ES527325A0 - Procedimiento y dispositivo para indicar el estado de lineas telefonicas en un aparato telefonico - Google Patents

Procedimiento y dispositivo para indicar el estado de lineas telefonicas en un aparato telefonico

Info

Publication number
ES527325A0
ES527325A0 ES527325A ES527325A ES527325A0 ES 527325 A0 ES527325 A0 ES 527325A0 ES 527325 A ES527325 A ES 527325A ES 527325 A ES527325 A ES 527325A ES 527325 A0 ES527325 A0 ES 527325A0
Authority
ES
Spain
Prior art keywords
telephone
status
indicate
procedure
lines
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.)
Granted
Application number
ES527325A
Other languages
English (en)
Other versions
ES8407638A1 (es
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.)
Microsemi Semiconductor ULC
Original Assignee
Mitel 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 Mitel Corp filed Critical Mitel Corp
Publication of ES8407638A1 publication Critical patent/ES8407638A1/es
Publication of ES527325A0 publication Critical patent/ES527325A0/es
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/60—Semi-automatic systems, i.e. in which the numerical selection of the outgoing line is under the control of an operator
    • H04M3/62—Keyboard equipment
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/002—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems
    • H04M9/003—Transmission of control signals from or to the key telephone set; signalling equipment at key telephone set, e.g. keyboard or display equipment

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Function (AREA)
  • Telephone Set Structure (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
ES527325A 1982-12-14 1983-11-16 Procedimiento y dispositivo para indicar el estado de lineas telefonicas en un aparato telefonico Granted ES527325A0 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA000417653A CA1188831A (en) 1982-12-14 1982-12-14 Telephone indicator

Publications (2)

Publication Number Publication Date
ES8407638A1 ES8407638A1 (es) 1984-09-16
ES527325A0 true ES527325A0 (es) 1984-09-16

Family

ID=4124148

Family Applications (1)

Application Number Title Priority Date Filing Date
ES527325A Granted ES527325A0 (es) 1982-12-14 1983-11-16 Procedimiento y dispositivo para indicar el estado de lineas telefonicas en un aparato telefonico

Country Status (8)

Country Link
US (1) US4544808A (es)
JP (1) JPS59115695A (es)
CA (1) CA1188831A (es)
DE (1) DE3335774A1 (es)
ES (1) ES527325A0 (es)
FR (1) FR2537820A1 (es)
GB (1) GB2132054B (es)
IT (1) IT1163425B (es)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0500194B1 (en) * 1987-02-10 1998-05-27 Canon Kabushiki Kaisha Communication apparatus
DE3825898C2 (de) * 1988-07-29 1994-09-22 Siemens Ag Fernsprechendgerät mit Funktionstasten
DE3825895A1 (de) * 1988-07-29 1990-02-01 Siemens Ag Fernsprechendgeraet mit funktionstasten
US5339360A (en) * 1992-07-17 1994-08-16 Rolm Company Method of synchronizing LEDS between a digital telephone and remote options
US5530737A (en) * 1993-03-22 1996-06-25 Phonex Corporation Secure access telephone extension system and method
US6055435A (en) * 1997-10-16 2000-04-25 Phonex Corporation Wireless telephone connection surge suppressor
DE19815014C2 (de) * 1998-04-03 2002-02-14 Bosch Gmbh Robert Telekommunikationsendgerät
US6438390B1 (en) 1999-05-06 2002-08-20 Motorola, Inc. Plural status indication control method suitable for use in a communication device
US6665375B1 (en) 2000-11-21 2003-12-16 International Business Machines Corporation Method and apparatus for providing accessibility to call connection status

