ES421280A1 - Perfeccionamientos en sistemas para presentar informacion alfanumerica en telefonos. - Google Patents
Perfeccionamientos en sistemas para presentar informacion alfanumerica en telefonos.Info
- Publication number
- ES421280A1 ES421280A1 ES421280A ES421280A ES421280A1 ES 421280 A1 ES421280 A1 ES 421280A1 ES 421280 A ES421280 A ES 421280A ES 421280 A ES421280 A ES 421280A ES 421280 A1 ES421280 A1 ES 421280A1
- Authority
- ES
- Spain
- Prior art keywords
- telephone
- information display
- electrochromic
- electrochromic information
- alphanumeric
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/57—Arrangements for indicating or recording the number of the calling subscriber at the called subscriber's set
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
- Telephone Set Structure (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US31302672A | 1972-12-07 | 1972-12-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES421280A1 true ES421280A1 (es) | 1976-06-16 |
Family
ID=23214059
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES421280A Expired ES421280A1 (es) | 1972-12-07 | 1973-12-07 | Perfeccionamientos en sistemas para presentar informacion alfanumerica en telefonos. |
Country Status (13)
Country | Link |
---|---|
JP (1) | JPS4990005A (it) |
BE (1) | BE808315A (it) |
BR (1) | BR7309536D0 (it) |
CA (1) | CA999388A (it) |
CH (1) | CH594329A5 (it) |
DD (1) | DD113645A5 (it) |
DE (1) | DE2360171A1 (it) |
ES (1) | ES421280A1 (it) |
FR (1) | FR2210062B1 (it) |
GB (1) | GB1437509A (it) |
IT (1) | IT997616B (it) |
NL (1) | NL7316201A (it) |
SE (1) | SE397913B (it) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3991282A (en) * | 1974-12-27 | 1976-11-09 | Feil Thomas E | Multi station telephone switching system |
DE3713104A1 (de) * | 1987-04-16 | 1988-02-04 | Josef Pollmann | Schaltungsanordnung zur verminderung anonymer anrufe im fernsprechverkehr |
DE3920721A1 (de) * | 1989-06-24 | 1991-01-03 | Standard Elektrik Lorenz Ag | Sprechanlage mit sprechstelle mit datenanzeige |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2032967B2 (de) * | 1970-07-03 | 1971-05-06 | Robert Bosch Elektronik Gmbh, 1000 Berlin Und 7000 Stuttgart | Rufnummerngeber fuer sprechfunkgeraete |
GB1377620A (en) * | 1971-01-12 | 1974-12-18 | American Cyanamid Co | Electronic timepiece |
-
1973
- 1973-11-06 CA CA185,079A patent/CA999388A/en not_active Expired
- 1973-11-22 IT IT5385373A patent/IT997616B/it active
- 1973-11-27 NL NL7316201A patent/NL7316201A/xx not_active Application Discontinuation
- 1973-11-30 FR FR7342791A patent/FR2210062B1/fr not_active Expired
- 1973-12-03 DE DE19732360171 patent/DE2360171A1/de active Pending
- 1973-12-04 SE SE7316377A patent/SE397913B/xx unknown
- 1973-12-05 CH CH1706873A patent/CH594329A5/xx not_active IP Right Cessation
- 1973-12-05 BR BR953673A patent/BR7309536D0/pt unknown
- 1973-12-06 DD DD17515973A patent/DD113645A5/xx unknown
- 1973-12-06 GB GB5669673A patent/GB1437509A/en not_active Expired
- 1973-12-06 BE BE138598A patent/BE808315A/xx unknown
- 1973-12-07 JP JP13626973A patent/JPS4990005A/ja active Pending
- 1973-12-07 ES ES421280A patent/ES421280A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1437509A (en) | 1976-05-26 |
JPS4990005A (it) | 1974-08-28 |
SE397913B (sv) | 1977-11-21 |
DE2360171A1 (de) | 1974-07-11 |
BR7309536D0 (pt) | 1974-08-22 |
BE808315A (fr) | 1974-06-06 |
CH594329A5 (it) | 1978-01-13 |
IT997616B (it) | 1975-12-30 |
NL7316201A (it) | 1974-06-11 |
DD113645A5 (it) | 1975-06-12 |
FR2210062A1 (it) | 1974-07-05 |
CA999388A (en) | 1976-11-02 |
FR2210062B1 (it) | 1977-09-30 |
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