BE791353A - Reseau determinateur de frequence - Google Patents
Reseau determinateur de frequenceInfo
- Publication number
- BE791353A BE791353A BE791353DA BE791353A BE 791353 A BE791353 A BE 791353A BE 791353D A BE791353D A BE 791353DA BE 791353 A BE791353 A BE 791353A
- Authority
- BE
- Belgium
- Prior art keywords
- frequency determining
- determining network
- network
- frequency
- determining
- 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
- H04M1/50—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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
- Filters And Equalizers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA133431A CA938345A (en) | 1972-01-28 | 1972-01-28 | Frequency determining network |
Publications (1)
Publication Number | Publication Date |
---|---|
BE791353A true BE791353A (fr) | 1973-03-01 |
Family
ID=4092175
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE791353D BE791353A (fr) | 1972-01-28 | Reseau determinateur de frequence |
Country Status (9)
Country | Link |
---|---|
JP (1) | JPS4885009A (xx) |
AU (1) | AU5112173A (xx) |
BE (1) | BE791353A (xx) |
CA (1) | CA938345A (xx) |
DE (1) | DE2301227A1 (xx) |
FR (1) | FR2169075A1 (xx) |
IL (1) | IL40787A (xx) |
IT (1) | IT973344B (xx) |
NL (1) | NL7217681A (xx) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3011651A1 (de) * | 1980-03-26 | 1981-10-01 | Robert Bosch Gmbh, 7000 Stuttgart | Durchstimmbarer oszillator |
-
0
- BE BE791353D patent/BE791353A/xx unknown
-
1972
- 1972-01-28 CA CA133431A patent/CA938345A/en not_active Expired
- 1972-11-09 IL IL40787A patent/IL40787A/xx unknown
- 1972-12-27 NL NL7217681A patent/NL7217681A/xx unknown
- 1972-12-29 IT IT34047/72A patent/IT973344B/it active
-
1973
- 1973-01-11 DE DE2301227A patent/DE2301227A1/de active Pending
- 1973-01-15 AU AU51121/73A patent/AU5112173A/en not_active Expired
- 1973-01-17 FR FR7301603A patent/FR2169075A1/fr not_active Withdrawn
- 1973-01-23 JP JP48009819A patent/JPS4885009A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
FR2169075A1 (xx) | 1973-09-07 |
JPS4885009A (xx) | 1973-11-12 |
IL40787A (en) | 1975-05-22 |
NL7217681A (xx) | 1973-07-31 |
CA938345A (en) | 1973-12-11 |
AU5112173A (en) | 1974-07-18 |
IL40787A0 (en) | 1973-01-30 |
DE2301227A1 (de) | 1973-08-23 |
IT973344B (it) | 1974-06-10 |
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