BE847657A - Dispositif de numerotation a multifrequences pour poste telephonique a clavier a touches, - Google Patents
Dispositif de numerotation a multifrequences pour poste telephonique a clavier a touches,Info
- Publication number
- BE847657A BE847657A BE171808A BE171808A BE847657A BE 847657 A BE847657 A BE 847657A BE 171808 A BE171808 A BE 171808A BE 171808 A BE171808 A BE 171808A BE 847657 A BE847657 A BE 847657A
- Authority
- BE
- Belgium
- Prior art keywords
- numbering device
- frequency numbering
- telephone settings
- keypad telephone
- keypad
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/23—Construction or mounting of dials or of equivalent devices; Means for facilitating the use thereof
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Telephone Set Structure (AREA)
- Push-Button Switches (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7538739A FR2336012A1 (fr) | 1975-12-17 | 1975-12-17 | Dispositif de numerotation a multifrequences pour poste telephonique a clavier a touches |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE847657A true BE847657A (fr) | 1977-02-14 |
Family
ID=9163864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE171808A BE847657A (fr) | 1975-12-17 | 1976-10-26 | Dispositif de numerotation a multifrequences pour poste telephonique a clavier a touches, |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4071715A (fr) |
| BE (1) | BE847657A (fr) |
| DE (1) | DE2651409A1 (fr) |
| FR (1) | FR2336012A1 (fr) |
| GB (1) | GB1531299A (fr) |
| IT (1) | IT1070672B (fr) |
| NL (1) | NL7613028A (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE7701358L (sv) * | 1977-02-08 | 1978-08-09 | Rca Corp | Kontaktslid ingaende i knappsaken hos en telefonapparat |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL242116A (fr) * | 1958-11-03 | |||
| DE1205587B (de) * | 1963-09-20 | 1965-11-25 | Siemens Ag | Tastenwahleinrichtung fuer Fernsprechanlagen |
| CH514925A (de) * | 1970-06-17 | 1971-10-31 | Holzer Patent Ag | Aneinanderreihbarer Drucktastenschalter |
| US3896283A (en) * | 1971-09-01 | 1975-07-22 | Syndyne Corp | Two-stage push button switch |
| US3731032A (en) * | 1971-10-28 | 1973-05-01 | Us Controls Corp | Electrical switch with contact wiping |
| IT972200B (it) * | 1972-10-16 | 1974-05-20 | Sits Soc It Telecom Siemens | Tastiera per un dispositivo di se lezione per sistemi di telecomuni cazioni |
-
1975
- 1975-12-17 FR FR7538739A patent/FR2336012A1/fr active Granted
-
1976
- 1976-10-26 BE BE171808A patent/BE847657A/fr unknown
- 1976-10-29 GB GB45194/76A patent/GB1531299A/en not_active Expired
- 1976-11-01 US US05/737,557 patent/US4071715A/en not_active Expired - Lifetime
- 1976-11-11 DE DE19762651409 patent/DE2651409A1/de not_active Withdrawn
- 1976-11-23 NL NL7613028A patent/NL7613028A/xx not_active Application Discontinuation
- 1976-12-06 IT IT84148/76A patent/IT1070672B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| IT1070672B (it) | 1985-04-02 |
| DE2651409A1 (de) | 1977-06-30 |
| GB1531299A (en) | 1978-11-08 |
| NL7613028A (nl) | 1977-06-21 |
| FR2336012A1 (fr) | 1977-07-15 |
| FR2336012B1 (fr) | 1979-10-05 |
| US4071715A (en) | 1978-01-31 |
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