957-11-05 Brearley Co Illuminated bathroom scale
US2910538A (en) * 1957-06-10 1959-10-27 Gen Telephone Lab Inc Desk telephone
US3100818A (en) * 1959-11-06 1963-08-13 Thomas F Carter Communication systems
US3156771A (en) * 1960-11-14 1964-11-10 Elijah J Vaughn Telephone loud-speaker combination
NO120997B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1964-10-19 1971-01-04 Ring System Maskiner Gustav
US3548117A (en) * 1968-02-28 1970-12-15 Knut Hugo Blomberg Wallbracket for standing telephones
US3636547A (en) * 1969-06-09 1972-01-18 Robert J Brace Alarm system and method of incorporating magnetic switch means magnetically controlled electrical switches

Also Published As

Publication number Publication date
US3760122A (en) 1973-09-18
CH521073A (de) 1972-03-31

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