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE908147C (de) * 1951-10-02 1954-04-01 Mix & Genest Ag Optische Anzeigeeinrichtung an Vermittlungsplaetzen zur Kennzeichnung des Schaltzustandes der Leitungen
GB969537A (en) * 1961-10-11 1964-09-09 Telephone Mfg Co Ltd Improvements in and relating to telephone systems
US3770898A (en) * 1972-06-05 1973-11-06 Gte Automatic Electric Lab Inc Called line status testing circuit
US3906168A (en) * 1973-12-12 1975-09-16 Bell Telephone Labor Inc Visual status indicator circuit
US3920929A (en) * 1974-03-29 1975-11-18 Bell Telephone Labor Inc Key telephone system
US3937901A (en) * 1974-06-03 1976-02-10 International Telephone & Telegraph Corporation Lamp control circuit for key telephone systems
US3953683A (en) * 1974-10-29 1976-04-27 San/Bar Corporation Interrupter for telephone systems
US3991282A (en) * 1974-12-27 1976-11-09 Feil Thomas E Multi station telephone switching system
US4004106A (en) * 1975-06-25 1977-01-18 Akzona Incorporated Line circuit for use with a key telephone system
JPS5292978A (en) * 1976-02-02 1977-08-04 Seikosha Kk Press machine
US4022989A (en) * 1976-06-28 1977-05-10 Bell Telephone Laboratories, Incorporated Telephone receiver-off-hook-and-in-use detector
US4046972A (en) * 1976-10-27 1977-09-06 Bell Telephone Laboratories, Incorporated Key telephone station set circuit
US4132860A (en) * 1977-08-01 1979-01-02 Crest Industries, Inc. Hold control for a key telephone system
JPS54130806A (en) * 1978-04-03 1979-10-11 Takachiho Tsushin Kiki Seisakusho:Kk Signal discrimination system or busy tone and so on
US4212011A (en) * 1978-08-30 1980-07-08 General Electric Company Multimode liquid crystal display
US4257045A (en) * 1978-10-05 1981-03-17 Texas Instruments Incorporated RMS voltage control with variable duty cycle for matching different liquid crystal display materials
DE2913894A1 (de) * 1979-04-06 1980-10-16 Telefonbau & Normalzeit Gmbh Mit einem elektrischen anzeigeelement versehene taste fuer fernmelde-insbesondere fernsprechgeraete
JPS5939957B2 (ja) * 1979-08-07 1984-09-27 岩崎通信機株式会社 ボタン電話装置におけるランプ制御方式
DE2949499C2 (de) * 1979-12-08 1982-06-03 Krone Gmbh, 1000 Berlin Anzeigeeinrichtung für Symbole der Fernsprechtechnik
JPS5683167A (en) * 1979-12-12 1981-07-07 Kanda Tsushin Kogyo Kk Line lamp control system for button telephone device
JPS56110376A (en) * 1980-02-05 1981-09-01 Toshiba Corp Holding state display system of key telephone set
DE3037361C2 (de) * 1980-09-30 1983-11-10 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung für zentralgesteuerte Fernsprechanlagen, insbesondere Fernsprechnebenstellenanlagen und private Fernsprechsonderanlagen, mit teilnehmerstellen- und/oder vermittlungsplatzorientierten Betriebsbereitschaftsanzeigemitteln
US4394544A (en) * 1981-11-09 1983-07-19 Gte Automatic Electric Labs Inc. Line circuit for multiple line telephone

Also Published As

Publication number Publication date
FR2537820A1 (fr) 1984-06-15
CA1188831A (en) 1985-06-11
GB2132054A (en) 1984-06-27
DE3335774A1 (de) 1984-06-14
JPS59115695A (ja) 1984-07-04
IT8321387A0 (it) 1983-05-31
GB2132054B (en) 1986-12-17
ES8407638A1 (es) 1984-09-16
US4544808A (en) 1985-10-01
IT1163425B (it) 1987-04-08
DE3335774C2 (es) 1987-10-22
GB8327457D0 (en) 1983-11-16

Similar Documents

Publication Publication Date Title
GB2114815B (en) Photovoltaic devices and manufacture thereof
IT8048721A0 (it) Perfezionamento negli apparecchi massaggiatori
DE3166687D1 (en) Semiconductor devices and use of said devices
JPS5376034A (en) Cleaning method and device
ES529453A0 (es) Perfeccionamientos en un dispositivo para masajes
DK343884D0 (da) Blande- og emulgeringsapparat
DK398783D0 (da) N-formyl- og n-hydroxymethyl-3-phenoxy-1-azetidincarboxamider
ES538251A0 (es) Perfeccionamientos en un dispositivo para evitar riesgos electricos
MX161296A (es) Mejoras en conjunto de manguera y acoplamiento y metodo para fabricar el mismo
GB1554970A (en) Fluid intake and discharge devices
ES527325A0 (es) Procedimiento y dispositivo para indicar el estado de lineas telefonicas en un aparato telefonico
ES526494A0 (es) Procedimiento y dispositivo para fabricar un articulo hueco
ES536266A0 (es) Dispositivo para recibir y entregar automaticamente dinero
FR2554344B1 (fr) Composition cosmetique a action amincissante et anti-cellulitique
NO831897L (no) Dipolanordning i en hylse
JPS5355891A (en) Device for connecting structure on water and anchor
ES523357A0 (es) Metodo de fabricacion de cierres de cremallera y perfeccionamientos en los aparatos correspondientes
ES523956A0 (es) Mejoras en los aparatos de fabricacion de cierres de cremallera
JPS5750897A (en) Xanthomonas canpestris atcc31601 and use
IT1152787B (it) Dispositivo per formare e trasportare saponette e simili
ES537780A0 (es) Perfeccionamientos en los sistemas para conectar aparatos hidraulicos y similares
IT1083218B (it) Perfezionamento negli apparecchi telefonici
ES530403A0 (es) Perfeccionamientos en los aparatos de direccion de cremallera y pinon con servomando.
JPS5262960A (en) Oil and water separating device
GB8311400D0 (en) Devices in ic engines