IT1129863B - Dispositivo visualizzatore di simboli impiegati nella tecnica telefonica - Google Patents
Dispositivo visualizzatore di simboli impiegati nella tecnica telefonicaInfo
- Publication number
- IT1129863B IT1129863B IT68756/80A IT6875680A IT1129863B IT 1129863 B IT1129863 B IT 1129863B IT 68756/80 A IT68756/80 A IT 68756/80A IT 6875680 A IT6875680 A IT 6875680A IT 1129863 B IT1129863 B IT 1129863B
- Authority
- IT
- Italy
- Prior art keywords
- display device
- symbol display
- device used
- telephone technique
- telephone
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/247—Telephone sets including user guidance or feature selection means facilitating their use
-
- 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
- H04M1/23—Construction or mounting of dials or of equivalent devices; Means for facilitating the use thereof
-
- 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
- H04M1/02—Constructional features of telephone sets
- H04M1/0295—Mechanical mounting details of display modules
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Human Computer Interaction (AREA)
- Telephone Set Structure (AREA)
- Audible And Visible Signals (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2949499A DE2949499C2 (de) | 1979-12-08 | 1979-12-08 | Anzeigeeinrichtung für Symbole der Fernsprechtechnik |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8068756A0 IT8068756A0 (it) | 1980-11-17 |
IT1129863B true IT1129863B (it) | 1986-06-11 |
Family
ID=6087969
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT8053677U IT8053677V0 (it) | 1979-12-08 | 1980-11-17 | Dispositivo visualizzatore di simboli impiegati nella tecnica telefonica |
IT68756/80A IT1129863B (it) | 1979-12-08 | 1980-11-17 | Dispositivo visualizzatore di simboli impiegati nella tecnica telefonica |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT8053677U IT8053677V0 (it) | 1979-12-08 | 1980-11-17 | Dispositivo visualizzatore di simboli impiegati nella tecnica telefonica |
Country Status (6)
Country | Link |
---|---|
US (1) | US4352959A (it) |
AU (1) | AU537161B2 (it) |
DE (1) | DE2949499C2 (it) |
GB (1) | GB2066025B (it) |
IT (2) | IT8053677V0 (it) |
NL (1) | NL8006037A (it) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4489310A (en) * | 1982-05-28 | 1984-12-18 | At&T Technologies, Inc. | Time slot-controlling circuit for keyboard switch module, and apparatus incorporating same |
GB2126855B (en) * | 1982-09-09 | 1986-04-23 | Link Electronics Ltd | Focus correction |
US4551717A (en) * | 1982-11-10 | 1985-11-05 | Recognition Equipment Incorporated | Intelligent key display |
CA1188831A (en) * | 1982-12-14 | 1985-06-11 | Mitel Corporation | Telephone indicator |
US4633227A (en) * | 1983-12-07 | 1986-12-30 | Itt Corporation | Programmable keyboard for a typewriter or similar article |
GB2154393A (en) * | 1984-02-16 | 1985-09-04 | Standard Telephones Cables Ltd | Telephone subscriber's apparatus |
US4653094A (en) * | 1985-03-19 | 1987-03-24 | Rasmussen Harry R | Telephone set line status display |
JPH0568124A (ja) * | 1991-09-09 | 1993-03-19 | Hitachi Ltd | 通信装置 |
US5867149A (en) * | 1995-08-14 | 1999-02-02 | Intertactile Technologies Corporation | Switch key image display and operator/circuit interface |
JP3342445B2 (ja) * | 1999-08-30 | 2002-11-11 | ポリマテック株式会社 | 加飾キートップおよびその製造方法 |
US6798359B1 (en) * | 2000-10-17 | 2004-09-28 | Swedish Keys Llc | Control unit with variable visual indicator |
US20030058223A1 (en) * | 2001-09-21 | 2003-03-27 | Tracy James L. | Adaptable keypad and button mechanism therefor |
CA2605455A1 (en) * | 2005-04-18 | 2006-10-26 | United Keys, Inc. | Display-equipped key, key assembly |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3132211A (en) * | 1960-06-13 | 1964-05-05 | North Electric Co | Dial light for telephone substation set |
DE2054318A1 (de) * | 1970-11-04 | 1972-05-10 | Siemens Ag | Datenanzeige an Fernsprechgeraten mit Drucktastenwahlsystem |
DE2318185A1 (de) * | 1973-04-11 | 1974-10-31 | Telefonbau & Normalzeit Gmbh | Anzeigevorrichtung fuer fernsprechapparate |
US3943288A (en) * | 1973-10-23 | 1976-03-09 | Edgar D. Young | Telephone incorporating binary coded decimal time display |
US4078257A (en) * | 1976-08-23 | 1978-03-07 | Hewlett-Packard Company | Calculator apparatus with electronically alterable key symbols |
US4046972A (en) * | 1976-10-27 | 1977-09-06 | Bell Telephone Laboratories, Incorporated | Key telephone station set circuit |
US4169217A (en) * | 1978-02-27 | 1979-09-25 | Northern Telecom Limited | Line status apparatus for telephones |
-
1979
- 1979-12-08 DE DE2949499A patent/DE2949499C2/de not_active Expired
-
1980
- 1980-11-05 NL NL8006037A patent/NL8006037A/nl not_active Application Discontinuation
- 1980-11-17 IT IT8053677U patent/IT8053677V0/it unknown
- 1980-11-17 IT IT68756/80A patent/IT1129863B/it active
- 1980-11-18 GB GB8036998A patent/GB2066025B/en not_active Expired
- 1980-11-20 US US06/208,644 patent/US4352959A/en not_active Expired - Lifetime
- 1980-11-20 AU AU64568/80A patent/AU537161B2/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
GB2066025B (en) | 1984-03-21 |
GB2066025A (en) | 1981-07-01 |
NL8006037A (nl) | 1981-07-01 |
IT8053677V0 (it) | 1980-11-17 |
DE2949499C2 (de) | 1982-06-03 |
DE2949499A1 (de) | 1981-06-11 |
US4352959A (en) | 1982-10-05 |
IT8068756A0 (it) | 1980-11-17 |
AU6456880A (en) | 1981-06-18 |
AU537161B2 (en) | 1984-06-14 |
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