GR60837B - Keyboard decade digital dial - Google Patents
Keyboard decade digital dialInfo
- Publication number
- GR60837B GR60837B GR51338A GR760151338A GR60837B GR 60837 B GR60837 B GR 60837B GR 51338 A GR51338 A GR 51338A GR 760151338 A GR760151338 A GR 760151338A GR 60837 B GR60837 B GR 60837B
- Authority
- GR
- Greece
- Prior art keywords
- keyboard
- digital dial
- decade
- decade digital
- dial
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/26—Devices for calling a subscriber
- H04M1/30—Devices which can set up and transmit only one digit at a time
- H04M1/31—Devices which can set up and transmit only one digit at a time by interrupting current to generate trains of pulses; by periodically opening and closing contacts to generate trains of pulses
- H04M1/312—Devices which can set up and transmit only one digit at a time by interrupting current to generate trains of pulses; by periodically opening and closing contacts to generate trains of pulses pulses produced by electronic circuits
-
- 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
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/56—Arrangements for indicating or recording the called number at the calling subscriber's set
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/26—Devices for calling a subscriber
- H04M1/27—Devices whereby a plurality of signals may be stored simultaneously
- H04M1/274—Devices whereby a plurality of signals may be stored simultaneously with provision for storing more than one subscriber number at a time, e.g. using toothed disc
- H04M1/2745—Devices whereby a plurality of signals may be stored simultaneously with provision for storing more than one subscriber number at a time, e.g. using toothed disc using static electronic memories, e.g. chips
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Telephone Set Structure (AREA)
- Devices For Supply Of Signal Current (AREA)
- Push-Button Switches (AREA)
- Prepayment Telephone Systems (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT6207575A IT1033635B (it) | 1975-07-25 | 1975-07-25 | Disco combinatore telefonico elettronico a comando digitale |
| IT6267575A IT1067109B (it) | 1975-09-25 | 1975-09-25 | Visualizzatore digitale del numero telefonico |
| IT4892576A IT1062576B (it) | 1976-04-08 | 1976-04-08 | Disco combinatore telefonico elettronico a comando digitale |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GR60837B true GR60837B (en) | 1978-08-31 |
Family
ID=27273684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GR51338A GR60837B (en) | 1975-07-25 | 1976-07-24 | Keyboard decade digital dial |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US4267409A (enExample) |
| JP (1) | JPS5234603A (enExample) |
| DD (1) | DD125368A5 (enExample) |
| DE (1) | DE2633419B2 (enExample) |
| ES (1) | ES450119A1 (enExample) |
| FR (1) | FR2319255A1 (enExample) |
| GB (1) | GB1560292A (enExample) |
| GR (1) | GR60837B (enExample) |
| NL (1) | NL7608226A (enExample) |
| SE (1) | SE7608076L (enExample) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DK480378A (da) * | 1978-01-04 | 1979-07-05 | Soundic Electronics Ltd | Telefon |
| DE2936575C2 (de) * | 1979-09-11 | 1982-05-13 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Schaltungsanordnung für einen Fernsprechapparat. |
| DE3011617C2 (de) * | 1980-03-26 | 1984-12-13 | Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt | Schaltungsanordnung zur Durchführung von Wahlvorgängen in Fernsprechvermittlungsanlagen |
| DE3112475A1 (de) * | 1981-03-26 | 1983-02-10 | Heinrich-Hertz-Institut für Nachrichtentechnik Berlin GmbH, 1000 Berlin | Fernsprechapparat |
| DE3119080C2 (de) * | 1981-05-14 | 1985-12-12 | Neumann Elektronik GmbH, 4330 Mülheim | Automatischer Anrufbeantworter |
| JPS58111550A (ja) * | 1981-12-25 | 1983-07-02 | Toshiba Corp | 電話機 |
| US4555597A (en) * | 1983-12-05 | 1985-11-26 | Gte Business Communication Systems Inc. | Transient resistant key operated pulse generating calling device circuit |
| DE3405012C2 (de) * | 1984-02-13 | 1989-09-21 | Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt | Verfahren zur Rufnummerneingabe an einem Bedienplatz oder an einem Endgerät mit einer Wähltastatur und einer Anzeigeeinrichtung |
| GB2315950A (en) * | 1996-07-30 | 1998-02-11 | Holtek Microelectronics Inc | Multi-function telephone indicating device |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3489860A (en) * | 1966-06-30 | 1970-01-13 | Bell Telephone Labor Inc | Remote telephone on-hook,off-hook control |
| DE2032967B2 (de) * | 1970-07-03 | 1971-05-06 | Robert Bosch Elektronik Gmbh, 1000 Berlin Und 7000 Stuttgart | Rufnummerngeber fuer sprechfunkgeraete |
| DE2258839B2 (de) * | 1972-12-01 | 1974-12-12 | Bosse Telefonbau Gmbh, 1000 Berlin | Schaltungsanordnung zum Erzeugen von seriellen Gleichstromimpulsen auf Fernmeldeleitungen |
| US3956596A (en) * | 1973-04-10 | 1976-05-11 | The General Electric Company Limited | Circuit arrangements in telephone apparatus |
| US3932709A (en) * | 1973-04-16 | 1976-01-13 | General Teletronics Incorporated | Electronic business telephone |
| AT339382B (de) * | 1973-04-30 | 1977-10-10 | Deutsche Fernsprecher Gmbh | Tastwahl-nummernschalter |
| SE386341B (sv) * | 1974-03-29 | 1976-08-02 | Ericsson Telefon Ab L M | Kopplingsanordning vid en telefonapparat innefattande en likspenningsomvandlare. |
| GB1505253A (en) * | 1974-04-30 | 1978-03-30 | Gen Electric | Telephone apparatus |
| CH580370A5 (enExample) * | 1974-05-20 | 1976-09-30 | Stoppani Sa | |
| US4008380A (en) * | 1975-06-30 | 1977-02-15 | Rood Tool Co. | Telephone conversion unit with multiple memory system |
-
1976
- 1976-07-15 SE SE7608076A patent/SE7608076L/xx unknown
- 1976-07-23 FR FR7622514A patent/FR2319255A1/fr active Granted
- 1976-07-23 GB GB30907/76A patent/GB1560292A/en not_active Expired
- 1976-07-23 NL NL7608226A patent/NL7608226A/xx not_active Application Discontinuation
- 1976-07-23 DD DD194034A patent/DD125368A5/xx unknown
- 1976-07-23 ES ES450119A patent/ES450119A1/es not_active Expired
- 1976-07-24 GR GR51338A patent/GR60837B/el unknown
- 1976-07-24 DE DE2633419A patent/DE2633419B2/de not_active Withdrawn
- 1976-07-26 JP JP51088971A patent/JPS5234603A/ja active Pending
-
1979
- 1979-02-09 US US06/010,986 patent/US4267409A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5234603A (en) | 1977-03-16 |
| FR2319255A1 (fr) | 1977-02-18 |
| NL7608226A (nl) | 1977-01-27 |
| US4267409A (en) | 1981-05-12 |
| DD125368A5 (enExample) | 1977-04-13 |
| DE2633419A1 (de) | 1977-06-23 |
| SE7608076L (sv) | 1977-01-26 |
| DE2633419B2 (de) | 1982-03-25 |
| FR2319255B1 (enExample) | 1979-06-22 |
| ES450119A1 (es) | 1977-11-16 |
| GB1560292A (en) | 1980-02-06 |
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