AT376089B - CIRCUIT FOR TELECOMMUNICATION, ESPECIALLY TELEPHONE PARTICIPANTS, AND TRANSMISSIONS WITH IMPULSE GIVING CONTROL - Google Patents
CIRCUIT FOR TELECOMMUNICATION, ESPECIALLY TELEPHONE PARTICIPANTS, AND TRANSMISSIONS WITH IMPULSE GIVING CONTROLInfo
- Publication number
- AT376089B AT376089B AT376089DA AT376089B AT 376089 B AT376089 B AT 376089B AT 376089D A AT376089D A AT 376089DA AT 376089 B AT376089 B AT 376089B
- Authority
- AT
- Austria
- Prior art keywords
- telecommunication
- transmissions
- circuit
- giving control
- especially 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
- H04M1/26—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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Devices For Supply Of Signal Current (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT677778A ATA677778A (en) | 1978-09-20 | 1978-09-20 | CIRCUIT FOR TELECOMMUNICATION, ESPECIALLY TELEPHONE PARTICIPANTS, AND TRANSMISSIONS WITH IMPULSE GIVING CONTROL |
Publications (1)
Publication Number | Publication Date |
---|---|
AT376089B true AT376089B (en) | 1984-10-10 |
Family
ID=3589656
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT376089D AT376089B (en) | 1978-09-20 | 1978-09-20 | CIRCUIT FOR TELECOMMUNICATION, ESPECIALLY TELEPHONE PARTICIPANTS, AND TRANSMISSIONS WITH IMPULSE GIVING CONTROL |
AT677778A ATA677778A (en) | 1978-09-20 | 1978-09-20 | CIRCUIT FOR TELECOMMUNICATION, ESPECIALLY TELEPHONE PARTICIPANTS, AND TRANSMISSIONS WITH IMPULSE GIVING CONTROL |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT677778A ATA677778A (en) | 1978-09-20 | 1978-09-20 | CIRCUIT FOR TELECOMMUNICATION, ESPECIALLY TELEPHONE PARTICIPANTS, AND TRANSMISSIONS WITH IMPULSE GIVING CONTROL |
Country Status (2)
Country | Link |
---|---|
AT (2) | AT376089B (en) |
DE (1) | DE2917867A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1136783A (en) * | 1980-09-23 | 1982-11-30 | Guy J. Chaput | Telephone circuit |
FR2520569B1 (en) * | 1982-01-27 | 1986-08-14 | Anep | ELECTRONIC TELEPHONE KEYBOARD FOR REPLACING A DIAL OF AN EXISTING STATION |
DE3544394A1 (en) * | 1985-12-16 | 1987-06-19 | Philips Patentverwaltung | Circuit arrangement for polarity-independent dial pulse generation in a subscriber device |
WO1988008234A1 (en) * | 1987-04-09 | 1988-10-20 | Standard Telephones And Cables Pty. Ltd. | Telephone subset circuit arrangement |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1347929A (en) * | 1972-02-17 | 1974-02-27 | Standard Telephones Cables Ltd | Telephone subscribers instruments |
DE2216099A1 (en) * | 1972-04-01 | 1973-10-04 | Telefonbau & Normalzeit Gmbh | CIRCUIT ARRANGEMENT FOR ELECTRONIC DIAL CHARACTERISTICS INTO REMOTE SIGNALING SYSTEMS |
CH544461A (en) * | 1972-06-29 | 1973-11-15 | Autophon Ag | Telephone subscriber station for generating series of pulses preselected using a keyboard |
DE2411377C3 (en) * | 1974-03-09 | 1980-04-30 | Deutsche Itt Industries Gmbh, 7800 Freiburg | Circuit arrangement for a telephone with a keypad |
-
1978
- 1978-09-20 AT AT376089D patent/AT376089B/en not_active IP Right Cessation
- 1978-09-20 AT AT677778A patent/ATA677778A/en unknown
-
1979
- 1979-05-03 DE DE19792917867 patent/DE2917867A1/en active Granted
Also Published As
Publication number | Publication date |
---|---|
DE2917867C2 (en) | 1988-04-07 |
DE2917867A1 (en) | 1980-04-03 |
ATA677778A (en) | 1984-02-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ATA127678A (en) | INTERFACE DEVICE, IN PARTICULAR SUBSCRIBER CIRCUIT FOR REMOTE SPEAKER SYSTEMS | |
DE3586627D1 (en) | DIGITAL INTEGRATED MULTI-PURPOSE CIRCUIT FOR TRANSMISSION AND CONTROL NETWORK. | |
DK137883D0 (en) | PHONE CALL CIRCUIT FOR QUICK DUPLEX DATA TRANSMISSION | |
NL7804355A (en) | AUTOMATIC TELEPHONE DIALER. | |
NL7807905A (en) | TELEPHONE SET. | |
JPS5561167A (en) | Digital conference telephone circuit | |
IT1206690B (en) | WIRELESS TELEPHONE TRANSMISSION EQUIPMENT. | |
ZA792960B (en) | An indirectly controlled telecommunications exchange with time channel connection paths led via time channel couplers,in particular,telephone systems | |
PH16521A (en) | Integrated telephone transmission and switching system | |
NL189277C (en) | INTEGRATED SWITCHING AND TRANSMISSION NETWORK. | |
IT8019651A0 (en) | INTEGRAL TELEPHONE AND HANDSET. | |
GB2016869B (en) | Telephone station with automatic switchover between pulse code dialling and multifreguency code dialling | |
ATA451281A (en) | CIRCUIT ARRANGEMENT FOR TWO-WIRE-FOUR-WIRE CONVERSION, IN PARTICULAR SUBSCRIBER CONNECTION | |
DE3381983D1 (en) | TELEPHONE CONTROL. | |
AT376089B (en) | CIRCUIT FOR TELECOMMUNICATION, ESPECIALLY TELEPHONE PARTICIPANTS, AND TRANSMISSIONS WITH IMPULSE GIVING CONTROL | |
ES504267A0 (en) | PERFECTED HYDROMECHANICAL TRANSMISSION | |
NL7808619A (en) | TIME MULTIPLEX SWITCHING SYSTEM, IN PARTICULAR PCM TELEPHONE SWITCHING SYSTEM WITH DOUBLE-APPLIED COUPLING FIELD DEVICES. | |
DE3578697D1 (en) | TELEPHONE HANDSET. | |
ATE4403T1 (en) | DIGITAL TELECOMMUNICATIONS SYSTEM WITH AT LEAST ONE FOUR-WIRE LINE LEG. | |
ZA816703B (en) | Telephone subscriber connection circuits | |
AU4082978A (en) | Telephone party line control circuit | |
BE873281A (en) | IMPROVEMENTS IN AUTOMATIC TELECOMMUNICATIONS SYSTEMS | |
BE896133A (en) | TELEPHONE CONFERENCE CIRCUIT | |
AT385379B (en) | CIRCUIT ARRANGEMENT FOR CONTROLLING THE PERFORMANCE TESTS ON PERIPHERAL CONNECTING UNITS IN A TELECOMMUNICATION SYSTEM, IN PARTICULAR TELEPHONE SYSTEM | |
NL7714104A (en) | TELEPHONE CONFERENCE DEVICE. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ELJ | Ceased due to non-payment of the annual fee |