ES8407638A1 - 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 telefonicoInfo
- Publication number
- ES8407638A1 ES8407638A1 ES527325A ES527325A ES8407638A1 ES 8407638 A1 ES8407638 A1 ES 8407638A1 ES 527325 A ES527325 A ES 527325A ES 527325 A ES527325 A ES 527325A ES 8407638 A1 ES8407638 A1 ES 8407638A1
- Authority
- ES
- Spain
- Prior art keywords
- indicator
- status
- displaying
- called
- line
- 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
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)
Abstract
PROCEDIMIENTO Y DISPOSITIVO PARA INDICAR EL ESTADO DE LINEAS TELEFONICAS EN UN APARATO TELEFONICO.EL PROCEDIMIENTO CONSISTE EN REPRESENTAR DE UNA FORMA VISUAL, POR LA TONALIDAD DE UN PRIMER INDICADOR EN EL APARATO TELEFONICO LOCAL, EL ESTADO DE LA LINEA CONSTITUIDA POR EL APARATO TELEFONICO LOCAL, Y EN REPRESENTAR DE UNA FORMA VISUAL, POR LA TONALIDAD DE UN SEGUNDO INDICADOR EN EL MISMO APARATO TELEFONICO, EL ESTADO DE LA LINEA CONTROLADA POR OTRO APARATO TELEFONICO CONECTADO POR LA MISMA LINEA.
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 |
---|---|
ES527325A0 ES527325A0 (es) | 1984-09-16 |
ES8407638A1 true ES8407638A1 (es) | 1984-09-16 |
Family
ID=4124148
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES527325A Expired ES8407638A1 (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) | ES8407638A1 (es) |
FR (1) | FR2537820A1 (es) |
GB (1) | GB2132054B (es) |
IT (1) | IT1163425B (es) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3881724T2 (de) * | 1987-02-10 | 1993-11-11 | Canon Kk | Kommunikationssystem. |
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)
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 |
-
1982
- 1982-12-14 CA CA000417653A patent/CA1188831A/en not_active Expired
-
1983
- 1983-05-31 IT IT21387/83A patent/IT1163425B/it active
- 1983-10-01 DE DE19833335774 patent/DE3335774A1/de active Granted
- 1983-10-03 FR FR8315833A patent/FR2537820A1/fr active Pending
- 1983-10-13 GB GB08327457A patent/GB2132054B/en not_active Expired
- 1983-10-14 JP JP58193335A patent/JPS59115695A/ja active Pending
- 1983-10-14 US US06/542,038 patent/US4544808A/en not_active Expired - Lifetime
- 1983-11-16 ES ES527325A patent/ES8407638A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE3335774C2 (es) | 1987-10-22 |
GB2132054A (en) | 1984-06-27 |
US4544808A (en) | 1985-10-01 |
ES527325A0 (es) | 1984-09-16 |
GB2132054B (en) | 1986-12-17 |
DE3335774A1 (de) | 1984-06-14 |
IT8321387A0 (it) | 1983-05-31 |
IT1163425B (it) | 1987-04-08 |
CA1188831A (en) | 1985-06-11 |
GB8327457D0 (en) | 1983-11-16 |
FR2537820A1 (fr) | 1984-06-15 |
JPS59115695A (ja) | 1984-07-04 |
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