ES337847A1 - Una instalacion telefonica. - Google Patents

Una instalacion telefonica.

Info

Publication number
ES337847A1
ES337847A1 ES337847A ES337847A ES337847A1 ES 337847 A1 ES337847 A1 ES 337847A1 ES 337847 A ES337847 A ES 337847A ES 337847 A ES337847 A ES 337847A ES 337847 A1 ES337847 A1 ES 337847A1
Authority
ES
Spain
Prior art keywords
subscriber
carrier
exchange
line
substation
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
ES337847A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Superior Essex Inc
Original Assignee
Superior Cable Corp
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 Superior Cable Corp filed Critical Superior Cable Corp
Publication of ES337847A1 publication Critical patent/ES337847A1/es
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M19/00Current supply arrangements for telephone systems
    • H04M19/08Current supply arrangements for telephone systems with current supply sources at the substations
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M19/00Current supply arrangements for telephone systems
    • H04M19/02Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
    • H04M19/04Current 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q5/00Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange
    • H04Q5/24Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange for two-party-line systems
    • H04Q5/245Circuit arrangements in which for one subscriber low frequency speech and/or signalling signals proceed on the line, while for the other subscriber the low frequency speech and/or signalling signals are modulated upon a high frequency carrier signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Dc-Dc Converters (AREA)
ES337847A 1966-05-11 1967-03-10 Una instalacion telefonica. Expired ES337847A1 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US54939966A 1966-05-11 1966-05-11
US66016567A 1967-08-02 1967-08-02

Publications (1)

Publication Number Publication Date
ES337847A1 true ES337847A1 (es) 1968-03-01

Family

ID=27069121

Family Applications (2)

Application Number Title Priority Date Filing Date
ES337847A Expired ES337847A1 (es) 1966-05-11 1967-03-10 Una instalacion telefonica.
ES346305A Expired ES346305A2 (es) 1966-05-11 1967-10-21 Una instalacion telefonica.

Family Applications After (1)

Application Number Title Priority Date Filing Date
ES346305A Expired ES346305A2 (es) 1966-05-11 1967-10-21 Una instalacion telefonica.

Country Status (13)

Country Link
US (1) US3510584A (es)
AT (4) AT308843B (es)
BE (2) BE698326A (es)
CH (2) CH474928A (es)
DE (1) DE1512892C3 (es)
ES (2) ES337847A1 (es)
FI (1) FI53052C (es)
FR (2) FR1522794A (es)
GB (2) GB1185678A (es)
IL (1) IL27449A (es)
MY (1) MY7200057A (es)
NL (2) NL6703380A (es)
SE (1) SE318622C (es)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3601538A (en) * 1969-02-24 1971-08-24 Stromberg Carlson Corp Carrier and voice-frequency telephone system
US3700817A (en) * 1970-10-16 1972-10-24 Itt Single channel carrier telephone system
US3686444A (en) * 1971-03-01 1972-08-22 Robert Andrew Stevenson Telephone instruments
US3780228A (en) * 1972-03-01 1973-12-18 Gte Automatic Electric Lab Inc Automatic disconnect circuit for reducing dial pulse distortion caused by subscriber carrier equipment
US3932712A (en) * 1972-06-14 1976-01-13 Stromberg-Carlson Corporation Telephone transmission system
US3822366A (en) * 1972-10-10 1974-07-02 Garrett J One channel carrier intercom system
US3886321A (en) * 1973-11-05 1975-05-27 Seismograph Service Corp Ringing generator for telephone station terminal
US3902017A (en) * 1974-01-25 1975-08-26 Gte Automatic Electric Lab Inc Ringer guard circuitry for subscriber carrier telephone system
US3903367A (en) * 1974-01-25 1975-09-02 Gte Automatic Electric Lab Inc Power control circuitry for subscriber carrier telephone systems
US4048551A (en) * 1975-12-05 1977-09-13 Bell Telephone Laboratories, Incorporated Battery charging circuit
US4105867A (en) * 1977-02-07 1978-08-08 H. R. Electronics Company Control circuit for pay telephones and the like
US4152546A (en) * 1977-08-25 1979-05-01 Gte Automatic Electric Laboratories, Inc. Ringer power generator circuit for carrier subscriber station terminal
FR2516726A1 (fr) * 1981-11-13 1983-05-20 Cit Alcatel Quadripole limiteur de parasites pour systemes de transmission telephonique de type 1 + 1
US4653046A (en) * 1984-06-18 1987-03-24 Brand-Rex Company Single channel subscriber carrier system
US5459729C1 (en) * 1989-07-25 2002-03-19 Raychem Corp Digital added main line system
US5668814A (en) * 1995-03-20 1997-09-16 Raychem Corporation Dual DDS data multiplexer
US6282204B1 (en) 1997-12-19 2001-08-28 Terayon Communication Systems, Inc. ISDN plus voice multiplexer system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2654804A (en) * 1949-05-27 1953-10-06 Bell Telephone Labor Inc Power line carrier telephone system
US2744958A (en) * 1951-07-30 1956-05-08 Ellsworth A Hosmer Carrier telephone system
US2857464A (en) * 1954-08-16 1958-10-21 Bell Telephone Labor Inc Carrier operation of multistation telephone lines
US2932694A (en) * 1954-09-10 1960-04-12 Bell Telephone Labor Inc Rural carrier telephone transmission system
US2829204A (en) * 1954-11-26 1958-04-01 Bell Telephone Labor Inc Battery charging over subscriber telephone line
US2917580A (en) * 1955-04-29 1959-12-15 Chen Li-Yen Carrier telephone system
US3029312A (en) * 1957-11-13 1962-04-10 W C Dillon & Company Inc Communication system

