BE642619A - - Google Patents
Info
- Publication number
- BE642619A BE642619A BE642619DA BE642619A BE 642619 A BE642619 A BE 642619A BE 642619D A BE642619D A BE 642619DA BE 642619 A BE642619 A BE 642619A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/0004—Selecting arrangements using crossbar selectors in the switching stages
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
- H03K3/26—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
- H03K3/26—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback
- H03K3/28—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback
- H03K3/281—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator
- H03K3/284—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator monostable
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/0008—Selecting arrangements using relay selectors in the switching stages
- H04Q3/0012—Selecting arrangements using relay selectors in the switching stages in which the relays are arranged in a matrix configuration
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR854440A FR1290332A (fr) | 1961-03-03 | 1961-03-03 | Système de sélection pour circuits ou équipements électriques |
| FR882062A FR80796E (fr) | 1961-03-03 | 1961-12-15 | Système de sélection pour circuits ou équipements électriques |
| FR921866A FR83360E (fr) | 1961-03-03 | 1963-01-18 | Système de sélection pour circuits ou équipements électriques |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE642619A true BE642619A (xx) | 1964-07-17 |
Family
ID=27245891
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE632293D BE632293A (xx) | 1961-03-03 | ||
| BE626082D BE626082A (xx) | 1961-03-03 | ||
| BE614594D BE614594A (xx) | 1961-03-03 | ||
| BE642619D BE642619A (xx) | 1961-03-03 | 1964-01-17 |
Family Applications Before (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE632293D BE632293A (xx) | 1961-03-03 | ||
| BE626082D BE626082A (xx) | 1961-03-03 | ||
| BE614594D BE614594A (xx) | 1961-03-03 |
Country Status (9)
| Country | Link |
|---|---|
| US (2) | US3226486A (xx) |
| AT (1) | AT239324B (xx) |
| BE (4) | BE642619A (xx) |
| CH (3) | CH395200A (xx) |
| DE (3) | DE1184384B (xx) |
| FR (4) | FR1290332A (xx) |
| GB (2) | GB946263A (xx) |
| NL (5) | NL143399B (xx) |
| SE (1) | SE330912B (xx) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL231628A (xx) * | 1957-09-26 | |||
| NL292449A (xx) * | 1963-05-07 | |||
| US3336443A (en) * | 1964-02-18 | 1967-08-15 | Int Standard Electric Corp | Pilot network selection systems |
| FR1444711A (fr) * | 1965-02-04 | 1966-07-08 | Schneider Radio Television | Perfectionnements aux modulateurs de durée d'impulsions. convertisseur tensiondurée |
| FR1431902A (fr) * | 1965-02-05 | 1966-03-18 | Materiel Telephonique | Perfectionnements aux systèmes de commutation téléphonique |
| DE1262360B (de) * | 1965-08-14 | 1968-03-07 | Standard Elektrik Lorenz Ag | Verfahren und Schaltungsanordnung zur Steuerung einer mehrstufigen Koppelanordnung in Fernmelde-, insbesondere Fernsprechvermittlungsanlagen |
| US3504131A (en) * | 1967-05-02 | 1970-03-31 | Bell Telephone Labor Inc | Switching network |
| US3666892A (en) * | 1970-05-13 | 1972-05-30 | Itt | Speech gate |
| US5832076A (en) * | 1996-08-07 | 1998-11-03 | Transcrypt International, Inc. | Apparatus and method for determining the presence and polarity of direct current bias voltage for microphones in telephone sets |
| US5838804A (en) * | 1996-08-07 | 1998-11-17 | Transcrypt International, Inc. | Apparatus and method for providing proper microphone DC bias current and load resistance for a telephone |
| US7277767B2 (en) | 1999-12-10 | 2007-10-02 | Srs Labs, Inc. | System and method for enhanced streaming audio |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2170429A (en) * | 1935-09-27 | 1939-08-22 | Rosin Maurice | Telephone system |
