FI42107B - - Google Patents
Info
- Publication number
- FI42107B FI42107B FI1643/65A FI164365A FI42107B FI 42107 B FI42107 B FI 42107B FI 1643/65 A FI1643/65 A FI 1643/65A FI 164365 A FI164365 A FI 164365A FI 42107 B FI42107 B FI 42107B
- Authority
- FI
- Finland
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
-
- 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
- H04M1/50—Devices which can set up and transmit only one digit at a time by generating or selecting currents of predetermined frequencies or combinations of frequencies
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Telephonic Communication Services (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
- Telephone Function (AREA)
- Interface Circuits In Exchanges (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEST22384A DE1201417B (de) | 1964-07-10 | 1964-07-10 | Tonfrequentes Tastwahlverfahren ohne Gleichstrom-Wahlbegleitzeichen in Fernmelde-, insbesondere Fernsprechanlagen und Schaltungsanordnung zur Durchfuehrung des Verfahrens |
| DE1236598 | 1964-12-08 | ||
| DEST23048A DE1236598B (de) | 1964-07-10 | 1964-12-08 | Tonfrequentes Tastwahlverfahren mit erneuter Anschaltung eines Registers bei bestehender Verbindung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FI42107B true FI42107B (fi) | 1970-02-02 |
Family
ID=27180474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI1643/65A FI42107B (fi) | 1964-07-10 | 1965-07-09 |
Country Status (10)
| Country | Link |
|---|---|
| US (2) | US3454726A (fi) |
| BE (2) | BE666711A (fi) |
| CH (2) | CH427923A (fi) |
| DE (2) | DE1201417B (fi) |
| DK (1) | DK119930B (fi) |
| FI (1) | FI42107B (fi) |
| FR (2) | FR1439664A (fi) |
| GB (2) | GB1091576A (fi) |
| NL (2) | NL6508853A (fi) |
| SE (1) | SE312155B (fi) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1537837B1 (de) * | 1967-09-28 | 1970-11-12 | Siemens Ag | Schaltungsanordnung fuer frequenzselektive Waehlkennzeichenempfaenger in Fernmelde-,insbesondere Fernsprechanlagen |
| US3665489A (en) * | 1969-06-06 | 1972-05-23 | Ericsson Telefon Ab L M | Telephone instrument for voice frequency choice of number |
| US3911223A (en) * | 1971-12-02 | 1975-10-07 | Siemens Ag | Circuit arrangement for subscriber stations in telecommunications installations, especially telephone installations with auxiliary data traffic |
| GB1395577A (en) * | 1972-05-11 | 1975-05-29 | Standard Telephones Cables Ltd | Telephones |
| JPS5012913A (fi) * | 1973-06-04 | 1975-02-10 | ||
| NL7402574A (nl) * | 1974-02-26 | 1975-08-28 | Philips Nv | Schakeling voor een toondruktoetskeuzetelefoon- toestel. |
| AT379478B (de) * | 1978-04-15 | 1986-01-10 | Telefonbau & Normalzeit Gmbh | Schaltungsanordnung fuer teilnehmerapparate in fernsprechnebenstellenanlagen mit tonfrequenter tastwahl |
| US4516781A (en) * | 1982-11-17 | 1985-05-14 | Industrial Design Electronic Associates, Inc. | Dart game with two microcomputers |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1221166A (en) * | 1916-04-26 | 1917-04-03 | Western Electric Co | Telephone-exchange system. |
| US2332290A (en) * | 1942-08-04 | 1943-10-19 | Bell Telephone Labor Inc | Communication system |
| BE559221A (fi) * | 1956-07-26 | |||
| BE565636A (fi) * | 1957-03-14 | |||
| NL215381A (fi) * | 1957-03-14 | |||
| CH392630A (de) * | 1962-02-20 | 1965-05-31 | Autophon Ag | Schaltungsanordnung für Telephonteilnehmerstationen zur Erzeugung von je mindestens eine Tonfrequenz enthaltenden Wahlkriterien |
-
1964
- 1964-07-10 DE DEST22384A patent/DE1201417B/de active Pending
- 1964-12-08 DE DEST23048A patent/DE1236598B/de active Pending
-
1965
- 1965-06-25 DK DK323165AA patent/DK119930B/da unknown
- 1965-06-30 US US468409A patent/US3454726A/en not_active Expired - Lifetime
- 1965-07-07 SE SE8932/65A patent/SE312155B/xx unknown
- 1965-07-08 CH CH961265A patent/CH427923A/de unknown
- 1965-07-09 FR FR24084A patent/FR1439664A/fr not_active Expired
- 1965-07-09 FI FI1643/65A patent/FI42107B/fi active
- 1965-07-09 GB GB29207/65A patent/GB1091576A/en not_active Expired
- 1965-07-09 NL NL6508853A patent/NL6508853A/xx unknown
- 1965-07-12 BE BE666711D patent/BE666711A/xx unknown
- 1965-12-01 US US510766A patent/US3496302A/en not_active Expired - Lifetime
- 1965-12-02 GB GB51168/65A patent/GB1085938A/en not_active Expired
- 1965-12-02 NL NL6515649A patent/NL6515649A/xx unknown
- 1965-12-03 CH CH1673965A patent/CH437438A/de unknown
- 1965-12-03 FR FR40831A patent/FR89093E/fr not_active Expired
- 1965-12-08 BE BE673410D patent/BE673410A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1236598B (de) | 1967-03-16 |
| FR1439664A (fr) | 1966-05-20 |
| FR89093E (fr) | 1967-05-05 |
| CH427923A (de) | 1967-01-15 |
| NL6508853A (fi) | 1966-01-11 |
| US3454726A (en) | 1969-07-08 |
| NL6515649A (fi) | 1966-06-09 |
| GB1091576A (en) | 1967-11-22 |
| DK119930B (da) | 1971-03-15 |
| GB1085938A (en) | 1967-10-04 |
| BE673410A (fi) | 1966-06-08 |
| SE312155B (fi) | 1969-07-07 |
| BE666711A (fi) | 1966-01-12 |
| US3496302A (en) | 1970-02-17 |
| DE1201417B (de) | 1965-09-23 |
| CH437438A (de) | 1967-06-15 |