Also Published As

Publication number Publication date
FI53052B (es) 1977-09-30
DE1512892B2 (de) 1970-03-26
IL27449A (en) 1972-02-29
GB1195341A (en) 1970-06-17
GB1185678A (en) 1970-03-25
SE318622C (sv) 1974-09-23
AT308843B (de) 1973-07-25
FR1522794A (fr) 1968-04-26
FR93398E (fr) 1969-03-21
ES346305A2 (es) 1969-03-01
CH487559A (de) 1970-03-15
AT327994B (de) 1976-02-25
DE1537838B2 (de) 1976-01-22
FI53052C (es) 1978-01-10
DE1512892A1 (de) 1969-10-16
SE318622B (sv) 1969-12-15
DE1537838A1 (de) 1970-02-12
CH474928A (de) 1969-06-30
MY7200057A (en) 1972-12-31
NL6712498A (es) 1969-02-04
AT309539B (de) 1973-08-27
NL6703380A (es) 1967-11-13
AT303131B (de) 1972-11-10
BE705630A (es) 1968-04-25
US3510584A (en) 1970-05-05
DE1512892C3 (de) 1975-07-03
BE698326A (es) 1967-11-13

Similar Documents

Publication Publication Date Title
ES346305A2 (es) Una instalacion telefonica.
GB1475800A (en) Telephone transmission system
ES8601607A1 (es) Un adaptador de linea compartida con la caracteristica de secreto
GB916545A (en) Improvements in or relating to loud speaking telephone sets
US4827501A (en) Telephone call screening apparatus
US3688038A (en) Stored energy signalling circuit
US3601538A (en) Carrier and voice-frequency telephone system
GB1372754A (en) Tone ringer circuits
US4167655A (en) Push button to rotary dial converter systems
US3639692A (en) Subscriber terminal unit for telephone carrier system
US3892929A (en) Fault detector and current limiter
GB1563130A (en) Switching circuits
US3851108A (en) Communication line supervisory circuit
GB1254258A (en) A circuit arrangement including a relaxation oscillator for alternately providing ringing-tone and supervisory signals to subscriber stations
US3941941A (en) Relayless switching circuit for application of ringing signals
SE317716B (es)
US3624300A (en) Central office terminal unit for telephone carrier system
US3218395A (en) Electronic signaling arrangement
CA1176771A (en) Arrangement for extending digital signaling to telephone subscribers' substations
US3132211A (en) Dial light for telephone substation set
US3686444A (en) Telephone instruments
US4674118A (en) Telephone line hold and hold release apparatus
GB1360038A (en) Apparatus for blocking transmission of dialing pulses from subscriber telephone sets
US3596164A (en) Telephone control circuit
US4468540A (en) Wireless telephone system with combination filter/oscillator circuit