MX148963A - IMPROVEMENTS IN A UNIVERSAL INTERCOMMUNICATION TERMINAL - Google Patents
IMPROVEMENTS IN A UNIVERSAL INTERCOMMUNICATION TERMINALInfo
- Publication number
- MX148963A MX148963A MX186955A MX18695581A MX148963A MX 148963 A MX148963 A MX 148963A MX 186955 A MX186955 A MX 186955A MX 18695581 A MX18695581 A MX 18695581A MX 148963 A MX148963 A MX 148963A
- Authority
- MX
- Mexico
- Prior art keywords
- intercommunication terminal
- universal
- universal intercommunication
- terminal
- intercommunication
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/738—Interface circuits for coupling substations to external telephone lines
- H04M1/7385—Programmable or microprocessor-controlled
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
- Telephone Set Structure (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
- Push-Button Switches (AREA)
- Devices For Supply Of Signal Current (AREA)
- Selective Calling Equipment (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8009471A FR2481031B1 (en) | 1980-04-22 | 1980-04-22 | UNIVERSAL INTERCOMMUNICATION TERMINAL |
Publications (1)
Publication Number | Publication Date |
---|---|
MX148963A true MX148963A (en) | 1983-07-28 |
Family
ID=9241395
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX186955A MX148963A (en) | 1980-04-22 | 1981-04-22 | IMPROVEMENTS IN A UNIVERSAL INTERCOMMUNICATION TERMINAL |
Country Status (13)
Country | Link |
---|---|
JP (1) | JPS56166660A (en) |
BE (1) | BE888436A (en) |
BR (1) | BR8102373A (en) |
DE (1) | DE3115823A1 (en) |
DK (1) | DK177581A (en) |
ES (1) | ES501521A0 (en) |
FR (1) | FR2481031B1 (en) |
GB (1) | GB2084834B (en) |
IE (1) | IE51700B1 (en) |
IT (1) | IT1135773B (en) |
MX (1) | MX148963A (en) |
PT (1) | PT72882B (en) |
SE (1) | SE8102381L (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3214657C2 (en) * | 1982-04-21 | 1985-07-04 | ANT Nachrichtentechnik GmbH, 7150 Backnang | Device for voice and / or data switching and transmission |
FR2529419A1 (en) * | 1982-06-29 | 1983-12-30 | Thomson Csf Mat Tel | UNIVERSAL TELEPHONE STATION WITH CUSTOMIZABLE FUNCTION KEYS |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1512755B2 (en) * | 1967-01-28 | 1971-05-13 | S Siedle & Sohne, Telefon u TeIe grafenwerke GmbH, 7743 Furtwangen | TELEPHONE NUT SPECIAL FRONT PANEL |
CA1018270A (en) * | 1972-05-23 | 1977-09-27 | Federico R. Laliccia | Key telephone system using time division and space division control |
FR2214166B1 (en) * | 1973-01-12 | 1978-05-12 | Serras Paulet Edouard | |
DE2355666A1 (en) * | 1973-11-07 | 1975-05-22 | Standard Elektrik Lorenz Ag | TELEPHONE |
US4046972A (en) * | 1976-10-27 | 1977-09-06 | Bell Telephone Laboratories, Incorporated | Key telephone station set circuit |
JPS5818037B2 (en) * | 1978-01-23 | 1983-04-11 | 株式会社東芝 | button phone |
GB1542558A (en) * | 1977-09-30 | 1979-03-21 | Ibm Uk | Keyboard construction |
JPS5838999B2 (en) * | 1978-06-23 | 1983-08-26 | 株式会社田村電機製作所 | Signal transmission/reception method |
-
1980
- 1980-04-22 FR FR8009471A patent/FR2481031B1/en not_active Expired
-
1981
- 1981-04-10 GB GB8111344A patent/GB2084834B/en not_active Expired
- 1981-04-14 SE SE8102381A patent/SE8102381L/en not_active Application Discontinuation
- 1981-04-15 BE BE0/204496A patent/BE888436A/en not_active IP Right Cessation
- 1981-04-15 BR BR8102373A patent/BR8102373A/en unknown
- 1981-04-15 IE IE854/81A patent/IE51700B1/en unknown
- 1981-04-16 PT PT72882A patent/PT72882B/en unknown
- 1981-04-17 IT IT21273/81A patent/IT1135773B/en active
- 1981-04-18 DE DE19813115823 patent/DE3115823A1/en not_active Ceased
- 1981-04-21 DK DK177581A patent/DK177581A/en not_active Application Discontinuation
- 1981-04-21 JP JP5935881A patent/JPS56166660A/en active Pending
- 1981-04-21 ES ES501521A patent/ES501521A0/en active Granted
- 1981-04-22 MX MX186955A patent/MX148963A/en unknown
Also Published As
Publication number | Publication date |
---|---|
ES8202999A1 (en) | 1982-02-01 |
PT72882B (en) | 1982-03-29 |
BE888436A (en) | 1981-07-31 |
GB2084834B (en) | 1984-04-11 |
DK177581A (en) | 1981-10-23 |
IT1135773B (en) | 1986-08-27 |
SE8102381L (en) | 1981-10-23 |
JPS56166660A (en) | 1981-12-21 |
GB2084834A (en) | 1982-04-15 |
FR2481031B1 (en) | 1988-06-10 |
FR2481031A1 (en) | 1981-10-23 |
IE51700B1 (en) | 1987-02-18 |
PT72882A (en) | 1981-05-01 |
IE810854L (en) | 1981-10-22 |
IT8121273A0 (en) | 1981-04-17 |
ES501521A0 (en) | 1982-02-01 |
DE3115823A1 (en) | 1982-04-15 |
BR8102373A (en) | 1981-12-22 |
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