LU65846A1 - DEVICE FOR USE IN TELEPHONE AND TELEGRAPH SYSTEMS FOR TRANSMISSION OF CURRENT CURRENT - Google Patents
DEVICE FOR USE IN TELEPHONE AND TELEGRAPH SYSTEMS FOR TRANSMISSION OF CURRENT CURRENTInfo
- Publication number
- LU65846A1 LU65846A1 LU65846A LU65846A LU65846A1 LU 65846 A1 LU65846 A1 LU 65846A1 LU 65846 A LU65846 A LU 65846A LU 65846 A LU65846 A LU 65846A LU 65846 A1 LU65846 A1 LU 65846A1
- Authority
- LU
- Luxembourg
- Prior art keywords
- current
- telephone
- transmission
- telegraph systems
- telegraph
- 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
- H04M1/27—Devices whereby a plurality of signals may be stored simultaneously
- H04M1/274—Devices whereby a plurality of signals may be stored simultaneously with provision for storing more than one subscriber number at a time, e.g. using toothed disc
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Input From Keyboards Or The Like (AREA)
- Keying Circuit Devices (AREA)
- Switches With Compound Operations (AREA)
- Telephone Set Structure (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2142870A DE2142870C3 (en) | 1971-08-27 | 1971-08-27 | Device for the automatic transmission of dialing pulses in telephone or teleprinter systems |
Publications (1)
Publication Number | Publication Date |
---|---|
LU65846A1 true LU65846A1 (en) | 1973-01-15 |
Family
ID=5817896
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
LU65846A LU65846A1 (en) | 1971-08-27 | 1972-08-03 | DEVICE FOR USE IN TELEPHONE AND TELEGRAPH SYSTEMS FOR TRANSMISSION OF CURRENT CURRENT |
Country Status (11)
Country | Link |
---|---|
US (1) | US3789394A (en) |
JP (1) | JPS4832408A (en) |
AT (1) | AT325681B (en) |
AU (1) | AU4599372A (en) |
BE (1) | BE788023A (en) |
CH (1) | CH548713A (en) |
DE (1) | DE2142870C3 (en) |
FR (1) | FR2170364A5 (en) |
IT (1) | IT969555B (en) |
LU (1) | LU65846A1 (en) |
NL (1) | NL7211106A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2926966B2 (en) * | 1989-11-28 | 1999-07-28 | 旭硝子株式会社 | High zirconia hot-melt cast refractories |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1278529B (en) * | 1966-02-12 | 1968-09-26 | Tele Master G M B H | Device in telephone and teleprinter systems for sending electrical surges |
US3555201A (en) * | 1968-03-27 | 1971-01-12 | Dasa Corp | Electronic repertory dialer |
-
1971
- 1971-08-27 DE DE2142870A patent/DE2142870C3/en not_active Expired
-
1972
- 1972-08-03 LU LU65846A patent/LU65846A1/en unknown
- 1972-08-04 CH CH1159872A patent/CH548713A/en not_active IP Right Cessation
- 1972-08-04 AT AT677072A patent/AT325681B/en active
- 1972-08-15 NL NL7211106A patent/NL7211106A/en unknown
- 1972-08-18 US US00281959A patent/US3789394A/en not_active Expired - Lifetime
- 1972-08-23 FR FR7230593A patent/FR2170364A5/en not_active Expired
- 1972-08-25 IT IT83394/72A patent/IT969555B/en active
- 1972-08-25 AU AU45993/72A patent/AU4599372A/en not_active Expired
- 1972-08-25 BE BE788023A patent/BE788023A/en unknown
- 1972-08-28 JP JP47086570A patent/JPS4832408A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
DE2142870C3 (en) | 1974-08-08 |
US3789394A (en) | 1974-01-29 |
AT325681B (en) | 1975-11-10 |
JPS4832408A (en) | 1973-04-28 |
ATA677072A (en) | 1975-01-15 |
IT969555B (en) | 1974-04-10 |
CH548713A (en) | 1974-04-30 |
AU4599372A (en) | 1974-02-28 |
BE788023A (en) | 1972-12-18 |
DE2142870A1 (en) | 1973-03-08 |
NL7211106A (en) | 1973-03-01 |
DE2142870B2 (en) | 1974-01-17 |
FR2170364A5 (en) | 1973-09-14 |
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