HU176960B - Blok-skhema telefonnykh apparatov s odno- ili dvukhkratnym ispol'zovanie, abonentnykh linij peredachi - Google Patents

Blok-skhema telefonnykh apparatov s odno- ili dvukhkratnym ispol'zovanie, abonentnykh linij peredachi Download PDF

Info

Publication number
HU176960B
HU176960B HU77FE1007A HUFE001007A HU176960B HU 176960 B HU176960 B HU 176960B HU 77FE1007 A HU77FE1007 A HU 77FE1007A HU FE001007 A HUFE001007 A HU FE001007A HU 176960 B HU176960 B HU 176960B
Authority
HU
Hungary
Prior art keywords
transistor
resistor
capacitor
circuit
fork
Prior art date
Application number
HU77FE1007A
Other languages
English (en)
Hungarian (hu)
Inventor
Helmut Glier
Claus-Peter Kaufmann
Original Assignee
Nordhausen Veb Fernmeldewerk
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 Nordhausen Veb Fernmeldewerk filed Critical Nordhausen Veb Fernmeldewerk
Publication of HU176960B publication Critical patent/HU176960B/hu

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/58—Anti-side-tone circuits
    • H04M1/585—Anti-side-tone circuits implemented without inductive element
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/71—Substation extension arrangements
    • H04M1/715—Substation extension arrangements using two or more extensions per line

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephonic Communication Services (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Telephone Function (AREA)
  • Devices For Supply Of Signal Current (AREA)
HU77FE1007A 1976-09-23 1977-09-09 Blok-skhema telefonnykh apparatov s odno- ili dvukhkratnym ispol'zovanie, abonentnykh linij peredachi HU176960B (hu)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD19495576A DD127119B1 (enrdf_load_stackoverflow) 1976-09-23 1976-09-23

Publications (1)

Publication Number Publication Date
HU176960B true HU176960B (hu) 1981-06-28

Family

ID=5505821

Family Applications (1)

Application Number Title Priority Date Filing Date
HU77FE1007A HU176960B (hu) 1976-09-23 1977-09-09 Blok-skhema telefonnykh apparatov s odno- ili dvukhkratnym ispol'zovanie, abonentnykh linij peredachi

Country Status (7)

Country Link
CS (1) CS225657B1 (enrdf_load_stackoverflow)
CU (1) CU34755A (enrdf_load_stackoverflow)
DD (1) DD127119B1 (enrdf_load_stackoverflow)
DE (1) DE2732532C2 (enrdf_load_stackoverflow)
HU (1) HU176960B (enrdf_load_stackoverflow)
RO (1) RO80538B1 (enrdf_load_stackoverflow)
YU (1) YU39255B (enrdf_load_stackoverflow)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2159150C3 (de) * 1971-11-29 1978-07-27 Siemens Ag, 1000 Berlin Und 8000 Muenchen Schaltungsanordnung für zentralgespeiste Teilnehmerstationen mit eine Widerstandsbrücke enthaltenden Sprechschaltungen

Also Published As

Publication number Publication date
DE2732532C2 (de) 1986-04-17
RO80538A2 (ro) 1984-03-15
RO80538B1 (ro) 1984-03-30
YU39255B (en) 1984-10-31
YU222377A (en) 1982-02-28
DD127119A1 (enrdf_load_stackoverflow) 1977-09-07
CS225657B1 (en) 1984-02-13
DE2732532A1 (de) 1978-03-30
DD127119B1 (enrdf_load_stackoverflow) 1981-05-27
CU34755A (es) 1983-10-04
CU20982L (es) 1981-04-20

Similar Documents

Publication Publication Date Title
US6920313B2 (en) Cellular based universal telephone system adapted for both cellular and land line mimicked service
JPH01245662A (ja) 電話通話あるいは情報伝送に関する伝達システム
US2801287A (en) Control of regular and distant talking subscribers sets
US3757053A (en) Time multiplexed sampled data telephone system
HU176960B (hu) Blok-skhema telefonnykh apparatov s odno- ili dvukhkratnym ispol'zovanie, abonentnykh linij peredachi
US3920902A (en) Off-premises station line circuit for a key telephone system
US3626101A (en) Loop extender for subscribers connected to a central office by abnormally long telephone lines
US3798379A (en) Connector terminal dial repulser
RU2007879C1 (ru) Концентратор
RU226289U1 (ru) Устройство переговорное
RU226124U1 (ru) Устройство переговорное
US3846588A (en) Telecommunication systems
US4004107A (en) Telephone circuit to eliminate use of a hold button
SU1210231A1 (ru) Устройство дл автоматической переадресации вызовов
RU2111616C1 (ru) Бесшнуровой телефонный аппарат
KR100320229B1 (ko) 사령전화장치
KR0181077B1 (ko) 전화기의 신호 절환 장치
RU1811026C (ru) Устройство автономной двухабонентной телефонной св зи
CA1054276A (en) Telephone circuit to eliminate use of a hold button
CN1022725C (zh) 双机同线电话可互叫通话转换器
SU1561210A1 (ru) Устройство дл совмещенного включени телефонных аппаратов
CN110995948A (zh) 一种在voip系统中传输pcm磁石电话的方法
CN1019442B (zh) 音频带内二次拨号系统
JPH0227880B2 (ja) Botandenwasochi
HU193107B (en) Circuit arrangement for making circuit of main route, in particular to digital sub-exchanges

Legal Events

Date Code Title Description
HU90 Patent valid on 900628