SE456387B - Sett att paverka en ljudkella vid telefonsamtal och anordning for utovande av settet - Google Patents

Sett att paverka en ljudkella vid telefonsamtal och anordning for utovande av settet

Info

Publication number
SE456387B
SE456387B SE8301839A SE8301839A SE456387B SE 456387 B SE456387 B SE 456387B SE 8301839 A SE8301839 A SE 8301839A SE 8301839 A SE8301839 A SE 8301839A SE 456387 B SE456387 B SE 456387B
Authority
SE
Sweden
Prior art keywords
signal
transmitted
shunt resistor
circuit
connection
Prior art date
Application number
SE8301839A
Other languages
English (en)
Swedish (sv)
Other versions
SE8301839D0 (sv
SE8301839L (sv
Inventor
Claes Lorentz Uno Persson
Original Assignee
Claes Lorentz Uno Persson
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 Claes Lorentz Uno Persson filed Critical Claes Lorentz Uno Persson
Priority to SE8301839A priority Critical patent/SE456387B/sv
Publication of SE8301839D0 publication Critical patent/SE8301839D0/xx
Priority to EP84850098A priority patent/EP0121508A3/fr
Priority to JP59061323A priority patent/JPS59186454A/ja
Priority to KR1019840001687A priority patent/KR840008242A/ko
Publication of SE8301839L publication Critical patent/SE8301839L/
Publication of SE456387B publication Critical patent/SE456387B/sv

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/20—Arrangements for preventing acoustic feed-back
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/82—Line monitoring circuits for call progress or status discrimination

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
  • Telephone Function (AREA)
  • Circuits Of Receivers In General (AREA)
SE8301839A 1983-03-31 1983-03-31 Sett att paverka en ljudkella vid telefonsamtal och anordning for utovande av settet SE456387B (sv)

Priority Applications (4)

Application Number Priority Date Filing Date Title
SE8301839A SE456387B (sv) 1983-03-31 1983-03-31 Sett att paverka en ljudkella vid telefonsamtal och anordning for utovande av settet
EP84850098A EP0121508A3 (fr) 1983-03-31 1984-03-27 Méthode pour influencer une source audio pendant l'usage du téléphone et dispositif pour l'utilisation de cette méthode
JP59061323A JPS59186454A (ja) 1983-03-31 1984-03-30 電話呼出しの際に音響源に影響を与える方法
KR1019840001687A KR840008242A (ko) 1983-03-31 1984-03-30 전화작동중 음향 발생원을 전기유도하는 방법과 이 방법을 이용하기 위한 장치

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8301839A SE456387B (sv) 1983-03-31 1983-03-31 Sett att paverka en ljudkella vid telefonsamtal och anordning for utovande av settet

Publications (3)

Publication Number Publication Date
SE8301839D0 SE8301839D0 (sv) 1983-03-31
SE8301839L SE8301839L (sv) 1984-10-01
SE456387B true SE456387B (sv) 1988-09-26

Family

ID=20350640

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8301839A SE456387B (sv) 1983-03-31 1983-03-31 Sett att paverka en ljudkella vid telefonsamtal och anordning for utovande av settet

Country Status (4)

Country Link
EP (1) EP0121508A3 (fr)
JP (1) JPS59186454A (fr)
KR (1) KR840008242A (fr)
SE (1) SE456387B (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6347644U (fr) * 1986-09-11 1988-03-31
EP0391918A1 (fr) * 1987-09-24 1990-10-17 BABER, Alan Accessoire telephonique
GB8903263D0 (en) * 1989-02-14 1989-04-05 Regent Communications Ltd Telephone accessory
DE3913754A1 (de) * 1989-04-21 1990-10-25 Andreas Von Hennings Steuereinrichtung
DE4009899C1 (fr) * 1990-03-28 1991-08-01 Blaupunkt-Werke Gmbh, 3200 Hildesheim, De
DE102013019295A1 (de) 2012-12-13 2014-06-18 Helmut Koester Sonnenschutzanlagen mit faltenförmig strukturierten Lamellen

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1909843A (en) * 1931-01-27 1933-05-16 Bell Telephone Labor Inc Communicating system
US3412213A (en) * 1965-07-20 1968-11-19 Kaymet Electronics Inc Automatic telephone operated switch
US3446976A (en) * 1966-02-23 1969-05-27 Clifford O Shaw Telephone operated optoelectronic volume control
US3532823A (en) * 1968-05-27 1970-10-06 Jack C Ellis Telephone actuable switch attachment
US4425477A (en) * 1982-02-08 1984-01-10 Paul Alan Magil & Associates Telephone line triggered attenuator

Also Published As

Publication number Publication date
KR840008242A (ko) 1984-12-13
EP0121508A2 (fr) 1984-10-10
SE8301839D0 (sv) 1983-03-31
JPS59186454A (ja) 1984-10-23
EP0121508A3 (fr) 1986-08-20
SE8301839L (sv) 1984-10-01

Similar Documents

Publication Publication Date Title
SE456387B (sv) Sett att paverka en ljudkella vid telefonsamtal och anordning for utovande av settet
CA1193775A (fr) Commutateur commun electronique
US3501591A (en) Subscriber carrier for special service applications
US833429A (en) Automatic system of intercommunication.
US1196761A (en) Telephone system.
US904441A (en) Combined telephone-exchange and alarm system.
US831819A (en) Telephone system.
US825685A (en) Combined telephone exchange and alarm system.
US760399A (en) Selective signal system.
US690289A (en) Telephone-meter.
US1034875A (en) Telephone system.
US1045845A (en) Telephone system.
US230168A (en) Automatic short-circuiter for telephones
US274857A (en) Telephone-exchange signaling circuit and apparatus
US655144A (en) Electric-signal-registering system.
US626624A (en) Circuit and apparatus for bridging telephones
US825625A (en) Combined telephone and alarm system.
US836904A (en) Automatic system of intercommunication.
US245494A (en) eewett
US784720A (en) Telephone signaling means.
US637884A (en) Telephone-circuit.
US864887A (en) Supervisory system for telephone-lines.
US1090821A (en) Telephone system.
US1361928A (en) Testing and adjusting apparatus for cord-circuits
US978709A (en) Combined telephone and alarm or kindred service system.

Legal Events

Date Code Title Description
NAL Patent in force

Ref document number: 8301839-0

Format of ref document f/p: F

NUG Patent has lapsed

Ref document number: 8301839-0

Format of ref document f/p: F