| US2252856A (en) * | 1938-02-18 | 1941-08-19 | Fides Gmbh | Telephone system |
| US2333179A (en) * | 1942-05-05 | 1943-11-02 | Bell Telephone Labor Inc | Communication system |
| BE509371A (xx) * | 1951-02-23 | |||
| US2714629A (en) * | 1951-05-19 | 1955-08-02 | Nederlanden Staat | Marking circuit |
| DE1024580B (de) * | 1954-10-05 | 1958-02-20 | Int Standard Electric Corp | Schaltungsanordnung fuer ein Vermittlungssystem |
| NL211642A (xx) * | 1955-11-03 | |||
| DE1015058B (de) * | 1955-11-19 | 1957-09-05 | Siemens Ag | Schaltungsanordnung zur Einstellung der die Sprech- und Pruefadern durchschaltenden Koppelrelais in Fernmelde-, insbesondere in Fernsprechanlagen |
| USRE25139E (en) * | 1955-11-23 | 1962-03-20 | faulkner | |
| BE551612A (xx) * | 1955-12-28 | |||
| US2883470A (en) * | 1956-10-19 | 1959-04-21 | Bell Telephone Labor Inc | Communication switching network |
| BE560633A (xx) * | 1956-12-07 | |||
| BE571163A (xx) * | 1957-09-14 | |||
| NL231628A (xx) * | 1957-09-26 | |||
| FR1212109A (fr) * | 1958-07-26 | 1960-03-22 | Concentrateur de trafic téléphonique | |
| US3157746A (en) * | 1959-12-07 | 1964-11-17 | Bell Telephone Labor Inc | Supervisory circuit for telephone subscriber's line |
| US3102168A (en) * | 1959-12-24 | 1963-08-27 | Bell Telephone Labor Inc | Supervisory circuits for telephone subscriber's line |
| DE1112131B (de) * | 1960-05-14 | 1961-08-03 | Telefonbau | Schaltungsanordnung zur Stillsetzung eines durch einen Impulsgeber fortschaltbaren elektronischen Suchwaehlers |
| US3025356A (en) * | 1960-11-16 | 1962-03-13 | Nippon Electric Co | Automatic telephone exchange subscriber circuit |
| NL272337A (xx) * | 1960-12-23 |
-
0
- NL NL275546D patent/NL275546A/xx unknown
- BE BE632293D patent/BE632293A/xx unknown
- NL NL292834D patent/NL292834A/xx unknown
- BE BE626082D patent/BE626082A/xx unknown
- NL NL286845D patent/NL286845A/xx unknown
- BE BE614594D patent/BE614594A/xx unknown
-
1961
- 1961-03-03 FR FR854440A patent/FR1290332A/fr not_active Expired
- 1961-12-15 FR FR882062A patent/FR80796E/fr not_active Expired
-
1962
- 1962-02-23 GB GB7065/62A patent/GB946263A/en not_active Expired
- 1962-02-28 DE DEJ21362A patent/DE1184384B/de active Pending
- 1962-03-02 CH CH257362A patent/CH395200A/fr unknown
- 1962-03-02 AT AT176462A patent/AT239324B/de active
- 1962-03-05 NL NL62275546A patent/NL143399B/xx unknown
- 1962-03-05 US US177551A patent/US3226486A/en not_active Expired - Lifetime
- 1962-05-16 FR FR897734A patent/FR81650E/fr not_active Expired
- 1962-12-03 US US241737A patent/US3249698A/en not_active Expired - Lifetime
- 1962-12-05 SE SE13090/62A patent/SE330912B/xx unknown
- 1962-12-10 CH CH1444862A patent/CH439408A/fr unknown
- 1962-12-14 DE DE1962J0022846 patent/DE1245436C2/de not_active Expired
-
1963
- 1963-01-18 FR FR921866A patent/FR83360E/fr not_active Expired
- 1963-07-03 DE DEJ24001A patent/DE1198865B/de active Pending
-
1964
- 1964-01-15 CH CH43864A patent/CH414758A/fr unknown
- 1964-01-15 NL NL6400223A patent/NL6400223A/ unknown
- 1964-01-17 BE BE642619D patent/BE642619A/xx unknown
- 1964-01-17 GB GB2175/64A patent/GB1006127A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB946263A (en) | 1964-01-08 |
| US3226486A (en) | 1965-12-28 |
| CH414758A (fr) | 1966-06-15 |
| CH395200A (fr) | 1965-07-15 |
| SE330912B (xx) | 1970-12-07 |
| DE1198865B (de) | 1965-08-19 |
| BE632293A (xx) | |
| CH439408A (fr) | 1967-07-15 |
| BE614594A (xx) | |
| FR81650E (fr) | 1963-10-18 |
| BE626082A (xx) | |
| FR83360E (fr) | 1964-07-31 |
| US3249698A (en) | 1966-05-03 |
| FR80796E (fr) | 1963-06-14 |
| DE1245436B (de) | 1975-01-16 |
| NL6400223A (xx) | 1964-10-26 |
| NL143399B (nl) | 1974-09-16 |
| GB1006127A (en) | 1965-09-29 |
| NL292834A (xx) | |
| DE1184384B (de) | 1964-12-31 |
| FR1290332A (fr) | 1962-04-13 |
| NL286845A (xx) | |
| NL275546A (xx) | |
| DE1245436C2 (de) | 1975-01-16 |
| AT239324B (de) | 1965-03-25 |