FI54666B - Kopplingsanordning foer teletekniska speciellt telefoncentraler foer tidsmaessigt begraensad blockering av den automatiska foerstaerkningsregleringen respektive instaellningen av reaktionstroeskeln foer flerfrekvensmottagare - Google Patents
Kopplingsanordning foer teletekniska speciellt telefoncentraler foer tidsmaessigt begraensad blockering av den automatiska foerstaerkningsregleringen respektive instaellningen av reaktionstroeskeln foer flerfrekvensmottagareInfo
- Publication number
- FI54666B FI54666B FI192668A FI192668A FI54666B FI 54666 B FI54666 B FI 54666B FI 192668 A FI192668 A FI 192668A FI 192668 A FI192668 A FI 192668A FI 54666 B FI54666 B FI 54666B
- Authority
- FI
- Finland
- Prior art keywords
- foer
- tidsmaessigt
- teletekniska
- telefoncentraler
- reaktionstroeskeln
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/18—Electrical details
- H04Q1/30—Signalling arrangements; Manipulation of signalling currents
- H04Q1/44—Signalling arrangements; Manipulation of signalling currents using alternate current
- H04Q1/444—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies
- H04Q1/45—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling
- H04Q1/453—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling in which m-out-of-n signalling frequencies are transmitted
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Control Of Amplification And Gain Control (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1967S0110813 DE1282732B (de) | 1967-07-13 | 1967-07-13 | Schaltungsanordnung fuer Fernmelde-, insbesondere Fernsprechanlagen zur Blockierung der Verstaerkungsregelung bzw. der Einstellung der Ansprechschwelle in Mehrfrequenzenempfaengern |
Publications (2)
Publication Number | Publication Date |
---|---|
FI54666B true FI54666B (fi) | 1978-09-29 |
FI54666C FI54666C (fi) | 1979-01-10 |
Family
ID=7530508
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI192668A FI54666C (fi) | 1967-07-13 | 1968-07-04 | Kopplingsanordning foer teletekniska speciellt telefoncentraler foer tidsmaessigt begraensad blockering av den automatiseaktionstroeskeln foer flerfrekvensmottagare ka foerstaerkningsregleringen respektive instaellningen av r |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE1282732B (fi) |
DK (1) | DK135260B (fi) |
FI (1) | FI54666C (fi) |
-
1967
- 1967-07-13 DE DE1967S0110813 patent/DE1282732B/de active Pending
-
1968
- 1968-07-04 FI FI192668A patent/FI54666C/fi active
- 1968-07-12 DK DK342468A patent/DK135260B/da not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE1282732B (de) | 1968-11-14 |
DK135260C (fi) | 1977-08-29 |
FI54666C (fi) | 1979-01-10 |
DK135260B (da) | 1977-03-21 |
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